HoldingsChannel.com
Funds Holding ALXN
HolderAmountPosition Size
($ in 1000's)
 As of
FMR LLC29,144,320$3,939,729 03/31/2019
     ALXN29,144,320$3,939,729 03/31/2019
Vanguard Group Inc.16,437,166$2,221,976 03/31/2019
     ALXN16,437,166$2,221,976 03/31/2019
BlackRock Inc.16,026,317$2,166,438 03/31/2019
     ALXN16,026,317$2,166,438 03/31/2019
Price T Rowe Associates Inc. MD14,160,609$1,914,231 03/31/2019
     ALXN14,160,609$1,914,231 03/31/2019
State Street Corp11,144,840$1,506,559 03/31/2019
     ALXN11,144,840$1,506,559 03/31/2019
Jennison Associates LLC10,241,457$1,384,440 03/31/2019
     ALXN10,241,457$1,384,440 03/31/2019
Baker BROS. Advisors LP8,558,068$1,156,880 03/31/2019
     ALXN8,558,068$1,156,880 03/31/2019
Ameriprise Financial Inc.6,904,540$933,307 03/31/2019
     ALXN6,904,540$933,307 03/31/2019
Clearbridge Investments LLC5,810,033$785,400 03/31/2019
     ALXN5,810,033$785,400 03/31/2019
JPMorgan Chase & Co. $629,977 03/31/2019
     ALXN4,741,881$641,008 03/31/2019
     Put156,700$21,183 03/31/2019
     Call75,100$10,152 03/31/2019
Artisan Partners Limited Partnership4,248,248$574,278 03/31/2019
     ALXN4,248,248$574,278 03/31/2019
Invesco Ltd.3,716,152$502,349 03/31/2019
     ALXN3,716,152$502,349 03/31/2019
TIAA CREF Investment Management LLC3,328,824$449,990 03/31/2019
     ALXN3,328,824$449,990 03/31/2019
Northern Trust Corp2,961,031$400,272 03/31/2019
     ALXN2,961,031$400,272 03/31/2019
Geode Capital Management LLC2,878,022$388,313 03/31/2019
     ALXN2,878,022$388,313 03/31/2019
Iridian Asset Management LLC CT2,188,923$295,899 03/31/2019
     ALXN2,188,923$295,899 03/31/2019
Wells Fargo & Company MN $282,381 03/31/2019
     ALXN2,088,949$282,383 03/31/2019
     Put300$2 03/31/2019
Bank of America Corp DE $279,168 03/31/2019
     ALXN2,073,659$280,317 03/31/2019
     Put8,500$1,149 03/31/2019
Orbimed Advisors LLC1,957,200$264,574 03/31/2019
     ALXN1,957,200$264,574 03/31/2019
Pictet Asset Management Ltd. $239,561 03/31/2019
     ALXN1,848,464$249,875 03/31/2019
     Put76,300$10,314 03/31/2019
Investec Asset Management LTD1,673,504$226,224 03/31/2019
     ALXN1,673,504$226,224 03/31/2019
Bank of New York Mellon Corp1,634,391$220,936 03/31/2019
     ALXN1,634,391$220,936 03/31/2019
Franklin Resources Inc.1,624,961$219,663 03/31/2019
     ALXN1,624,961$219,663 03/31/2019
AQR Capital Management LLC1,594,568$213,704 03/31/2019
     ALXN1,594,568$213,704 03/31/2019
Goldman Sachs Group Inc. $205,845 03/31/2019
     ALXN1,495,961$202,223 03/31/2019
     Call47,200$6,380 03/31/2019
     Put20,400$2,758 03/31/2019
UBS Asset Management Americas Inc.1,463,626$197,853 03/31/2019
     ALXN1,463,626$197,853 03/31/2019
Swedbank1,429,397$187,222 06/30/2019
     ALXN1,429,397$187,222 06/30/2019
Janus Henderson Group PLC1,325,355$179,161 03/31/2019
     ALXN1,325,355$179,161 03/31/2019
BB Biotech AG1,314,428$177,684 03/31/2019
     ALXN1,314,428$177,684 03/31/2019
Legal & General Group Plc1,288,789$174,219 03/31/2019
     ALXN1,288,789$174,219 03/31/2019
Deutsche Bank AG $167,038 03/31/2019
     ALXN1,236,061$167,080 03/31/2019
     Put316$42 03/31/2019
Palo Alto Investors LP1,229,030$166,140 03/31/2019
     ALXN1,229,030$166,140 03/31/2019
FIL Ltd1,208,567$163,373 03/31/2019
     ALXN1,208,567$163,373 03/31/2019
Charles Schwab Investment Management Inc.1,193,597$161,351 03/31/2019
     ALXN1,193,597$161,351 03/31/2019
Sound Shore Management Inc. CT1,183,624$160,002 03/31/2019
     ALXN1,183,624$160,002 03/31/2019
American Century Companies Inc.1,084,739$146,635 03/31/2019
     ALXN1,084,739$146,635 03/31/2019
Neuberger Berman Group LLC1,003,217$135,615 03/31/2019
     ALXN1,003,217$135,615 03/31/2019
The Manufacturers Life Insurance Company 1,002,475$135,515 03/31/2019
     ALXN1,002,475$135,515 03/31/2019
First Trust Advisors LP914,191$123,580 03/31/2019
     ALXN914,191$123,580 03/31/2019
Sumitomo Mitsui Trust Holdings Inc.853,337$115,354 03/31/2019
     ALXN853,337$115,354 03/31/2019
Amundi Pioneer Asset Management Inc.811,367$109,681 03/31/2019
     ALXN811,367$109,681 03/31/2019
Renaissance Technologies LLC801,800$108,387 03/31/2019
     ALXN801,800$108,387 03/31/2019
Swiss National Bank744,641$100,661 03/31/2019
     ALXN744,641$100,661 03/31/2019
Teachers Advisors LLC732,199$98,979 03/31/2019
     ALXN732,199$98,979 03/31/2019
AXA708,405$95,761 03/31/2019
     ALXN708,405$95,761 03/31/2019
Calamos Advisors LLC687,632$92,954 03/31/2019
     ALXN687,632$92,954 03/31/2019
New York State Common Retirement Fund668,001$90,300 03/31/2019
     ALXN668,001$90,300 03/31/2019
SEI Investments Co666,003$90,018 03/31/2019
     ALXN666,003$90,018 03/31/2019
Strs Ohio639,728$86,478 03/31/2019
     ALXN639,728$86,478 03/31/2019
Dimensional Fund Advisors LP633,799$85,667 03/31/2019
     ALXN633,799$85,667 03/31/2019
Prudential Financial Inc.631,004$85,299 03/31/2019
     ALXN631,004$85,299 03/31/2019
Marshall Wace North America L.P.616,237$83,303 03/31/2019
     ALXN616,237$83,303 03/31/2019
Morgan Stanley600,063$81,117 03/31/2019
     ALXN600,063$81,117 03/31/2019
Camber Capital Management LP600,000$81,108 03/31/2019
     ALXN600,000$81,108 03/31/2019
Eaton Vance Management580,451$78,465 03/31/2019
     ALXN580,451$78,465 03/31/2019
Candriam Luxembourg S.C.A.565,052$76,387 03/31/2019
     ALXN565,052$76,387 03/31/2019
TCW Group Inc.516,675$69,844 03/31/2019
     ALXN516,675$69,844 03/31/2019
Adage Capital Partners GP L.L.C.488,562$66,044 03/31/2019
     ALXN488,562$66,044 03/31/2019
Alliancebernstein L.P.460,317$62,226 03/31/2019
     ALXN460,317$62,226 03/31/2019
Polar Capital LLP459,092$62,060 03/31/2019
     ALXN459,092$62,060 03/31/2019
Miller Value Partners LLC447,680$60,517 03/31/2019
     ALXN447,680$60,517 03/31/2019
Canada Pension Plan Investment Board444,281$60,058 03/31/2019
     ALXN444,281$60,058 03/31/2019
Citigroup Inc. $58,567 03/31/2019
     ALXN437,746$59,175 03/31/2019
     Put41,000$5,542 03/31/2019
     Call36,500$4,934 03/31/2019
Factory Mutual Insurance Co.444,400$58,207 06/30/2019
     ALXN444,400$58,207 06/30/2019
Rhumbline Advisers423,874$57,299 03/31/2019
     ALXN423,874$57,299 03/31/2019
Mirae Asset Global Investments Co. Ltd.400,084$54,063 03/31/2019
     ALXN400,084$54,063 03/31/2019
PNC Financial Services Group Inc.386,921$52,305 03/31/2019
     ALXN386,921$52,305 03/31/2019
Credit Suisse AG $51,090 03/31/2019
