HoldingsChannel.com
Funds Holding ALXN
HolderAmountPosition Size
($ in 1000's)
 As of
Vanguard Group Inc.17,178,711$1,542,476 03/31/2020
     ALXN17,178,711$1,542,476 03/31/2020
BlackRock Inc.16,510,976$1,482,518 03/31/2020
     ALXN16,510,976$1,482,518 03/31/2020
FMR LLC11,883,272$1,066,999 03/31/2020
     ALXN11,883,272$1,066,999 03/31/2020
State Street Corp11,082,433$995,092 03/31/2020
     ALXN11,082,433$995,092 03/31/2020
Baker BROS. Advisors LP8,760,794$786,632 03/31/2020
     ALXN8,760,794$786,632 03/31/2020
Price T Rowe Associates Inc. MD8,542,685$767,047 03/31/2020
     ALXN8,542,685$767,047 03/31/2020
Clearbridge Investments LLC6,548,218$587,964 03/31/2020
     ALXN6,548,218$587,964 03/31/2020
Ameriprise Financial Inc.6,282,877$564,122 03/31/2020
     ALXN6,282,877$564,122 03/31/2020
Renaissance Technologies LLC3,763,502$337,925 03/31/2020
     ALXN3,763,502$337,925 03/31/2020
Swedbank3,449,801$309,758 03/31/2020
     ALXN3,449,801$309,758 03/31/2020
Geode Capital Management LLC3,270,353$293,039 03/31/2020
     ALXN3,270,353$293,039 03/31/2020
Credit Suisse AG $284,479 03/31/2020
     ALXN3,174,559$285,045 03/31/2020
     Put6,300$566 03/31/2020
JPMorgan Chase & Co. $263,861 03/31/2020
     ALXN2,954,634$265,297 03/31/2020
     Put89,200$8,009 03/31/2020
     Call73,200$6,573 03/31/2020
Citadel Advisors LLC $253,518 03/31/2020
     ALXN2,876,263$258,259 03/31/2020
     Put257,100$23,085 03/31/2020
     Call204,300$18,344 03/31/2020
Northern Trust Corp2,771,424$248,845 03/31/2020
     ALXN2,771,424$248,845 03/31/2020
AQR Capital Management LLC2,729,332$237,220 03/31/2020
     ALXN2,729,332$237,220 03/31/2020
Orbimed Advisors LLC2,071,385$185,990 03/31/2020
     ALXN2,071,385$185,990 03/31/2020
Iridian Asset Management LLC CT1,975,191$177,352 03/31/2020
     ALXN1,975,191$177,352 03/31/2020
UBS Asset Management Americas Inc.1,925,969$172,933 03/31/2020
     ALXN1,925,969$172,933 03/31/2020
Bank of America Corp DE $159,210 03/31/2020
     ALXN1,798,448$161,482 03/31/2020
     Put45,300$4,068 03/31/2020
     Call20,000$1,796 03/31/2020
The Manufacturers Life Insurance Company 1,771,004$159,018 03/31/2020
     ALXN1,771,004$159,018 03/31/2020
Ninety One UK Ltd1,768,871$158,827 03/31/2020
     ALXN1,768,871$158,827 03/31/2020
Bank of New York Mellon Corp1,661,056$149,144 03/31/2020
     ALXN1,661,056$149,144 03/31/2020
Camber Capital Management LP1,650,000$148,154 03/31/2020
     ALXN1,650,000$148,154 03/31/2020
Bank of Montreal Can1,568,582$141,721 03/31/2020
     ALXN1,568,582$141,721 03/31/2020
Nuveen Asset Management LLC $133,585 03/31/2020
     ALXN1,487,763$133,585 03/31/2020
     Put2,000$0 03/31/2020
     Call1,000$0 03/31/2020
Deutsche Bank AG1,483,979$133,247 03/31/2020
     ALXN1,483,979$133,247 03/31/2020
Legal & General Group Plc1,387,171$124,700 03/31/2020
     ALXN1,387,171$124,700 03/31/2020
Charles Schwab Investment Management Inc.1,364,034$122,477 03/31/2020
     ALXN1,364,034$122,477 03/31/2020
Goldman Sachs Group Inc. $121,977 03/31/2020
     ALXN1,328,459$119,283 03/31/2020
     Call76,700$6,887 03/31/2020
     Put46,700$4,193 03/31/2020
Wells Fargo & Company MN $120,182 03/31/2020
     ALXN1,338,969$120,226 03/31/2020
     Put45,800$635 03/31/2020
     Call45,700$591 03/31/2020
Bellevue Group AG1,331,328$119,540 03/31/2020
     ALXN1,331,328$119,540 03/31/2020
Neuberger Berman Group LLC1,285,544$115,429 03/31/2020
     ALXN1,285,544$115,429 03/31/2020
Dimensional Fund Advisors LP1,222,599$109,714 03/31/2020
     ALXN1,222,599$109,714 03/31/2020
Invesco Ltd.1,219,336$109,485 03/31/2020
     ALXN1,219,336$109,485 03/31/2020
Alliancebernstein L.P.1,205,552$108,247 03/31/2020
     ALXN1,205,552$108,247 03/31/2020
Pictet Asset Management Ltd.1,157,587$103,940 03/31/2020
     ALXN1,157,587$103,940 03/31/2020
Artisan Partners Limited Partnership1,066,254$95,739 03/31/2020
     ALXN1,066,254$95,739 03/31/2020
Adage Capital Partners GP L.L.C.1,054,510$94,684 03/31/2020
     ALXN1,054,510$94,684 03/31/2020
Sumitomo Mitsui Trust Holdings Inc.993,238$89,183 03/31/2020
     ALXN993,238$89,183 03/31/2020
FIL Ltd973,178$87,381 03/31/2020
     ALXN973,178$87,381 03/31/2020
First Trust Advisors LP967,448$86,867 03/31/2020
     ALXN967,448$86,867 03/31/2020
DNB Asset Management AS748,336$83,993 06/30/2020
     ALXN748,336$83,993 06/30/2020
Swiss National Bank858,831$77,114 03/31/2020
     ALXN858,831$77,114 03/31/2020
LSV Asset Management849,427$76,270 03/31/2020
     ALXN849,427$76,270 03/31/2020
Millennium Management LLC $75,749 03/31/2020
     ALXN784,323$70,424 03/31/2020
     Call100,900$9,060 03/31/2020
     Put41,600$3,735 03/31/2020
Factory Mutual Insurance Co.733,100$65,825 03/31/2020
     ALXN733,100$65,825 03/31/2020
Glenmede Trust Co. NA601,053$65,003 03/31/2020
     ALXN601,053$65,003 03/31/2020
Canada Pension Plan Investment Board718,675$64,530 03/31/2020
     ALXN718,675$64,530 03/31/2020
Amundi Pioneer Asset Management Inc.709,100$63,669 03/31/2020
     ALXN709,100$63,669 03/31/2020
Partner Fund Management L.P.686,249$61,618 03/31/2020
     ALXN686,249$61,618 03/31/2020
Candriam Luxembourg S.C.A.575,794$60,874 03/31/2020
     ALXN575,794$60,874 03/31/2020
AXA667,327$59,919 03/31/2020
     ALXN667,327$59,919 03/31/2020
Palo Alto Investors LP642,491$57,689 03/31/2020
     ALXN642,491$57,689 03/31/2020
Point72 Asset Management L.P.642,345$57,676 03/31/2020
     ALXN642,345$57,676 03/31/2020
New York State Common Retirement Fund641,195$57,573 03/31/2020
     ALXN641,195$57,573 03/31/2020
Morgan Stanley630,677$56,629 03/31/2020
     ALXN630,677$56,629 03/31/2020
TimesSquare Capital Management LLC625,500$56,164 03/31/2020
     ALXN625,500$56,164 03/31/2020
Franklin Resources Inc.617,378$55,435 03/31/2020
     ALXN617,378$55,435 03/31/2020
Eaton Vance Management611,169$54,877 03/31/2020
     ALXN611,169$54,877 03/31/2020
D. E. Shaw & Co. Inc. $54,256 03/31/2020
     ALXN736,153$66,099 03/31/2020
     Put131,900$11,843 03/31/2020
Citigroup Inc. $51,970 03/31/2020
     ALXN725,106$65,106 03/31/2020
     Put319,100$28,652 03/31/2020
     Call172,800$15,516 03/31/2020
Scharf Investments LLC569,345$51,122 03/31/2020
     ALXN569,345$51,122 03/31/2020
Thompson Siegel & Walmsley LLC551,478$49,517 03/31/2020
     ALXN551,478$49,517 03/31/2020
Suvretta Capital Management LLC551,418$49,512 03/31/2020
     ALXN551,418$49,512 03/31/2020
UBS Group AG $47,225 03/31/2020
     ALXN665,755$59,778 03/31/2020
     Put139,800$12,553 03/31/2020
Thrivent Financial for Lutherans512,540$46,021 03/31/2020
     ALXN512,540$46,021 03/31/2020
Barclays PLC $44,267 03/31/2020
     ALXN385,329$34,597 03/31/2020
     Call261,100$23,444 03/31/2020
     Put153,400$13,774 03/31/2020
Man Group plc485,988$43,637 03/31/2020
     ALXN485,988$43,637 03/31/2020
