HoldingsChannel.com
Funds Holding ALXN
HolderAmountPosition Size
($ in 1000's)
 As of
Vanguard Group Inc.16,764,417$1,813,072 12/31/2019
     ALXN16,764,417$1,813,072 12/31/2019
BlackRock Inc.15,913,371$1,721,031 12/31/2019
     ALXN15,913,371$1,721,031 12/31/2019
FMR LLC14,692,382$1,588,981 12/31/2019
     ALXN14,692,382$1,588,981 12/31/2019
Price T Rowe Associates Inc. MD12,105,898$1,309,253 12/31/2019
     ALXN12,105,898$1,309,253 12/31/2019
State Street Corp10,961,134$1,185,447 12/31/2019
     ALXN10,961,134$1,185,447 12/31/2019
Baker BROS. Advisors LP8,258,068$893,110 12/31/2019
     ALXN8,258,068$893,110 12/31/2019
Clearbridge Investments LLC6,362,789$686,163 12/31/2019
     ALXN6,362,789$686,163 12/31/2019
Ameriprise Financial Inc.6,222,078$672,846 12/31/2019
     ALXN6,222,078$672,846 12/31/2019
JPMorgan Chase & Co. $518,876 12/31/2019
     ALXN4,879,339$527,701 12/31/2019
     Put212,800$23,014 12/31/2019
     Call131,200$14,189 12/31/2019
Renaissance Technologies LLC3,731,144$403,523 12/31/2019
     ALXN3,731,144$403,523 12/31/2019
Artisan Partners Limited Partnership3,301,699$357,079 12/31/2019
     ALXN3,301,699$357,079 12/31/2019
Geode Capital Management LLC3,198,744$345,179 12/31/2019
     ALXN3,198,744$345,179 12/31/2019
Swedbank3,192,930$342,729 12/31/2019
     ALXN3,192,930$342,729 12/31/2019
Norges Bank3,140,773$339,675 12/31/2019
     ALXN3,140,773$339,675 12/31/2019
Goldman Sachs Group Inc. $332,390 12/31/2019
     ALXN3,088,305$334,001 12/31/2019
     Put24,900$2,693 12/31/2019
     Call10,000$1,082 12/31/2019
Northern Trust Corp2,792,056$301,961 12/31/2019
     ALXN2,792,056$301,961 12/31/2019
Credit Suisse AG $297,936 12/31/2019
     ALXN2,758,353$298,315 12/31/2019
     Put11,000$1,190 12/31/2019
     Call7,500$811 12/31/2019
AQR Capital Management LLC2,372,805$254,768 12/31/2019
     ALXN2,372,805$254,768 12/31/2019
Investec Asset Management LTD1,945,386$210,393 12/31/2019
     ALXN1,945,386$210,393 12/31/2019
UBS Asset Management Americas Inc.1,899,838$205,467 12/31/2019
     ALXN1,899,838$205,467 12/31/2019
Jennison Associates LLC1,863,030$201,487 12/31/2019
     ALXN1,863,030$201,487 12/31/2019
Iridian Asset Management LLC CT1,720,251$186,045 12/31/2019
     ALXN1,720,251$186,045 12/31/2019
Bank of America Corp DE $182,880 12/31/2019
     ALXN1,707,392$184,654 12/31/2019
     Put36,400$3,937 12/31/2019
     Call20,000$2,163 12/31/2019
Orbimed Advisors LLC1,662,585$179,809 12/31/2019
     ALXN1,662,585$179,809 12/31/2019
Bank of New York Mellon Corp1,656,218$179,120 12/31/2019
     ALXN1,656,218$179,120 12/31/2019
Wells Fargo & Company MN $178,694 12/31/2019
     ALXN1,655,191$179,008 12/31/2019
     Put45,800$314 12/31/2019
Invesco Ltd.1,567,693$169,545 12/31/2019
     ALXN1,567,693$169,545 12/31/2019
Deutsche Bank AG1,556,804$168,361 12/31/2019
     ALXN1,556,804$168,361 12/31/2019
Nuveen Asset Management LLC1,516,149$163,971 12/31/2019
     ALXN1,516,149$163,971 12/31/2019
The Manufacturers Life Insurance Company 1,444,940$156,270 12/31/2019
     ALXN1,444,940$156,270 12/31/2019
Charles Schwab Investment Management Inc.1,402,284$151,658 12/31/2019
     ALXN1,402,284$151,658 12/31/2019
Neuberger Berman Group LLC1,401,631$151,586 12/31/2019
     ALXN1,401,631$151,586 12/31/2019
Bellevue Group AG1,388,928$150,212 12/31/2019
     ALXN1,388,928$150,212 12/31/2019
Bank of Montreal Can1,355,105$146,554 12/31/2019
     ALXN1,355,105$146,554 12/31/2019
UBS Group AG $145,017 12/31/2019
     ALXN1,334,393$144,314 12/31/2019
     Call10,000$1,082 12/31/2019
     Put3,500$379 12/31/2019
Legal & General Group Plc1,331,558$144,007 12/31/2019
     ALXN1,331,558$144,007 12/31/2019
Alliancebernstein L.P.1,240,036$134,110 12/31/2019
     ALXN1,240,036$134,110 12/31/2019
Partner Fund Management L.P.1,076,442$116,417 12/31/2019
     ALXN1,076,442$116,417 12/31/2019
Morgan Stanley987,853$106,836 12/31/2019
     ALXN987,853$106,836 12/31/2019
Sumitomo Mitsui Trust Holdings Inc.902,674$97,624 12/31/2019
     ALXN902,674$97,624 12/31/2019
FIL Ltd884,450$95,653 12/31/2019
     ALXN884,450$95,653 12/31/2019
Palo Alto Investors LP878,100$94,967 12/31/2019
     ALXN878,100$94,967 12/31/2019
Camber Capital Management LP875,000$94,631 12/31/2019
     ALXN875,000$94,631 12/31/2019
First Trust Advisors LP847,845$91,694 12/31/2019
     ALXN847,845$91,694 12/31/2019
Man Group plc837,053$90,527 12/31/2019
     ALXN837,053$90,527 12/31/2019
Dimensional Fund Advisors LP831,721$89,946 12/31/2019
     ALXN831,721$89,946 12/31/2019
Pictet Asset Management Ltd.829,231$89,681 12/31/2019
     ALXN829,231$89,681 12/31/2019
Adage Capital Partners GP L.L.C.809,110$87,505 12/31/2019
     ALXN809,110$87,505 12/31/2019
D. E. Shaw & Co. Inc. $86,369 12/31/2019
     ALXN884,209$95,627 12/31/2019
     Put85,600$9,258 12/31/2019
Amundi Pioneer Asset Management Inc.763,524$82,575 12/31/2019
     ALXN763,524$82,575 12/31/2019
Franklin Resources Inc.758,194$81,998 12/31/2019
     ALXN758,194$81,998 12/31/2019
Swiss National Bank707,031$76,465 12/31/2019
     ALXN707,031$76,465 12/31/2019
AXA691,682$74,805 12/31/2019
     ALXN691,682$74,805 12/31/2019
Calamos Advisors LLC683,955$73,970 12/31/2019
     ALXN683,955$73,970 12/31/2019
LSV Asset Management670,750$72,541 12/31/2019
     ALXN670,750$72,541 12/31/2019
Prudential Financial Inc.666,316$72,062 12/31/2019
     ALXN666,316$72,062 12/31/2019
New York State Common Retirement Fund660,604$71,444 12/31/2019
     ALXN660,604$71,444 12/31/2019
Eaton Vance Management610,811$66,059 12/31/2019
     ALXN610,811$66,059 12/31/2019
Glenmede Trust Co. NA601,053$65,003 12/31/2019
     ALXN601,053$65,003 12/31/2019
Citigroup Inc. $63,583 12/31/2019
     ALXN749,023$81,006 12/31/2019
     Put242,800$26,259 12/31/2019
     Call81,700$8,836 12/31/2019
Factory Mutual Insurance Co.587,700$63,559 12/31/2019
     ALXN587,700$63,559 12/31/2019
Candriam Luxembourg S.C.A.575,794$62,272 12/31/2019
     ALXN575,794$62,272 12/31/2019
Balyasny Asset Management LLC $61,267 12/31/2019
     ALXN316,499$34,229 12/31/2019
     Call250,000$27,038 12/31/2019
Sei Investments Co.561,138$60,724 12/31/2019
     ALXN561,138$60,724 12/31/2019
Nomura Holdings Inc.558,117$60,342 12/31/2019
     ALXN558,117$60,342 12/31/2019
Thrivent Financial for Lutherans544,305$58,866 12/31/2019
     ALXN544,305$58,866 12/31/2019
California Public Employees Retirement System519,973$56,235 12/31/2019
     ALXN519,973$56,235 12/31/2019
Strs Ohio468,577$50,676 12/31/2019
     ALXN468,577$50,676 12/31/2019
Two Sigma Advisers LP466,690$50,473 12/31/2019
     ALXN466,690$50,473 12/31/2019
Worldquant Millennium Advisors LLC461,719$49,935 12/31/2019
     ALXN461,719$49,935 12/31/2019
Rhumbline Advisers448,438$48,499 12/31/2019
     ALXN448,438$48,499 12/31/2019
Barclays PLC $47,173 12/31/2019
     ALXN484,887$52,440 12/31/2019
     Put113,900$12,318 12/31/2019
     Call65,200$7,051 12/31/2019
Polar Capital LLP435,934$47,146 12/31/2019