     ALXN376,543$50,901 03/31/2019
     Call6,600$892 03/31/2019
     Put5,200$703 03/31/2019
Tekla Capital Management LLC375,705$50,788 03/31/2019
     ALXN375,705$50,788 03/31/2019
Baird Financial Group Inc.374,473$50,621 03/31/2019
     ALXN374,473$50,621 03/31/2019
Barclays PLC $47,909 03/31/2019
     ALXN266,798$36,066 03/31/2019
     Call158,600$21,440 03/31/2019
     Put71,000$9,597 03/31/2019
California Public Employees Retirement System353,835$47,831 03/31/2019
     ALXN353,835$47,831 03/31/2019
California State Teachers Retirement System353,711$47,815 03/31/2019
     ALXN353,711$47,815 03/31/2019
Parametric Portfolio Associates LLC353,329$47,763 03/31/2019
     ALXN353,329$47,763 03/31/2019
TD Asset Management Inc.348,500$47,110 03/31/2019
     ALXN348,500$47,110 03/31/2019
Principal Financial Group Inc.327,205$44,232 03/31/2019
     ALXN327,205$44,232 03/31/2019
Bank of Montreal Can308,986$41,768 03/31/2019
     ALXN308,986$41,768 03/31/2019
State Board of Administration of Florida Retirement System303,864$41,076 03/31/2019
     ALXN303,864$41,076 03/31/2019
State of Wisconsin Investment Board303,567$41,036 03/31/2019
     ALXN303,567$41,036 03/31/2019
New York State Teachers Retirement System310,394$40,655 06/30/2019
     ALXN310,394$40,655 06/30/2019
United Services Automobile Association300,648$40,642 03/31/2019
     ALXN300,648$40,642 03/31/2019
Raymond James & Associates294,245$39,776 03/31/2019
     ALXN294,245$39,776 03/31/2019
Guggenheim Capital LLC293,237$39,640 03/31/2019
     ALXN293,237$39,640 03/31/2019
State of New Jersey Common Pension Fund D265,000$35,823 03/31/2019
     ALXN265,000$35,823 03/31/2019
EULAV Asset Management257,200$34,804 03/31/2019
     ALXN257,200$34,804 03/31/2019
National Pension Service255,355$34,519 03/31/2019
     ALXN255,355$34,519 03/31/2019
Sphera Funds Management LTD.247,300$33,430 03/31/2019
     ALXN247,300$33,430 03/31/2019
ProShare Advisors LLC246,880$33,373 03/31/2019
     ALXN246,880$33,373 03/31/2019
Rock Springs Capital Management LP242,500$32,781 03/31/2019
     ALXN242,500$32,781 03/31/2019
State Treasurer State of Michigan240,378$32,494 03/31/2019
     ALXN240,378$32,494 03/31/2019
UBS Group AG236,810$32,012 03/31/2019
     ALXN236,810$32,012 03/31/2019
State of Tennessee Treasury Department218,379$29,520 03/31/2019
     ALXN218,379$29,520 03/31/2019
Allianz Asset Management GmbH $28,773 03/31/2019
     ALXN217,455$29,395 03/31/2019
     Put6,400$865 03/31/2019
     Call1,800$243 03/31/2019
Korea Investment CORP206,892$27,968 03/31/2019
     ALXN206,892$27,968 03/31/2019
Alyeska Investment Group L.P.202,671$27,397 03/31/2019
     ALXN202,671$27,397 03/31/2019
Chevy Chase Trust Holdings Inc.186,623$25,400 03/31/2019
     ALXN186,623$25,400 03/31/2019
Mitsubishi UFJ Trust & Banking Corp181,989$24,252 03/31/2019
     ALXN181,989$24,252 03/31/2019
Teachers Retirement System of The State of Kentucky175,762$23,759 03/31/2019
     ALXN175,762$23,759 03/31/2019
D. E. Shaw & Co. Inc. $23,448 03/31/2019
     ALXN162,459$21,961 03/31/2019
     Call20,900$2,825 03/31/2019
     Put9,900$1,338 03/31/2019
Millennium Management LLC $23,187 03/31/2019
     ALXN121,327$16,401 03/31/2019
     Call50,200$6,786 03/31/2019
Bellevue Group AG171,150$23,136 03/31/2019
     ALXN171,150$23,136 03/31/2019
Signature Estate & Investment Advisors LLC165,790$22,411 03/31/2019
     ALXN165,790$22,411 03/31/2019
Peregrine Capital Management LLC165,886$21,728 06/30/2019
     ALXN165,886$21,728 06/30/2019
Fred Alger Management Inc.159,011$21,495 03/31/2019
     ALXN159,011$21,495 03/31/2019
Macquarie Group Ltd.157,058$21,231 03/31/2019
     ALXN157,058$21,231 03/31/2019
Toronto Dominion Bank155,749$21,049 03/31/2019
     ALXN155,749$21,049 03/31/2019
Virginia Retirement Systems ET AL153,200$20,710 03/31/2019
     ALXN153,200$20,710 03/31/2019
Investec Asset Management North America Inc.150,155$20,298 03/31/2019
     ALXN150,155$20,298 03/31/2019
CIBC Private Wealth Group LLC147,037$19,877 03/31/2019
     ALXN147,037$19,877 03/31/2019
Adams Diversified Equity Fund Inc.146,700$19,831 03/31/2019
     ALXN146,700$19,831 03/31/2019
Aviva PLC146,126$19,753 03/31/2019
     ALXN146,126$19,753 03/31/2019
First Eagle Investment Management LLC145,900$19,723 03/31/2019
     ALXN145,900$19,723 03/31/2019
Victory Capital Management Inc.143,067$19,340 03/31/2019
     ALXN143,067$19,340 03/31/2019
Delek Group Ltd.142,933$19,226 03/31/2019
     ALXN142,933$19,226 03/31/2019
Hsbc Holdings PLC $19,053 03/31/2019
     ALXN142,343$19,242 03/31/2019
     Put16,000$2,163 03/31/2019
     Call14,600$1,974 03/31/2019
Van ECK Associates Corp139,046$18,796 03/31/2019
     ALXN139,046$18,796 03/31/2019
Rhenman & Partners Asset Management AB136,466$18,447 03/31/2019
     ALXN136,466$18,447 03/31/2019
Public Employees Retirement System of Ohio135,185$18,274 03/31/2019
     ALXN135,185$18,274 03/31/2019
Balyasny Asset Management LLC128,598$17,384 03/31/2019
     ALXN128,598$17,384 03/31/2019
Skandinaviska Enskilda Banken AB publ 127,950$17,296 03/31/2019
     ALXN127,950$17,296 03/31/2019
Royal Bank of Canada127,481$17,233 03/31/2019
     ALXN127,481$17,233 03/31/2019
Commerzbank Aktiengesellschaft FI123,323$16,671 03/31/2019
     ALXN123,323$16,671 03/31/2019
Asset Management One Co. Ltd.117,108$15,830 03/31/2019
     ALXN117,108$15,830 03/31/2019
Braun Stacey Associates Inc.114,710$15,506 03/31/2019
     ALXN114,710$15,506 03/31/2019
Prudential PLC111,443$15,065 03/31/2019
     ALXN111,443$15,065 03/31/2019
Two Sigma Investments LP $15,018 03/31/2019
     ALXN110,392$14,923 03/31/2019
     Call6,000$811 03/31/2019
     Put5,300$716 03/31/2019
Vigilant Capital Management LLC113,829$14,909 06/30/2019
     ALXN113,829$14,909 06/30/2019
Envestnet Asset Management Inc.107,893$14,585 03/31/2019
     ALXN107,893$14,585 03/31/2019
Thornburg Investment Management Inc.107,884$14,584 03/31/2019
     ALXN107,884$14,584 03/31/2019
Origin Asset Management LLP105,200$14,221 03/31/2019
     ALXN105,200$14,221 03/31/2019
Taurus Asset Management LLC102,591$13,868 03/31/2019
     ALXN102,591$13,868 03/31/2019
Retirement Systems of Alabama104,572$13,697 06/30/2019
     ALXN104,572$13,697 06/30/2019
American International Group Inc.98,756$13,350 03/31/2019
     ALXN98,756$13,350 03/31/2019
BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp98,038$13,253 03/31/2019
     ALXN98,038$13,253 03/31/2019
