HoldingsChannel.com
Funds Holding ALXN
HolderAmountPosition Size
($ in 1000's)
 As of
FMR LLC19,594,530$1,919,087 09/30/2019
     ALXN19,594,530$1,919,087 09/30/2019
Vanguard Group Inc.16,849,189$1,650,210 09/30/2019
     ALXN16,849,189$1,650,210 09/30/2019
BlackRock Inc.15,958,534$1,562,979 09/30/2019
     ALXN15,958,534$1,562,979 09/30/2019
Price T Rowe Associates Inc. MD11,877,419$1,163,274 09/30/2019
     ALXN11,877,419$1,163,274 09/30/2019
State Street Corp10,870,182$1,064,626 09/30/2019
     ALXN10,870,182$1,064,626 09/30/2019
Baker BROS. Advisors LP8,258,068$808,795 09/30/2019
     ALXN8,258,068$808,795 09/30/2019
Clearbridge Investments LLC6,233,508$610,510 09/30/2019
     ALXN6,233,508$610,510 09/30/2019
Ameriprise Financial Inc.5,833,734$571,320 09/30/2019
     ALXN5,833,734$571,320 09/30/2019
Artisan Partners Limited Partnership4,852,435$475,247 09/30/2019
     ALXN4,852,435$475,247 09/30/2019
JPMorgan Chase & Co. $459,662 09/30/2019
     ALXN4,764,230$466,606 09/30/2019
     Put201,500$19,735 09/30/2019
     Call130,600$12,791 09/30/2019
Invesco Ltd.3,441,209$337,033 09/30/2019
     ALXN3,441,209$337,033 09/30/2019
Geode Capital Management LLC3,133,249$306,355 09/30/2019
     ALXN3,133,249$306,355 09/30/2019
Renaissance Technologies LLC2,849,667$279,096 09/30/2019
     ALXN2,849,667$279,096 09/30/2019
Northern Trust Corp2,805,749$274,794 09/30/2019
     ALXN2,805,749$274,794 09/30/2019
Swedbank2,653,574$259,891 09/30/2019
     ALXN2,653,574$259,891 09/30/2019
Goldman Sachs Group Inc. $244,323 09/30/2019
     ALXN2,504,531$245,293 09/30/2019
     Put24,900$2,439 09/30/2019
     Call15,000$1,469 09/30/2019
Jennison Associates LLC2,044,089$200,198 09/30/2019
     ALXN2,044,089$200,198 09/30/2019
Investec Asset Management LTD2,004,282$196,299 09/30/2019
     ALXN2,004,282$196,299 09/30/2019
Credit Suisse AG $193,743 09/30/2019
     ALXN1,995,190$195,408 09/30/2019
     Put24,500$2,400 09/30/2019
     Call7,500$735 09/30/2019
Wells Fargo & Company MN $188,900 09/30/2019
     ALXN1,928,779$188,905 09/30/2019
     Put300$5 09/30/2019
Bank of America Corp DE $185,858 09/30/2019
     ALXN2,023,173$198,150 09/30/2019
     Put130,600$12,791 09/30/2019
     Call5,100$499 09/30/2019
Iridian Asset Management LLC CT $174,093 09/30/2019
     ALXN1,774,350$173,780 09/30/2019
     Call3,200$313 09/30/2019
UBS Asset Management Americas Inc.1,673,550$163,907 09/30/2019
     ALXN1,673,550$163,907 09/30/2019
Bank of New York Mellon Corp1,663,806$162,954 09/30/2019
     ALXN1,663,806$162,954 09/30/2019
Orbimed Advisors LLC1,663,285$162,902 09/30/2019
     ALXN1,663,285$162,902 09/30/2019
D. E. Shaw & Co. Inc. $157,292 09/30/2019
     ALXN1,636,801$160,309 09/30/2019
     Put30,800$3,017 09/30/2019
Neuberger Berman Group LLC1,556,086$152,403 09/30/2019
     ALXN1,556,086$152,403 09/30/2019
Deutsche Bank AG1,509,705$147,853 09/30/2019
     ALXN1,509,705$147,853 09/30/2019
Partner Fund Management L.P.1,446,612$141,681 09/30/2019
     ALXN1,446,612$141,681 09/30/2019
AQR Capital Management LLC1,412,393$138,061 09/30/2019
     ALXN1,412,393$138,061 09/30/2019
Bellevue Group AG $133,951 09/30/2019
     ALXN1,366,528$133,838 09/30/2019
     Call150$113 09/30/2019
The Manufacturers Life Insurance Company 1,362,932$133,253 09/30/2019
     ALXN1,362,932$133,253 09/30/2019
Sound Shore Management Inc. CT1,348,591$132,081 09/30/2019
     ALXN1,348,591$132,081 09/30/2019
Charles Schwab Investment Management Inc.1,286,520$126,002 09/30/2019
     ALXN1,286,520$126,002 09/30/2019
Legal & General Group Plc1,276,910$125,063 09/30/2019
     ALXN1,276,910$125,063 09/30/2019
Nuveen Asset Management LLC1,220,793$119,565 09/30/2019
     ALXN1,220,793$119,565 09/30/2019
FIL Ltd1,203,905$117,911 09/30/2019
     ALXN1,203,905$117,911 09/30/2019
Franklin Resources Inc.1,165,739$114,173 09/30/2019
     ALXN1,165,739$114,173 09/30/2019
Redmile Group LLC1,162,200$113,826 09/30/2019
     ALXN1,162,200$113,826 09/30/2019
Alliancebernstein L.P.1,123,650$110,050 09/30/2019
     ALXN1,123,650$110,050 09/30/2019
Palo Alto Investors LP957,950$93,822 09/30/2019
     ALXN957,950$93,822 09/30/2019
Sumitomo Mitsui Trust Holdings Inc.940,444$92,107 09/30/2019
     ALXN940,444$92,107 09/30/2019
Pictet Asset Management Ltd.925,766$90,670 09/30/2019
     ALXN925,766$90,670 09/30/2019
Camber Capital Management LP850,000$83,249 09/30/2019
     ALXN850,000$83,249 09/30/2019
Citigroup Inc. $77,941 09/30/2019
     ALXN810,996$79,429 09/30/2019
     Put141,600$13,868 09/30/2019
     Call126,400$12,380 09/30/2019
Sei Investments Co.782,022$76,601 09/30/2019
     ALXN782,022$76,601 09/30/2019
Swiss National Bank740,531$72,528 09/30/2019
     ALXN740,531$72,528 09/30/2019
Dimensional Fund Advisors LP704,351$68,984 09/30/2019
     ALXN704,351$68,984 09/30/2019
AXA696,212$68,187 09/30/2019
     ALXN696,212$68,187 09/30/2019
New York State Common Retirement Fund672,174$65,833 09/30/2019
     ALXN672,174$65,833 09/30/2019
Prudential Financial Inc.672,103$65,825 09/30/2019
     ALXN672,103$65,825 09/30/2019
First Trust Advisors LP660,083$64,649 09/30/2019
     ALXN660,083$64,649 09/30/2019
Strs Ohio634,249$62,118 09/30/2019
     ALXN634,249$62,118 09/30/2019
UBS Group AG $61,083 09/30/2019
     ALXN587,877$57,577 09/30/2019
     Call35,800$3,506 09/30/2019
American Century Companies Inc.613,958$60,131 09/30/2019