California Public Employees Retirement System485,920$43,631 03/31/2020
     ALXN485,920$43,631 03/31/2020
Krensavage Asset Management LLC462,138$41,495 03/31/2020
     ALXN462,138$41,495 03/31/2020
Rhumbline Advisers $41,223 03/31/2020
     ALXN459,104$41,223 03/31/2020
     RIGHT222,071$0 03/31/2020
Armistice Capital LLC428,000$38,430 03/31/2020
     ALXN428,000$38,430 03/31/2020
Two Sigma Advisers LP427,790$38,411 03/31/2020
     ALXN427,790$38,411 03/31/2020
Tekla Capital Management LLC413,326$37,113 03/31/2020
     ALXN413,326$37,113 03/31/2020
Calamos Advisors LLC407,855$36,621 03/31/2020
     ALXN407,855$36,621 03/31/2020
Impax Asset Management Group plc395,440$35,507 03/31/2020
     ALXN395,440$35,507 03/31/2020
Prudential Financial Inc.387,137$34,761 03/31/2020
     ALXN387,137$34,761 03/31/2020
California State Teachers Retirement System386,466$34,701 03/31/2020
     ALXN386,466$34,701 03/31/2020
Parametric Portfolio Associates LLC386,068$34,665 03/31/2020
     ALXN386,068$34,665 03/31/2020
Strs Ohio368,041$33,046 03/31/2020
     ALXN368,041$33,046 03/31/2020
National Pension Service366,942$32,948 03/31/2020
     ALXN366,942$32,948 03/31/2020
Two Sigma Investments LP $32,754 03/31/2020
     ALXN356,892$32,045 03/31/2020
     Call37,600$3,376 03/31/2020
     Put29,700$2,667 03/31/2020
Jennison Associates LLC359,718$32,299 03/31/2020
     ALXN359,718$32,299 03/31/2020
State of Tennessee Treasury Department352,028$31,609 03/31/2020
     ALXN352,028$31,609 03/31/2020
Hudson Bay Capital Management LP $31,427 03/31/2020
     ALXN200,000$17,958 03/31/2020
     Call150,000$13,469 03/31/2020
TCW Group Inc.347,381$31,191 03/31/2020
     ALXN347,381$31,191 03/31/2020
Polar Capital LLP345,934$31,061 03/31/2020
     ALXN345,934$31,061 03/31/2020
AGF Investments Inc.336,592$30,223 03/31/2020
     ALXN336,592$30,223 03/31/2020
1832 Asset Management L.P.338,609$29,753 03/31/2020
     ALXN338,609$29,753 03/31/2020
Hsbc Holdings PLC $29,607 03/31/2020
     ALXN331,195$29,571 03/31/2020
     Call400$36 03/31/2020
TD Asset Management Inc.321,378$28,857 03/31/2020
     ALXN321,378$28,857 03/31/2020
Principal Financial Group Inc.313,948$28,189 03/31/2020
     ALXN313,948$28,189 03/31/2020
Arrowstreet Capital Limited Partnership312,157$28,029 03/31/2020
     ALXN312,157$28,029 03/31/2020
Sofinnova Investments Inc.307,300$27,592 03/31/2020
     ALXN307,300$27,592 03/31/2020
New York State Teachers Retirement System306,111$27,486 03/31/2020
     ALXN306,111$27,486 03/31/2020
Empire Life Investments Inc.304,811$27,369 03/31/2020
     ALXN304,811$27,369 03/31/2020
Guggenheim Capital LLC302,835$27,192 03/31/2020
     ALXN302,835$27,192 03/31/2020
HealthCor Management L.P. $26,782 03/31/2020
     Call150,000$13,469 03/31/2020
     ALXN148,270$13,313 03/31/2020
State Board of Administration of Florida Retirement System296,253$26,601 03/31/2020
     ALXN296,253$26,601 03/31/2020
State of Michigan Retirement System266,678$23,945 03/31/2020
     ALXN266,678$23,945 03/31/2020
Schroder Investment Management Group246,890$23,679 03/31/2020
     ALXN246,890$23,679 03/31/2020
Rubric Capital Management LP255,000$22,896 03/31/2020
     ALXN255,000$22,896 03/31/2020
Raymond James & Associates249,620$22,413 03/31/2020
     ALXN249,620$22,413 03/31/2020
Sphera Funds Management LTD.249,396$22,393 03/31/2020
     ALXN249,396$22,393 03/31/2020
Russell Investments Group Ltd.240,413$21,455 03/31/2020
     ALXN240,413$21,455 03/31/2020
State of Wisconsin Investment Board228,080$20,479 03/31/2020
     ALXN228,080$20,479 03/31/2020
Susquehanna International Group LLP $20,282 03/31/2020
     Put1,270,600$114,087 03/31/2020
     ALXN877,581$78,798 03/31/2020
     Call618,900$55,571 03/31/2020
Korea Investment CORP224,492$20,157 03/31/2020
     ALXN224,492$20,157 03/31/2020
Woodline Partners LP220,149$19,767 03/31/2020
     ALXN220,149$19,767 03/31/2020
MERIAN GLOBAL INVESTORS UK Ltd218,895$19,654 03/31/2020
     ALXN218,895$19,654 03/31/2020
Ninety One North America Inc.215,905$19,386 03/31/2020
     ALXN215,905$19,386 03/31/2020
Pura Vida Investments LLC $19,004 03/31/2020
     ALXN207,996$18,676 03/31/2020
     Call2,000$328 03/31/2020
Phoenix Holdings Ltd.214,703$18,829 03/31/2020
     ALXN214,703$18,829 03/31/2020
Envestnet Asset Management Inc.207,393$18,622 03/31/2020
     ALXN207,393$18,622 03/31/2020
Ikarian Capital LLC $17,958 03/31/2020
     Call200,000$17,958 03/31/2020
Ensign Peak Advisors Inc195,617$17,564 03/31/2020
     ALXN195,617$17,564 03/31/2020
Allianz Asset Management GmbH $17,553 03/31/2020
     ALXN199,790$17,939 03/31/2020
     Put4,300$386 03/31/2020
Federated Hermes Inc.195,432$17,548 03/31/2020
     ALXN195,432$17,548 03/31/2020
Worldquant Millennium Advisors LLC195,105$17,518 03/31/2020
     ALXN195,105$17,518 03/31/2020
Bank of Nova Scotia192,524$17,289 03/31/2020
     ALXN192,524$17,289 03/31/2020
Brandywine Global Investment Management LLC192,537$17,288 03/31/2020
     ALXN192,537$17,288 03/31/2020
Chevy Chase Trust Holdings Inc.188,280$16,905 03/31/2020
     ALXN188,280$16,905 03/31/2020
ProShare Advisors LLC185,689$16,673 03/31/2020
     ALXN185,689$16,673 03/31/2020
Mitsubishi UFJ Trust & Banking Corp183,013$16,433 03/31/2020
     ALXN183,013$16,433 03/31/2020
EULAV Asset Management177,000$15,893 03/31/2020
     ALXN177,000$15,893 03/31/2020
Great West Life Assurance Co. Can167,944$15,177 03/31/2020
     ALXN167,944$15,177 03/31/2020
Sector Gamma AS168,503$15,130 03/31/2020
     ALXN168,503$15,130 03/31/2020
Van ECK Associates Corp168,224$15,105 03/31/2020
     ALXN168,224$15,105 03/31/2020
Toronto Dominion Bank167,587$15,048 03/31/2020
     ALXN167,587$15,048 03/31/2020
State of New Jersey Common Pension Fund D164,479$14,769 03/31/2020
     ALXN164,479$14,769 03/31/2020
Teacher Retirement System of Texas161,283$14,482 03/31/2020
     ALXN161,283$14,482 03/31/2020
Rhenman & Partners Asset Management AB160,000$14,366 03/31/2020
     ALXN160,000$14,366 03/31/2020
Avidity Partners Management LP160,000$14,366 03/31/2020
     ALXN160,000$14,366 03/31/2020
Janus Henderson Group PLC153,844$13,815 03/31/2020
     ALXN153,844$13,815 03/31/2020
Peregrine Capital Management LLC153,810$13,811 03/31/2020
     ALXN153,810$13,811 03/31/2020
Taurus Asset Management LLC150,643$13,526 03/31/2020
     ALXN150,643$13,526 03/31/2020
AMP Capital Investors Ltd154,010$13,440 03/31/2020
     ALXN154,010$13,440 03/31/2020
Balyasny Asset Management LLC $13,130 03/31/2020
     ALXN96,219$8,640 03/31/2020
     Call50,000$4,490 03/31/2020
Prosight Management LP140,000$12,571 03/31/2020
     ALXN140,000$12,571 03/31/2020
Sei Investments Co.139,675$12,554 03/31/2020
     ALXN139,675$12,554 03/31/2020
CIBC Private Wealth Group LLC139,419$12,519 03/31/2020
     ALXN139,419$12,519 03/31/2020
Sarissa Capital Management LP135,000$12,121 03/31/2020