Standard Life Aberdeen plc97,993$13,247 03/31/2019
     ALXN97,993$13,247 03/31/2019
Empire Life Investments Inc.96,272$13,014 03/31/2019
     ALXN96,272$13,014 03/31/2019
Jane Street Group LLC $12,836 03/31/2019
     Call69,300$9,368 03/31/2019
     ALXN40,747$5,509 03/31/2019
     Put15,100$2,041 03/31/2019
Panagora Asset Management Inc.93,860$12,688 03/31/2019
     ALXN93,860$12,688 03/31/2019
Handelsbanken Fonder AB96,496$12,639 06/30/2019
     ALXN96,496$12,639 06/30/2019
Royal London Asset Management Ltd.90,158$12,186 03/31/2019
     ALXN90,158$12,186 03/31/2019
Premier Asset Management LLC89,785$12,137 03/31/2019
     ALXN89,785$12,137 03/31/2019
Citadel Advisors LLC $11,665 03/31/2019
     Call104,500$14,126 03/31/2019
     Put88,700$11,990 03/31/2019
     ALXN70,489$9,529 03/31/2019
BNP Paribas Arbitrage SA86,221$11,655 03/31/2019
     ALXN86,221$11,655 03/31/2019
NF Trinity Capital Hong Kong Ltd82,500$11,152 03/31/2019
     ALXN82,500$11,152 03/31/2019
Voya Investment Management LLC81,021$10,953 03/31/2019
     ALXN81,021$10,953 03/31/2019
Stifel Financial Corp81,078$10,905 03/31/2019
     ALXN81,078$10,905 03/31/2019
PDT Partners LLC79,500$10,747 03/31/2019
     ALXN79,500$10,747 03/31/2019
AMP Capital Investors Ltd80,163$10,681 03/31/2019
     ALXN80,163$10,681 03/31/2019
Two Sigma Advisers LP78,590$10,624 03/31/2019
     ALXN78,590$10,624 03/31/2019
Profund Advisors LLC76,670$10,364 03/31/2019
     ALXN76,670$10,364 03/31/2019
Aperio Group LLC74,395$10,057 03/31/2019
     ALXN74,395$10,057 03/31/2019
International Biotechnology Trust PLC73,641$9,952 03/31/2019
     ALXN73,641$9,952 03/31/2019
Arizona State Retirement System72,931$9,859 03/31/2019
     ALXN72,931$9,859 03/31/2019
Oak Ridge Investments LLC71,900$9,719 03/31/2019
     ALXN71,900$9,719 03/31/2019
Channing Capital Management LLC68,622$9,276 03/31/2019
     ALXN68,622$9,276 03/31/2019
Altrinsic Global Advisors LLC65,000$8,787 03/31/2019
     ALXN65,000$8,787 03/31/2019
Granite Investment Partners LLC64,506$8,720 03/31/2019
     ALXN64,506$8,720 03/31/2019
Parallax Volatility Advisers L.P. $8,638 03/31/2019
     Call63,900$8,638 03/31/2019
MetLife Investment Advisors LLC63,511$8,585 03/31/2019
     ALXN63,511$8,585 03/31/2019
Robeco Institutional Asset Management B.V.62,458$8,442 03/31/2019
     ALXN62,458$8,442 03/31/2019
Systematic Financial Management LP62,357$8,429 03/31/2019
     ALXN62,357$8,429 03/31/2019
University of Notre Dame DU Lac61,518$8,316 03/31/2019
     ALXN61,518$8,316 03/31/2019
Marshall Wace LLP61,130$8,264 03/31/2019
     ALXN61,130$8,264 03/31/2019
KBC Group NV56,936$7,697 03/31/2019
     ALXN56,936$7,697 03/31/2019
ZWJ Investment Counsel Inc.56,800$7,678 03/31/2019
     ALXN56,800$7,678 03/31/2019
DekaBank Deutsche Girozentrale59,968$7,469 03/31/2019
     ALXN59,968$7,469 03/31/2019
Rafferty Asset Management LLC54,297$7,340 03/31/2019
     ALXN54,297$7,340 03/31/2019
Fjarde AP Fonden Fourth Swedish National Pension Fund55,896$7,321 06/30/2019
     ALXN55,896$7,321 06/30/2019
Gulf International Bank UK Ltd55,253$7,237 06/30/2019
     ALXN55,253$7,237 06/30/2019
Cibc World Markets Corp53,493$7,231 03/31/2019
     ALXN53,493$7,231 03/31/2019
Comerica Bank50,937$7,197 03/31/2019
     ALXN50,937$7,197 03/31/2019
CIBC Asset Management Inc53,218$7,194 03/31/2019
     ALXN53,218$7,194 03/31/2019
Nisa Investment Advisors LLC53,750$7,040 06/30/2019
     ALXN53,750$7,040 06/30/2019
APG Asset Management N.V.57,332$6,902 03/31/2019
     ALXN57,332$6,902 03/31/2019
Summit Partners Public Asset Management LLC49,730$6,723 03/31/2019
     ALXN49,730$6,723 03/31/2019
Mackay Shields LLC49,118$6,640 03/31/2019
     ALXN49,118$6,640 03/31/2019
Nicholas Company Inc.48,590$6,568 03/31/2019
     ALXN48,590$6,568 03/31/2019
Gabelli Funds LLC48,500$6,556 03/31/2019
     ALXN48,500$6,556 03/31/2019
South Dakota Investment Council48,230$6,520 03/31/2019
     ALXN48,230$6,520 03/31/2019
Boston Advisors LLC47,733$6,452 03/31/2019
     ALXN47,733$6,452 03/31/2019
1832 Asset Management L.P.48,000$6,426 03/31/2019
     ALXN48,000$6,426 03/31/2019
Partners Capital Investment Group LLP47,429$6,411 03/31/2019
     ALXN47,429$6,411 03/31/2019
C WorldWide Group Holding A S47,325$6,397 03/31/2019
     ALXN47,325$6,397 03/31/2019
Twin Capital Management Inc.47,170$6,376 03/31/2019
     ALXN47,170$6,376 03/31/2019
Kepos Capital LP46,813$6,328 03/31/2019
     ALXN46,813$6,328 03/31/2019
Zurcher Kantonalbank Zurich Cantonalbank 46,179$6,242 03/31/2019
     ALXN46,179$6,242 03/31/2019
Icon Advisers Inc. Co.45,333$6,128 03/31/2019
     ALXN45,333$6,128 03/31/2019
Dai Ichi Life Insurance Company Ltd45,240$6,116 03/31/2019
     ALXN45,240$6,116 03/31/2019
DSC Advisors L.P.45,000$6,083 03/31/2019
     ALXN45,000$6,083 03/31/2019
Sivik Global Healthcare LLC45,000$6,083 03/31/2019
     ALXN45,000$6,083 03/31/2019
Congress Asset Management Co. MA44,901$6,070 03/31/2019
     ALXN44,901$6,070 03/31/2019
DNB Asset Management AS45,269$5,929 06/30/2019
     ALXN45,269$5,929 06/30/2019
Tredje AP fonden43,740$5,913 03/31/2019
     ALXN43,740$5,913 03/31/2019
Texas Permanent School Fund43,475$5,877 03/31/2019
     ALXN43,475$5,877 03/31/2019
Norinchukin Bank The43,052$5,820 03/31/2019
     ALXN43,052$5,820 03/31/2019
Bank of Nova Scotia42,590$5,758 03/31/2019
     ALXN42,590$5,758 03/31/2019
Public Employees Retirement Association of Colorado42,423$5,735 03/31/2019
     ALXN42,423$5,735 03/31/2019
Xact Kapitalforvaltning AB43,425$5,688 06/30/2019
     ALXN43,425$5,688 06/30/2019
GAM Holding AG41,160$5,564 03/31/2019
     ALXN41,160$5,564 03/31/2019
Russell Investments Group Ltd.40,545$5,465 03/31/2019
     ALXN40,545$5,465 03/31/2019
Utah Retirement Systems40,426$5,464 03/31/2019
     ALXN40,426$5,464 03/31/2019
State of Alaska Department of Revenue40,020$5,407 03/31/2019
     ALXN40,020$5,407 03/31/2019
Metropolitan Life Insurance Co NY39,363$5,321 03/31/2019
     ALXN39,363$5,321 03/31/2019
Mn Services Vermogensbeheer B.V.38,355$5,185 03/31/2019
     ALXN38,355$5,185 03/31/2019
Nomura Asset Management Co. Ltd.37,805$5,111 03/31/2019
     ALXN37,805$5,111 03/31/2019
LPL Financial LLC37,775$5,107 03/31/2019
     ALXN37,775$5,107 03/31/2019
Meeder Asset Management Inc.37,743$5,103 03/31/2019
     ALXN37,743$5,103 03/31/2019
Salem Investment Counselors Inc.36,645$5,094 03/31/2019
     ALXN36,645$5,094 03/31/2019