     ALXN613,958$60,131 09/30/2019
Eaton Vance Management610,755$59,817 09/30/2019
     ALXN610,755$59,817 09/30/2019
Calamos Advisors LLC581,713$56,973 09/30/2019
     ALXN581,713$56,973 09/30/2019
Morgan Stanley581,273$56,929 09/30/2019
     ALXN581,273$56,929 09/30/2019
Adage Capital Partners GP L.L.C.566,962$55,528 09/30/2019
     ALXN566,962$55,528 09/30/2019
Millennium Management LLC $55,391 09/30/2019
     ALXN415,561$40,700 09/30/2019
     Call150,000$14,691 09/30/2019
Factory Mutual Insurance Co.555,000$54,357 09/30/2019
     ALXN555,000$54,357 09/30/2019
Man Group plc513,104$50,254 09/30/2019
     ALXN513,104$50,254 09/30/2019
Barclays PLC $49,951 09/30/2019
     ALXN588,830$57,669 09/30/2019
     Put174,000$17,042 09/30/2019
     Call95,200$9,324 09/30/2019
Worldquant Millennium Advisors LLC504,514$49,412 09/30/2019
     ALXN504,514$49,412 09/30/2019
Amundi Pioneer Asset Management Inc.494,685$48,449 09/30/2019
     ALXN494,685$48,449 09/30/2019
Bank of Montreal Can476,554$46,675 09/30/2019
     ALXN476,554$46,675 09/30/2019
Bridgewater Associates LP475,487$46,569 09/30/2019
     ALXN475,487$46,569 09/30/2019
Canada Pension Plan Investment Board470,362$46,067 09/30/2019
     ALXN470,362$46,067 09/30/2019
California Public Employees Retirement System469,855$46,018 09/30/2019
     ALXN469,855$46,018 09/30/2019
Tekla Capital Management LLC453,887$44,454 09/30/2019
     ALXN453,887$44,454 09/30/2019
TCW Group Inc.449,582$44,032 09/30/2019
     ALXN449,582$44,032 09/30/2019
Miller Value Partners LLC448,780$43,954 09/30/2019
     ALXN448,780$43,954 09/30/2019
Rhumbline Advisers445,363$43,619 09/30/2019
     ALXN445,363$43,619 09/30/2019
Point72 Asset Management L.P.419,241$41,060 09/30/2019
     ALXN419,241$41,060 09/30/2019
California State Teachers Retirement System389,638$38,161 09/30/2019
     ALXN389,638$38,161 09/30/2019
Hsbc Holdings PLC $36,699 09/30/2019
     ALXN357,708$35,034 09/30/2019
     Call36,800$3,604 09/30/2019
     Put19,800$1,939 09/30/2019
Baird Financial Group Inc.371,491$36,384 09/30/2019
     ALXN371,491$36,384 09/30/2019
Marshall Wace North America L.P.350,789$34,356 09/30/2019
     ALXN350,789$34,356 09/30/2019
Principal Financial Group Inc.339,031$33,204 09/30/2019
     ALXN339,031$33,204 09/30/2019
TD Asset Management Inc.332,880$32,602 09/30/2019
     ALXN332,880$32,602 09/30/2019
Polar Capital LLP325,000$31,831 09/30/2019
     ALXN325,000$31,831 09/30/2019
New York State Teachers Retirement System311,593$30,517 09/30/2019
     ALXN311,593$30,517 09/30/2019
Guggenheim Capital LLC310,120$30,373 09/30/2019
     ALXN310,120$30,373 09/30/2019
National Pension Service304,402$29,813 09/30/2019
     ALXN304,402$29,813 09/30/2019
Parametric Portfolio Associates LLC297,513$29,138 09/30/2019
     ALXN297,513$29,138 09/30/2019
State Board of Administration of Florida Retirement System293,826$28,777 09/30/2019
     ALXN293,826$28,777 09/30/2019
EULAV Asset Management272,200$26,659 09/30/2019
     ALXN272,200$26,659 09/30/2019
State of Michigan Retirement System269,878$26,432 09/30/2019
     ALXN269,878$26,432 09/30/2019
Krensavage Asset Management LLC255,000$24,975 09/30/2019
     ALXN255,000$24,975 09/30/2019
Rhenman & Partners Asset Management AB247,303$24,221 09/30/2019
     ALXN247,303$24,221 09/30/2019
Squarepoint Ops LLC235,969$23,111 09/30/2019
     ALXN235,969$23,111 09/30/2019
State of Wisconsin Investment Board234,870$23,003 09/30/2019
     ALXN234,870$23,003 09/30/2019
Raymond James & Associates229,501$22,477 09/30/2019
     ALXN229,501$22,477 09/30/2019
ProShare Advisors LLC227,166$22,249 09/30/2019
     ALXN227,166$22,249 09/30/2019
Schroder Investment Management Group223,812$21,882 09/30/2019
     ALXN223,812$21,882 09/30/2019
Investec Asset Management North America Inc.223,001$21,841 09/30/2019
     ALXN223,001$21,841 09/30/2019
Empire Life Investments Inc.212,875$20,849 09/30/2019
     ALXN212,875$20,849 09/30/2019
Teachers Retirement System of The State of Kentucky200,062$19,594 09/30/2019
     ALXN200,062$19,594 09/30/2019
Clark Capital Management Group Inc.199,309$19,520 09/30/2019
     ALXN199,309$19,520 09/30/2019
Chevy Chase Trust Holdings Inc.187,523$18,366 09/30/2019
     ALXN187,523$18,366 09/30/2019
Allianz Asset Management GmbH $18,117 09/30/2019
     ALXN206,050$20,174 09/30/2019
     Put26,200$2,566 09/30/2019
     Call5,200$509 09/30/2019
Phoenix Holdings Ltd.192,933$18,026 09/30/2019
     ALXN192,933$18,026 09/30/2019
Korea Investment CORP183,192$17,942 09/30/2019
     ALXN183,192$17,942 09/30/2019
Virginia Retirement Systems ET AL182,000$17,825 09/30/2019
     ALXN182,000$17,825 09/30/2019
Taurus Asset Management LLC180,010$17,630 09/30/2019
     ALXN180,010$17,630 09/30/2019
State of New Jersey Common Pension Fund D173,900$17,032 09/30/2019
     ALXN173,900$17,032 09/30/2019
Toronto Dominion Bank172,689$16,912 09/30/2019
     ALXN172,689$16,912 09/30/2019
Great West Life Assurance Co. Can169,304$16,588 09/30/2019
     ALXN169,304$16,588 09/30/2019
Mitsubishi UFJ Trust & Banking Corp169,123$16,535 09/30/2019
     ALXN169,123$16,535 09/30/2019
Janus Henderson Group PLC167,902$16,444 09/30/2019
     ALXN167,902$16,444 09/30/2019
State of Tennessee Treasury Department167,145$16,371 09/30/2019
     ALXN167,145$16,371 09/30/2019
Sphera Funds Management LTD.165,713$16,230 09/30/2019
     ALXN165,713$16,230 09/30/2019