     ALXN135,000$12,121 03/31/2020
APG Asset Management N.V.132,904$11,933 03/31/2020
     ALXN132,904$11,933 03/31/2020
Macquarie Group Ltd.130,870$11,750 03/31/2020
     ALXN130,870$11,750 03/31/2020
Standard Life Aberdeen plc130,086$11,686 03/31/2020
     ALXN130,086$11,686 03/31/2020
Truist Financial Corp128,474$11,536 03/31/2020
     ALXN128,474$11,536 03/31/2020
Railway Pension Investments Ltd128,000$11,493 03/31/2020
     ALXN128,000$11,493 03/31/2020
Gotham Asset Management LLC126,328$11,343 03/31/2020
     ALXN126,328$11,343 03/31/2020
Connor Clark & Lunn Investment Management Ltd.125,310$11,252 03/31/2020
     ALXN125,310$11,252 03/31/2020
Victory Capital Management Inc.124,797$11,206 03/31/2020
     ALXN124,797$11,206 03/31/2020
Bogle Investment Management L P DE123,926$11,127 03/31/2020
     ALXN123,926$11,127 03/31/2020
First Light Asset Management LLC122,645$11,012 03/31/2020
     ALXN122,645$11,012 03/31/2020
LMR Partners LLP122,778$10,714 03/31/2020
     ALXN122,778$10,714 03/31/2020
Zurcher Kantonalbank Zurich Cantonalbank 119,245$10,707 03/31/2020
     ALXN119,245$10,707 03/31/2020
Jane Street Group LLC $10,610 03/31/2020
     Call114,200$10,254 03/31/2020
     ALXN18,669$1,676 03/31/2020
     Put14,700$1,320 03/31/2020
Public Employees Retirement System of Ohio117,146$10,519 03/31/2020
     ALXN117,146$10,519 03/31/2020
Asset Management One Co. Ltd.116,855$10,494 03/31/2020
     ALXN116,855$10,494 03/31/2020
Kingdon Capital Management L.L.C.115,000$10,326 03/31/2020
     ALXN115,000$10,326 03/31/2020
Stifel Financial Corp112,245$10,307 03/31/2020
     ALXN112,245$10,307 03/31/2020
CIBC Asset Management Inc113,630$10,203 03/31/2020
     ALXN113,630$10,203 03/31/2020
Skandinaviska Enskilda Banken AB publ 113,429$10,185 03/31/2020
     ALXN113,429$10,185 03/31/2020
Braun Stacey Associates Inc.112,781$10,127 03/31/2020
     ALXN112,781$10,127 03/31/2020
MUFG Securities EMEA plc112,000$10,056 03/31/2020
     ALXN112,000$10,056 03/31/2020
Marshall Wace LLP109,815$9,860 03/31/2020
     ALXN109,815$9,860 03/31/2020
PDT Partners LLC109,159$9,801 03/31/2020
     ALXN109,159$9,801 03/31/2020
Treasurer of the State of North Carolina104,371$9,371 03/31/2020
     ALXN104,371$9,371 03/31/2020
Partners Capital Investment Group LLP103,687$9,310 03/31/2020
     ALXN103,687$9,310 03/31/2020
Thornburg Investment Management Inc.97,490$8,754 03/31/2020
     ALXN97,490$8,754 03/31/2020
American International Group Inc.97,302$8,737 03/31/2020
     ALXN97,302$8,737 03/31/2020
Retirement Systems of Alabama97,277$8,735 03/31/2020
     ALXN97,277$8,735 03/31/2020
Aperio Group LLC97,143$8,722 03/31/2020
     ALXN97,143$8,722 03/31/2020
Voya Investment Management LLC91,065$8,176 03/31/2020
     ALXN91,065$8,176 03/31/2020
State of Alaska Department of Revenue72,286$8,112 06/30/2020
     ALXN72,286$8,112 06/30/2020
Vigilant Capital Management LLC89,552$8,041 03/31/2020
     ALXN89,552$8,041 03/31/2020
Royal London Asset Management Ltd.85,853$7,491 03/31/2020
     ALXN85,853$7,491 03/31/2020
Nomura Holdings Inc.80,957$7,267 03/31/2020
     ALXN80,957$7,267 03/31/2020
Group One Trading L.P. $6,995 03/31/2020
     Call210,500$18,901 03/31/2020
     Put132,600$11,906 03/31/2020
Nisa Investment Advisors LLC76,359$6,856 03/31/2020
     ALXN76,359$6,856 03/31/2020
Virginia Retirement Systems ET AL75,000$6,734 03/31/2020
     ALXN75,000$6,734 03/31/2020
Altrinsic Global Advisors LLC75,000$6,734 03/31/2020
     ALXN75,000$6,734 03/31/2020
International Biotechnology Trust PLC73,641$6,611 03/31/2020
     ALXN73,641$6,611 03/31/2020
PineBridge Investments L.P.73,191$6,572 03/31/2020
     ALXN73,191$6,572 03/31/2020
Comerica Bank57,973$6,268 03/31/2020
     ALXN57,973$6,268 03/31/2020
Robeco Institutional Asset Management B.V.68,079$6,113 03/31/2020
     ALXN68,079$6,113 03/31/2020
Caption Management LLC $6,097 03/31/2020
     ALXN86,900$7,803 03/31/2020
     Put49,000$4,400 03/31/2020
     Call30,000$2,694 03/31/2020
Squarepoint Ops LLC67,831$6,091 03/31/2020
     ALXN67,831$6,091 03/31/2020
Mirae Asset Global Investments Co. Ltd.66,244$5,947 03/31/2020
     ALXN66,244$5,947 03/31/2020
Pacer Advisors Inc.55,462$5,739 03/31/2020
     ALXN55,462$5,739 03/31/2020
Fjarde AP Fonden Fourth Swedish National Pension Fund63,905$5,738 03/31/2020
     ALXN63,905$5,738 03/31/2020
Royal Bank of Canada $5,676 03/31/2020
     ALXN43,316$3,889 03/31/2020
     Call19,900$1,787 03/31/2020
Callodine Capital Management LP62,500$5,612 03/31/2020
     ALXN62,500$5,612 03/31/2020
Mackay Shields LLC61,840$5,552 03/31/2020
     ALXN61,840$5,552 03/31/2020
BI Asset Management Fondsmaeglerselskab A S61,247$5,499 03/31/2020
     ALXN61,247$5,499 03/31/2020
Handelsbanken Fonder AB60,000$5,387 03/31/2020
     ALXN60,000$5,387 03/31/2020
Nan Fung Trinity HK Ltd.59,372$5,331 03/31/2020
     ALXN59,372$5,331 03/31/2020
KBC Group NV59,211$5,317 03/31/2020
     ALXN59,211$5,317 03/31/2020
Putnam Investments LLC58,694$5,270 03/31/2020
     ALXN58,694$5,270 03/31/2020
Harvey Capital Management Inc.57,641$5,175 03/31/2020
     ALXN57,641$5,175 03/31/2020
BNP Paribas Arbitrage SA $5,139 03/31/2020
     ALXN191,635$17,207 03/31/2020
     Put1,439$12,921 03/31/2020
     Call95$853 03/31/2020
MetLife Investment Management LLC57,040$5,122 03/31/2020
     ALXN57,040$5,122 03/31/2020
Nippon Life Global Investors Americas Inc.56,960$5,115 03/31/2020
     ALXN56,960$5,115 03/31/2020
Profund Advisors LLC55,483$4,982 03/31/2020
     ALXN55,483$4,982 03/31/2020
Gulf International Bank UK Ltd54,752$4,916 03/31/2020
     ALXN54,752$4,916 03/31/2020
Tokio Marine Asset Management Co. Ltd.54,421$4,886 03/31/2020
     ALXN54,421$4,886 03/31/2020
Nordea Investment Management AB55,336$4,806 03/31/2020
     ALXN55,336$4,806 03/31/2020
Smith Asset Management Group LP53,390$4,794 03/31/2020
     ALXN53,390$4,794 03/31/2020
Pendal Group Ltd52,529$4,717 03/31/2020
     ALXN52,529$4,717 03/31/2020
First Eagle Investment Management LLC50,000$4,490 03/31/2020
     ALXN50,000$4,490 03/31/2020
Congress Asset Management Co. MA49,973$4,487 03/31/2020
     ALXN49,973$4,487 03/31/2020
Andra AP fonden49,600$4,454 03/31/2020
     ALXN49,600$4,454 03/31/2020
Aviva PLC49,517$4,446 03/31/2020
     ALXN49,517$4,446 03/31/2020
LPL Financial LLC47,898$4,301 03/31/2020
     ALXN47,898$4,301 03/31/2020
Soleus Capital Management L.P.47,800$4,292 03/31/2020
     ALXN47,800$4,292 03/31/2020
DekaBank Deutsche Girozentrale48,008$4,223 03/31/2020
     ALXN48,008$4,223 03/31/2020
Xact Kapitalforvaltning AB46,750$4,198 03/31/2020
     ALXN46,750$4,198 03/31/2020
Fred Alger Management LLC46,473$4,173 03/31/2020
     ALXN46,473$4,173 03/31/2020
Cinctive Capital Management LP46,345$4,161 03/31/2020
     ALXN46,345$4,161 03/31/2020
Leuthold Group LLC45,624$4,097 03/31/2020