Tokio Marine Asset Management Co. Ltd.36,396$4,920 03/31/2019
     ALXN36,396$4,920 03/31/2019
US Bancorp DE36,328$4,910 03/31/2019
     ALXN36,328$4,910 03/31/2019
Nordea Investment Management AB36,102$4,881 03/31/2019
     ALXN36,102$4,881 03/31/2019
Sio Capital Management LLC35,421$4,788 03/31/2019
     ALXN35,421$4,788 03/31/2019
Paloma Partners Management Co $4,770 03/31/2019
     ALXN28,382$3,837 03/31/2019
     Call20,700$2,798 03/31/2019
     Put13,800$1,865 03/31/2019
Stralem & Co. Inc.36,155$4,736 06/30/2019
     ALXN36,155$4,736 06/30/2019
Northwestern Mutual Investment Management Company LLC33,956$4,590 03/31/2019
     ALXN33,956$4,590 03/31/2019
Bank of The West34,841$4,563 06/30/2019
     ALXN34,841$4,563 06/30/2019
Banco Santander S.A.32,993$4,460 03/31/2019
     ALXN32,993$4,460 03/31/2019
L & S Advisors Inc32,881$4,445 03/31/2019
     ALXN32,881$4,445 03/31/2019
Pacer Advisors Inc.32,434$4,384 03/31/2019
     ALXN32,434$4,384 03/31/2019
Mason Street Advisors LLC31,881$4,310 03/31/2019
     ALXN31,881$4,310 03/31/2019
Bender Robert & Associates31,663$4,280 03/31/2019
     ALXN31,663$4,280 03/31/2019
Banque Pictet & Cie SA31,660$4,280 03/31/2019
     ALXN31,660$4,280 03/31/2019
Amalgamated Bank31,416$4,247 03/31/2019
     ALXN31,416$4,247 03/31/2019
Moody National Bank Trust Division30,826$4,167 03/31/2019
     ALXN30,826$4,167 03/31/2019
Prelude Capital Management LLC $4,055 03/31/2019
     Call30,000$4,055 03/31/2019
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.29,985$4,053 03/31/2019
     ALXN29,985$4,053 03/31/2019
Mutual of America Capital Management LLC29,572$3,998 03/31/2019
     ALXN29,572$3,998 03/31/2019
Los Angeles Capital Management & Equity Research Inc.29,311$3,962 03/31/2019
     ALXN29,311$3,962 03/31/2019
American National Insurance Co. TX29,050$3,927 03/31/2019
     ALXN29,050$3,927 03/31/2019
Cubist Systematic Strategies LLC28,385$3,837 03/31/2019
     ALXN28,385$3,837 03/31/2019
Stevens Capital Management LP28,018$3,787 03/31/2019
     ALXN28,018$3,787 03/31/2019
Calamos Wealth Management LLC27,510$3,719 03/31/2019
     ALXN27,510$3,719 03/31/2019
Flaharty Asset Management LLC27,117$3,666 03/31/2019
     ALXN27,117$3,666 03/31/2019
Nissay Asset Management Corp Japan ADV26,829$3,627 03/31/2019
     ALXN26,829$3,627 03/31/2019
Tuscan Ridge Asset Management LLC $3,609 03/31/2019
     Call30,700$4,150 03/31/2019
     Put4,000$541 03/31/2019
Ingalls & Snyder LLC27,444$3,595 06/30/2019
     ALXN27,444$3,595 06/30/2019
Silvant Capital Management LLC26,324$3,559 03/31/2019
     ALXN26,324$3,559 03/31/2019
TT International25,625$3,463 03/31/2019
     ALXN25,625$3,463 03/31/2019
NN Investment Partners Holdings N.V.26,262$3,440 06/30/2019
     ALXN26,262$3,440 06/30/2019
Hudson Bay Capital Management LP25,000$3,380 03/31/2019
     ALXN25,000$3,380 03/31/2019
Natixis Advisors L.P.24,274$3,281 03/31/2019
     ALXN24,274$3,281 03/31/2019
Hartford Investment Management Co.24,203$3,272 03/31/2019
     ALXN24,203$3,272 03/31/2019
Securian Asset Management Inc23,398$3,163 03/31/2019
     ALXN23,398$3,163 03/31/2019
Man Group plc23,182$3,133 03/31/2019
     ALXN23,182$3,133 03/31/2019
Oregon Public Employees Retirement Fund23,741$3,110 06/30/2019
     ALXN23,741$3,110 06/30/2019
BP PLC22,000$2,973 03/31/2019
     ALXN22,000$2,973 03/31/2019
Redpoint Investment Management Pty Ltd21,599$2,920 03/31/2019
     ALXN21,599$2,920 03/31/2019
Stephens Investment Management Group LLC21,159$2,860 03/31/2019
     ALXN21,159$2,860 03/31/2019
Suntrust Banks Inc.21,027$2,843 03/31/2019
     ALXN21,027$2,843 03/31/2019
BlueMountain Capital Management LLC20,522$2,774 03/31/2019
     ALXN20,522$2,774 03/31/2019
Waddell & Reed Financial Inc.20,100$2,717 03/31/2019
     ALXN20,100$2,717 03/31/2019
Shell Asset Management Co.20,094$2,716 03/31/2019
     ALXN20,094$2,716 03/31/2019
Janney Montgomery Scott LLC20,094$2,716 03/31/2019
     ALXN20,094$2,716 03/31/2019
Raymond James Financial Services Advisors Inc.20,055$2,711 03/31/2019
     ALXN20,055$2,711 03/31/2019
Hussman Strategic Advisors Inc.20,000$2,704 03/31/2019
     ALXN20,000$2,704 03/31/2019
Cerity Partners LLC19,541$2,642 03/31/2019
     ALXN19,541$2,642 03/31/2019
Bremer Bank National Association19,008$2,588 03/31/2019
     ALXN19,008$2,588 03/31/2019
Penserra Capital Management LLC18,975$2,583 03/31/2019
     ALXN18,975$2,583 03/31/2019
Morris Capital Advisors LLC19,625$2,570 06/30/2019
     ALXN19,625$2,570 06/30/2019
Magnetar Financial LLC19,000$2,568 03/31/2019
     ALXN19,000$2,568 03/31/2019
Odey Asset Management Group Ltd18,898$2,555 03/31/2019
     ALXN18,898$2,555 03/31/2019
Public Sector Pension Investment Board18,711$2,529 03/31/2019
     ALXN18,711$2,529 03/31/2019
Advisors Asset Management Inc.18,702$2,528 03/31/2019
     ALXN18,702$2,528 03/31/2019
New Mexico Educational Retirement Board18,600$2,514 03/31/2019
     ALXN18,600$2,514 03/31/2019
Emory University18,429$2,491 03/31/2019
     ALXN18,429$2,491 03/31/2019
Mitsubishi UFJ Asset Management UK Ltd.19,000$2,489 06/30/2019
     ALXN19,000$2,489 06/30/2019
Brown Advisory Inc.18,111$2,448 03/31/2019
     ALXN18,111$2,448 03/31/2019
CENTRAL TRUST Co20,075$2,439 06/30/2019
     ALXN20,075$2,439 06/30/2019
Andra AP fonden17,900$2,420 03/31/2019
     ALXN17,900$2,420 03/31/2019
Tudor Investment Corp Et Al17,655$2,387 03/31/2019
     ALXN17,655$2,387 03/31/2019
Pillar Pacific Capital Management LLC17,360$2,346 03/31/2019
     ALXN17,360$2,346 03/31/2019
Eqis Capital Management Inc.17,732$2,323 06/30/2019
     ALXN17,732$2,323 06/30/2019
M&T Bank Corp16,771$2,268 03/31/2019
     ALXN16,771$2,268 03/31/2019
Federated Investors Inc. PA16,657$2,252 03/31/2019
     ALXN16,657$2,252 03/31/2019
DE Burlo Group Inc.16,560$2,238 03/31/2019
     ALXN16,560$2,238 03/31/2019
Piedmont Investment Advisors Inc.16,469$2,226 03/31/2019
     ALXN16,469$2,226 03/31/2019
Oppenheimer & Co. Inc.16,358$2,211 03/31/2019
     ALXN16,358$2,211 03/31/2019
Crossmark Global Holdings Inc.16,863$2,209 06/30/2019
     ALXN16,863$2,209 06/30/2019
Westpac Banking Corp15,978$2,160 03/31/2019
     ALXN15,978$2,160 03/31/2019
Wolverine Trading LLC $2,150 03/31/2019
     Call34,900$4,718 03/31/2019
     Put19,000$2,568 03/31/2019
Private Trust Co. NA16,054$2,102 06/30/2019
     ALXN16,054$2,102 06/30/2019
IFM Investors Pty Ltd15,994$2,095 06/30/2019
     ALXN15,994$2,095 06/30/2019