Macquarie Group Ltd.165,178$16,178 09/30/2019
     ALXN165,178$16,178 09/30/2019
Hudson Bay Capital Management LP165,000$16,160 09/30/2019
     ALXN165,000$16,160 09/30/2019
Panagora Asset Management Inc.164,233$16,085 09/30/2019
     ALXN164,233$16,085 09/30/2019
Delek Group Ltd. $14,941 06/30/2019
     ALXN167,933$21,490 06/30/2019
     Put50,000$6,549 06/30/2019
Peregrine Capital Management LLC152,027$14,890 09/30/2019
     ALXN152,027$14,890 09/30/2019
Commerzbank Aktiengesellschaft FI149,034$14,596 09/30/2019
     ALXN149,034$14,596 09/30/2019
CIBC Private Wealth Group LLC145,671$14,268 09/30/2019
     ALXN145,671$14,268 09/30/2019
DekaBank Deutsche Girozentrale136,312$13,386 09/30/2019
     ALXN136,312$13,386 09/30/2019
Van ECK Associates Corp136,402$13,359 09/30/2019
     ALXN136,402$13,359 09/30/2019
Gotham Asset Management LLC136,039$13,324 09/30/2019
     ALXN136,039$13,324 09/30/2019
BNP Paribas Arbitrage SA $12,914 09/30/2019
     ALXN139,864$13,698 09/30/2019
     Put80$784 09/30/2019
Public Employees Retirement System of Ohio128,515$12,587 09/30/2019
     ALXN128,515$12,587 09/30/2019
Braun Stacey Associates Inc.125,111$12,253 09/30/2019
     ALXN125,111$12,253 09/30/2019
Envestnet Asset Management Inc.124,960$12,239 09/30/2019
     ALXN124,960$12,239 09/30/2019
Asset Management One Co. Ltd.123,271$12,075 09/30/2019
     ALXN123,271$12,075 09/30/2019
Assenagon Asset Management S.A.123,256$12,072 09/30/2019
     ALXN123,256$12,072 09/30/2019
Robeco Institutional Asset Management B.V.122,031$11,950 09/30/2019
     ALXN122,031$11,950 09/30/2019
Skandinaviska Enskilda Banken AB publ 120,807$11,832 09/30/2019
     ALXN120,807$11,832 09/30/2019
Magnetar Financial LLC118,049$11,562 09/30/2019
     ALXN118,049$11,562 09/30/2019
Vigilant Capital Management LLC117,575$11,515 09/30/2019
     ALXN117,575$11,515 09/30/2019
Victory Capital Management Inc.116,635$11,423 09/30/2019
     ALXN116,635$11,423 09/30/2019
AMP Capital Investors Ltd115,854$11,328 09/30/2019
     ALXN115,854$11,328 09/30/2019
MERIAN GLOBAL INVESTORS UK Ltd115,016$11,264 09/30/2019
     ALXN115,016$11,264 09/30/2019
Royal Bank of Canada113,036$11,072 09/30/2019
     ALXN113,036$11,072 09/30/2019
Stifel Financial Corp110,646$10,913 09/30/2019
     ALXN110,646$10,913 09/30/2019
Standard Life Aberdeen plc110,968$10,869 09/30/2019
     ALXN110,968$10,869 09/30/2019
Connor Clark & Lunn Investment Management Ltd.105,240$10,307 09/30/2019
     ALXN105,240$10,307 09/30/2019
Prudential PLC103,632$10,156 09/30/2019
     ALXN103,632$10,156 09/30/2019
International Biotechnology Trust PLC102,141$10,002 09/30/2019
     ALXN102,141$10,002 09/30/2019
Retirement Systems of Alabama98,192$9,617 09/30/2019
     ALXN98,192$9,617 09/30/2019
Thornburg Investment Management Inc.97,440$9,543 09/30/2019
     ALXN97,440$9,543 09/30/2019
American International Group Inc.96,116$9,414 09/30/2019
     ALXN96,116$9,414 09/30/2019
Treasurer of the State of North Carolina95,791$9,382 09/30/2019
     ALXN95,791$9,382 09/30/2019
Marshall Wace LLP89,983$8,812 09/30/2019
     ALXN89,983$8,812 09/30/2019
Sector Gamma AS89,964$8,811 09/30/2019
     ALXN89,964$8,811 09/30/2019
Federated Investors Inc. PA89,313$8,747 09/30/2019
     ALXN89,313$8,747 09/30/2019
Tudor Investment Corp Et Al89,071$8,724 09/30/2019
     ALXN89,071$8,724 09/30/2019
Cibc World Markets Corp88,630$8,680 09/30/2019
     ALXN88,630$8,680 09/30/2019
Voya Investment Management LLC86,604$8,482 09/30/2019
     ALXN86,604$8,482 09/30/2019
Royal London Asset Management Ltd.86,323$8,454 09/30/2019
     ALXN86,323$8,454 09/30/2019
Centre Asset Management LLC85,280$8,352 09/30/2019
     ALXN85,280$8,352 09/30/2019
Handelsbanken Fonder AB81,746$8,006 09/30/2019
     ALXN81,746$8,006 09/30/2019
Rafferty Asset Management LLC80,750$7,909 09/30/2019
     ALXN80,750$7,909 09/30/2019
Premier Asset Management LLC80,515$7,886 09/30/2019
     ALXN80,515$7,886 09/30/2019
Seven Eight Capital LP80,304$7,865 09/30/2019
     ALXN80,304$7,865 09/30/2019
Channing Capital Management LLC79,104$7,747 09/30/2019
     ALXN79,104$7,747 09/30/2019
Group One Trading L.P. $7,617 09/30/2019
     Call111,900$10,959 09/30/2019
     Put62,400$6,111 09/30/2019
     ALXN28,271$2,769 09/30/2019
Russell Investments Group Ltd.74,652$7,304 09/30/2019
     ALXN74,652$7,304 09/30/2019
DSC Advisors L.P. $7,111 09/30/2019
     ALXN52,500$5,142 09/30/2019
     Call20,600$2,018 09/30/2019
     Put500$49 09/30/2019
Partners Capital Investment Group LLP71,608$7,013 09/30/2019
     ALXN71,608$7,013 09/30/2019
CIBC Asset Management Inc71,556$7,008 09/30/2019
     ALXN71,556$7,008 09/30/2019
Profund Advisors LLC67,399$6,601 09/30/2019
     ALXN67,399$6,601 09/30/2019
Teacher Retirement System of Texas65,814$6,446 09/30/2019
     ALXN65,814$6,446 09/30/2019
Aperio Group LLC65,239$6,389 09/30/2019
     ALXN65,239$6,389 09/30/2019
Alberta Investment Management Corp65,100$6,376 09/30/2019
     ALXN65,100$6,376 09/30/2019
Altrinsic Global Advisors LLC65,000$6,366 09/30/2019
     ALXN65,000$6,366 09/30/2019
LMR Partners LLP64,978$6,364 09/30/2019
     ALXN64,978$6,364 09/30/2019
State of Alaska Department of Revenue64,666$6,332 09/30/2019
     ALXN64,666$6,332 09/30/2019
APG Asset Management N.V.70,476$6,331 09/30/2019
     ALXN70,476$6,331 09/30/2019
Impax Asset Management Group plc63,261$6,196 09/30/2019