     ALXN435,934$47,146 12/31/2019
Tekla Capital Management LLC435,814$47,133 12/31/2019
     ALXN435,814$47,133 12/31/2019
TCW Group Inc.411,385$44,492 12/31/2019
     ALXN411,385$44,492 12/31/2019
California State Teachers Retirement System402,386$43,518 12/31/2019
     ALXN402,386$43,518 12/31/2019
Canada Pension Plan Investment Board393,166$42,521 12/31/2019
     ALXN393,166$42,521 12/31/2019
Miller Value Partners LLC388,380$42,003 12/31/2019
     ALXN388,380$42,003 12/31/2019
Two Sigma Investments LP383,831$41,511 12/31/2019
     ALXN383,831$41,511 12/31/2019
National Pension Service359,550$38,885 12/31/2019
     ALXN359,550$38,885 12/31/2019
Baird Financial Group Inc.350,105$37,864 12/31/2019
     ALXN350,105$37,864 12/31/2019
TD Asset Management Inc.339,142$36,678 12/31/2019
     ALXN339,142$36,678 12/31/2019
Point72 Asset Management L.P.338,513$36,610 12/31/2019
     ALXN338,513$36,610 12/31/2019
Schroder Investment Management Group321,885$34,812 12/31/2019
     ALXN321,885$34,812 12/31/2019
Parametric Portfolio Associates LLC315,278$34,097 12/31/2019
     ALXN315,278$34,097 12/31/2019
Principal Financial Group Inc.313,677$33,925 12/31/2019
     ALXN313,677$33,925 12/31/2019
Krensavage Asset Management LLC313,556$33,911 12/31/2019
     ALXN313,556$33,911 12/31/2019
New York State Teachers Retirement System313,511$33,906 12/31/2019
     ALXN313,511$33,906 12/31/2019
Guggenheim Capital LLC313,498$33,905 12/31/2019
     ALXN313,498$33,905 12/31/2019
American Century Companies Inc.311,997$33,742 12/31/2019
     ALXN311,997$33,742 12/31/2019
State Board of Administration of Florida Retirement System286,217$30,954 12/31/2019
     ALXN286,217$30,954 12/31/2019
MERIAN GLOBAL INVESTORS UK Ltd277,248$29,984 12/31/2019
     ALXN277,248$29,984 12/31/2019
State of Michigan Retirement System269,478$29,144 12/31/2019
     ALXN269,478$29,144 12/31/2019
Raymond James & Associates253,986$27,469 12/31/2019
     ALXN253,986$27,469 12/31/2019
Empire Life Investments Inc.251,204$27,168 12/31/2019
     ALXN251,204$27,168 12/31/2019
ProShare Advisors LLC245,654$26,567 12/31/2019
     ALXN245,654$26,567 12/31/2019
EULAV Asset Management242,200$26,194 12/31/2019
     ALXN242,200$26,194 12/31/2019
Connor Clark & Lunn Investment Management Ltd.238,715$25,817 12/31/2019
     ALXN238,715$25,817 12/31/2019
Bank of Nova Scotia234,476$25,358 12/31/2019
     ALXN234,476$25,358 12/31/2019
State of Wisconsin Investment Board232,545$25,150 12/31/2019
     ALXN232,545$25,150 12/31/2019
PointState Capital LP229,410$24,811 12/31/2019
     ALXN229,410$24,811 12/31/2019
Millennium Management LLC $24,047 12/31/2019
     ALXN142,348$15,395 12/31/2019
     Call100,000$10,815 12/31/2019
     Put20,000$2,163 12/31/2019
Gotham Asset Management LLC219,095$23,695 12/31/2019
     ALXN219,095$23,695 12/31/2019
Investec Asset Management North America Inc.211,752$22,901 12/31/2019
     ALXN211,752$22,901 12/31/2019
Korea Investment CORP208,792$22,581 12/31/2019
     ALXN208,792$22,581 12/31/2019
Toronto Dominion Bank207,186$22,404 12/31/2019
     ALXN207,186$22,404 12/31/2019
Clark Capital Management Group Inc.204,620$22,130 12/31/2019
     ALXN204,620$22,130 12/31/2019
Allianz Asset Management GmbH $22,028 12/31/2019
     ALXN227,390$24,592 12/31/2019
     Put31,000$3,353 12/31/2019
     Call7,300$789 12/31/2019
Marshall Wace North America L.P.203,202$21,975 12/31/2019
     ALXN203,202$21,975 12/31/2019
Duality Advisers LP195,515$21,145 12/31/2019
     ALXN195,515$21,145 12/31/2019
Hudson Bay Capital Management LP193,700$20,949 12/31/2019
     ALXN193,700$20,949 12/31/2019
Hsbc Holdings PLC $20,165 12/31/2019
     ALXN200,214$21,517 12/31/2019
     Put12,500$1,352 12/31/2019
Teachers Retirement System of The State of Kentucky185,062$20,014 12/31/2019
     ALXN185,062$20,014 12/31/2019
Chevy Chase Trust Holdings Inc.185,040$20,012 12/31/2019
     ALXN185,040$20,012 12/31/2019
Phoenix Holdings Ltd.174,703$18,764 12/31/2019
     ALXN174,703$18,764 12/31/2019
Mitsubishi UFJ Trust & Banking Corp169,716$18,355 12/31/2019
     ALXN169,716$18,355 12/31/2019
State of Tennessee Treasury Department167,575$18,123 12/31/2019
     ALXN167,575$18,123 12/31/2019
Great West Life Assurance Co. Can168,427$18,071 12/31/2019
     ALXN168,427$18,071 12/31/2019
State of New Jersey Common Pension Fund D164,479$17,788 12/31/2019
     ALXN164,479$17,788 12/31/2019
Macquarie Group Ltd.162,658$17,591 12/31/2019
     ALXN162,658$17,591 12/31/2019
AMP Capital Investors Ltd159,673$17,139 12/31/2019
     ALXN159,673$17,139 12/31/2019
Citadel Advisors LLC $16,645 12/31/2019
     Call320,400$34,651 12/31/2019
     Put236,700$25,599 12/31/2019
     ALXN70,206$7,593 12/31/2019
Peregrine Capital Management LLC152,614$16,505 12/31/2019
     ALXN152,614$16,505 12/31/2019
Envestnet Asset Management Inc.150,958$16,326 12/31/2019
     ALXN150,958$16,326 12/31/2019
Van ECK Associates Corp147,362$15,937 12/31/2019
     ALXN147,362$15,937 12/31/2019
Braun Stacey Associates Inc.144,361$15,613 12/31/2019
     ALXN144,361$15,613 12/31/2019
Rhenman & Partners Asset Management AB141,319$15,284 12/31/2019
     ALXN141,319$15,284 12/31/2019
CIBC Private Wealth Group LLC138,257$14,953 12/31/2019
     ALXN138,257$14,953 12/31/2019
Taurus Asset Management LLC132,668$14,348 12/31/2019
     ALXN132,668$14,348 12/31/2019
Sector Gamma AS126,164$13,645 12/31/2019
     ALXN126,164$13,645 12/31/2019
Ensign Peak Advisors Inc125,667$13,590 12/31/2019
     ALXN125,667$13,590 12/31/2019
Public Employees Retirement System of Ohio125,625$13,586 12/31/2019
     ALXN125,625$13,586 12/31/2019
Skandinaviska Enskilda Banken AB publ 125,492$13,572 12/31/2019
     ALXN125,492$13,572 12/31/2019
Asset Management One Co. Ltd.124,241$13,437 12/31/2019
     ALXN124,241$13,437 12/31/2019
Fred Alger Management LLC123,535$13,360 12/31/2019
     ALXN123,535$13,360 12/31/2019
Victory Capital Management Inc.122,907$13,292 12/31/2019
     ALXN122,907$13,292 12/31/2019
Impax Asset Management Group plc121,122$13,099 12/31/2019
     ALXN121,122$13,099 12/31/2019
Stifel Financial Corp115,684$12,600 12/31/2019
     ALXN115,684$12,600 12/31/2019
Standard Life Aberdeen plc116,454$12,595 12/31/2019
     ALXN116,454$12,595 12/31/2019
Sphera Funds Management LTD.115,713$12,514 12/31/2019
     ALXN115,713$12,514 12/31/2019
Arrowstreet Capital Limited Partnership114,500$12,383 12/31/2019
     ALXN114,500$12,383 12/31/2019
Robeco Institutional Asset Management B.V.114,430$12,375 12/31/2019
     ALXN114,430$12,375 12/31/2019
Woodline Partners LP114,170$12,347 12/31/2019
     ALXN114,170$12,347 12/31/2019
Federated Hermes Inc.111,407$12,049 12/31/2019
     ALXN111,407$12,049 12/31/2019
Public Sector Pension Investment Board109,176$11,807 12/31/2019
     ALXN109,176$11,807 12/31/2019
Marshall Wace LLP108,233$11,705 12/31/2019
     ALXN108,233$11,705 12/31/2019
Virginia Retirement Systems ET AL107,900$11,669 12/31/2019
     ALXN107,900$11,669 12/31/2019