Rational Advisors LLC15,366$2,078 03/31/2019
     ALXN15,366$2,078 03/31/2019
Cornercap Investment Counsel Inc.15,320$2,071 03/31/2019
     ALXN15,320$2,071 03/31/2019
Sumitomo Mitsui Asset Management Company LTD15,282$2,065 03/31/2019
     ALXN15,282$2,065 03/31/2019
Tuttle Tactical Management15,243$2,061 03/31/2019
     ALXN15,243$2,061 03/31/2019
ETRADE Capital Management LLC15,191$2,054 03/31/2019
     ALXN15,191$2,054 03/31/2019
DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main15,000$2,028 03/31/2019
     ALXN15,000$2,028 03/31/2019
World Asset Management Inc14,560$1,968 03/31/2019
     ALXN14,560$1,968 03/31/2019
Citizens & Northern Corp14,008$1,894 03/31/2019
     ALXN14,008$1,894 03/31/2019
Dupont Capital Management Corp13,955$1,886 03/31/2019
     ALXN13,955$1,886 03/31/2019
Kazazian Asset Management LLC13,885$1,877 03/31/2019
     ALXN13,885$1,877 03/31/2019
Rockefeller Capital Management L.P.13,772$1,862 03/31/2019
     ALXN13,772$1,862 03/31/2019
Pinnacle Associates Ltd.13,650$1,845 03/31/2019
     ALXN13,650$1,845 03/31/2019
ETF Managers Group LLC13,652$1,845 03/31/2019
     ALXN13,652$1,845 03/31/2019
Altman Advisors Inc.13,754$1,801 06/30/2019
     ALXN13,754$1,801 06/30/2019
Richard Bernstein Advisors LLC13,199$1,784 03/31/2019
     ALXN13,199$1,784 03/31/2019
Sentry Investment Management LLC13,103$1,771 03/31/2019
     ALXN13,103$1,771 03/31/2019
Commonwealth of Pennsylvania Public School Empls Retrmt SYS13,065$1,766 03/31/2019
     ALXN13,065$1,766 03/31/2019
Verition Fund Management LLC12,674$1,713 03/31/2019
     ALXN12,674$1,713 03/31/2019
Wellington Management Group LLP12,664$1,711 03/31/2019
     ALXN12,664$1,711 03/31/2019
Creative Planning $1,681 03/31/2019
     ALXN12,438$1,681 03/31/2019
     Call200$0 03/31/2019
Neuburgh Advisers LLC12,308$1,664 03/31/2019
     ALXN12,308$1,664 03/31/2019
Walleye Trading Advisors LLC $1,649 03/31/2019
     Call16,300$2,203 03/31/2019
     Put4,300$581 03/31/2019
     ALXN200$27 03/31/2019
Daiwa Securities Group Inc.12,070$1,632 03/31/2019
     ALXN12,070$1,632 03/31/2019
NJ State Employees Deferred Compensation Plan12,000$1,622 03/31/2019
     ALXN12,000$1,622 03/31/2019
Tealwood Asset Management Inc.11,860$1,603 03/31/2019
     ALXN11,860$1,603 03/31/2019
Oakbrook Investments LLC12,225$1,601 06/30/2019
     ALXN12,225$1,601 06/30/2019
Caisse DE Depot ET Placement DU Quebec11,524$1,558 03/31/2019
     ALXN11,524$1,558 03/31/2019
Actinver Wealth Management Inc.11,368$1,537 03/31/2019
     ALXN11,368$1,537 03/31/2019
361 Capital LLC10,796$1,459 03/31/2019
     ALXN10,796$1,459 03/31/2019
Stephens Inc. AR10,724$1,450 03/31/2019
     ALXN10,724$1,450 03/31/2019
Vision Capital Management Inc.10,369$1,402 03/31/2019
     ALXN10,369$1,402 03/31/2019
Flinton Capital Management LLC10,136$1,370 03/31/2019
     ALXN10,136$1,370 03/31/2019
Brinker Capital Inc.10,076$1,362 03/31/2019
     ALXN10,076$1,362 03/31/2019
Louisiana State Employees Retirement System11,200$1,353 06/30/2019
     ALXN11,200$1,353 06/30/2019
Employees Retirement System of Texas10,000$1,352 03/31/2019
     ALXN10,000$1,352 03/31/2019
Thrivent Financial for Lutherans9,977$1,349 03/31/2019
     ALXN9,977$1,349 03/31/2019
Opus Point Partners Management LLC9,927$1,342 03/31/2019
     ALXN9,927$1,342 03/31/2019
Hills Bank & Trust Co.9,561$1,253 06/30/2019
     ALXN9,561$1,253 06/30/2019
QS Investors LLC9,242$1,250 03/31/2019
     ALXN9,242$1,250 03/31/2019
Investec Asset Management PTY Ltd9,299$1,245 03/31/2019
     ALXN9,299$1,245 03/31/2019
Leavell Investment Management Inc.9,450$1,238 06/30/2019
     ALXN9,450$1,238 06/30/2019
Gateway Investment Advisers LLC9,402$1,231 06/30/2019
     ALXN9,402$1,231 06/30/2019
Advisor Group Inc.9,080$1,228 03/31/2019
     ALXN9,080$1,228 03/31/2019
BNP PARIBAS ASSET MANAGEMENT Holding S.A.9,031$1,221 03/31/2019
     ALXN9,031$1,221 03/31/2019
Allstate Corp8,925$1,206 03/31/2019
     ALXN8,925$1,206 03/31/2019
Windsor Creek Advisors LLC8,700$1,180 03/31/2019
     ALXN8,700$1,180 03/31/2019
Riverhead Capital Management LLC8,630$1,167 03/31/2019
     ALXN8,630$1,167 03/31/2019
Investment Management of Virginia LLC8,402$1,136 03/31/2019
     ALXN8,402$1,136 03/31/2019
Meiji Yasuda Asset Management Co Ltd.8,365$1,131 03/31/2019
     ALXN8,365$1,131 03/31/2019
Oppenheimer Asset Management Inc.8,287$1,120 03/31/2019
     ALXN8,287$1,120 03/31/2019
Freestone Capital Holdings LLC8,134$1,100 03/31/2019
     ALXN8,134$1,100 03/31/2019
Reliance Trust Co. of Delaware8,105$1,095 03/31/2019
     ALXN8,105$1,095 03/31/2019
Meiji Yasuda Life Insurance Co8,065$1,090 03/31/2019
     ALXN8,065$1,090 03/31/2019
Ameritas Investment Partners Inc.8,053$1,089 03/31/2019
     ALXN8,053$1,089 03/31/2019
Quantitative Investment Management LLC8,000$1,081 03/31/2019
     ALXN8,000$1,081 03/31/2019
Tyers Asset Management LLC7,964$1,077 03/31/2019
     ALXN7,964$1,077 03/31/2019
Meag Munich Ergo Kapitalanlagegesellschaft MBH8,471$1,070 06/30/2019
     ALXN8,471$1,070 06/30/2019
Mariner LLC7,718$1,043 03/31/2019
     ALXN7,718$1,043 03/31/2019
AT Bancorp7,694$1,040 03/31/2019
     ALXN7,694$1,040 03/31/2019
Glenmede Trust Co. NA7,532$1,017 03/31/2019
     ALXN7,532$1,017 03/31/2019
CWM Advisors LLC7,641$1,001 06/30/2019
     ALXN7,641$1,001 06/30/2019
Texas Children s7,389$999 03/31/2019
     ALXN7,389$999 03/31/2019
Gradient Investments LLC7,566$991 06/30/2019
     ALXN7,566$991 06/30/2019
MML Investors Services LLC7,192$972 03/31/2019
     ALXN7,192$972 03/31/2019
Group One Trading L.P. $960 03/31/2019
     Call7,100$960 03/31/2019
Gamco Investors INC. ET AL7,000$946 03/31/2019
     ALXN7,000$946 03/31/2019
Gotham Asset Management LLC6,975$943 03/31/2019
     ALXN6,975$943 03/31/2019
First Quadrant L P CA6,909$934 03/31/2019
     ALXN6,909$934 03/31/2019
United Bank6,876$929 03/31/2019
     ALXN6,876$929 03/31/2019
JGP Global Gestao de Recursos Ltda.6,837$924 03/31/2019
     ALXN6,837$924 03/31/2019
C M Bidwell & Associates Ltd.6,830$923 03/31/2019
     ALXN6,830$923 03/31/2019
Boltwood Capital Management7,030$921 06/30/2019
     ALXN7,030$921 06/30/2019
Cambridge Investment Research Advisors Inc.6,773$916 03/31/2019
     ALXN6,773$916 03/31/2019
Commonwealth Equity Services LLC6,702$905 03/31/2019
     ALXN6,702$905 03/31/2019
LS Investment Advisors LLC6,689$904 03/31/2019
     ALXN6,689$904 03/31/2019