     ALXN63,261$6,196 09/30/2019
Arizona State Retirement System61,810$6,054 09/30/2019
     ALXN61,810$6,054 09/30/2019
Ossiam61,387$6,012 09/30/2019
     ALXN61,387$6,012 09/30/2019
MetLife Investment Management LLC61,020$5,976 09/30/2019
     ALXN61,020$5,976 09/30/2019
Origin Asset Management LLP60,700$5,945 09/30/2019
     ALXN60,700$5,945 09/30/2019
Fjarde AP Fonden Fourth Swedish National Pension Fund60,205$5,896 09/30/2019
     ALXN60,205$5,896 09/30/2019
Mackay Shields LLC59,839$5,860 09/30/2019
     ALXN59,839$5,860 09/30/2019
KBC Group NV58,827$5,762 09/30/2019
     ALXN58,827$5,762 09/30/2019
BNP PARIBAS ASSET MANAGEMENT Holding S.A.57,439$5,625 09/30/2019
     ALXN57,439$5,625 09/30/2019
Gabelli Funds LLC56,000$5,485 09/30/2019
     ALXN56,000$5,485 09/30/2019
A.R.T. Advisors LLC55,400$5,426 09/30/2019
     ALXN55,400$5,426 09/30/2019
SG3 Management LLC $5,387 09/30/2019
     Call55,000$5,387 09/30/2019
Oak Ridge Investments LLC54,876$5,375 09/30/2019
     ALXN54,876$5,375 09/30/2019
Gulf International Bank UK Ltd54,793$5,366 09/30/2019
     ALXN54,793$5,366 09/30/2019
Schonfeld Strategic Advisors LLC54,638$5,351 09/30/2019
     ALXN54,638$5,351 09/30/2019
United Services Automobile Association54,458$5,334 09/30/2019
     ALXN54,458$5,334 09/30/2019
PNC Financial Services Group Inc.53,860$5,275 09/30/2019
     ALXN53,860$5,275 09/30/2019
Aviva PLC53,841$5,273 09/30/2019
     ALXN53,841$5,273 09/30/2019
Comerica Bank49,416$5,241 09/30/2019
     ALXN49,416$5,241 09/30/2019
Granite Investment Partners LLC52,892$5,180 09/30/2019
     ALXN52,892$5,180 09/30/2019
Thrivent Financial for Lutherans52,518$5,144 09/30/2019
     ALXN52,518$5,144 09/30/2019
Pura Vida Investments LLC52,500$5,142 09/30/2019
     ALXN52,500$5,142 09/30/2019
Sio Capital Management LLC51,281$5,022 09/30/2019
     ALXN51,281$5,022 09/30/2019
Leuthold Group LLC50,532$4,949 09/30/2019
     ALXN50,532$4,949 09/30/2019
Two Sigma Advisers LP50,390$4,935 09/30/2019
     ALXN50,390$4,935 09/30/2019
SG Americas Securities LLC49,669$4,865 09/30/2019
     ALXN49,669$4,865 09/30/2019
Nicholas Company Inc.48,325$4,733 09/30/2019
     ALXN48,325$4,733 09/30/2019
Trexquant Investment LP47,881$4,689 09/30/2019
     ALXN47,881$4,689 09/30/2019
Xact Kapitalforvaltning AB47,713$4,673 09/30/2019
     ALXN47,713$4,673 09/30/2019
Congress Asset Management Co. MA47,593$4,661 09/30/2019
     ALXN47,593$4,661 09/30/2019
DNB Asset Management AS47,485$4,651 09/30/2019
     ALXN47,485$4,651 09/30/2019
Bank of Nova Scotia44,979$4,405 09/30/2019
     ALXN44,979$4,405 09/30/2019
Zurich Insurance Group Ltd FI43,656$4,276 09/30/2019
     ALXN43,656$4,276 09/30/2019
Public Sector Pension Investment Board43,413$4,252 09/30/2019
     ALXN43,413$4,252 09/30/2019
Tredje AP fonden42,605$4,173 09/30/2019
     ALXN42,605$4,173 09/30/2019
Nordea Investment Management AB42,157$4,120 09/30/2019
     ALXN42,157$4,120 09/30/2019
Mirae Asset Global Investments Co. Ltd.41,925$4,106 09/30/2019
     ALXN41,925$4,106 09/30/2019
Public Employees Retirement Association of Colorado41,780$4,092 09/30/2019
     ALXN41,780$4,092 09/30/2019
Texas Permanent School Fund41,768$4,091 09/30/2019
     ALXN41,768$4,091 09/30/2019
Zurcher Kantonalbank Zurich Cantonalbank 41,513$4,066 09/30/2019
     ALXN41,513$4,066 09/30/2019
Cubist Systematic Strategies LLC41,263$4,041 09/30/2019
     ALXN41,263$4,041 09/30/2019
Metropolitan Life Insurance Co NY41,222$4,037 09/30/2019
     ALXN41,222$4,037 09/30/2019
Utah Retirement Systems40,999$4,015 09/30/2019
     ALXN40,999$4,015 09/30/2019
Tokio Marine Asset Management Co. Ltd.40,981$4,014 09/30/2019
     ALXN40,981$4,014 09/30/2019
Pacer Advisors Inc.40,985$4,014 09/30/2019
     ALXN40,985$4,014 09/30/2019
Nomura Asset Management Co. Ltd.39,255$3,845 09/30/2019
     ALXN39,255$3,845 09/30/2019
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.39,107$3,830 09/30/2019
     ALXN39,107$3,830 09/30/2019
LPL Financial LLC38,392$3,760 09/30/2019
     ALXN38,392$3,760 09/30/2019
Los Angeles Capital Management & Equity Research Inc.37,506$3,673 09/30/2019
     ALXN37,506$3,673 09/30/2019
Engineers Gate Manager LP37,273$3,651 09/30/2019
     ALXN37,273$3,651 09/30/2019
Salem Investment Counselors Inc.37,140$3,637 09/30/2019
     ALXN37,140$3,637 09/30/2019
Oxford Asset Management LLP37,006$3,624 09/30/2019
     ALXN37,006$3,624 09/30/2019
Icon Advisers Inc. Co.36,833$3,607 09/30/2019
     ALXN36,833$3,607 09/30/2019
Sectoral Asset Management Inc36,699$3,594 09/30/2019
     ALXN36,699$3,594 09/30/2019
Wolverine Trading LLC $3,586 09/30/2019
     Call84,900$8,301 09/30/2019
     Put63,300$6,189 09/30/2019
     ALXN15,077$1,474 09/30/2019
Nisa Investment Advisors LLC36,425$3,567 09/30/2019
     ALXN36,425$3,567 09/30/2019
Stralem & Co. Inc.35,895$3,516 09/30/2019
     ALXN35,895$3,516 09/30/2019
US Bancorp DE35,577$3,484 09/30/2019
     ALXN35,577$3,484 09/30/2019
Amalgamated Bank34,470$3,376 09/30/2019
     ALXN34,470$3,376 09/30/2019
Janney Montgomery Scott LLC34,129$3,343 09/30/2019
     ALXN34,129$3,343 09/30/2019
Caption Management LLC $3,330 09/30/2019
     ALXN34,000$3,330 09/30/2019
     Put25,000$2,449 09/30/2019
     Call25,000$2,449 09/30/2019
Harvey Capital Management Inc.33,710$3,301 09/30/2019
     ALXN33,710$3,301 09/30/2019
Norinchukin Bank The33,057$3,238 09/30/2019