Vigilant Capital Management LLC107,455$11,621 12/31/2019
     ALXN107,455$11,621 12/31/2019
Royal Bank of Canada104,674$11,320 12/31/2019
     ALXN104,674$11,320 12/31/2019
Assenagon Asset Management S.A.102,779$11,116 12/31/2019
     ALXN102,779$11,116 12/31/2019
Squarepoint Ops LLC102,070$11,039 12/31/2019
     ALXN102,070$11,039 12/31/2019
American International Group Inc.98,358$10,637 12/31/2019
     ALXN98,358$10,637 12/31/2019
Thornburg Investment Management Inc.97,386$10,532 12/31/2019
     ALXN97,386$10,532 12/31/2019
Retirement Systems of Alabama97,254$10,518 12/31/2019
     ALXN97,254$10,518 12/31/2019
Treasurer of the State of North Carolina96,971$10,487 12/31/2019
     ALXN96,971$10,487 12/31/2019
Teacher Retirement System of Texas96,607$10,448 12/31/2019
     ALXN96,607$10,448 12/31/2019
Voya Investment Management LLC92,777$10,034 12/31/2019
     ALXN92,777$10,034 12/31/2019
CIBC Asset Management Inc87,692$9,484 12/31/2019
     ALXN87,692$9,484 12/31/2019
Pura Vida Investments LLC87,190$9,430 12/31/2019
     ALXN87,190$9,430 12/31/2019
Royal London Asset Management Ltd.86,323$9,268 12/31/2019
     ALXN86,323$9,268 12/31/2019
PDT Partners LLC84,131$9,099 12/31/2019
     ALXN84,131$9,099 12/31/2019
Broadfin Capital LLC83,100$8,987 12/31/2019
     ALXN83,100$8,987 12/31/2019
BNP Paribas Arbitrage SA $8,814 12/31/2019
     ALXN246,598$26,670 12/31/2019
     Put1,651$17,856 12/31/2019
Russell Investments Group Ltd.79,694$8,584 12/31/2019
     ALXN79,694$8,584 12/31/2019
Janus Henderson Group PLC76,303$8,251 12/31/2019
     ALXN76,303$8,251 12/31/2019
Sofinnova Investments Inc. $8,112 12/31/2019
     Call75,000$8,112 12/31/2019
Sunbelt Securities Inc.300$8,111 12/31/2019
     ALXN300$8,111 12/31/2019
Profund Advisors LLC74,023$8,006 12/31/2019
     ALXN74,023$8,006 12/31/2019
Partners Capital Investment Group LLP73,436$7,942 12/31/2019
     ALXN73,436$7,942 12/31/2019
DSC Advisors L.P.68,500$7,408 12/31/2019
     ALXN68,500$7,408 12/31/2019
Armistice Capital LLC68,000$7,354 12/31/2019
     ALXN68,000$7,354 12/31/2019
Tudor Investment Corp ET AL66,970$7,243 12/31/2019
     ALXN66,970$7,243 12/31/2019
Pendal Group Ltd65,747$7,111 12/31/2019
     ALXN65,747$7,111 12/31/2019
Altrinsic Global Advisors LLC65,000$7,030 12/31/2019
     ALXN65,000$7,030 12/31/2019
Fjarde AP Fonden Fourth Swedish National Pension Fund65,005$7,030 12/31/2019
     ALXN65,005$7,030 12/31/2019
Aperio Group LLC64,187$6,942 12/31/2019
     ALXN64,187$6,942 12/31/2019
BNP PARIBAS ASSET MANAGEMENT Holding S.A.63,879$6,908 12/31/2019
     ALXN63,879$6,908 12/31/2019
Rafferty Asset Management LLC63,538$6,872 12/31/2019
     ALXN63,538$6,872 12/31/2019
Cinctive Capital Management LP63,300$6,846 12/31/2019
     ALXN63,300$6,846 12/31/2019
Harvey Capital Management Inc.61,516$6,652 12/31/2019
     ALXN61,516$6,652 12/31/2019
Origin Asset Management LLP60,700$6,565 12/31/2019
     ALXN60,700$6,565 12/31/2019
Channing Capital Management LLC59,823$6,470 12/31/2019
     ALXN59,823$6,470 12/31/2019
KBC Group NV59,750$6,462 12/31/2019
     ALXN59,750$6,462 12/31/2019
Nan Fung Trinity HK Ltd.59,372$6,421 12/31/2019
     ALXN59,372$6,421 12/31/2019
MetLife Investment Management LLC58,786$6,358 12/31/2019
     ALXN58,786$6,358 12/31/2019
BI Asset Management Fondsmaeglerselskab A S56,673$6,129 12/31/2019
     ALXN56,673$6,129 12/31/2019
Alpine Global Management LLC56,238$6,082 12/31/2019
     ALXN56,238$6,082 12/31/2019
Mackay Shields LLC55,798$6,035 12/31/2019
     ALXN55,798$6,035 12/31/2019
Smith Asset Management Group LP55,660$6,020 12/31/2019
     ALXN55,660$6,020 12/31/2019
Nordea Investment Management AB55,955$6,008 12/31/2019
     ALXN55,955$6,008 12/31/2019
Gulf International Bank UK Ltd54,852$5,932 12/31/2019
     ALXN54,852$5,932 12/31/2019
Nomura Asset Management Co. Ltd.54,590$5,904 12/31/2019
     ALXN54,590$5,904 12/31/2019
Tokio Marine Asset Management Co. Ltd.54,144$5,856 12/31/2019
     ALXN54,144$5,856 12/31/2019
Cibc World Markets Corp53,734$5,811 12/31/2019
     ALXN53,734$5,811 12/31/2019
BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp52,837$5,714 12/31/2019
     ALXN52,837$5,714 12/31/2019
Zurcher Kantonalbank Zurich Cantonalbank 52,678$5,697 12/31/2019
     ALXN52,678$5,697 12/31/2019
Natixis52,148$5,598 12/31/2019
     ALXN52,148$5,598 12/31/2019
Aviva PLC51,544$5,574 12/31/2019
     ALXN51,544$5,574 12/31/2019
Arizona State Retirement System51,449$5,564 12/31/2019
     ALXN51,449$5,564 12/31/2019
Gabelli Funds LLC51,000$5,516 12/31/2019
     ALXN51,000$5,516 12/31/2019
United Services Automobile Association49,314$5,411 12/31/2019
     ALXN49,314$5,411 12/31/2019
Xact Kapitalforvaltning AB49,324$5,334 12/31/2019
     ALXN49,324$5,334 12/31/2019
Leuthold Group LLC49,281$5,330 12/31/2019
     ALXN49,281$5,330 12/31/2019
Mirae Asset Global Investments Co. Ltd.48,859$5,283 12/31/2019
     ALXN48,859$5,283 12/31/2019
State of Alaska Department of Revenue48,791$5,275 12/31/2019
     ALXN48,791$5,275 12/31/2019
Comerica Bank52,566$5,273 12/31/2019
     ALXN52,566$5,273 12/31/2019
Oak Ridge Investments LLC47,585$5,146 12/31/2019
     ALXN47,585$5,146 12/31/2019
Qube Research & Technologies Ltd47,358$5,122 12/31/2019
     ALXN47,358$5,122 12/31/2019
LPL Financial LLC46,229$4,997 12/31/2019
     ALXN46,229$4,997 12/31/2019
MUFG Securities EMEA plc46,000$4,975 12/31/2019
     ALXN46,000$4,975 12/31/2019
Andra AP fonden45,700$4,942 12/31/2019
     ALXN45,700$4,942 12/31/2019
DekaBank Deutsche Girozentrale45,352$4,896 12/31/2019
     ALXN45,352$4,896 12/31/2019
Congress Asset Management Co. MA44,503$4,813 12/31/2019
     ALXN44,503$4,813 12/31/2019
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.44,603$4,746 12/31/2019
     ALXN44,603$4,746 12/31/2019
Capital Fund Management S.A.42,465$4,593 12/31/2019
     ALXN42,465$4,593 12/31/2019
Public Employees Retirement Association of Colorado41,778$4,518 12/31/2019
     ALXN41,778$4,518 12/31/2019
APG Asset Management N.V.46,492$4,479 12/31/2019
     ALXN46,492$4,479 12/31/2019
Metropolitan Life Insurance Co NY40,793$4,412 12/31/2019
     ALXN40,793$4,412 12/31/2019
Tredje AP fonden40,633$4,394 12/31/2019
     ALXN40,633$4,394 12/31/2019
Utah Retirement Systems40,599$4,391 12/31/2019
     ALXN40,599$4,391 12/31/2019
Texas Permanent School Fund39,157$4,235 12/31/2019
     ALXN39,157$4,235 12/31/2019
Sio Capital Management LLC37,781$4,086 12/31/2019
     ALXN37,781$4,086 12/31/2019
Los Angeles Capital Management & Equity Research Inc.37,506$4,056 12/31/2019
     ALXN37,506$4,056 12/31/2019
Westpac Banking Corp37,366$4,041 12/31/2019
     ALXN37,366$4,041 12/31/2019
Icon Advisers Inc. Co.36,833$3,983 12/31/2019
     ALXN36,833$3,983 12/31/2019
Level Four Advisory Services LLC7,580$3,927 12/31/2019
     ALXN7,580$3,927 12/31/2019
DNB Asset Management AS36,159$3,911 12/31/2019
     ALXN36,159$3,911 12/31/2019
Amalgamated Bank35,531$3,843 12/31/2019
     ALXN35,531$3,843 12/31/2019