Landsberg Bennett & Dubbaneh LLC6,413$898 03/31/2019
     ALXN6,413$898 03/31/2019
Comerica Securities Inc.6,470$875 03/31/2019
     ALXN6,470$875 03/31/2019
Cigna Investments Inc. New6,382$863 03/31/2019
     ALXN6,382$863 03/31/2019
Nuveen Asset Management LLC6,298$851 03/31/2019
     ALXN6,298$851 03/31/2019
BB&T Securities LLC6,259$846 03/31/2019
     ALXN6,259$846 03/31/2019
BB&T Corp6,199$838 03/31/2019
     ALXN6,199$838 03/31/2019
Everence Capital Management Inc.6,163$833 03/31/2019
     ALXN6,163$833 03/31/2019
Achmea Investment Management B.V.6,036$816 03/31/2019
     ALXN6,036$816 03/31/2019
Sequent Asset Management LLC6,000$811 03/31/2019
     ALXN6,000$811 03/31/2019
Glen Harbor Capital Management LLC5,792$783 03/31/2019
     ALXN5,792$783 03/31/2019
Wedbush Securities Inc.5,698$770 03/31/2019
     ALXN5,698$770 03/31/2019
Israel Discount Bank of New York5,684$769 03/31/2019
     ALXN5,684$769 03/31/2019
Nomura Holdings Inc.5,600$758 03/31/2019
     ALXN5,600$758 03/31/2019
Level Four Advisory Services LLC5,487$743 03/31/2019
     ALXN5,487$743 03/31/2019
Landscape Capital Management L.L.C.5,435$735 03/31/2019
     ALXN5,435$735 03/31/2019
Kovitz Investment Group Partners LLC5,438$735 03/31/2019
     ALXN5,438$735 03/31/2019
Green Square Asset Management LLC5,166$698 03/31/2019
     ALXN5,166$698 03/31/2019
AGF Investments Inc.5,076$686 03/31/2019
     ALXN5,076$686 03/31/2019
Two Sigma Securities LLC $676 03/31/2019
     Call9,300$1,257 03/31/2019
     Put4,300$581 03/31/2019
Qube Research & Technologies Ltd4,877$659 03/31/2019
     ALXN4,877$659 03/31/2019
Covenant Asset Management LLC4,898$642 06/30/2019
     ALXN4,898$642 06/30/2019
Dynamic Technology Lab Private Ltd4,715$637 03/31/2019
     ALXN4,715$637 03/31/2019
HighTower Advisors LLC4,618$628 03/31/2019
     ALXN4,618$628 03/31/2019
Hartz Capital Inc.4,585$620 03/31/2019
     ALXN4,585$620 03/31/2019
Fox Run Management L.L.C.4,615$604 06/30/2019
     ALXN4,615$604 06/30/2019
Veritable L.P.4,452$602 03/31/2019
     ALXN4,452$602 03/31/2019
Cim Investment Mangement Inc.4,224$571 03/31/2019
     ALXN4,224$571 03/31/2019
Connor Clark & Lunn Investment Management Ltd.4,215$570 03/31/2019
     ALXN4,215$570 03/31/2019
CNB Bank4,167$564 03/31/2019
     ALXN4,167$564 03/31/2019
Hancock Whitney Corp4,085$552 03/31/2019
     ALXN4,085$552 03/31/2019
PICTET BANK & TRUST Ltd4,050$547 03/31/2019
     ALXN4,050$547 03/31/2019
First Republic Investment Management Inc.4,038$546 03/31/2019
     ALXN4,038$546 03/31/2019
Grandfield & Dodd LLC4,028$545 03/31/2019
     ALXN4,028$545 03/31/2019
Tower Research Capital LLC TRC 4,020$543 03/31/2019
     ALXN4,020$543 03/31/2019
Conning Inc.4,000$541 03/31/2019
     ALXN4,000$541 03/31/2019
PointState Capital LP4,000$539 03/31/2019
     ALXN4,000$539 03/31/2019
Ladenburg Thalmann Financial Services Inc.3,917$531 03/31/2019
     ALXN3,917$531 03/31/2019
Colony Group LLC3,775$510 03/31/2019
     ALXN3,775$510 03/31/2019
Cleararc Capital Inc.3,729$504 03/31/2019
     ALXN3,729$504 03/31/2019
Wetherby Asset Management Inc.3,714$502 03/31/2019
     ALXN3,714$502 03/31/2019
Covenant Partners LLC3,713$502 03/31/2019
     ALXN3,713$502 03/31/2019
FTB Advisors Inc.3,690$499 03/31/2019
     ALXN3,690$499 03/31/2019
Tiverton Asset Management LLC3,667$496 03/31/2019
     ALXN3,667$496 03/31/2019
American National Registered Investment Advisor Inc.3,640$492 03/31/2019
     ALXN3,640$492 03/31/2019
Intact Investment Management Inc.3,600$487 03/31/2019
     ALXN3,600$487 03/31/2019
Ardsley Advisory Partners LP3,500$473 03/31/2019
     ALXN3,500$473 03/31/2019
Philadelphia Trust Co.3,500$473 03/31/2019
     ALXN3,500$473 03/31/2019
American Assets Investment Management LLC3,500$466 03/31/2019
     ALXN3,500$466 03/31/2019
Bienville Capital Management LLC3,421$462 03/31/2019
     ALXN3,421$462 03/31/2019
Asahi Life Asset Management CO. LTD.3,310$447 03/31/2019
     ALXN3,310$447 03/31/2019
Juncture Wealth Strategies LLC3,406$446 06/30/2019
     ALXN3,406$446 06/30/2019
IBM Retirement Fund3,289$445 03/31/2019
     ALXN3,289$445 03/31/2019
Vestmark Advisory Solutions Inc.3,242$438 03/31/2019
     ALXN3,242$438 03/31/2019
Northwestern Mutual Wealth Management Co.3,199$432 03/31/2019
     ALXN3,199$432 03/31/2019
Nicolet Bankshares Inc.3,104$420 03/31/2019
     ALXN3,104$420 03/31/2019
B.S. Pension Fund Trustee Ltd acting for the British Steel Pension Fund3,100$419 03/31/2019
     ALXN3,100$419 03/31/2019
Private Advisor Group LLC3,066$414 03/31/2019
     ALXN3,066$414 03/31/2019
Barings LLC3,040$411 03/31/2019
     ALXN3,040$411 03/31/2019
Municipal Employees Retirement System of Michigan3,020$408 03/31/2019
     ALXN3,020$408 03/31/2019
Canandaigua National Bank & Trust Co.2,996$405 03/31/2019
     ALXN2,996$405 03/31/2019
Parallel Advisors LLC2,875$389 03/31/2019
     ALXN2,875$389 03/31/2019
Seeyond2,798$378 03/31/2019
     ALXN2,798$378 03/31/2019
Wealthfront Advisers LLC2,792$377 03/31/2019
     ALXN2,792$377 03/31/2019
Cetera Advisor Networks LLC2,716$370 03/31/2019
     ALXN2,716$370 03/31/2019
Verity Asset Management Inc.2,730$369 03/31/2019
     ALXN2,730$369 03/31/2019
Rampart Investment Management Company LLC2,724$368 03/31/2019
     ALXN2,724$368 03/31/2019
OppenheimerFunds Inc.2,699$365 03/31/2019
     ALXN2,699$365 03/31/2019
Regions Financial Corp2,700$364 03/31/2019
     ALXN2,700$364 03/31/2019
Rathbone Brothers plc2,660$360 03/31/2019
     ALXN2,660$360 03/31/2019
MBM Wealth Consultants LLC2,662$360 03/31/2019
     ALXN2,662$360 03/31/2019
First Hawaiian Bank2,741$359 06/30/2019
     ALXN2,741$359 06/30/2019
Commerce Bank2,621$355 03/31/2019
     ALXN2,621$355 03/31/2019
Meridian Wealth Management LLC2,536$343 03/31/2019
     ALXN2,536$343 03/31/2019
Raymond James Trust N.A.2,611$342 06/30/2019
     ALXN2,611$342 06/30/2019
Pitcairn Co.2,508$339 03/31/2019
     ALXN2,508$339 03/31/2019
AlphaCrest Capital Management LLC2,488$336 03/31/2019
     ALXN2,488$336 03/31/2019
Stratos Wealth Advisors LLC2,473$334 03/31/2019
     ALXN2,473$334 03/31/2019
Lombard Odier Asset Management Europe Ltd2,462$333 03/31/2019
     ALXN2,462$333 03/31/2019
Roman Butler Fullerton & Co.2,450$331 03/31/2019
     ALXN2,450$331 03/31/2019
Private Capital Group LLC2,412$326 03/31/2019
     ALXN2,412$326 03/31/2019
IMC Chicago LLC $325 03/31/2019
     Call25,200$3,407 03/31/2019
     Put22,800$3,082 03/31/2019