     ALXN33,057$3,238 09/30/2019
Fosun International Ltd32,900$3,219 09/30/2019
     ALXN32,900$3,219 09/30/2019
Bank of The West32,724$3,205 09/30/2019
     ALXN32,724$3,205 09/30/2019
GAM Holding AG32,300$3,163 09/30/2019
     ALXN32,300$3,163 09/30/2019
Mason Street Advisors LLC31,945$3,129 09/30/2019
     ALXN31,945$3,129 09/30/2019
Stephens Investment Management Group LLC31,643$3,099 09/30/2019
     ALXN31,643$3,099 09/30/2019
BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp30,681$3,005 09/30/2019
     ALXN30,681$3,005 09/30/2019
Moody National Bank Trust Division30,660$3,002 09/30/2019
     ALXN30,660$3,002 09/30/2019
Twin Tree Management LP $2,997 09/30/2019
     Call31,500$3,085 09/30/2019
     Put900$88 09/30/2019
Cornercap Investment Counsel Inc.30,585$2,995 09/30/2019
     ALXN30,585$2,995 09/30/2019
Mutual of America Capital Management LLC30,059$2,944 09/30/2019
     ALXN30,059$2,944 09/30/2019
Twin Capital Management Inc.29,636$2,903 09/30/2019
     ALXN29,636$2,903 09/30/2019
American National Insurance Co.29,050$2,845 09/30/2019
     ALXN29,050$2,845 09/30/2019
Jane Street Group LLC $2,824 09/30/2019
     Put70,200$6,875 09/30/2019
     ALXN61,727$6,046 09/30/2019
     Call37,300$3,653 09/30/2019
NN Investment Partners Holdings N.V.28,818$2,823 09/30/2019
     ALXN28,818$2,823 09/30/2019
Pinebridge Investments L.P.28,603$2,801 09/30/2019
     ALXN28,603$2,801 09/30/2019
Calamos Wealth Management LLC28,591$2,800 09/30/2019
     ALXN28,591$2,800 09/30/2019
Bowling Portfolio Management LLC28,538$2,795 09/30/2019
     ALXN28,538$2,795 09/30/2019
Andra AP fonden27,900$2,733 09/30/2019
     ALXN27,900$2,733 09/30/2019
Bender Robert & Associates27,305$2,674 09/30/2019
     ALXN27,305$2,674 09/30/2019
Nissay Asset Management Corp Japan ADV27,137$2,658 09/30/2019
     ALXN27,137$2,658 09/30/2019
Flaharty Asset Management LLC27,113$2,655 09/30/2019
     ALXN27,113$2,655 09/30/2019
First Light Asset Management LLC26,698$2,615 09/30/2019
     ALXN26,698$2,615 09/30/2019
Ingalls & Snyder LLC26,348$2,581 09/30/2019
     ALXN26,348$2,581 09/30/2019
Beck Bode LLC25,516$2,499 09/30/2019
     ALXN25,516$2,499 09/30/2019
AIMZ Investment Advisors LLC25,205$2,469 09/30/2019
     ALXN25,205$2,469 09/30/2019
Voleon Capital Management LP25,000$2,449 09/30/2019
     ALXN25,000$2,449 09/30/2019
H2O AM LLP25,000$2,448 09/30/2019
     ALXN25,000$2,448 09/30/2019
IFM Investors Pty Ltd24,921$2,441 09/30/2019
     ALXN24,921$2,441 09/30/2019
Hartford Investment Management Co.24,044$2,355 09/30/2019
     ALXN24,044$2,355 09/30/2019
Parallax Volatility Advisers L.P. $2,317 09/30/2019
     Call30,400$2,978 09/30/2019
     Put11,900$1,166 09/30/2019
     ALXN5,157$505 09/30/2019
Nippon Life Global Investors Americas Inc.23,300$2,282 09/30/2019
     ALXN23,300$2,282 09/30/2019
Securian Asset Management Inc23,292$2,281 09/30/2019
     ALXN23,292$2,281 09/30/2019
Virtu Financial LLC22,925$2,245 09/30/2019
     ALXN22,925$2,245 09/30/2019
South Dakota Investment Council22,760$2,229 09/30/2019
     ALXN22,760$2,229 09/30/2019
Raymond James Financial Services Advisors Inc.22,631$2,216 09/30/2019
     ALXN22,631$2,216 09/30/2019
Oregon Public Employees Retirement Fund22,596$2,213 09/30/2019
     ALXN22,596$2,213 09/30/2019
Meeder Asset Management Inc.22,511$2,204 09/30/2019
     ALXN22,511$2,204 09/30/2019
Pentwater Capital Management LP22,500$2,204 09/30/2019
     ALXN22,500$2,204 09/30/2019
Partner Investment Management L.P.22,136$2,168 09/30/2019
     ALXN22,136$2,168 09/30/2019
BP PLC21,500$2,105 09/30/2019
     ALXN21,500$2,105 09/30/2019
Redpoint Investment Management Pty Ltd21,402$2,096 09/30/2019
     ALXN21,402$2,096 09/30/2019
Silvant Capital Management LLC21,357$2,091 09/30/2019
     ALXN21,357$2,091 09/30/2019
Quantbot Technologies LP21,339$2,089 09/30/2019
     ALXN21,339$2,089 09/30/2019
Natixis Advisors L.P.21,275$2,084 09/30/2019
     ALXN21,275$2,084 09/30/2019
Railway Pension Investments Ltd20,700$2,027 09/30/2019
     ALXN20,700$2,027 09/30/2019
Jump Trading LLC20,348$1,993 09/30/2019
     ALXN20,348$1,993 09/30/2019
Leap Investments LP20,348$1,993 09/30/2019
     ALXN20,348$1,993 09/30/2019
Westpac Banking Corp20,173$1,976 09/30/2019
     ALXN20,173$1,976 09/30/2019
Dai Ichi Life Insurance Company Ltd19,609$1,921 09/30/2019
     ALXN19,609$1,921 09/30/2019
Atom Investors LP19,487$1,909 09/30/2019
     ALXN19,487$1,909 09/30/2019
Bremer Bank National Association19,463$1,907 09/30/2019
     ALXN19,463$1,907 09/30/2019
Glenmede Trust Co. NA19,422$1,901 09/30/2019
     ALXN19,422$1,901 09/30/2019
Pinnacle Associates Ltd.19,375$1,898 09/30/2019
     ALXN19,375$1,898 09/30/2019
Mitsubishi UFJ Asset Management UK Ltd.19,000$1,861 09/30/2019
     ALXN19,000$1,861 09/30/2019
Shell Asset Management Co.18,958$1,857 09/30/2019
     ALXN18,958$1,857 09/30/2019
Morris Capital Advisors LLC18,878$1,849 09/30/2019
     ALXN18,878$1,849 09/30/2019
Private Trust Co. NA18,750$1,836 09/30/2019
     ALXN18,750$1,836 09/30/2019
Shelton Capital Management18,343$1,797 09/30/2019
     ALXN18,343$1,797 09/30/2019
Advisors Asset Management Inc.17,666$1,730 09/30/2019
     ALXN17,666$1,730 09/30/2019
CENTRAL TRUST Co17,573$1,721 09/30/2019
     ALXN17,573$1,721 09/30/2019
New Mexico Educational Retirement Board17,300$1,694 09/30/2019
     ALXN17,300$1,694 09/30/2019