     ALXN45,624$4,097 03/31/2020
DSC Advisors L.P.45,000$4,041 03/31/2020
     ALXN45,000$4,041 03/31/2020
Janney Montgomery Scott LLC44,221$3,971 03/31/2020
     ALXN44,221$3,971 03/31/2020
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.43,989$3,950 03/31/2020
     ALXN43,989$3,950 03/31/2020
Tredje AP fonden43,326$3,890 03/31/2020
     ALXN43,326$3,890 03/31/2020
Oak Ridge Investments LLC42,488$3,815 03/31/2020
     ALXN42,488$3,815 03/31/2020
Westpac Banking Corp42,252$3,794 03/31/2020
     ALXN42,252$3,794 03/31/2020
Public Employees Retirement Association of Colorado41,881$3,760 03/31/2020
     ALXN41,881$3,760 03/31/2020
Nomura Asset Management Co. Ltd.41,579$3,733 03/31/2020
     ALXN41,579$3,733 03/31/2020
Gabelli Funds LLC41,000$3,681 03/31/2020
     ALXN41,000$3,681 03/31/2020
Utah Retirement Systems40,599$3,645 03/31/2020
     ALXN40,599$3,645 03/31/2020
Natixis Advisors L.P.40,431$3,630 03/31/2020
     ALXN40,431$3,630 03/31/2020
Metropolitan Life Insurance Co NY40,309$3,619 03/31/2020
     ALXN40,309$3,619 03/31/2020
Texas Permanent School Fund40,180$3,608 03/31/2020
     ALXN40,180$3,608 03/31/2020
Arizona State Retirement System39,788$3,573 03/31/2020
     ALXN39,788$3,573 03/31/2020
United Services Automobile Association37,460$3,522 03/31/2020
     ALXN37,460$3,522 03/31/2020
Employees Retirement System of Texas38,000$3,412 03/31/2020
     ALXN38,000$3,412 03/31/2020
Caisse DE Depot ET Placement DU Quebec37,624$3,378 03/31/2020
     ALXN37,624$3,378 03/31/2020
Los Angeles Capital Management & Equity Research Inc.37,426$3,360 03/31/2020
     ALXN37,426$3,360 03/31/2020
Paloma Partners Management Co $3,269 03/31/2020
     Call28,400$2,550 03/31/2020
     ALXN8,010$719 03/31/2020
Stralem & Co. Inc.35,635$3,200 03/31/2020
     ALXN35,635$3,200 03/31/2020
First Interstate Bank35,051$3,147 03/31/2020
     ALXN35,051$3,147 03/31/2020
AJO LP34,723$3,116 03/31/2020
     ALXN34,723$3,116 03/31/2020
Raymond James Financial Services Advisors Inc.34,519$3,099 03/31/2020
     ALXN34,519$3,099 03/31/2020
Cibc World Markets Corp34,486$3,096 03/31/2020
     ALXN34,486$3,096 03/31/2020
Amalgamated Bank34,345$3,084 03/31/2020
     ALXN34,345$3,084 03/31/2020
Icon Advisers Inc. Co.34,033$3,056 03/31/2020
     ALXN34,033$3,056 03/31/2020
US Bancorp DE32,467$2,915 03/31/2020
     ALXN32,467$2,915 03/31/2020
GAM Holding AG32,401$2,909 03/31/2020
     ALXN32,401$2,909 03/31/2020
SG Americas Securities LLC $2,878 03/31/2020
     ALXN38,825$3,486 03/31/2020
     Put149,500$608 03/31/2020
Mason Street Advisors LLC31,573$2,835 03/31/2020
     ALXN31,573$2,835 03/31/2020
NN Investment Partners Holdings N.V.31,420$2,821 03/31/2020
     ALXN31,420$2,821 03/31/2020
Cornercap Investment Counsel Inc.31,282$2,809 03/31/2020
     ALXN31,282$2,809 03/31/2020
AIMZ Investment Advisors LLC31,265$2,807 03/31/2020
     ALXN31,265$2,807 03/31/2020
Moody National Bank Trust Division30,861$2,771 03/31/2020
     ALXN30,861$2,771 03/31/2020
Mutual of America Capital Management LLC30,160$2,708 03/31/2020
     ALXN30,160$2,708 03/31/2020
Stephens Investment Management Group LLC30,076$2,701 03/31/2020
     ALXN30,076$2,701 03/31/2020
AlphaMark Advisors LLC30,071$2,700 03/31/2020
     ALXN30,071$2,700 03/31/2020
Healthcare Value Capital LLC30,000$2,694 03/31/2020
     ALXN30,000$2,694 03/31/2020
Fisher Asset Management LLC29,822$2,678 03/31/2020
     ALXN29,822$2,678 03/31/2020
Lazard Asset Management LLC29,818$2,676 03/31/2020
     ALXN29,818$2,676 03/31/2020
American National Insurance Co.29,050$2,608 03/31/2020
     ALXN29,050$2,608 03/31/2020
Rafferty Asset Management LLC28,341$2,545 03/31/2020
     ALXN28,341$2,545 03/31/2020
Nissay Asset Management Corp Japan ADV28,285$2,540 03/31/2020
     ALXN28,285$2,540 03/31/2020
Flaharty Asset Management LLC27,307$2,451 03/31/2020
     ALXN27,307$2,451 03/31/2020
Meeder Asset Management Inc.26,936$2,419 03/31/2020
     ALXN26,936$2,419 03/31/2020
Twin Capital Management Inc.25,936$2,329 03/31/2020
     ALXN25,936$2,329 03/31/2020
MML Investors Services LLC25,719$2,309 03/31/2020
     ALXN25,719$2,309 03/31/2020
Bowling Portfolio Management LLC25,165$2,260 03/31/2020
     ALXN25,165$2,260 03/31/2020
Forsta AP Fonden25,100$2,254 03/31/2020
     ALXN25,100$2,254 03/31/2020
Origin Asset Management LLP24,700$2,218 03/31/2020
     ALXN24,700$2,218 03/31/2020
RBA Wealth Management LLC24,556$2,205 03/31/2020
     ALXN24,556$2,205 03/31/2020
Cozad Asset Management Inc.24,325$2,184 03/31/2020
     ALXN24,325$2,184 03/31/2020
BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp24,206$2,173 03/31/2020
     ALXN24,206$2,173 03/31/2020
Tudor Investment Corp Et Al24,097$2,164 03/31/2020
     ALXN24,097$2,164 03/31/2020
Bender Robert & Associates24,081$2,162 03/31/2020
     ALXN24,081$2,162 03/31/2020
Hartford Investment Management Co.24,010$2,156 03/31/2020
     ALXN24,010$2,156 03/31/2020
IFM Investors Pty Ltd24,646$2,151 03/31/2020
     ALXN24,646$2,151 03/31/2020
DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main23,251$2,087 03/31/2020
     ALXN23,251$2,087 03/31/2020
RNC Capital Management LLC22,332$2,005 03/31/2020
     ALXN22,332$2,005 03/31/2020
Seven Eight Capital LP22,100$1,984 03/31/2020
     ALXN22,100$1,984 03/31/2020
Public Sector Pension Investment Board22,083$1,983 03/31/2020
     ALXN22,083$1,983 03/31/2020
BP PLC22,000$1,975 03/31/2020
     ALXN22,000$1,975 03/31/2020
PNC Financial Services Group Inc.21,986$1,975 03/31/2020
     ALXN21,986$1,975 03/31/2020
Securian Asset Management Inc21,825$1,960 03/31/2020
     ALXN21,825$1,960 03/31/2020
Ingalls & Snyder LLC21,815$1,959 03/31/2020
     ALXN21,815$1,959 03/31/2020
Advisor Group Holdings Inc. $1,951 03/31/2020
     ALXN23,545$1,952 03/31/2020
     Put6$1 03/31/2020
ExodusPoint Capital Management LP21,625$1,942 03/31/2020
     ALXN21,625$1,942 03/31/2020
Usca Ria LLC21,402$1,922 03/31/2020
     ALXN21,402$1,922 03/31/2020
Redpoint Investment Management Pty Ltd21,402$1,922 03/31/2020
     ALXN21,402$1,922 03/31/2020
Cullinan Associates Inc.17,054$1,914 06/30/2020
     ALXN17,054$1,914 06/30/2020
Aigen Investment Management LP21,104$1,895 03/31/2020
     ALXN21,104$1,895 03/31/2020
South Dakota Investment Council20,982$1,884 03/31/2020
     ALXN20,982$1,884 03/31/2020
Oregon Public Employees Retirement Fund20,936$1,880 03/31/2020
     ALXN20,936$1,880 03/31/2020
Silvant Capital Management LLC20,630$1,852 03/31/2020
     ALXN20,630$1,852 03/31/2020
Mercer Global Advisors Inc. ADV20,457$1,837 03/31/2020
     ALXN20,457$1,837 03/31/2020
Panagora Asset Management Inc.20,341$1,826 03/31/2020
     ALXN20,341$1,826 03/31/2020
CENTRAL TRUST Co20,139$1,808 03/31/2020
     ALXN20,139$1,808 03/31/2020
Banque Pictet & Cie SA20,048$1,800 03/31/2020
     ALXN20,048$1,800 03/31/2020