Two Sigma Securities LLC $3,817 12/31/2019
     Call63,000$6,813 12/31/2019
     Put27,700$2,996 12/31/2019
US Bancorp DE34,816$3,766 12/31/2019
     ALXN34,816$3,766 12/31/2019
Chicago Equity Partners LLC34,805$3,764 12/31/2019
     ALXN34,805$3,764 12/31/2019
Cubist Systematic Strategies LLC34,642$3,747 12/31/2019
     ALXN34,642$3,747 12/31/2019
Stralem & Co. Inc.34,435$3,724 12/31/2019
     ALXN34,435$3,724 12/31/2019
Janney Montgomery Scott LLC33,584$3,632 12/31/2019
     ALXN33,584$3,632 12/31/2019
GAM Holding AG32,309$3,494 12/31/2019
     ALXN32,309$3,494 12/31/2019
Stephens Investment Management Group LLC31,666$3,425 12/31/2019
     ALXN31,666$3,425 12/31/2019
Mason Street Advisors LLC31,573$3,415 12/31/2019
     ALXN31,573$3,415 12/31/2019
Natixis Advisors L.P.31,537$3,411 12/31/2019
     ALXN31,537$3,411 12/31/2019
Soleus Capital Management L.P.31,300$3,385 12/31/2019
     ALXN31,300$3,385 12/31/2019
Cornercap Investment Counsel Inc.31,209$3,375 12/31/2019
     ALXN31,209$3,375 12/31/2019
Jane Street Group LLC $3,338 12/31/2019
     Put69,900$7,560 12/31/2019
     Call68,700$7,430 12/31/2019
     ALXN32,070$3,468 12/31/2019
Moody National Bank Trust Division30,615$3,311 12/31/2019
     ALXN30,615$3,311 12/31/2019
Mutual of America Capital Management LLC30,053$3,250 12/31/2019
     ALXN30,053$3,250 12/31/2019
Taconic Capital Advisors LP30,000$3,245 12/31/2019
     ALXN30,000$3,245 12/31/2019
Norinchukin Bank The29,970$3,241 12/31/2019
     ALXN29,970$3,241 12/31/2019
Oxford Asset Management LLP29,657$3,207 12/31/2019
     ALXN29,657$3,207 12/31/2019
AlphaMark Advisors LLC29,481$3,188 12/31/2019
     ALXN29,481$3,188 12/31/2019
NN Investment Partners Holdings N.V.29,490$3,188 12/31/2019
     ALXN29,490$3,188 12/31/2019
Nisa Investment Advisors LLC29,451$3,185 12/31/2019
     ALXN29,451$3,185 12/31/2019
American National Insurance Co.29,050$3,142 12/31/2019
     ALXN29,050$3,142 12/31/2019
Calamos Wealth Management LLC28,832$3,118 12/31/2019
     ALXN28,832$3,118 12/31/2019
Meeder Asset Management Inc.28,219$3,052 12/31/2019
     ALXN28,219$3,052 12/31/2019
Pinebridge Investments L.P.27,868$3,014 12/31/2019
     ALXN27,868$3,014 12/31/2019
Caisse DE Depot ET Placement DU Quebec27,824$3,009 12/31/2019
     ALXN27,824$3,009 12/31/2019
Nissay Asset Management Corp Japan ADV27,631$2,988 12/31/2019
     ALXN27,631$2,988 12/31/2019
Bowling Portfolio Management LLC26,929$2,912 12/31/2019
     ALXN26,929$2,912 12/31/2019
Bender Robert & Associates26,691$2,887 12/31/2019
     ALXN26,691$2,887 12/31/2019
AGF Investments Inc.26,541$2,870 12/31/2019
     ALXN26,541$2,870 12/31/2019
First Light Asset Management LLC26,284$2,843 12/31/2019
     ALXN26,284$2,843 12/31/2019
Beck Bode LLC26,226$2,836 12/31/2019
     ALXN26,226$2,836 12/31/2019
Paloma Partners Management Co25,947$2,807 12/31/2019
     ALXN25,947$2,807 12/31/2019
Assetmark Inc.25,940$2,805 12/31/2019
     ALXN25,940$2,805 12/31/2019
IFM Investors Pty Ltd25,547$2,763 12/31/2019
     ALXN25,547$2,763 12/31/2019
Sectoral Asset Management Inc25,399$2,747 12/31/2019
     ALXN25,399$2,747 12/31/2019
AIMZ Investment Advisors LLC25,205$2,726 12/31/2019
     ALXN25,205$2,726 12/31/2019
Flaharty Asset Management LLC25,113$2,716 12/31/2019
     ALXN25,113$2,716 12/31/2019
Bogle Investment Management L P DE25,000$2,704 12/31/2019
     ALXN25,000$2,704 12/31/2019
Dupont Capital Management Corp24,983$2,702 12/31/2019
     ALXN24,983$2,702 12/31/2019
Twin Capital Management Inc.24,826$2,685 12/31/2019
     ALXN24,826$2,685 12/31/2019
Granite Investment Partners LLC24,604$2,661 12/31/2019
     ALXN24,604$2,661 12/31/2019
Raymond James Financial Services Advisors Inc.24,199$2,617 12/31/2019
     ALXN24,199$2,617 12/31/2019
Bank of The West23,798$2,574 12/31/2019
     ALXN23,798$2,574 12/31/2019
RBA Wealth Management LLC23,668$2,560 12/31/2019
     ALXN23,668$2,560 12/31/2019
PNC Financial Services Group Inc.23,438$2,535 12/31/2019
     ALXN23,438$2,535 12/31/2019
Nippon Life Global Investors Americas Inc.23,300$2,520 12/31/2019
     ALXN23,300$2,520 12/31/2019
Hartford Investment Management Co.23,118$2,500 12/31/2019
     ALXN23,118$2,500 12/31/2019
SG Americas Securities LLC $2,488 12/31/2019
     ALXN23,641$2,557 12/31/2019
     Put15,000$69 12/31/2019
Banco Bilbao Vizcaya Argentaria S.A.22,361$2,418 12/31/2019
     ALXN22,361$2,418 12/31/2019
Securian Asset Management Inc22,245$2,406 12/31/2019
     ALXN22,245$2,406 12/31/2019
RNC Capital Management LLC22,142$2,395 12/31/2019
     ALXN22,142$2,395 12/31/2019
Panagora Asset Management Inc.22,081$2,388 12/31/2019
     ALXN22,081$2,388 12/31/2019
BP PLC22,000$2,378 12/31/2019
     ALXN22,000$2,378 12/31/2019
Cozad Asset Management Inc.21,545$2,330 12/31/2019
     ALXN21,545$2,330 12/31/2019
Redpoint Investment Management Pty Ltd21,402$2,315 12/31/2019
     ALXN21,402$2,315 12/31/2019
Oregon Public Employees Retirement Fund21,351$2,309 12/31/2019
     ALXN21,351$2,309 12/31/2019
Pinz Capital Management LP21,300$2,303 12/31/2019
     ALXN21,300$2,303 12/31/2019
Truist Financial Corp21,256$2,299 12/31/2019
     ALXN21,256$2,299 12/31/2019
Silvant Capital Management LLC21,034$2,274 12/31/2019
     ALXN21,034$2,274 12/31/2019
DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main21,114$2,271 12/31/2019
     ALXN21,114$2,271 12/31/2019
Commerzbank Aktiengesellschaft FI20,447$2,211 12/31/2019
     ALXN20,447$2,211 12/31/2019
Dai Ichi Life Insurance Company Ltd19,830$2,145 12/31/2019
     ALXN19,830$2,145 12/31/2019
Wellington Management Group LLP19,547$2,114 12/31/2019
     ALXN19,547$2,114 12/31/2019
Pinnacle Associates Ltd.19,435$2,102 12/31/2019
     ALXN19,435$2,102 12/31/2019
Banque Pictet & Cie SA19,440$2,102 12/31/2019
     ALXN19,440$2,102 12/31/2019
Bremer Bank National Association19,300$2,087 12/31/2019
     ALXN19,300$2,087 12/31/2019
Lazard Asset Management LLC18,919$2,045 12/31/2019
     ALXN18,919$2,045 12/31/2019
M&G Investment Management Ltd.18,798$2,030 12/31/2019
     ALXN18,798$2,030 12/31/2019
Shelton Capital Management18,690$2,021 12/31/2019
     ALXN18,690$2,021 12/31/2019
Shell Asset Management Co.18,558$2,007 12/31/2019
     ALXN18,558$2,007 12/31/2019
South Dakota Investment Council18,470$1,998 12/31/2019
     ALXN18,470$1,998 12/31/2019
Gideon Capital Advisors Inc.17,734$1,918 12/31/2019
     ALXN17,734$1,918 12/31/2019
Pacer Advisors Inc.17,432$1,885 12/31/2019
     ALXN17,432$1,885 12/31/2019
New Mexico Educational Retirement Board17,300$1,871 12/31/2019
     ALXN17,300$1,871 12/31/2019
Barings LLC16,710$1,794 12/31/2019
     ALXN16,710$1,794 12/31/2019
MML Investors Services LLC16,538$1,789 12/31/2019
     ALXN16,538$1,789 12/31/2019
Piedmont Investment Advisors Inc.16,236$1,756 12/31/2019
     ALXN16,236$1,756 12/31/2019
Advisors Asset Management Inc.15,976$1,728 12/31/2019
     ALXN15,976$1,728 12/31/2019
Crossmark Global Holdings Inc.15,866$1,716 12/31/2019
     ALXN15,866$1,716 12/31/2019