Wellington Management Group LLP17,051$1,671 09/30/2019
     ALXN17,051$1,671 09/30/2019
Pillar Pacific Capital Management LLC16,730$1,639 09/30/2019
     ALXN16,730$1,639 09/30/2019
GSA Capital Partners LLP16,600$1,626 09/30/2019
     ALXN16,600$1,626 09/30/2019
Chicago Equity Partners LLC16,580$1,624 09/30/2019
     ALXN16,580$1,624 09/30/2019
Crossmark Global Holdings Inc.16,235$1,590 09/30/2019
     ALXN16,235$1,590 09/30/2019
L & S Advisors Inc16,141$1,581 09/30/2019
     ALXN16,141$1,581 09/30/2019
M&T Bank Corp16,145$1,580 09/30/2019
     ALXN16,145$1,580 09/30/2019
Vision Capital Management Inc.16,136$1,580 09/30/2019
     ALXN16,136$1,580 09/30/2019
Boothbay Fund Management LLC16,037$1,571 09/30/2019
     ALXN16,037$1,571 09/30/2019
Tealwood Asset Management Inc.15,880$1,555 09/30/2019
     ALXN15,880$1,555 09/30/2019
Altman Advisors Inc.15,627$1,531 09/30/2019
     ALXN15,627$1,531 09/30/2019
Piedmont Investment Advisors Inc.15,586$1,526 09/30/2019
     ALXN15,586$1,526 09/30/2019
Cerity Partners LLC15,584$1,526 09/30/2019
     ALXN15,584$1,526 09/30/2019
DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main15,485$1,516 09/30/2019
     ALXN15,485$1,516 09/30/2019
Oppenheimer & Co. Inc.15,142$1,483 09/30/2019
     ALXN15,142$1,483 09/30/2019
World Asset Management Inc14,989$1,468 09/30/2019
     ALXN14,989$1,468 09/30/2019
Eqis Capital Management Inc.14,871$1,456 09/30/2019
     ALXN14,871$1,456 09/30/2019
Meag Munich Ergo Kapitalanlagegesellschaft MBH14,794$1,440 09/30/2019
     ALXN14,794$1,440 09/30/2019
Commonwealth of Pennsylvania Public School Empls Retrmt SYS14,368$1,407 09/30/2019
     ALXN14,368$1,407 09/30/2019
Dupont Capital Management Corp14,170$1,388 09/30/2019
     ALXN14,170$1,388 09/30/2019
Wealth Enhancement Advisory Services LLC13,959$1,386 09/30/2019
     ALXN13,959$1,386 09/30/2019
ING Groep NV13,993$1,370 09/30/2019
     ALXN13,993$1,370 09/30/2019
Sumitomo Mitsui DS Asset Management Company Ltd13,860$1,357 09/30/2019
     ALXN13,860$1,357 09/30/2019
Fortem Financial Group LLC13,422$1,315 09/30/2019
     ALXN13,422$1,315 09/30/2019
Citizens & Northern Corp13,220$1,295 09/30/2019
     ALXN13,220$1,295 09/30/2019
Richard Bernstein Advisors LLC13,199$1,292 09/30/2019
     ALXN13,199$1,292 09/30/2019
Patton Albertson Miller Group LLC13,186$1,291 09/30/2019
     ALXN13,186$1,291 09/30/2019
Neo Ivy Capital Management12,798$1,290 09/30/2019
     ALXN12,798$1,290 09/30/2019
Daiwa Securities Group Inc.13,129$1,286 09/30/2019
     ALXN13,129$1,286 09/30/2019
Hills Bank & Trust Co.12,874$1,261 09/30/2019
     ALXN12,874$1,261 09/30/2019
Fisher Asset Management LLC12,804$1,254 09/30/2019
     ALXN12,804$1,254 09/30/2019
Creative Planning $1,229 09/30/2019
     ALXN12,529$1,227 09/30/2019
     Call900$2 09/30/2019
MML Investors Services LLC12,023$1,178 09/30/2019
     ALXN12,023$1,178 09/30/2019
Convergence Investment Partners LLC11,997$1,175 09/30/2019
     ALXN11,997$1,175 09/30/2019
NJ State Employees Deferred Compensation Plan12,000$1,175 09/30/2019
     ALXN12,000$1,175 09/30/2019
Comerica Securities Inc.11,976$1,173 09/30/2019
     ALXN11,976$1,173 09/30/2019
Banque Pictet & Cie SA11,900$1,165 09/30/2019
     ALXN11,900$1,165 09/30/2019
Advisor Group Inc.11,325$1,108 09/30/2019
     ALXN11,325$1,108 09/30/2019
Stephens Inc. AR10,801$1,058 09/30/2019
     ALXN10,801$1,058 09/30/2019
Louisiana State Employees Retirement System10,800$1,058 09/30/2019
     ALXN10,800$1,058 09/30/2019
Kazazian Asset Management LLC10,701$1,048 09/30/2019
     ALXN10,701$1,048 09/30/2019
Rockefeller Capital Management L.P.10,644$1,042 09/30/2019
     ALXN10,644$1,042 09/30/2019
Oakbrook Investments LLC10,625$1,041 09/30/2019
     ALXN10,625$1,041 09/30/2019
Kovitz Investment Group Partners LLC10,533$1,032 09/30/2019
     ALXN10,533$1,032 09/30/2019
Hussman Strategic Advisors Inc.10,500$1,028 09/30/2019
     ALXN10,500$1,028 09/30/2019
Dynamic Technology Lab Private Ltd10,460$1,024 09/30/2019
     ALXN10,460$1,024 09/30/2019
Nomura Holdings Inc.10,265$1,004 09/30/2019
     ALXN10,265$1,004 09/30/2019
Investec Asset Management PTY Ltd10,180$995 09/30/2019
     ALXN10,180$995 09/30/2019
First Quadrant L P CA10,010$980 09/30/2019
     ALXN10,010$980 09/30/2019
Qube Research & Technologies Ltd9,996$979 09/30/2019
     ALXN9,996$979 09/30/2019
Opus Point Partners Management LLC9,933$973 09/30/2019
     ALXN9,933$973 09/30/2019
Cozad Asset Management Inc.9,705$951 09/30/2019
     ALXN9,705$951 09/30/2019
Quantamental Technologies LLC9,649$945 09/30/2019
     ALXN9,649$945 09/30/2019
Leavell Investment Management Inc.9,412$922 09/30/2019
     ALXN9,412$922 09/30/2019
Machina Capital S.A.S.9,360$917 09/30/2019
     ALXN9,360$917 09/30/2019
Freestone Capital Holdings LLC9,353$916 09/30/2019
     ALXN9,353$916 09/30/2019
Cambridge Investment Research Advisors Inc.9,338$915 09/30/2019
     ALXN9,338$915 09/30/2019
Polianta Ltd9,300$910 09/30/2019
     ALXN9,300$910 09/30/2019
Verition Fund Management LLC9,267$908 09/30/2019
     ALXN9,267$908 09/30/2019
QS Investors LLC9,242$906 09/30/2019
     ALXN9,242$906 09/30/2019
Green Square Asset Management LLC9,162$897 09/30/2019
     ALXN9,162$897 09/30/2019
CWM Advisors LLC9,119$893 09/30/2019
     ALXN9,119$893 09/30/2019
Gradient Investments LLC9,059$887 09/30/2019
     ALXN9,059$887 09/30/2019