Advisor Partners LLC2,382$322 03/31/2019
     ALXN2,382$322 03/31/2019
Arrow Financial Corp2,300$311 03/31/2019
     ALXN2,300$311 03/31/2019
McKinley Carter Wealth Services Inc.2,300$311 03/31/2019
     ALXN2,300$311 03/31/2019
Rehmann Capital Advisory Group2,293$310 03/31/2019
     ALXN2,293$310 03/31/2019
Synovus Financial Corp2,202$298 03/31/2019
     ALXN2,202$298 03/31/2019
Globeflex Capital L P2,200$297 03/31/2019
     ALXN2,200$297 03/31/2019
Atria Investments LLC2,197$297 03/31/2019
     ALXN2,197$297 03/31/2019
Oakworth Capital Inc.2,200$297 03/31/2019
     ALXN2,200$297 03/31/2019
National Asset Management Inc.2,175$295 03/31/2019
     ALXN2,175$295 03/31/2019
Alpha Quant Advisors LLC2,155$291 03/31/2019
     ALXN2,155$291 03/31/2019
D.A. Davidson & CO.2,235$289 03/31/2019
     ALXN2,235$289 03/31/2019
Lido Advisors LLC2,130$287 03/31/2019
     ALXN2,130$287 03/31/2019
Osborn Williams & Donohoe LLC2,058$283 03/31/2019
     ALXN2,058$283 03/31/2019
Putnam Investments LLC2,077$281 03/31/2019
     ALXN2,077$281 03/31/2019
Chicago Equity Partners LLC2,060$278 03/31/2019
     ALXN2,060$278 03/31/2019
King Wealth2,050$277 03/31/2019
     ALXN2,050$277 03/31/2019
Weiss Multi Strategy Advisers LLC2,000$270 03/31/2019
     ALXN2,000$270 03/31/2019
Livforsakringsbolaget Skandia Omsesidigt1,972$267 03/31/2019
     ALXN1,972$267 03/31/2019
Schonfeld Strategic Advisors LLC1,975$267 03/31/2019
     ALXN1,975$267 03/31/2019
Huntington National Bank1,969$265 03/31/2019
     ALXN1,969$265 03/31/2019
Campbell & CO Investment Adviser LLC2,018$264 06/30/2019
     ALXN2,018$264 06/30/2019
HBK Investments L P1,948$263 03/31/2019
     ALXN1,948$263 03/31/2019
Intrust Bank NA1,934$262 03/31/2019
     ALXN1,934$262 03/31/2019
Community Capital Management Inc.1,886$255 03/31/2019
     ALXN1,886$255 03/31/2019
People s United Financial Inc.1,859$252 03/31/2019
     ALXN1,859$252 03/31/2019
Elk Creek Partners LLC1,866$252 03/31/2019
     ALXN1,866$252 03/31/2019
Quantamental Technologies LLC1,837$248 03/31/2019
     ALXN1,837$248 03/31/2019
Horizon Investments LLC1,824$247 03/31/2019
     ALXN1,824$247 03/31/2019
AJO LP1,785$241 03/31/2019
     ALXN1,785$241 03/31/2019
Miles Capital Inc.1,786$241 03/31/2019
     ALXN1,786$241 03/31/2019
Capital Analysts LLC1,769$239 03/31/2019
     ALXN1,769$239 03/31/2019
Bbva Compass Bancshares Inc.1,737$235 03/31/2019
     ALXN1,737$235 03/31/2019
Pictet & Cie Europe SA1,705$230 03/31/2019
     ALXN1,705$230 03/31/2019
Fort Washington Investment Advisors Inc. OH1,699$229 03/31/2019
     ALXN1,699$229 03/31/2019
Ferris Capital LLC1,727$226 06/30/2019
     ALXN1,727$226 06/30/2019
Integrated Wealth Concepts LLC1,651$223 03/31/2019
     ALXN1,651$223 03/31/2019
Ameritas Investment Corp1,611$218 03/31/2019
     ALXN1,611$218 03/31/2019
Financial Gravity Wealth Inc.1,612$218 03/31/2019
     ALXN1,612$218 03/31/2019
Mercer Global Advisors Inc. ADV1,592$215 03/31/2019
     ALXN1,592$215 03/31/2019
We Are One Seven LLC1,586$207 06/30/2019
     ALXN1,586$207 06/30/2019
OLD National Bancorp IN1,542$202 06/30/2019
     ALXN1,542$202 06/30/2019
Fieldpoint Private Securities LLC1,364$184 03/31/2019
     ALXN1,364$184 03/31/2019
Edge Wealth Management LLC1,408$182 06/30/2019
     ALXN1,408$182 06/30/2019
Valeo Financial Advisors LLC1,270$166 06/30/2019
     ALXN1,270$166 06/30/2019
Lucia Wealth Services LLC1,128$152 03/31/2019
     ALXN1,128$152 03/31/2019
Fifth Third Bancorp1,107$150 03/31/2019
     ALXN1,107$150 03/31/2019
FUKOKU MUTUAL LIFE INSURANCE Co1,100$149 03/31/2019
     ALXN1,100$149 03/31/2019
Advantage Investment Management LLC1,075$145 03/31/2019
     ALXN1,075$145 03/31/2019
Benjamin F. Edwards & Company Inc.900$122 03/31/2019
     ALXN900$122 03/31/2019
Shine Investment Advisory Services Inc.897$121 03/31/2019
     ALXN897$121 03/31/2019
Exane Derivatives902$118 06/30/2019
     ALXN902$118 06/30/2019
Bessemer Group Inc.876$118 03/31/2019
     ALXN876$118 03/31/2019
Assetmark Inc.871$118 03/31/2019
     ALXN871$118 03/31/2019
Quadrant Capital Group LLC890$115 03/31/2019
     ALXN890$115 03/31/2019
Columbia Asset Management821$111 03/31/2019
     ALXN821$111 03/31/2019
Signaturefd LLC726$98 03/31/2019
     ALXN726$98 03/31/2019
Avestar Capital LLC836$98 03/31/2019
     ALXN836$98 03/31/2019
Captrust Financial Advisors711$96 03/31/2019
     ALXN711$96 03/31/2019
YorkBridge Wealth Partners LLC704$92 06/30/2019
     ALXN704$92 06/30/2019
Guardian Life Insurance Co. of America644$87 03/31/2019
     ALXN644$87 03/31/2019
Cresset Asset Management LLC633$86 03/31/2019
     ALXN633$86 03/31/2019
SeaCrest Wealth Management LLC572$77 03/31/2019
     ALXN572$77 03/31/2019
HMS Capital Management LLC579$76 06/30/2019
     ALXN579$76 06/30/2019
Prime Capital Investment Advisors LLC550$74 03/31/2019
     ALXN550$74 03/31/2019
Proequities Inc. $73 03/31/2019
     ALXN544$73 03/31/2019
     Put0$0 03/31/2019
     Call0$0 03/31/2019
SevenBridge Financial Group LLC542$71 06/30/2019
     ALXN542$71 06/30/2019
Bronfman E.L. Rothschild L.P.527$71 03/31/2019
     ALXN527$71 03/31/2019
Flagship Harbor Advisors LLC500$67 03/31/2019
     ALXN500$67 03/31/2019
Covington Capital Management489$66 03/31/2019
     ALXN489$66 03/31/2019
Whittier Trust Co.472$64 03/31/2019
     ALXN472$64 03/31/2019
Harvest Fund Management Co. Ltd474$64 03/31/2019
     ALXN474$64 03/31/2019
Odey Holdings AG460$62 03/31/2019
     ALXN460$62 03/31/2019
FinTrust Capital Advisors LLC447$60 03/31/2019
     ALXN447$60 03/31/2019
Winslow Evans & Crocker Inc.416$58 03/31/2019
     ALXN416$58 03/31/2019
Credit Agricole S A400$54 03/31/2019
     ALXN400$54 03/31/2019
Institutional & Family Asset Management LLC307$42 03/31/2019
     ALXN307$42 03/31/2019
Berman Capital Advisors LLC322$42 03/31/2019
     ALXN322$42 03/31/2019
Commonwealth Bank of Australia318$41 03/31/2019
     ALXN318$41 03/31/2019
Paradigm Asset Management Co. LLC300$41 03/31/2019
     ALXN300$41 03/31/2019
WealthBridge Capital Management LLC310$41 03/31/2019
     ALXN310$41 03/31/2019
First Personal Financial Services286$39 03/31/2019
     ALXN286$39 03/31/2019
Cutler Group LP $37 03/31/2019
     Call1,000$31 03/31/2019
     ALXN100$13 03/31/2019
     Put1,500$7 03/31/2019
Dougherty Wealth Advisers LLC273$37 03/31/2019
     ALXN273$37 03/31/2019
NEXT Financial Group Inc276$36 06/30/2019
     ALXN276$36 06/30/2019