CENTRAL TRUST Co15,517$1,678 12/31/2019
     ALXN15,517$1,678 12/31/2019
Altman Advisors Inc.15,461$1,672 12/31/2019
     ALXN15,461$1,672 12/31/2019
M&T Bank Corp15,412$1,665 12/31/2019
     ALXN15,412$1,665 12/31/2019
Tealwood Asset Management Inc.15,289$1,654 12/31/2019
     ALXN15,289$1,654 12/31/2019
ING Groep NV15,179$1,642 12/31/2019
     ALXN15,179$1,642 12/31/2019
Seven Eight Capital LP15,007$1,623 12/31/2019
     ALXN15,007$1,623 12/31/2019
World Asset Management Inc14,992$1,621 12/31/2019
     ALXN14,992$1,621 12/31/2019
Group One Trading L.P. $1,610 12/31/2019
     Put77,600$8,392 12/31/2019
     Call64,700$6,997 12/31/2019
     ALXN27,784$3,005 12/31/2019
Amia Capital LLP14,846$1,606 12/31/2019
     ALXN14,846$1,606 12/31/2019
Engineers Gate Manager LP14,732$1,593 12/31/2019
     ALXN14,732$1,593 12/31/2019
Private Trust Co. NA14,569$1,575 12/31/2019
     ALXN14,569$1,575 12/31/2019
Commonwealth of Pennsylvania Public School Empls Retrmt SYS14,250$1,541 12/31/2019
     ALXN14,250$1,541 12/31/2019
Wolverine Trading LLC $1,538 12/31/2019
     Put54,400$5,839 12/31/2019
     Call50,700$5,442 12/31/2019
     ALXN18,031$1,935 12/31/2019
A.R.T. Advisors LLC14,119$1,527 12/31/2019
     ALXN14,119$1,527 12/31/2019
Pillar Pacific Capital Management LLC13,960$1,509 12/31/2019
     ALXN13,960$1,509 12/31/2019
Advisor Group Inc.13,857$1,497 12/31/2019
     ALXN13,857$1,497 12/31/2019
Sumitomo Mitsui DS Asset Management Company Ltd13,816$1,494 12/31/2019
     ALXN13,816$1,494 12/31/2019
Wealth Enhancement Advisory Services LLC13,742$1,486 12/31/2019
     ALXN13,742$1,486 12/31/2019
Bank of Hawaii13,575$1,468 12/31/2019
     ALXN13,575$1,468 12/31/2019
Weld Capital Management LLC13,455$1,455 12/31/2019
     ALXN13,455$1,455 12/31/2019
Fortem Financial Group LLC13,419$1,451 12/31/2019
     ALXN13,419$1,451 12/31/2019
Eqis Capital Management Inc.13,234$1,431 12/31/2019
     ALXN13,234$1,431 12/31/2019
Richard Bernstein Advisors LLC13,199$1,427 12/31/2019
     ALXN13,199$1,427 12/31/2019
Fisher Asset Management LLC13,135$1,421 12/31/2019
     ALXN13,135$1,421 12/31/2019
Hills Bank & Trust Co.13,017$1,408 12/31/2019
     ALXN13,017$1,408 12/31/2019
Creative Planning $1,380 12/31/2019
     ALXN12,687$1,372 12/31/2019
     Call900$8 12/31/2019
Callodine Capital Management LP12,500$1,352 12/31/2019
     ALXN12,500$1,352 12/31/2019
Comerica Securities Inc.12,266$1,327 12/31/2019
     ALXN12,266$1,327 12/31/2019
Alberta Investment Management Corp12,100$1,309 12/31/2019
     ALXN12,100$1,309 12/31/2019
Tibra Equities Europe Ltd12,100$1,308 12/31/2019
     ALXN12,100$1,308 12/31/2019
NJ State Employees Deferred Compensation Plan12,000$1,298 12/31/2019
     ALXN12,000$1,298 12/31/2019
Penserra Capital Management LLC11,977$1,294 12/31/2019
     ALXN11,977$1,294 12/31/2019
Healthcare of Ontario Pension Plan Trust Fund11,880$1,285 12/31/2019
     ALXN11,880$1,285 12/31/2019
Stephens Inc. AR11,744$1,270 12/31/2019
     ALXN11,744$1,270 12/31/2019
Rockefeller Capital Management L.P.11,665$1,262 12/31/2019
     ALXN11,665$1,262 12/31/2019
Cerity Partners LLC11,491$1,243 12/31/2019
     ALXN11,491$1,243 12/31/2019
Daiwa Securities Group Inc.11,149$1,206 12/31/2019
     ALXN11,149$1,206 12/31/2019
Investment Management of Virginia LLC11,087$1,199 12/31/2019
     ALXN11,087$1,199 12/31/2019
Tandem Capital Management Corp ADV10,983$1,188 12/31/2019
     ALXN10,983$1,188 12/31/2019
361 Capital LLC10,945$1,184 12/31/2019
     ALXN10,945$1,184 12/31/2019
Fulton Bank N.A.13,064$1,173 03/31/2020
     ALXN13,064$1,173 03/31/2020
Gradient Investments LLC10,828$1,171 12/31/2019
     ALXN10,828$1,171 12/31/2019
First Quadrant L P CA10,717$1,159 12/31/2019
     ALXN10,717$1,159 12/31/2019
Hussman Strategic Advisors Inc.10,500$1,136 12/31/2019
     ALXN10,500$1,136 12/31/2019
Louisiana State Employees Retirement System10,500$1,136 12/31/2019
     ALXN10,500$1,136 12/31/2019
Vision Capital Management Inc.10,458$1,131 12/31/2019
     ALXN10,458$1,131 12/31/2019
Quantitative Investment Management LLC10,320$1,116 12/31/2019
     ALXN10,320$1,116 12/31/2019
Cim Investment Mangement Inc.10,287$1,113 12/31/2019
     ALXN10,287$1,113 12/31/2019
GSA Capital Partners LLP10,212$1,104 12/31/2019
     ALXN10,212$1,104 12/31/2019
CWM Advisors LLC10,098$1,092 12/31/2019
     ALXN10,098$1,092 12/31/2019
Kepos Capital LP10,049$1,087 12/31/2019
     ALXN10,049$1,087 12/31/2019
Schonfeld Strategic Advisors LLC10,007$1,082 12/31/2019
     ALXN10,007$1,082 12/31/2019
Green Square Asset Management LLC9,822$1,062 12/31/2019
     ALXN9,822$1,062 12/31/2019
L & S Advisors Inc9,476$1,025 12/31/2019
     ALXN9,476$1,025 12/31/2019
Leavell Investment Management Inc.9,412$1,018 12/31/2019
     ALXN9,412$1,018 12/31/2019
Aristotle Atlantic Partners LLC9,414$1,018 12/31/2019
     ALXN9,414$1,018 12/31/2019
Investec Asset Management PTY Ltd10,180$995 12/31/2019
     ALXN10,180$995 12/31/2019
Verition Fund Management LLC9,131$988 12/31/2019
     ALXN9,131$988 12/31/2019
IMC Chicago LLC $984 12/31/2019
     Call20,700$2,239 12/31/2019
     Put11,600$1,255 12/31/2019
Morris Capital Advisors LLC9,040$978 12/31/2019
     ALXN9,040$978 12/31/2019
University of Notre Dame DU Lac9,025$976 12/31/2019
     ALXN9,025$976 12/31/2019
Cambridge Investment Research Advisors Inc.9,028$976 12/31/2019
     ALXN9,028$976 12/31/2019
Freestone Capital Holdings LLC9,028$976 12/31/2019
     ALXN9,028$976 12/31/2019
Gamco Investors INC. ET AL9,000$973 12/31/2019
     ALXN9,000$973 12/31/2019
Great Lakes Advisors LLC8,954$968 12/31/2019
     ALXN8,954$968 12/31/2019
Patton Albertson Miller Group LLC8,743$946 12/31/2019
     ALXN8,743$946 12/31/2019
QS Investors LLC8,735$942 12/31/2019
     ALXN8,735$942 12/31/2019
Northwestern Mutual Investment Management Company LLC8,596$930 12/31/2019
     ALXN8,596$930 12/31/2019
Partner Investment Management L.P.8,421$911 12/31/2019
     ALXN8,421$911 12/31/2019
Ameritas Investment Partners Inc.8,218$889 12/31/2019
     ALXN8,218$889 12/31/2019
Oppenheimer & Co. Inc.8,166$883 12/31/2019
     ALXN8,166$883 12/31/2019
Advisory Services Network LLC8,120$878 12/31/2019
     ALXN8,120$878 12/31/2019
Sequent Asset Management LLC8,000$865 12/31/2019
     ALXN8,000$865 12/31/2019
NumerixS Investment Technologies Inc7,846$849 12/31/2019
     ALXN7,846$849 12/31/2019
First Allied Advisory Services Inc.7,807$845 12/31/2019
     ALXN7,807$845 12/31/2019
JGP Global Gestao de Recursos Ltda.7,549$816 12/31/2019
     ALXN7,549$816 12/31/2019
Kovitz Investment Group Partners LLC7,485$810 12/31/2019
     ALXN7,485$810 12/31/2019
Arden Trust Co7,353$795 12/31/2019
     ALXN7,353$795 12/31/2019
Citizens & Northern Corp7,298$789 12/31/2019
     ALXN7,298$789 12/31/2019
Brinker Capital Inc.7,240$783 12/31/2019
     ALXN7,240$783 12/31/2019
Everence Capital Management Inc.7,221$781 12/31/2019
     ALXN7,221$781 12/31/2019
Intact Investment Management Inc.7,200$778 12/31/2019