Gamco Investors INC. ET AL9,000$881 09/30/2019
     ALXN9,000$881 09/30/2019
Suntrust Banks Inc.8,927$875 09/30/2019
     ALXN8,927$875 09/30/2019
Teza Capital Management LLC8,910$873 09/30/2019
     ALXN8,910$873 09/30/2019
Brinker Capital Inc.8,851$867 09/30/2019
     ALXN8,851$867 09/30/2019
LSV Asset Management8,800$861 09/30/2019
     ALXN8,800$861 09/30/2019
Investment Management of Virginia LLC8,707$853 09/30/2019
     ALXN8,707$853 09/30/2019
High Pointe Capital Management LLC8,700$852 09/30/2019
     ALXN8,700$852 09/30/2019
Neuburgh Advisers LLC8,602$843 09/30/2019
     ALXN8,602$843 09/30/2019
NumerixS Investment Technologies Inc8,589$841 09/30/2019
     ALXN8,589$841 09/30/2019
Northwestern Mutual Investment Management Company LLC8,539$836 09/30/2019
     ALXN8,539$836 09/30/2019
OMERS ADMINISTRATION Corp8,400$823 09/30/2019
     ALXN8,400$823 09/30/2019
Corient Capital Partners LLC8,401$822 09/30/2019
     ALXN8,401$822 09/30/2019
Everence Capital Management Inc.8,293$812 09/30/2019
     ALXN8,293$812 09/30/2019
Arden Trust Co8,191$802 09/30/2019
     ALXN8,191$802 09/30/2019
University of Notre Dame DU Lac8,164$800 09/30/2019
     ALXN8,164$800 09/30/2019
Aristotle Atlantic Partners LLC8,152$798 09/30/2019
     ALXN8,152$798 09/30/2019
Ameritas Investment Partners Inc.8,013$785 09/30/2019
     ALXN8,013$785 09/30/2019
Sequent Asset Management LLC8,000$784 09/30/2019
     ALXN8,000$784 09/30/2019
Barings LLC7,870$771 09/30/2019
     ALXN7,870$771 09/30/2019
Fulton Bank N.A.7,827$767 09/30/2019
     ALXN7,827$767 09/30/2019
First Eagle Investment Management LLC $753 09/30/2019
     Call3,000$753 09/30/2019
Gideon Capital Advisors Inc.7,642$748 09/30/2019
     ALXN7,642$748 09/30/2019
MUFG Securities EMEA plc7,600$744 09/30/2019
     ALXN7,600$744 09/30/2019
Caisse DE Depot ET Placement DU Quebec7,524$737 09/30/2019
     ALXN7,524$737 09/30/2019
JGP Global Gestao de Recursos Ltda.7,465$731 09/30/2019
     ALXN7,465$731 09/30/2019
Boltwood Capital Management7,270$712 09/30/2019
     ALXN7,270$712 09/30/2019
DE Burlo Group Inc.7,250$710 09/30/2019
     ALXN7,250$710 09/30/2019
Westside Investment Management Inc.5,344$699 06/30/2019
     ALXN5,344$699 06/30/2019
Cigna Investments Inc. New6,581$694 09/30/2019
     ALXN6,581$694 09/30/2019
Flinton Capital Management LLC7,084$694 09/30/2019
     ALXN7,084$694 09/30/2019
Bayesian Capital Management LP7,077$693 09/30/2019
     ALXN7,077$693 09/30/2019
LS Investment Advisors LLC7,056$691 09/30/2019
     ALXN7,056$691 09/30/2019
Fox Run Management L.L.C.7,034$689 09/30/2019
     ALXN7,034$689 09/30/2019
BB&T Securities LLC6,993$684 09/30/2019
     ALXN6,993$684 09/30/2019
361 Capital LLC6,973$683 09/30/2019
     ALXN6,973$683 09/30/2019
Israel Discount Bank of New York6,807$667 09/30/2019
     ALXN6,807$667 09/30/2019
MAI Capital Management6,769$663 09/30/2019
     ALXN6,769$663 09/30/2019
AGF Investments Inc.6,739$660 09/30/2019
     ALXN6,739$660 09/30/2019
Commonwealth Equity Services LLC6,714$657 09/30/2019
     ALXN6,714$657 09/30/2019
Riverhead Capital Management LLC6,517$638 09/30/2019
     ALXN6,517$638 09/30/2019
Amica Mutual Insurance Co.6,223$609 09/30/2019
     ALXN6,223$609 09/30/2019
Virtus ETF Advisers LLC6,063$594 09/30/2019
     ALXN6,063$594 09/30/2019
Achmea Investment Management B.V.6,036$591 09/30/2019
     ALXN6,036$591 09/30/2019
Centiva Capital LP6,006$588 09/30/2019
     ALXN6,006$588 09/30/2019
Level Four Advisory Services LLC5,945$582 09/30/2019
     ALXN5,945$582 09/30/2019
FormulaFolio Investments LLC5,888$577 09/30/2019
     ALXN5,888$577 09/30/2019
Banco Santander S.A.5,837$572 09/30/2019
     ALXN5,837$572 09/30/2019
United Bank5,696$558 09/30/2019
     ALXN5,696$558 09/30/2019
Oppenheimer Asset Management Inc.5,618$550 09/30/2019
     ALXN5,618$550 09/30/2019
Tyers Asset Management LLC5,566$545 09/30/2019
     ALXN5,566$545 09/30/2019
Meiji Yasuda Asset Management Co Ltd.5,553$544 09/30/2019
     ALXN5,553$544 09/30/2019
BB&T Corp5,536$543 09/30/2019
     ALXN5,536$543 09/30/2019
Vestmark Advisory Solutions Inc.5,424$531 09/30/2019
     ALXN5,424$531 09/30/2019
MidWestOne Financial Group Inc.5,368$526 09/30/2019
     ALXN5,368$526 09/30/2019
Windsor Creek Advisors LLC5,345$523 09/30/2019
     ALXN5,345$523 09/30/2019
Veritable L.P.5,155$505 09/30/2019
     ALXN5,155$505 09/30/2019
Grandfield & Dodd LLC5,145$504 09/30/2019
     ALXN5,145$504 09/30/2019
Weiss Multi Strategy Advisers LLC5,000$490 09/30/2019
     ALXN5,000$490 09/30/2019
Supplemental Annuity Collective Trust of NJ5,000$490 09/30/2019
     ALXN5,000$490 09/30/2019
Lido Advisors LLC4,811$471 09/30/2019
     ALXN4,811$471 09/30/2019
Landsberg Bennett & Dubbaneh LLC4,757$465 09/30/2019
     ALXN4,757$465 09/30/2019
Covenant Asset Management LLC4,710$461 09/30/2019
     ALXN4,710$461 09/30/2019
Copperwynd Financial LLC4,195$453 09/30/2019
     ALXN4,195$453 09/30/2019
Weld Capital Management LLC4,598$450 09/30/2019
     ALXN4,598$450 09/30/2019
United Asset Strategies Inc.4,480$439 09/30/2019
     ALXN4,480$439 09/30/2019
XR Securities LLC4,463$437 09/30/2019
     ALXN4,463$437 09/30/2019
Hillsdale Investment Management Inc.4,370$428 09/30/2019
     ALXN4,370$428 09/30/2019
FinTrust Capital Advisors LLC4,332$424 09/30/2019
     ALXN4,332$424 09/30/2019
HighTower Advisors LLC4,299$420 09/30/2019
     ALXN4,299$420 09/30/2019