Proficio Capital Partners LLC266$36 03/31/2019
     ALXN266$36 03/31/2019
Mosaic Family Wealth LLC263$36 03/31/2019
     ALXN263$36 03/31/2019
Citizens Financial Group Inc RI260$35 03/31/2019
     ALXN260$35 03/31/2019
Mitsubishi UFJ Securities Holdings Co. Ltd.250$34 03/31/2019
     ALXN250$34 03/31/2019
Thor Advisors LLC248$34 03/31/2019
     ALXN248$34 03/31/2019
Pathstone Family Office LLC230$31 03/31/2019
     ALXN230$31 03/31/2019
San Francisco Sentry Investment Group CA222$30 03/31/2019
     ALXN222$30 03/31/2019
Advisory Services Network LLC212$29 03/31/2019
     ALXN212$29 03/31/2019
Cornerstone Advisors Inc.209$27 06/30/2019
     ALXN209$27 06/30/2019
MayTech Global Investments LLC200$27 03/31/2019
     ALXN200$27 03/31/2019
Liberty Wealth Management LLC204$27 03/31/2019
     ALXN204$27 03/31/2019
Investors Research Corp200$26 06/30/2019
     ALXN200$26 06/30/2019
Hudock Capital Group LLC182$24 03/31/2019
     ALXN182$24 03/31/2019
Lindbrook Capital LLC182$24 03/31/2019
     ALXN182$24 03/31/2019
Evolution Wealth Advisors LLC173$23 06/30/2019
     ALXN173$23 06/30/2019
Shelton Capital Management2,750$20 03/31/2019
     ALXN2,750$20 03/31/2019
Mark Sheptoff Financial Planning LLC150$20 03/31/2019
     ALXN150$20 03/31/2019
Webster Bank N. A.120$16 06/30/2019
     ALXN120$16 06/30/2019
RPG Investment Advisory LLC125$16 06/30/2019
     ALXN125$16 06/30/2019
CWM LLC111$15 03/31/2019
     ALXN111$15 03/31/2019
Optimum Investment Advisors100$14 03/31/2019
     ALXN100$14 03/31/2019
Farmers & Merchants Investments Inc.100$14 03/31/2019
     ALXN100$14 03/31/2019
Shamrock Asset Management LLC100$14 03/31/2019
     ALXN100$14 03/31/2019
Global Retirement Partners LLC101$14 03/31/2019
     ALXN101$14 03/31/2019
Earnest Partners LLC99$13 03/31/2019
     ALXN99$13 03/31/2019
Parkside Financial Bank & Trust95$13 03/31/2019
     ALXN95$13 03/31/2019
Resources Investment Advisors Inc.88$12 03/31/2019
     ALXN88$12 03/31/2019
CSat Investment Advisory L.P.79$11 03/31/2019
     ALXN79$11 03/31/2019
Jacobi Capital Management LLC78$11 03/31/2019
     ALXN78$11 03/31/2019
Hexavest Inc.77$10 06/30/2019
     ALXN77$10 06/30/2019
Gemmer Asset Management LLC77$10 06/30/2019
     ALXN77$10 06/30/2019
Brown Brothers Harriman & Co.73$10 03/31/2019
     ALXN73$10 03/31/2019
Financial Architects Inc71$10 03/31/2019
     ALXN71$10 03/31/2019
Acima Private Wealth LLC68$9 03/31/2019
     ALXN68$9 03/31/2019
CX Institutional58$8 06/30/2019
     ALXN58$8 06/30/2019
Capital Bank & Trust Co59$8 03/31/2019
     ALXN59$8 03/31/2019
Coastal Investment Advisors Inc.60$8 03/31/2019
     ALXN60$8 03/31/2019
Bartlett & Co. LLC50$7 03/31/2019
     ALXN50$7 03/31/2019
Hanson McClain Inc.50$7 03/31/2019
     ALXN50$7 03/31/2019
TCI Wealth Advisors Inc.50$7 03/31/2019
     ALXN50$7 03/31/2019
Alera Investment Advisors LLC49$7 03/31/2019
     ALXN49$7 03/31/2019
Kore Private Wealth LLC50$7 03/31/2019
     ALXN50$7 03/31/2019
First Command Bank43$6 06/30/2019
     ALXN43$6 06/30/2019
First Command Financial Services Inc.43$6 06/30/2019
     ALXN43$6 06/30/2019
Howe & Rusling Inc.44$6 03/31/2019
     ALXN44$6 03/31/2019
Executive Wealth Management LLC44$6 03/31/2019
     ALXN44$6 03/31/2019
Versant Capital Management Inc39$5 06/30/2019
     ALXN39$5 06/30/2019
Sandy Spring Bank38$5 03/31/2019
     ALXN38$5 03/31/2019
Tarbox Family Office Inc.34$5 03/31/2019
     ALXN34$5 03/31/2019
Patriot Financial Group Insurance Agency LLC38$5 03/31/2019
     ALXN38$5 03/31/2019
NuWave Investment Management LLC28$4 06/30/2019
     ALXN28$4 06/30/2019
MUFG Americas Holdings Corp30$4 03/31/2019
     ALXN30$4 03/31/2019
Plante Moran Financial Advisors LLC28$4 03/31/2019
     ALXN28$4 03/31/2019
IFP Advisors Inc34$4 03/31/2019
     ALXN34$4 03/31/2019
Front Row Advisors LLC32$4 03/31/2019
     ALXN32$4 03/31/2019
Legacy Financial Advisors Inc.31$4 03/31/2019
     ALXN31$4 03/31/2019
Cullen Frost Bankers Inc.19$3 03/31/2019
     ALXN19$3 03/31/2019
James Investment Research Inc.21$3 03/31/2019
     ALXN21$3 03/31/2019
Trust Co. of Vermont19$3 03/31/2019
     ALXN19$3 03/31/2019
Sonora Investment Management LLC20$3 03/31/2019
     ALXN20$3 03/31/2019
Hilton Capital Management LLC20$3 03/31/2019
     ALXN20$3 03/31/2019
Icon Wealth Partners LLC22$3 03/31/2019
     ALXN22$3 03/31/2019
Anderson Fisher LLC20$3 03/31/2019
     ALXN20$3 03/31/2019
First Interstate Bank15$2 03/31/2019
     ALXN15$2 03/31/2019
Tortoise Investment Management LLC12$2 03/31/2019
     ALXN12$2 03/31/2019
Lavaca Capital LLC12$2 03/31/2019
     ALXN12$2 03/31/2019
Wealthcare Advisory Partners LLC14$2 03/31/2019
     ALXN14$2 03/31/2019
BDO Wealth Advisors LLC13$2 03/31/2019
     ALXN13$2 03/31/2019
Providence Capital Advisors LLC12$2 03/31/2019
     ALXN12$2 03/31/2019
Lazard Asset Management LLC12$1 03/31/2019
     ALXN12$1 03/31/2019
Ironwood Financial llc9$1 03/31/2019
     ALXN9$1 03/31/2019
Glassman Wealth Services9$1 03/31/2019
     ALXN9$1 03/31/2019
PRW Wealth Management LLC5$1 03/31/2019
     ALXN5$1 03/31/2019
Enterprise Financial Services Corp3$0 03/31/2019
     ALXN3$0 03/31/2019
Whittier Trust Co. of Nevada Inc.3$0 03/31/2019
     ALXN3$0 03/31/2019
Advisory Alpha LLC3$0 03/31/2019
     ALXN3$0 03/31/2019
Compagnie Lombard Odier SCmA0$0 03/31/2019
     ALXN0$0 03/31/2019
Clear Investment Research LLC3$0 03/31/2019
     ALXN3$0 03/31/2019
Jefferies Group LLC $-129 03/31/2019
     Put9,000$1,217 03/31/2019
     Call5,000$676 03/31/2019
     ALXN3,046$412 03/31/2019
Twin Tree Management LP $-1,175 03/31/2019
     Put152,400$20,601 03/31/2019
     Call140,100$18,939 03/31/2019
     ALXN3,605$487 03/31/2019
Walleye Trading LLC $-3,505 03/31/2019
     Put59,800$8,084 03/31/2019
     Call31,200$4,218 03/31/2019
     ALXN2,672$361 03/31/2019
Arrowgrass Capital Partners US LP $-5,589 03/31/2019
     Put50,000$6,759 03/31/2019
     ALXN8,658$1,170 03/31/2019
Capstone Investment Advisors LLC $-5,745 03/31/2019
     Put55,300$7,475 03/31/2019
     Call12,800$1,730 03/31/2019
PEAK6 Investments LLC $-12,547 03/31/2019
     Put103,200$13,951 03/31/2019
     ALXN6,384$863 03/31/2019
     Call4,000$541 03/31/2019
Susquehanna International Group LLP307,900$-15,924 03/31/2019
     Put425,700$57,546 03/31/2019
     Call307,900$41,622 03/31/2019

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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