     ALXN7,200$778 12/31/2019
High Pointe Capital Management LLC7,050$762 12/31/2019
     ALXN7,050$762 12/31/2019
Fosun International Ltd7,000$757 12/31/2019
     ALXN7,000$757 12/31/2019
LS Investment Advisors LLC6,981$755 12/31/2019
     ALXN6,981$755 12/31/2019
Municipal Employees Retirement System of Michigan6,950$752 12/31/2019
     ALXN6,950$752 12/31/2019
Israel Discount Bank of New York6,917$748 12/31/2019
     ALXN6,917$748 12/31/2019
Commonwealth Equity Services LLC6,894$745 12/31/2019
     ALXN6,894$745 12/31/2019
Banco Santander S.A.6,598$714 12/31/2019
     ALXN6,598$714 12/31/2019
DE Burlo Group Inc.6,550$708 12/31/2019
     ALXN6,550$708 12/31/2019
Ladenburg Thalmann Financial Services Inc.6,756$706 12/31/2019
     ALXN6,756$706 12/31/2019
Centiva Capital LP6,472$700 12/31/2019
     ALXN6,472$700 12/31/2019
Oppenheimer Asset Management Inc.6,415$694 12/31/2019
     ALXN6,415$694 12/31/2019
Amica Mutual Insurance Co.6,223$673 12/31/2019
     ALXN6,223$673 12/31/2019
Virtus ETF Advisers LLC6,101$660 12/31/2019
     ALXN6,101$660 12/31/2019
Achmea Investment Management B.V.6,036$653 12/31/2019
     ALXN6,036$653 12/31/2019
Blueshift Asset Management LLC6,006$650 12/31/2019
     ALXN6,006$650 12/31/2019
Grandfield & Dodd LLC5,850$633 12/31/2019
     ALXN5,850$633 12/31/2019
Campbell & CO Investment Adviser LLC5,850$633 12/31/2019
     ALXN5,850$633 12/31/2019
First Republic Investment Management Inc.5,730$620 12/31/2019
     ALXN5,730$620 12/31/2019
MidWestOne Financial Group Inc.5,732$619 12/31/2019
     ALXN5,732$619 12/31/2019
Meiji Yasuda Asset Management Co Ltd.5,693$616 12/31/2019
     ALXN5,693$616 12/31/2019
ETRADE Capital Management LLC5,689$615 12/31/2019
     ALXN5,689$615 12/31/2019
Atria Investments LLC5,684$615 12/31/2019
     ALXN5,684$615 12/31/2019
Cigna Investments Inc. New5,826$578 12/31/2019
     ALXN5,826$578 12/31/2019
Landscape Capital Management L.L.C.5,345$578 12/31/2019
     ALXN5,345$578 12/31/2019
Windsor Creek Advisors LLC5,345$578 12/31/2019
     ALXN5,345$578 12/31/2019
Weiss Multi Strategy Advisers LLC5,288$572 12/31/2019
     ALXN5,288$572 12/31/2019
BDO Wealth Advisors LLC5,167$559 12/31/2019
     ALXN5,167$559 12/31/2019
Webster Bank N. A.5,120$554 12/31/2019
     ALXN5,120$554 12/31/2019
Supplemental Annuity Collective Trust of NJ5,000$541 12/31/2019
     ALXN5,000$541 12/31/2019
SG3 Management LLC $541 12/31/2019
     Call5,000$541 12/31/2019
Lido Advisors LLC4,768$516 12/31/2019
     ALXN4,768$516 12/31/2019
Covenant Asset Management LLC4,710$509 12/31/2019
     ALXN4,710$509 12/31/2019
Quantamental Technologies LLC4,683$506 12/31/2019
     ALXN4,683$506 12/31/2019
Pearl River Capital LLC4,683$506 12/31/2019
     ALXN4,683$506 12/31/2019
Veritable L.P.4,637$501 12/31/2019
     ALXN4,637$501 12/31/2019
United Asset Strategies Inc.4,585$496 12/31/2019
     ALXN4,585$496 12/31/2019
Oakbrook Investments LLC4,450$481 12/31/2019
     ALXN4,450$481 12/31/2019
BKD Wealth Advisors LLC4,436$480 12/31/2019
     ALXN4,436$480 12/31/2019
Banque Cantonale Vaudoise4,405$476 12/31/2019
     ALXN4,405$476 12/31/2019
Hillsdale Investment Management Inc.4,370$473 12/31/2019
     ALXN4,370$473 12/31/2019
Montecito Bank & Trust4,337$469 12/31/2019
     ALXN4,337$469 12/31/2019
Teza Capital Management LLC4,279$463 12/31/2019
     ALXN4,279$463 12/31/2019
MAI Capital Management4,262$461 12/31/2019
     ALXN4,262$461 12/31/2019
PICTET BANK & TRUST Ltd4,050$438 12/31/2019
     ALXN4,050$438 12/31/2019
NuWave Investment Management LLC3,956$428 12/31/2019
     ALXN3,956$428 12/31/2019
Mackenzie Financial Corp3,865$418 12/31/2019
     ALXN3,865$418 12/31/2019
Asahi Life Asset Management CO. LTD.3,860$417 12/31/2019
     ALXN3,860$417 12/31/2019
First Hawaiian Bank3,846$416 12/31/2019
     ALXN3,846$416 12/31/2019
Vestcor Investment Management Corp3,838$415 12/31/2019
     ALXN3,838$415 12/31/2019
Verity Asset Management Inc.3,756$406 12/31/2019
     ALXN3,756$406 12/31/2019
Jacobi Capital Management LLC3,757$406 12/31/2019
     ALXN3,757$406 12/31/2019
Copperwynd Financial LLC3,741$405 12/31/2019
     ALXN3,741$405 12/31/2019
Machina Capital S.A.S.3,655$395 12/31/2019
     ALXN3,655$395 12/31/2019
American National Registered Investment Advisor Inc.3,640$394 12/31/2019
     ALXN3,640$394 12/31/2019
Meag Munich Ergo Kapitalanlagegesellschaft MBH3,616$388 12/31/2019
     ALXN3,616$388 12/31/2019
Parallel Advisors LLC3,543$383 12/31/2019
     ALXN3,543$383 12/31/2019
Commerce Bank3,505$379 12/31/2019
     ALXN3,505$379 12/31/2019
Philadelphia Trust Co.3,500$379 12/31/2019
     ALXN3,500$379 12/31/2019
American Assets Investment Management LLC3,500$379 12/31/2019
     ALXN3,500$379 12/31/2019
Bayesian Capital Management LP3,500$379 12/31/2019
     ALXN3,500$379 12/31/2019
Columbus Macro LLC3,388$366 12/31/2019
     ALXN3,388$366 12/31/2019
Wetherby Asset Management Inc.3,344$362 12/31/2019
     ALXN3,344$362 12/31/2019
Conning Inc.3,331$360 12/31/2019
     ALXN3,331$360 12/31/2019
Exchange Traded Concepts LLC3,321$359 12/31/2019
     ALXN3,321$359 12/31/2019
MBM Wealth Consultants LLC3,278$354 12/31/2019
     ALXN3,278$354 12/31/2019
Seeyond3,258$352 12/31/2019
     ALXN3,258$352 12/31/2019
Dynamic Technology Lab Private Ltd3,159$342 12/31/2019
     ALXN3,159$342 12/31/2019
IBM Retirement Fund3,149$341 12/31/2019
     ALXN3,149$341 12/31/2019
Covenant Partners LLC3,149$341 12/31/2019
     ALXN3,149$341 12/31/2019
Edge Wealth Management LLC3,157$341 12/31/2019
     ALXN3,157$341 12/31/2019
Nicolet Bankshares Inc.3,104$336 12/31/2019
     ALXN3,104$336 12/31/2019
DRW Securities LLC3,108$336 12/31/2019
     ALXN3,108$336 12/31/2019
Sentry Investment Management LLC3,049$330 12/31/2019
     ALXN3,049$330 12/31/2019
First Eagle Investment Management LLC $328 12/31/2019
     Call2,000$328 12/31/2019
Madison Asset Management LLC2,965$321 12/31/2019
     ALXN2,965$321 12/31/2019
Haafor Singapore Pte. Ltd.2,934$317 12/31/2019
     ALXN2,934$317 12/31/2019
Meridian Wealth Management LLC2,928$316 12/31/2019
     ALXN2,928$316 12/31/2019
Benjamin F. Edwards & Company Inc.2,849$308 12/31/2019
     ALXN2,849$308 12/31/2019
Captrust Financial Advisors2,855$308 12/31/2019
     ALXN2,855$308 12/31/2019
National Asset Management Inc.2,820$307 12/31/2019
     ALXN2,820$307 12/31/2019
ClariVest Asset Management LLC2,754$298 12/31/2019
     ALXN2,754$298 12/31/2019
Gateway Investment Advisers LLC2,747$297 12/31/2019
     ALXN2,747$297 12/31/2019
BBVA USA Bancshares Inc.2,736$296 12/31/2019
     ALXN2,736$296 12/31/2019
Blair William & Co. IL2,704$292 12/31/2019
     ALXN2,704$292 12/31/2019
Meiji Yasuda Life Insurance Co2,685$290 12/31/2019
     ALXN2,685$290 12/31/2019
Rathbone Brothers plc2,660$288 12/31/2019
     ALXN2,660$288 12/31/2019
Rampart Investment Management Company LLC2,623$284 12/31/2019
     ALXN2,623$284 12/31/2019
Wedbush Securities Inc.2,593$280 12/31/2019
     ALXN2,593$280 12/31/2019