Mitsubishi UFJ Asset Management UK Ltd.20,000$1,795 03/31/2020
     ALXN20,000$1,795 03/31/2020
Dupont Capital Management Corp19,853$1,783 03/31/2020
     ALXN19,853$1,783 03/31/2020
Bremer Bank National Association19,530$1,754 03/31/2020
     ALXN19,530$1,754 03/31/2020
Norinchukin Bank The19,265$1,730 03/31/2020
     ALXN19,265$1,730 03/31/2020
Qube Research & Technologies Ltd18,868$1,694 03/31/2020
     ALXN18,868$1,694 03/31/2020
M&G Investment Management Ltd.18,798$1,692 03/31/2020
     ALXN18,798$1,692 03/31/2020
Beck Bode LLC15,715$1,689 03/31/2020
     ALXN15,715$1,689 03/31/2020
Piedmont Investment Advisors Inc.18,396$1,652 03/31/2020
     ALXN18,396$1,652 03/31/2020
Pinnacle Associates Ltd.18,179$1,632 03/31/2020
     ALXN18,179$1,632 03/31/2020
Shelton Capital Management18,090$1,624 03/31/2020
     ALXN18,090$1,624 03/31/2020
Boothbay Fund Management LLC $1,616 03/31/2020
     Call149$1,338 03/31/2020
     ALXN3,100$278 03/31/2020
Private Trust Co. NA14,032$1,575 06/30/2020
     ALXN14,032$1,575 06/30/2020
PointState Capital LP17,500$1,571 03/31/2020
     ALXN17,500$1,571 03/31/2020
Shell Asset Management Co.17,458$1,568 03/31/2020
     ALXN17,458$1,568 03/31/2020
Crossmark Global Holdings Inc.16,779$1,507 03/31/2020
     ALXN16,779$1,507 03/31/2020
Morris Capital Advisors LLC16,362$1,469 03/31/2020
     ALXN16,362$1,469 03/31/2020
Fulton Bank N. A.12,932$1,451 06/30/2020
     ALXN12,932$1,451 06/30/2020
Tealwood Asset Management Inc.15,672$1,407 03/31/2020
     ALXN15,672$1,407 03/31/2020
Eqis Capital Management Inc.13,653$1,373 03/31/2020
     ALXN13,653$1,373 03/31/2020
Schonfeld Strategic Advisors LLC15,272$1,371 03/31/2020
     ALXN15,272$1,371 03/31/2020
Pillar Pacific Capital Management LLC15,235$1,367 03/31/2020
     ALXN15,235$1,367 03/31/2020
Cubist Systematic Strategies LLC14,892$1,337 03/31/2020
     ALXN14,892$1,337 03/31/2020
Aristotle Atlantic Partners LLC14,738$1,323 03/31/2020
     ALXN14,738$1,323 03/31/2020
Barings LLC14,668$1,317 03/31/2020
     ALXN14,668$1,317 03/31/2020
Banco Bilbao Vizcaya Argentaria S.A.14,191$1,274 03/31/2020
     ALXN14,191$1,274 03/31/2020
Commonwealth of Pennsylvania Public School Empls Retrmt SYS14,138$1,269 03/31/2020
     ALXN14,138$1,269 03/31/2020
Wellington Management Group LLP14,077$1,264 03/31/2020
     ALXN14,077$1,264 03/31/2020
New Mexico Educational Retirement Board13,950$1,253 03/31/2020
     ALXN13,950$1,253 03/31/2020
Hills Bank & Trust Co.13,893$1,248 03/31/2020
     ALXN13,893$1,248 03/31/2020
BNP PARIBAS ASSET MANAGEMENT Holding S.A.13,878$1,246 03/31/2020
     ALXN13,878$1,246 03/31/2020
Sentry Investment Management LLC13,789$1,238 03/31/2020
     ALXN13,789$1,238 03/31/2020
Bluefin Trading LLC $1,230 03/31/2020
     ALXN15,799$1,419 03/31/2020
     Put30,000$192 03/31/2020
     Call30,000$3 03/31/2020
Vision Capital Management Inc.13,635$1,224 03/31/2020
     ALXN13,635$1,224 03/31/2020
Penserra Capital Management LLC12,223$1,189 03/31/2020
     ALXN12,223$1,189 03/31/2020
Citizens & Northern Corp13,037$1,171 03/31/2020
     ALXN13,037$1,171 03/31/2020
Comerica Securities Inc.12,985$1,166 03/31/2020
     ALXN12,985$1,166 03/31/2020
Sumitomo Mitsui DS Asset Management Company Ltd12,994$1,166 03/31/2020
     ALXN12,994$1,166 03/31/2020
Creative Planning12,970$1,165 03/31/2020
     ALXN12,970$1,165 03/31/2020
First Allied Advisory Services Inc.12,967$1,164 03/31/2020
     ALXN12,967$1,164 03/31/2020
Simmons Bank12,692$1,140 03/31/2020
     ALXN12,692$1,140 03/31/2020
First Citizens Bank & Trust Co.12,421$1,115 03/31/2020
     ALXN12,421$1,115 03/31/2020
Marshall Wace North America L.P.12,397$1,113 03/31/2020
     ALXN12,397$1,113 03/31/2020
Alberta Investment Management Corp12,100$1,086 03/31/2020
     ALXN12,100$1,086 03/31/2020
NJ State Employees Deferred Compensation Plan12,000$1,077 03/31/2020
     ALXN12,000$1,077 03/31/2020
Patton Albertson Miller Group LLC11,934$1,072 03/31/2020
     ALXN11,934$1,072 03/31/2020
Bayesian Capital Management LP11,646$1,046 03/31/2020
     ALXN11,646$1,046 03/31/2020
Northwestern Mutual Investment Management Company LLC11,522$1,035 03/31/2020
     ALXN11,522$1,035 03/31/2020
Stephens Inc. AR11,503$1,033 03/31/2020
     ALXN11,503$1,033 03/31/2020
Amia Capital LLP11,452$1,028 03/31/2020
     ALXN11,452$1,028 03/31/2020
Daiwa Securities Group Inc.11,443$1,027 03/31/2020
     ALXN11,443$1,027 03/31/2020
Advisors Asset Management Inc.11,050$992 03/31/2020
     ALXN11,050$992 03/31/2020
Commonwealth Equity Services LLC10,969$984 03/31/2020
     ALXN10,969$984 03/31/2020
Green Square Asset Management LLC10,953$984 03/31/2020
     ALXN10,953$984 03/31/2020
Investment Management of Virginia LLC10,902$979 03/31/2020
     ALXN10,902$979 03/31/2020
Cambridge Investment Research Advisors Inc.10,770$967 03/31/2020
     ALXN10,770$967 03/31/2020
Fortem Financial Group LLC10,763$966 03/31/2020
     ALXN10,763$966 03/31/2020
University of Notre Dame DU Lac10,706$961 03/31/2020
     ALXN10,706$961 03/31/2020
Ninety One SA PTY Ltd10,753$958 03/31/2020
     ALXN10,753$958 03/31/2020
Cim Investment Mangement Inc.10,634$955 03/31/2020
     ALXN10,634$955 03/31/2020
Hussman Strategic Advisors Inc.10,500$943 03/31/2020
     ALXN10,500$943 03/31/2020
AGF Investments America Inc.10,490$942 03/31/2020
     ALXN10,490$942 03/31/2020
BKD Wealth Advisors LLC10,450$938 03/31/2020
     ALXN10,450$938 03/31/2020
Brinker Capital Inc.10,336$928 03/31/2020
     ALXN10,336$928 03/31/2020
Freestone Capital Holdings LLC10,285$923 03/31/2020
     ALXN10,285$923 03/31/2020
Kovitz Investment Group Partners LLC9,960$894 03/31/2020
     ALXN9,960$894 03/31/2020
Weiss Multi Strategy Advisers LLC9,867$886 03/31/2020
     ALXN9,867$886 03/31/2020
Private Advisors LLC9,871$886 03/31/2020
     ALXN9,871$886 03/31/2020
Dai Ichi Life Insurance Company Ltd9,830$883 03/31/2020
     ALXN9,830$883 03/31/2020
Rockefeller Capital Management L.P.9,834$883 03/31/2020
     ALXN9,834$883 03/31/2020
Alaska Permanent Fund Corp9,520$855 03/31/2020
     ALXN9,520$855 03/31/2020
Leavell Investment Management Inc.9,412$845 03/31/2020
     ALXN9,412$845 03/31/2020
Louisiana State Employees Retirement System9,400$844 03/31/2020
     ALXN9,400$844 03/31/2020
Edmond DE Rothschild Holding S.A. $820 03/31/2020
     ALXN8,897$799 03/31/2020
     Call472$21 03/31/2020
Municipal Employees Retirement System of Michigan7,290$818 06/30/2020
     ALXN7,290$818 06/30/2020
Gamco Investors INC. ET AL9,000$808 03/31/2020
     ALXN9,000$808 03/31/2020
DCF Advisers LLC9,000$808 03/31/2020
     ALXN9,000$808 03/31/2020
World Asset Management Inc8,966$805 03/31/2020
     ALXN8,966$805 03/31/2020
Everence Capital Management Inc.7,221$803 06/30/2020
     ALXN7,221$803 06/30/2020
Advisory Services Network LLC8,931$802 03/31/2020
     ALXN8,931$802 03/31/2020