Independent Advisor Alliance2,591$280 12/31/2019
     ALXN2,591$280 12/31/2019
Prelude Capital Management LLC2,573$278 12/31/2019
     ALXN2,573$278 12/31/2019
Synovus Financial Corp2,484$267 12/31/2019
     ALXN2,484$267 12/31/2019
Cutler Group LP $266 12/31/2019
     ALXN2,600$281 12/31/2019
     Put4,500$27 12/31/2019
     Call4,000$12 12/31/2019
Lombard Odier Asset Management Europe Ltd2,462$266 12/31/2019
     ALXN2,462$266 12/31/2019
Juncture Wealth Strategies LLC2,455$266 12/31/2019
     ALXN2,455$266 12/31/2019
Regions Financial Corp2,434$263 12/31/2019
     ALXN2,434$263 12/31/2019
Private Capital Group LLC2,408$260 12/31/2019
     ALXN2,408$260 12/31/2019
Boltwood Capital Management2,370$256 12/31/2019
     ALXN2,370$256 12/31/2019
Integrated Wealth Concepts LLC2,367$256 12/31/2019
     ALXN2,367$256 12/31/2019
Cleararc Capital Inc.2,361$255 12/31/2019
     ALXN2,361$255 12/31/2019
Fox Run Management L.L.C.2,344$254 12/31/2019
     ALXN2,344$254 12/31/2019
Peddock Capital Advisors LLC2,346$254 12/31/2019
     ALXN2,346$254 12/31/2019
Virtue Capital Management LLC2,329$252 12/31/2019
     ALXN2,329$252 12/31/2019
McKinley Carter Wealth Services Inc.2,300$249 12/31/2019
     ALXN2,300$249 12/31/2019
Resources Management Corp CT ADV2,279$246 12/31/2019
     ALXN2,279$246 12/31/2019
Park Avenue Securities LLC2,274$246 12/31/2019
     ALXN2,274$246 12/31/2019
United Bank2,264$245 12/31/2019
     ALXN2,264$245 12/31/2019
SkyOak Wealt LLC2,238$242 12/31/2019
     ALXN2,238$242 12/31/2019
Oakworth Capital Inc.2,200$239 12/31/2019
     ALXN2,200$239 12/31/2019
Globeflex Capital L P2,200$238 12/31/2019
     ALXN2,200$238 12/31/2019
Northwestern Mutual Wealth Management Co.2,200$237 12/31/2019
     ALXN2,200$237 12/31/2019
Stratos Wealth Partners LTD.2,190$237 12/31/2019
     ALXN2,190$237 12/31/2019
Brown Advisory Inc.2,171$236 12/31/2019
     ALXN2,171$236 12/31/2019
Hancock Whitney Corp2,131$230 12/31/2019
     ALXN2,131$230 12/31/2019
Fort Washington Investment Advisors Inc. OH2,117$229 12/31/2019
     ALXN2,117$229 12/31/2019
Todd Asset Management LLC2,117$229 12/31/2019
     ALXN2,117$229 12/31/2019
Canandaigua National Bank & Trust Co.2,096$227 12/31/2019
     ALXN2,096$227 12/31/2019
Putnam Investments LLC2,077$225 12/31/2019
     ALXN2,077$225 12/31/2019
Roberts Glore & Co. Inc. IL2,075$224 12/31/2019
     ALXN2,075$224 12/31/2019
Raymond James Trust N.A.2,024$219 12/31/2019
     ALXN2,024$219 12/31/2019
Miles Capital Inc.2,020$218 12/31/2019
     ALXN2,020$218 12/31/2019
FDx Advisors Inc.2,007$217 12/31/2019
     ALXN2,007$217 12/31/2019
9258 Wealth Management LLC1,987$215 12/31/2019
     ALXN1,987$215 12/31/2019
Capital Analysts LLC1,974$213 12/31/2019
     ALXN1,974$213 12/31/2019
CNB Bank1,945$210 12/31/2019
     ALXN1,945$210 12/31/2019
Ferris Capital LLC1,931$209 12/31/2019
     ALXN1,931$209 12/31/2019
Zions Bancorporation N.A.1,920$208 12/31/2019
     ALXN1,920$208 12/31/2019
Advisor Partners LLC1,828$206 12/31/2019
     ALXN1,828$206 12/31/2019
Mercer Global Advisors Inc. ADV1,875$203 12/31/2019
     ALXN1,875$203 12/31/2019
Cadence Bank NA1,875$203 12/31/2019
     ALXN1,875$203 12/31/2019
CSat Investment Advisory L.P.1,849$200 12/31/2019
     ALXN1,849$200 12/31/2019
Tower Research Capital LLC TRC 1,784$193 12/31/2019
     ALXN1,784$193 12/31/2019
Livforsakringsbolaget Skandia Omsesidigt1,572$170 12/31/2019
     ALXN1,572$170 12/31/2019
Migdal Insurance & Financial Holdings Ltd.1,531$166 12/31/2019
     ALXN1,531$166 12/31/2019
Quantbot Technologies LP1,417$153 12/31/2019
     ALXN1,417$153 12/31/2019
Sullivan Bruyette Speros & Blaney LLC1,392$151 12/31/2019
     ALXN1,392$151 12/31/2019
Institutional & Family Asset Management LLC1,354$146 12/31/2019
     ALXN1,354$146 12/31/2019
Harbor Investment Advisory LLC1,336$144 12/31/2019
     ALXN1,336$144 12/31/2019
FUKOKU MUTUAL LIFE INSURANCE Co1,300$141 12/31/2019
     ALXN1,300$141 12/31/2019
C M Bidwell & Associates Ltd.1,300$141 12/31/2019
     ALXN1,300$141 12/31/2019
Exane Derivatives1,199$135 12/31/2019
     ALXN1,199$135 12/31/2019
Advisors Preferred LLC1,233$133 12/31/2019
     ALXN1,233$133 12/31/2019
Valeo Financial Advisors LLC1,170$127 12/31/2019
     ALXN1,170$127 12/31/2019
Rational Advisors LLC1,125$122 12/31/2019
     ALXN1,125$122 12/31/2019
Fieldpoint Private Securities LLC1,096$119 12/31/2019
     ALXN1,096$119 12/31/2019
Sofos Investments Inc.721$108 12/31/2019
     ALXN721$108 12/31/2019
Amica Retiree Medical Trust987$107 12/31/2019
     ALXN987$107 12/31/2019
Steward Partners Investment Advisory LLC921$99 12/31/2019
     ALXN921$99 12/31/2019
Huntington National Bank913$98 12/31/2019
     ALXN913$98 12/31/2019
Fifth Third Bancorp868$94 12/31/2019
     ALXN868$94 12/31/2019
Stephenson National Bank & Trust802$87 12/31/2019
     ALXN802$87 12/31/2019
Quadrant Capital Group LLC813$82 12/31/2019
     ALXN813$82 12/31/2019
Itau Unibanco Holding S.A.739$80 12/31/2019
     ALXN739$80 12/31/2019
First Manhattan Co.725$78 12/31/2019
     ALXN725$78 12/31/2019
Prime Capital Investment Advisors LLC707$76 12/31/2019
     ALXN707$76 12/31/2019
Guardian Life Insurance Co. of America653$71 12/31/2019
     ALXN653$71 12/31/2019
Signaturefd LLC635$69 12/31/2019
     ALXN635$69 12/31/2019
FinTrust Capital Advisors LLC638$69 12/31/2019
     ALXN638$69 12/31/2019
Edmond DE Rothschild Holding S.A. $68 12/31/2019
     Call472$68 12/31/2019
Sowell Financial Services LLC614$66 12/31/2019
     ALXN614$66 12/31/2019
Allred Capital Management LLC551$60 12/31/2019
     ALXN551$60 12/31/2019
Flagship Harbor Advisors LLC515$56 12/31/2019
     ALXN515$56 12/31/2019
Ossiam511$55 12/31/2019
     ALXN511$55 12/31/2019
Highlander Capital Management LLC500$54 12/31/2019
     ALXN500$54 12/31/2019
HAP Trading LLC $53 12/31/2019
     Call12,200$53 12/31/2019
CWM LLC491$53 12/31/2019
     ALXN491$53 12/31/2019
Winslow Evans & Crocker Inc.404$46 12/31/2019
     ALXN404$46 12/31/2019
NEXT Financial Group Inc426$46 12/31/2019
     ALXN426$46 12/31/2019
Credit Agricole S A400$43 12/31/2019
     ALXN400$43 12/31/2019
TCI Wealth Advisors Inc.393$43 12/31/2019
     ALXN393$43 12/31/2019
Covington Capital Management380$41 12/31/2019
     ALXN380$41 12/31/2019
Shine Investment Advisory Services Inc.366$40 12/31/2019
     ALXN366$40 12/31/2019
FTB Advisors Inc.370$40 12/31/2019
     ALXN370$40 12/31/2019
Brown Brothers Harriman & Co.328$35 12/31/2019
     ALXN328$35 12/31/2019
Investors Research Corp304$33 12/31/2019
     ALXN304$33 12/31/2019
Arrow Financial Corp300$32 12/31/2019
     ALXN300$32 12/31/2019
IFP Advisors Inc304$32 12/31/2019
     ALXN304$32 12/31/2019
Orion Portfolio Solutions LLC271$29 12/31/2019
     ALXN271$29 12/31/2019
Atlas Capital Advisors LLC255$28 12/31/2019
     ALXN255$28 12/31/2019
Whittier Trust Co.250$27 12/31/2019
     ALXN250$27 12/31/2019
Mitsubishi UFJ Securities Holdings Co. Ltd.250$27 12/31/2019
     ALXN250$27 12/31/2019
XR Securities LLC $27 12/31/2019