BDO Wealth Advisors LLC8,925$801 03/31/2020
     ALXN8,925$801 03/31/2020
CIBC World Markets Inc.8,881$797 03/31/2020
     ALXN8,881$797 03/31/2020
Cerity Partners LLC8,876$797 03/31/2020
     ALXN8,876$797 03/31/2020
Intact Investment Management Inc.8,800$790 03/31/2020
     ALXN8,800$790 03/31/2020
We Are One Seven LLC8,800$790 03/31/2020
     ALXN8,800$790 03/31/2020
QS Investors LLC8,735$785 03/31/2020
     ALXN8,735$785 03/31/2020
Level Four Advisory Services LLC8,457$762 03/31/2020
     ALXN8,457$762 03/31/2020
HRT Financial LLC8,478$761 03/31/2020
     ALXN8,478$761 03/31/2020
Arden Trust Co8,464$760 03/31/2020
     ALXN8,464$760 03/31/2020
CWM Advisors LLC8,378$752 03/31/2020
     ALXN8,378$752 03/31/2020
Seeyond3,234$749 03/31/2020
     ALXN3,234$749 03/31/2020
HAP Trading LLC $741 03/31/2020
     ALXN11,087$996 03/31/2020
     Put28,200$255 03/31/2020
Lumina Fund Management LLC $728 03/31/2020
     Call7,000$728 03/31/2020
Westside Investment Management Inc.8,051$722 03/31/2020
     ALXN8,051$722 03/31/2020
Ameritas Investment Partners Inc.8,020$720 03/31/2020
     ALXN8,020$720 03/31/2020
Sequent Asset Management LLC8,000$718 03/31/2020
     ALXN8,000$718 03/31/2020
tru Independence LLC7,725$694 03/31/2020
     ALXN7,725$694 03/31/2020
Israel Discount Bank of New York7,664$688 03/31/2020
     ALXN7,664$688 03/31/2020
Pzena Investment Management LLC7,617$684 03/31/2020
     ALXN7,617$684 03/31/2020
Oppenheimer Asset Management Inc.7,466$670 03/31/2020
     ALXN7,466$670 03/31/2020
High Pointe Capital Management LLC7,350$660 03/31/2020
     ALXN7,350$660 03/31/2020
MidWestOne Financial Group Inc.7,269$653 03/31/2020
     ALXN7,269$653 03/31/2020
Engineers Gate Manager LP7,029$631 03/31/2020
     ALXN7,029$631 03/31/2020
First Quadrant L P CA6,909$620 03/31/2020
     ALXN6,909$620 03/31/2020
FORA Capital LLC6,672$599 03/31/2020
     ALXN6,672$599 03/31/2020
Vident Investment Advisory LLC6,632$596 03/31/2020
     ALXN6,632$596 03/31/2020
Capital Fund Management S.A. $593 03/31/2020
     Call20,900$1,877 03/31/2020
     Put14,300$1,284 03/31/2020
JGP Global Gestao de Recursos Ltda.6,486$582 03/31/2020
     ALXN6,486$582 03/31/2020
Natixis6,447$579 03/31/2020
     ALXN6,447$579 03/31/2020
Two Sigma Securities LLC $575 03/31/2020
     Call6,400$575 03/31/2020
Grandfield & Dodd LLC6,352$570 03/31/2020
     ALXN6,352$570 03/31/2020
Calamos Wealth Management LLC6,258$562 03/31/2020
     ALXN6,258$562 03/31/2020
Commerzbank Aktiengesellschaft FI6,247$561 03/31/2020
     ALXN6,247$561 03/31/2020
DE Burlo Group Inc.6,250$561 03/31/2020
     ALXN6,250$561 03/31/2020
Synovus Financial Corp6,069$559 03/31/2020
     ALXN6,069$559 03/31/2020
Cigna Investments Inc. New6,226$559 03/31/2020
     ALXN6,226$559 03/31/2020
Atria Investments LLC6,174$554 03/31/2020
     ALXN6,174$554 03/31/2020
Exane Derivatives6,160$553 03/31/2020
     ALXN6,160$553 03/31/2020
Columbus Macro LLC6,020$541 03/31/2020
     ALXN6,020$541 03/31/2020
LS Investment Advisors LLC5,997$538 03/31/2020
     ALXN5,997$538 03/31/2020
GSA Capital Partners LLP5,982$537 03/31/2020
     ALXN5,982$537 03/31/2020
Bank of The West5,809$521 03/31/2020
     ALXN5,809$521 03/31/2020
Resources Management Corp CT ADV5,745$516 03/31/2020
     ALXN5,745$516 03/31/2020
Virtus ETF Advisers LLC5,644$507 03/31/2020
     ALXN5,644$507 03/31/2020
HighTower Advisors LLC $495 03/31/2020
     ALXN5,507$495 03/31/2020
     Call100$0 03/31/2020
National Asset Management Inc.5,486$493 03/31/2020
     ALXN5,486$493 03/31/2020
Montecito Bank & Trust5,400$485 03/31/2020
     ALXN5,400$485 03/31/2020
Vestmark Advisory Solutions Inc.5,380$483 03/31/2020
     ALXN5,380$483 03/31/2020
Mackenzie Financial Corp5,340$479 03/31/2020
     ALXN5,340$479 03/31/2020
SRB Corp5,218$469 03/31/2020
     ALXN5,218$469 03/31/2020
Weld Capital Management LLC5,220$469 03/31/2020
     ALXN5,220$469 03/31/2020
ETRADE Capital Management LLC5,142$462 03/31/2020
     ALXN5,142$462 03/31/2020
IBM Retirement Fund5,089$457 03/31/2020
     ALXN5,089$457 03/31/2020
American Assets Investment Management LLC5,000$449 03/31/2020
     ALXN5,000$449 03/31/2020
Supplemental Annuity Collective Trust of NJ5,000$449 03/31/2020
     ALXN5,000$449 03/31/2020
Ellington Management Group LLC4,900$440 03/31/2020
     ALXN4,900$440 03/31/2020
Dynamic Technology Lab Private Ltd4,900$440 03/31/2020
     ALXN4,900$440 03/31/2020
9258 Wealth Management LLC3,970$440 03/31/2020
     ALXN3,970$440 03/31/2020
Parallel Advisors LLC4,808$431 03/31/2020
     ALXN4,808$431 03/31/2020
Chicago Equity Partners LLC4,730$425 03/31/2020
     ALXN4,730$425 03/31/2020
Vestcor Inc4,738$425 03/31/2020
     ALXN4,738$425 03/31/2020
American Century Companies Inc.4,633$416 03/31/2020
     ALXN4,633$416 03/31/2020
Copperwynd Financial LLC4,566$410 03/31/2020
     ALXN4,566$410 03/31/2020
Osborn Williams & Donohoe LLC3,010$407 03/31/2020
     ALXN3,010$407 03/31/2020
First Republic Investment Management Inc.4,496$404 03/31/2020
     ALXN4,496$404 03/31/2020
Hillsdale Investment Management Inc.4,470$401 03/31/2020
     ALXN4,470$401 03/31/2020
Covenant Partners LLC4,442$399 03/31/2020
     ALXN4,442$399 03/31/2020
Voya Financial Advisors Inc.4,470$390 03/31/2020
     ALXN4,470$390 03/31/2020
Banque Cantonale Vaudoise4,337$388 03/31/2020
     ALXN4,337$388 03/31/2020
United Asset Strategies Inc.4,303$386 03/31/2020
     ALXN4,303$386 03/31/2020
Commerce Bank4,211$378 03/31/2020
     ALXN4,211$378 03/31/2020
Boltwood Capital Management3,325$373 06/30/2020
     ALXN3,325$373 06/30/2020
Covenant Asset Management LLC4,098$368 03/31/2020
     ALXN4,098$368 03/31/2020
Asahi Life Asset Management CO. LTD.4,040$363 03/31/2020
     ALXN4,040$363 03/31/2020
Colony Group LLC3,759$338 03/31/2020
     ALXN3,759$338 03/31/2020
Oppenheimer & Co. Inc.3,751$337 03/31/2020
     ALXN3,751$337 03/31/2020
Brown Advisory Inc.3,730$336 03/31/2020
     ALXN3,730$336 03/31/2020
Baird Financial Group Inc.3,707$333 03/31/2020
     ALXN3,707$333 03/31/2020
MBM Wealth Consultants LLC3,699$332 03/31/2020
     ALXN3,699$332 03/31/2020
Meiji Yasuda Asset Management Co Ltd.3,663$329 03/31/2020
     ALXN3,663$329 03/31/2020
American National Registered Investment Advisor Inc.3,640$327 03/31/2020
     ALXN3,640$327 03/31/2020
Wetherby Asset Management Inc.3,585$322 03/31/2020
     ALXN3,585$322 03/31/2020
FNY Investment Advisers LLC3,597$322 03/31/2020
     ALXN3,597$322 03/31/2020
Veritable L.P.3,572$321 03/31/2020
     ALXN3,572$321 03/31/2020
Verity Asset Management Inc.3,546$318 03/31/2020
     ALXN3,546$318 03/31/2020
Philadelphia Trust Co.3,500$314 03/31/2020
     ALXN3,500$314 03/31/2020
Blair William & Co. IL3,450$310 03/31/2020
     ALXN3,450$310 03/31/2020
Landsberg Bennett & Dubbaneh LLC3,418$309 03/31/2020
     ALXN3,418$309 03/31/2020
First Hawaiian Bank3,406$305 03/31/2020
     ALXN3,406$305 03/31/2020
Stratos Wealth Partners LTD.3,348$301 03/31/2020
     ALXN3,348$301 03/31/2020
Zions Bancorporation N.A.3,340$300 03/31/2020
     ALXN3,340$300 03/31/2020
Jacobi Capital Management LLC3,344$300 03/31/2020
     ALXN3,344$300 03/31/2020
Exchange Traded Concepts LLC3,322$298 03/31/2020
     ALXN3,322$298 03/31/2020
Ossiam3,297$296 03/31/2020
     ALXN3,297$296 03/31/2020
Rampart Investment Management Company LLC3,257$292 03/31/2020
     ALXN3,257$292 03/31/2020
Conning Inc.3,228$290 03/31/2020
     ALXN3,228$290 03/31/2020
Private Capital Group LLC3,235$290 03/31/2020
     ALXN3,235$290 03/31/2020
Edge Wealth Management LLC3,157$284 03/31/2020
     ALXN3,157$284 03/31/2020
Nicolet Bankshares Inc.3,104$279 03/31/2020
     ALXN3,104$279 03/31/2020
Park Avenue Securities LLC3,085$277 03/31/2020
     ALXN3,085$277 03/31/2020
FDx Advisors Inc.3,055$274 03/31/2020
     ALXN3,055$274 03/31/2020
GWM Advisors LLC3,054$274 03/31/2020
     ALXN3,054$274 03/31/2020
Gateway Investment Advisers LLC3,008$270 03/31/2020
     ALXN3,008$270 03/31/2020
PICTET BANK & TRUST Ltd3,000$269 03/31/2020
     ALXN3,000$269 03/31/2020
Leap Investments LP3,000$269 03/31/2020
     ALXN3,000$269 03/31/2020
Clear Creek Financial Management LLC2,465$267 03/31/2020
     ALXN2,465$267 03/31/2020
Livforsakringsbolaget Skandia Omsesidigt2,372$266 06/30/2020
     ALXN2,372$266 06/30/2020
Madison Asset Management LLC2,965$266 03/31/2020
     ALXN2,965$266 03/31/2020
MAI Capital Management2,945$264 03/31/2020
     ALXN2,945$264 03/31/2020
Meiji Yasuda Life Insurance Co2,912$261 03/31/2020
     ALXN2,912$261 03/31/2020
Intrust Bank NA2,818$253 03/31/2020
     ALXN2,818$253 03/31/2020
Canandaigua National Bank & Trust Co.2,712$244 03/31/2020
     ALXN2,712$244 03/31/2020
Advisor Partners LLC2,722$244 03/31/2020
     ALXN2,722$244 03/31/2020
Capital Advantage Inc.2,362$244 03/31/2020
     ALXN2,362$244 03/31/2020
Raymond James Trust N.A.2,660$239 03/31/2020
     ALXN2,660$239 03/31/2020
Rathbone Brothers plc2,660$239 03/31/2020
     ALXN2,660$239 03/31/2020
Cutler Group LP $237 03/31/2020
     ALXN3,100$278 03/31/2020
     Put7,900$43 03/31/2020
     Call3,500$2 03/31/2020
Capital Analysts LLC2,574$231 03/31/2020
     ALXN2,574$231 03/31/2020
Northwestern Mutual Wealth Management Co.2,561$229 03/31/2020
     ALXN2,561$229 03/31/2020
ClariVest Asset Management LLC2,554$229 03/31/2020
     ALXN2,554$229 03/31/2020
Intellectus Partners LLC2,535$228 03/31/2020
     ALXN2,535$228 03/31/2020
Regions Financial Corp2,479$223 03/31/2020
     ALXN2,479$223 03/31/2020
Independent Advisor Alliance2,470$222 03/31/2020
     ALXN2,470$222 03/31/2020
Lombard Odier Asset Management Europe Ltd2,462$221 03/31/2020
     ALXN2,462$221 03/31/2020
Private Advisor Group LLC2,448$220 03/31/2020
     ALXN2,448$220 03/31/2020
BBVA USA Bancshares Inc.2,441$219 03/31/2020
     ALXN2,441$219 03/31/2020
Wedbush Securities Inc.2,412$217 03/31/2020
     ALXN2,412$217 03/31/2020
McKinley Carter Wealth Services Inc.2,300$207 03/31/2020
     ALXN2,300$207 03/31/2020
Peddock Capital Advisors LLC2,299$206 03/31/2020
     ALXN2,299$206 03/31/2020
Planning Directions Inc.2,255$202 03/31/2020
     ALXN2,255$202 03/31/2020
Globeflex Capital L P2,200$198 03/31/2020
     ALXN2,200$198 03/31/2020
Oakworth Capital Inc.2,200$198 03/31/2020
     ALXN2,200$198 03/31/2020
Walleye Capital LLC $193 03/31/2020
     Put15,600$1,401 03/31/2020
     ALXN15,446$1,387 03/31/2020
     Call2,300$207 03/31/2020
Maverick Capital Ltd.2,119$190 03/31/2020
     ALXN2,119$190 03/31/2020
CSat Investment Advisory L.P.2,069$185 03/31/2020
     ALXN2,069$185 03/31/2020
Captrust Financial Advisors1,939$174 03/31/2020
     ALXN1,939$174 03/31/2020
Proequities Inc. $171 03/31/2020
     ALXN1,909$171 03/31/2020
     Put0$0 03/31/2020
     Call0$0 03/31/2020
Ameritas Investment Company LLC1,831$164 03/31/2020
     ALXN1,831$164 03/31/2020
Benjamin F. Edwards & Company Inc.1,810$163 03/31/2020
     ALXN1,810$163 03/31/2020
Centiva Capital LP $156 03/31/2020
     ALXN16,757$1,504 03/31/2020
     Put15,000$1,348 03/31/2020
Simplex Trading LLC $152 03/31/2020
     Put1,848$16,593 03/31/2020
     Call1,157$10,388 03/31/2020
     ALXN70,805$6,357 03/31/2020
Steward Partners Investment Advisory LLC1,659$148 03/31/2020
     ALXN1,659$148 03/31/2020
NumerixS Investment Technologies Inc1,467$132 03/31/2020
     ALXN1,467$132 03/31/2020
Institutional & Family Asset Management LLC1,392$125 03/31/2020
     ALXN1,392$125 03/31/2020
FUKOKU MUTUAL LIFE INSURANCE Co1,300$117 03/31/2020
     ALXN1,300$117 03/31/2020
Valeo Financial Advisors LLC1,170$114 03/31/2020
     ALXN1,170$114 03/31/2020
Harbor Investment Advisory LLC1,185$106 03/31/2020
     ALXN1,185$106 03/31/2020
CNB Bank1,076$97 03/31/2020
     ALXN1,076$97 03/31/2020
Fifth Third Bancorp1,013$91 03/31/2020
     ALXN1,013$91 03/31/2020
Prime Capital Investment Advisors LLC959$86 03/31/2020
     ALXN959$86 03/31/2020
Huntington National Bank947$84 03/31/2020
     ALXN947$84 03/31/2020
Signaturefd LLC927$83 03/31/2020
     ALXN927$83 03/31/2020
Sowell Financial Services LLC918$82 03/31/2020
     ALXN918$82 03/31/2020
Tower Research Capital LLC TRC 879$79 03/31/2020
     ALXN879$79 03/31/2020
NuWave Investment Management LLC739$66 03/31/2020
     ALXN739$66 03/31/2020
Verus Capital Partners LLC660$59 03/31/2020
     ALXN660$59 03/31/2020
Gs Investments Inc.600$54 03/31/2020
     ALXN600$54 03/31/2020
Stephenson National Bank & Trust583$52 03/31/2020
     ALXN583$52 03/31/2020
Flagship Harbor Advisors LLC515$46 03/31/2020
     ALXN515$46 03/31/2020
Credit Agricole S A500$45 03/31/2020
     ALXN500$45 03/31/2020
North Star Investment Management Corp.460$41 03/31/2020
     ALXN460$41 03/31/2020
Simon Quick Advisors LLC435$39 03/31/2020
     ALXN435$39 03/31/2020
Sofos Investments Inc.429$39 03/31/2020
     ALXN429$39 03/31/2020
Winslow Evans & Crocker Inc.404$38 03/31/2020
     ALXN404$38 03/31/2020
Allred Capital Management LLC418$38 03/31/2020
     ALXN418$38 03/31/2020
Quadrant Capital Group LLC339$33 03/31/2020
     ALXN339$33 03/31/2020
First Manhattan Co.350$31 03/31/2020
     ALXN350$31 03/31/2020
FinTrust Capital Advisors LLC337$30 03/31/2020
     ALXN337$30 03/31/2020
Neo Ivy Capital Management337$30 03/31/2020
     ALXN337$30 03/31/2020
Prelude Capital Management LLC326$29 03/31/2020
     ALXN326$29 03/31/2020
Pathstone Family Office LLC317$29 03/31/2020
     ALXN317$29 03/31/2020
Arrow Financial Corp300$27 03/31/2020
     ALXN300$27 03/31/2020
Investors Research Corp304$27 03/31/2020
     ALXN304$27 03/31/2020
IFP Advisors Inc311$26 03/31/2020
     ALXN311$26 03/31/2020
Whittier Trust Co.250$22 03/31/2020
     ALXN250$22 03/31/2020
Bessemer Group Inc.219$20 03/31/2020