     Call10,700$27 12/31/2019
Pathstone Family Office LLC230$25 12/31/2019
     ALXN230$25 12/31/2019
Ameritas Investment Company LLC220$24 12/31/2019
     ALXN220$24 12/31/2019
Savior LLC214$23 12/31/2019
     ALXN214$23 12/31/2019
Citizens Financial Group Inc RI202$22 12/31/2019
     ALXN202$22 12/31/2019
MayTech Global Investments LLC200$22 12/31/2019
     ALXN200$22 12/31/2019
Salem Investment Counselors Inc.190$21 12/31/2019
     ALXN190$21 12/31/2019
Liberty Wealth Management LLC200$21 12/31/2019
     ALXN200$21 12/31/2019
Hudock Capital Group LLC182$19 12/31/2019
     ALXN182$19 12/31/2019
San Francisco Sentry Investment Group CA169$18 12/31/2019
     ALXN169$18 12/31/2019
LifePlan Financial Group Inc150$16 12/31/2019
     ALXN150$16 12/31/2019
Mark Sheptoff Financial Planning LLC150$16 12/31/2019
     ALXN150$16 12/31/2019
Berman Capital Advisors LLC142$15 12/31/2019
     ALXN142$15 12/31/2019
Evoke Wealth LLC142$15 12/31/2019
     ALXN142$15 12/31/2019
RPG Investment Advisory LLC125$14 12/31/2019
     ALXN125$14 12/31/2019
Endurance Wealth Management Inc.124$13 12/31/2019
     ALXN124$13 12/31/2019
Systematic Financial Management LP113$12 12/31/2019
     ALXN113$12 12/31/2019
Sageworth Trust Co115$12 12/31/2019
     ALXN115$12 12/31/2019
Ellevest Inc.110$12 12/31/2019
     ALXN110$12 12/31/2019
Engrave Wealth Partners LLC115$12 12/31/2019
     ALXN115$12 12/31/2019
Optimum Investment Advisors100$11 12/31/2019
     ALXN100$11 12/31/2019
Earnest Partners LLC99$11 12/31/2019
     ALXN99$11 12/31/2019
Farmers & Merchants Investments Inc.106$11 12/31/2019
     ALXN106$11 12/31/2019
Global Retirement Partners LLC101$11 12/31/2019
     ALXN101$11 12/31/2019
Verus Capital Partners LLC100$11 12/31/2019
     ALXN100$11 12/31/2019
Wealth Quarterback LLC88$10 12/31/2019
     ALXN88$10 12/31/2019
Gemmer Asset Management LLC79$9 12/31/2019
     ALXN79$9 12/31/2019
CX Institutional81$9 12/31/2019
     ALXN81$9 12/31/2019
IndexIQ Advisors LLC75$8 12/31/2019
     ALXN75$8 12/31/2019
Lindbrook Capital LLC77$8 12/31/2019
     ALXN77$8 12/31/2019
Parkside Financial Bank & Trust69$7 12/31/2019
     ALXN69$7 12/31/2019
Lenox Wealth Management Inc.68$7 12/31/2019
     ALXN68$7 12/31/2019
Acima Private Wealth LLC68$7 12/31/2019
     ALXN68$7 12/31/2019
Kore Private Wealth LLC63$7 12/31/2019
     ALXN63$7 12/31/2019
Arkadios Wealth Advisors64$7 12/31/2019
     ALXN64$7 12/31/2019
Arlington Partners LLC59$6 12/31/2019
     ALXN59$6 12/31/2019
Lake Point Wealth Management55$6 12/31/2019
     ALXN55$6 12/31/2019
Tarbox Family Office Inc.45$5 12/31/2019
     ALXN45$5 12/31/2019
Coastal Investment Advisors Inc.51$5 12/31/2019
     ALXN51$5 12/31/2019
CFM Wealth Partners LLC45$5 12/31/2019
     ALXN45$5 12/31/2019
Howe & Rusling Inc.35$4 12/31/2019
     ALXN35$4 12/31/2019
Patriot Financial Group Insurance Agency LLC38$4 12/31/2019
     ALXN38$4 12/31/2019
Versant Capital Management Inc37$4 12/31/2019
     ALXN37$4 12/31/2019
MUFG Americas Holdings Corp30$3 12/31/2019
     ALXN30$3 12/31/2019
Column Capital Advisors LLC29$3 12/31/2019
     ALXN29$3 12/31/2019
Advisory Alpha LLC25$3 12/31/2019
     ALXN25$3 12/31/2019
BerganKDV Wealth Management LLC32$3 12/31/2019
     ALXN32$3 12/31/2019
Sugarloaf Wealth Management LLC24$3 12/31/2019
     ALXN24$3 12/31/2019
James Investment Research Inc.21$2 12/31/2019
     ALXN21$2 12/31/2019
Kayne Anderson Rudnick Investment Management LLC14$2 12/31/2019
     ALXN14$2 12/31/2019
Bessemer Group Inc.14$2 12/31/2019
     ALXN14$2 12/31/2019
First Interstate Bank15$2 12/31/2019
     ALXN15$2 12/31/2019
Sonora Investment Management LLC20$2 12/31/2019
     ALXN20$2 12/31/2019
O Shaughnessy Asset Management LLC14$2 12/31/2019
     ALXN14$2 12/31/2019
Wealthcare Advisory Partners LLC14$2 12/31/2019
     ALXN14$2 12/31/2019
Squar Milner Financial Services LLC26$2 12/31/2019
     ALXN26$2 12/31/2019
Carmichael Hill & Associates Inc.15$2 12/31/2019
     ALXN15$2 12/31/2019
Selective Wealth Management Inc.18$2 12/31/2019
     ALXN18$2 12/31/2019
Anderson Fisher LLC20$2 12/31/2019
     ALXN20$2 12/31/2019
Enterprise Financial Services Corp8$1 12/31/2019
     ALXN8$1 12/31/2019
Wealthcare Capital Management LLC9$1 12/31/2019
     ALXN9$1 12/31/2019
Ironwood Financial llc9$1 12/31/2019
     ALXN9$1 12/31/2019
First Personal Financial Services13$1 12/31/2019
     ALXN13$1 12/31/2019
Glassman Wealth Services13$1 12/31/2019
     ALXN13$1 12/31/2019
CXI Advisors11$1 12/31/2019
     ALXN11$1 12/31/2019
Tsfg LLC4$1 12/31/2019
     ALXN4$1 12/31/2019
Procyon Private Wealth Partners LLC5$1 12/31/2019
     ALXN5$1 12/31/2019
Nelson Van Denburg & Campbell Wealth Management Group LLC9$0 03/31/2020
     ALXN9$0 03/31/2020
Proequities Inc. $0 12/31/2019
     Put0$0 12/31/2019
     ALXN0$0 12/31/2019
     Call0$0 12/31/2019
Altshuler Shaham Ltd3$0 12/31/2019
     ALXN3$0 12/31/2019
Sterling Investment Advisors Ltd.2$0 12/31/2019
     ALXN2$0 12/31/2019
PSI Advisors LLC4$0 12/31/2019
     ALXN4$0 12/31/2019
Great Diamond Partners LLC4$0 12/31/2019
     ALXN4$0 12/31/2019
Caption Management LLC $-270 12/31/2019
     Put35,000$3,785 12/31/2019
     ALXN26,600$2,877 12/31/2019
     Call5,900$638 12/31/2019
Walleye Capital LLC $-735 12/31/2019
     Put42,800$4,629 12/31/2019
     ALXN18,406$1,991 12/31/2019
     Call17,600$1,903 12/31/2019
Twin Tree Management LP $-1,081 12/31/2019
     Put25,600$2,769 12/31/2019
     ALXN15,612$1,688 12/31/2019
Jefferies Group LLC $-1,935 12/31/2019
     Put83,400$9,020 12/31/2019
     ALXN56,915$6,155 12/31/2019
     Call8,600$930 12/31/2019
Parallax Volatility Advisers L.P. $-2,793 12/31/2019
     Put38,300$4,143 12/31/2019
     ALXN8,880$960 12/31/2019
     Call3,600$390 12/31/2019
Arrowgrass Capital Partners US LP $-3,520 12/31/2019
     Put50,000$5,408 12/31/2019
     ALXN17,461$1,888 12/31/2019
Capstone Investment Advisors LLC $-3,760 12/31/2019
     Put93,300$10,090 12/31/2019
     Call39,900$4,315 12/31/2019
     ALXN18,634$2,015 12/31/2019
Simplex Trading LLC $-4,924 12/31/2019
     Put1,149$12,426 12/31/2019
     Call445$4,812 12/31/2019
     ALXN24,879$2,690 12/31/2019
PEAK6 Investments LLC $-7,017 12/31/2019
     Put80,600$8,717 12/31/2019
     ALXN8,218$889 12/31/2019
     Call7,500$811 12/31/2019
Capula Management Ltd $-8,970 12/31/2019
     Put130,000$14,060 12/31/2019
     ALXN47,060$5,090 12/31/2019
Walleye Trading LLC $-10,239 12/31/2019
     Put196,100$21,208 12/31/2019
     Call56,600$6,121 12/31/2019
     ALXN44,830$4,848 12/31/2019
Susquehanna International Group LLP441,600$-40,502 12/31/2019
     Put1,311,900$141,882 12/31/2019
     ALXN495,804$53,621 12/31/2019
     Call441,600$47,759 12/31/2019

See Summary: Institutional Holders of ALXN
See Details: Top 10 Hedge Funds Holding ALXN
Also See: ALXN Insider Buying
Also See: ALXN Holdings Changes
Analysts Forecast: Alexion Pharmaceuticals Price Target

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