     ALXN219$20 03/31/2020
Gradient Investments LLC207$19 03/31/2020
     ALXN207$19 03/31/2020
MayTech Global Investments LLC200$18 03/31/2020
     ALXN200$18 03/31/2020
Orion Portfolio Solutions LLC198$18 03/31/2020
     ALXN198$18 03/31/2020
Atlas Capital Advisors LLC189$17 03/31/2020
     ALXN189$17 03/31/2020
San Francisco Sentry Investment Group CA193$17 03/31/2020
     ALXN193$17 03/31/2020
Liberty Wealth Management LLC189$17 03/31/2020
     ALXN189$17 03/31/2020
Citizens Financial Group Inc RI176$16 03/31/2020
     ALXN176$16 03/31/2020
Hudock Inc.182$16 03/31/2020
     ALXN182$16 03/31/2020
NEXT Financial Group Inc181$16 03/31/2020
     ALXN181$16 03/31/2020
First Horizon Advisors Inc.168$15 03/31/2020
     ALXN168$15 03/31/2020
Patriot Financial Group Insurance Agency LLC172$15 03/31/2020
     ALXN172$15 03/31/2020
Bellevue Asset Management LLC139$15 03/31/2020
     ALXN139$15 03/31/2020
Ellevest Inc.127$14 06/30/2020
     ALXN127$14 06/30/2020
CWM LLC156$14 03/31/2020
     ALXN156$14 03/31/2020
Covington Capital Management150$13 03/31/2020
     ALXN150$13 03/31/2020
LifePlan Financial Group Inc150$13 03/31/2020
     ALXN150$13 03/31/2020
Mark Sheptoff Financial Planning LLC150$13 03/31/2020
     ALXN150$13 03/31/2020
Walled Lake Planning & Wealth Management LLC146$13 03/31/2020
     ALXN146$13 03/31/2020
Global Retirement Partners LLC133$12 03/31/2020
     ALXN133$12 03/31/2020
Webster Bank N. A.120$11 03/31/2020
     ALXN120$11 03/31/2020
Endurance Wealth Management Inc.124$11 03/31/2020
     ALXN124$11 03/31/2020
RPG Investment Advisory LLC125$11 03/31/2020
     ALXN125$11 03/31/2020
WASHINGTON TRUST Co114$10 03/31/2020
     ALXN114$10 03/31/2020
Systematic Financial Management LP113$10 03/31/2020
     ALXN113$10 03/31/2020
Farmers & Merchants Investments Inc.108$10 03/31/2020
     ALXN108$10 03/31/2020
Sageworth Trust Co115$10 03/31/2020
     ALXN115$10 03/31/2020
McIlrath & Eck LLC106$10 03/31/2020
     ALXN106$10 03/31/2020
Optimum Investment Advisors100$9 03/31/2020
     ALXN100$9 03/31/2020
Earnest Partners LLC99$9 03/31/2020
     ALXN99$9 03/31/2020
Berman Capital Advisors LLC105$9 03/31/2020
     ALXN105$9 03/31/2020
Lindbrook Capital LLC104$9 03/31/2020
     ALXN104$9 03/31/2020
Savior LLC96$9 03/31/2020
     ALXN96$9 03/31/2020
Evoke Wealth LLC96$9 03/31/2020
     ALXN96$9 03/31/2020
Lion Street Advisors LLC99$9 03/31/2020
     ALXN99$9 03/31/2020
CVA Family Office LLC100$9 03/31/2020
     ALXN100$9 03/31/2020
Enterprise Financial Services Corp75$7 03/31/2020
     ALXN75$7 03/31/2020
Assetmark Inc.78$7 03/31/2020
     ALXN78$7 03/31/2020
Balentine LLC73$7 03/31/2020
     ALXN73$7 03/31/2020
Lenox Wealth Management Inc.68$6 03/31/2020
     ALXN68$6 03/31/2020
Horan Securities Inc.62$6 03/31/2020
     ALXN62$6 03/31/2020
Acima Private Wealth LLC68$6 03/31/2020
     ALXN68$6 03/31/2020
Arkadios Wealth Advisors64$6 03/31/2020
     ALXN64$6 03/31/2020
Arlington Partners LLC59$5 03/31/2020
     ALXN59$5 03/31/2020
Tarbox Family Office Inc.51$5 03/31/2020
     ALXN51$5 03/31/2020
CX Institutional60$5 03/31/2020
     ALXN60$5 03/31/2020
Kore Private Wealth LLC60$5 03/31/2020
     ALXN60$5 03/31/2020
Lake Point Wealth Management55$5 03/31/2020
     ALXN55$5 03/31/2020
Capital Advisory Group Advisory Services LLC54$5 03/31/2020
     ALXN54$5 03/31/2020
Bartlett & Co. LLC50$4 03/31/2020
     ALXN50$4 03/31/2020
TCI Wealth Advisors Inc.50$4 03/31/2020
     ALXN50$4 03/31/2020
Glassman Wealth Services44$4 03/31/2020
     ALXN44$4 03/31/2020
CFM Wealth Partners LLC45$4 03/31/2020
     ALXN45$4 03/31/2020
EPG Wealth Management LLC41$4 03/31/2020
     ALXN41$4 03/31/2020
Engrave Wealth Partners LLC51$4 03/31/2020
     ALXN51$4 03/31/2020
Brown Brothers Harriman & Co.35$3 03/31/2020
     ALXN35$3 03/31/2020
Howe & Rusling Inc.35$3 03/31/2020
     ALXN35$3 03/31/2020
MUFG Americas Holdings Corp30$3 03/31/2020
     ALXN30$3 03/31/2020
O Shaughnessy Asset Management LLC32$3 03/31/2020
     ALXN32$3 03/31/2020
Parkside Financial Bank & Trust36$3 03/31/2020
     ALXN36$3 03/31/2020
BerganKDV Wealth Management LLC38$3 03/31/2020
     ALXN38$3 03/31/2020
Prestige Wealth Management Group LLC28$3 03/31/2020
     ALXN28$3 03/31/2020
Nelson Van Denburg & Campbell Wealth Management Group LLC19$2 06/30/2020
     ALXN19$2 06/30/2020
James Investment Research Inc.21$2 03/31/2020
     ALXN21$2 03/31/2020
Salem Investment Counselors Inc.25$2 03/31/2020
     ALXN25$2 03/31/2020
Motco18$2 03/31/2020
     ALXN18$2 03/31/2020
Sugarloaf Wealth Management LLC24$2 03/31/2020
     ALXN24$2 03/31/2020
Wealthcare Advisory Partners LLC23$2 03/31/2020
     ALXN23$2 03/31/2020
Versant Capital Management Inc31$2 03/31/2020
     ALXN31$2 03/31/2020
Selective Wealth Management Inc.18$2 03/31/2020
     ALXN18$2 03/31/2020
Anderson Fisher LLC20$2 03/31/2020
     ALXN20$2 03/31/2020
Tsfg LLC4$1 06/30/2020
     ALXN4$1 06/30/2020
Plante Moran Financial Advisors LLC6$1 03/31/2020
     ALXN6$1 03/31/2020
Ironwood Financial llc9$1 03/31/2020
     ALXN9$1 03/31/2020
Claraphi Advisory Network LLC6$1 03/31/2020
     ALXN6$1 03/31/2020
Carmichael Hill & Associates Inc.15$1 03/31/2020
     ALXN15$1 03/31/2020
Kayne Anderson Rudnick Investment Management LLC4$0 03/31/2020
     ALXN4$0 03/31/2020
Altshuler Shaham Ltd3$0 03/31/2020
     ALXN3$0 03/31/2020
Sonora Investment Management LLC5$0 03/31/2020
     ALXN5$0 03/31/2020
Sterling Investment Advisors Ltd.2$0 03/31/2020
     ALXN2$0 03/31/2020
Golden State Wealth Management LLC2$0 03/31/2020
     ALXN2$0 03/31/2020
Procyon Private Wealth Partners LLC5$0 03/31/2020
     ALXN5$0 03/31/2020
Caas Capital Management LP $-143 03/31/2020
     Put12,100$1,086 03/31/2020
     Call10,500$943 03/31/2020
Walleye Trading LLC $-425 03/31/2020
     Put136,500$12,256 03/31/2020
     Call72,000$6,465 03/31/2020
     ALXN59,765$5,366 03/31/2020
Wolverine Trading LLC $-493 03/31/2020
     Put72,100$6,291 03/31/2020
     Call55,300$4,825 03/31/2020
     ALXN11,151$973 03/31/2020
Capula Management Ltd $-532 03/31/2020
     Put80,000$7,183 03/31/2020
     ALXN74,070$6,651 03/31/2020
IMC Chicago LLC $-1,060 03/31/2020
     Put11,800$1,060 03/31/2020
Capstone Investment Advisors LLC $-1,984 03/31/2020
     Put32,900$2,954 03/31/2020
     Call10,800$970 03/31/2020
Parallax Volatility Advisers L.P. $-4,431 03/31/2020
     Put97,100$8,721 03/31/2020
     ALXN46,972$4,218 03/31/2020
     Call800$72 03/31/2020
PEAK6 Investments LLC $-5,468 03/31/2020
     Put158,000$14,187 03/31/2020
     ALXN76,501$6,869 03/31/2020
     Call20,600$1,850 03/31/2020
Twin Tree Management LP10,900$-9,069 03/31/2020
     Put281,600$25,285 03/31/2020
     ALXN169,697$15,237 03/31/2020
     Call10,900$979 03/31/2020

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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