Bank of Hawaii4,215$413 09/30/2019
     ALXN4,215$413 09/30/2019
First Republic Investment Management Inc.4,147$406 09/30/2019
     ALXN4,147$406 09/30/2019
BBVA USA Bancshares Inc.4,098$402 09/30/2019
     ALXN4,098$402 09/30/2019
PICTET BANK & TRUST Ltd4,050$397 09/30/2019
     ALXN4,050$397 09/30/2019
Glen Harbor Capital Management LLC4,048$397 09/30/2019
     ALXN4,048$397 09/30/2019
Cim Investment Mangement Inc.4,011$393 09/30/2019
     ALXN4,011$393 09/30/2019
Jacobi Capital Management LLC3,928$385 09/30/2019
     ALXN3,928$385 09/30/2019
Tower Research Capital LLC TRC 3,878$380 09/30/2019
     ALXN3,878$380 09/30/2019
Wetherby Asset Management Inc.3,800$372 09/30/2019
     ALXN3,800$372 09/30/2019
Signition LP3,764$369 09/30/2019
     ALXN3,764$369 09/30/2019
Verity Asset Management Inc.3,732$366 09/30/2019
     ALXN3,732$366 09/30/2019
Allstate Corp3,662$359 09/30/2019
     ALXN3,662$359 09/30/2019
American National Registered Investment Advisor Inc.3,640$357 09/30/2019
     ALXN3,640$357 09/30/2019
Intact Investment Management Inc.3,600$353 09/30/2019
     ALXN3,600$353 09/30/2019
BDO Wealth Advisors LLC3,587$351 09/30/2019
     ALXN3,587$351 09/30/2019
Philadelphia Trust Co.3,500$343 09/30/2019
     ALXN3,500$343 09/30/2019
American Assets Investment Management LLC3,500$343 09/30/2019
     ALXN3,500$343 09/30/2019
Commerce Bank3,484$341 09/30/2019
     ALXN3,484$341 09/30/2019
First Hawaiian Bank3,411$334 09/30/2019
     ALXN3,411$334 09/30/2019
Cleararc Capital Inc.3,382$331 09/30/2019
     ALXN3,382$331 09/30/2019
Hancock Whitney Corp3,314$325 09/30/2019
     ALXN3,314$325 09/30/2019
IBM Retirement Fund3,312$324 09/30/2019
     ALXN3,312$324 09/30/2019
Conning Inc.3,281$321 09/30/2019
     ALXN3,281$321 09/30/2019
C M Bidwell & Associates Ltd.3,280$321 09/30/2019
     ALXN3,280$321 09/30/2019
Seeyond3,258$319 09/30/2019
     ALXN3,258$319 09/30/2019
Juncture Wealth Strategies LLC3,245$318 09/30/2019
     ALXN3,245$318 09/30/2019
Walleye Capital LLC $318 09/30/2019
     Call2,800$274 09/30/2019
     ALXN1,059$103 09/30/2019
     Put600$59 09/30/2019
Montecito Bank & Trust3,235$317 09/30/2019
     ALXN3,235$317 09/30/2019
Municipal Employees Retirement System of Michigan3,150$309 09/30/2019
     ALXN3,150$309 09/30/2019
Ladenburg Thalmann Financial Services Inc.3,144$308 09/30/2019
     ALXN3,144$308 09/30/2019
Gateway Investment Advisers LLC3,145$308 09/30/2019
     ALXN3,145$308 09/30/2019
Paloma Partners Management Co3,097$304 09/30/2019
     ALXN3,097$304 09/30/2019
Nicolet Bankshares Inc.3,104$304 09/30/2019
     ALXN3,104$304 09/30/2019
Rehmann Capital Advisory Group2,307$302 06/30/2019
     ALXN2,307$302 06/30/2019
Canandaigua National Bank & Trust Co.3,070$301 09/30/2019
     ALXN3,070$301 09/30/2019
Campbell & CO Investment Adviser LLC3,073$301 09/30/2019
     ALXN3,073$301 09/30/2019
MBM Wealth Consultants LLC3,037$297 09/30/2019
     ALXN3,037$297 09/30/2019
First Allied Advisory Services Inc.2,995$295 09/30/2019
     ALXN2,995$295 09/30/2019
Meridian Wealth Management LLC3,004$295 09/30/2019
     ALXN3,004$295 09/30/2019
ExodusPoint Capital Management LP3,000$294 09/30/2019
     ALXN3,000$294 09/30/2019
Madison Investment Holdings Inc.2,965$290 09/30/2019
     ALXN2,965$290 09/30/2019
Edge Wealth Management LLC2,970$290 09/30/2019
     ALXN2,970$290 09/30/2019
Two Sigma Securities LLC $276 09/30/2019
     Put16,200$1,587 09/30/2019
     ALXN11,513$1,128 09/30/2019
     Call7,500$735 09/30/2019
Atria Investments LLC2,775$272 09/30/2019
     ALXN2,775$272 09/30/2019
Stratos Wealth Advisors LLC2,778$272 09/30/2019
     ALXN2,778$272 09/30/2019
King Wealth2,750$269 09/30/2019
     ALXN2,750$269 09/30/2019
Wedbush Securities Inc.2,713$266 09/30/2019
     ALXN2,713$266 09/30/2019
Parallel Advisors LLC2,696$264 09/30/2019
     ALXN2,696$264 09/30/2019
Meiji Yasuda Life Insurance Co2,685$263 09/30/2019
     ALXN2,685$263 09/30/2019
Rathbone Brothers plc2,660$261 09/30/2019
     ALXN2,660$261 09/30/2019
Regions Financial Corp2,586$253 09/30/2019
     ALXN2,586$253 09/30/2019
HRT Financial LLC2,578$252 09/30/2019
     ALXN2,578$252 09/30/2019
Livforsakringsbolaget Skandia Omsesidigt2,572$252 09/30/2019
     ALXN2,572$252 09/30/2019
Rampart Investment Management Company LLC2,532$248 09/30/2019
     ALXN2,532$248 09/30/2019
Peddock Capital Advisors LLC2,512$246 09/30/2019
     ALXN2,512$246 09/30/2019
Ardsley Advisory Partners LP2,500$245 09/30/2019
     ALXN2,500$245 09/30/2019
Resources Management Corp CT ADV2,489$244 09/30/2019
     ALXN2,489$244 09/30/2019
National Asset Management Inc.2,457$243 09/30/2019
     ALXN2,457$243 09/30/2019
Osborn Williams & Donohoe LLC2,481$243 09/30/2019
     ALXN2,481$243 09/30/2019
Lombard Odier Asset Management Europe Ltd2,462$241 09/30/2019
     ALXN2,462$241 09/30/2019
CNB Bank2,435$239 09/30/2019
     ALXN2,435$239 09/30/2019
Blueshift Asset Management LLC2,435$238 09/30/2019
     ALXN2,435$238 09/30/2019
Enlightenment Research LLC2,400$235 09/30/2019
     ALXN2,400$235 09/30/2019
Northwestern Mutual Wealth Management Co.2,391$234 09/30/2019
     ALXN2,391$234 09/30/2019
Synovus Financial Corp2,391$230 09/30/2019
     ALXN2,391$230 09/30/2019
Balyasny Asset Management LLC2,330$228 09/30/2019
     ALXN2,330$228 09/30/2019
McKinley Carter Wealth Services Inc.2,300$225 09/30/2019
     ALXN2,300$225 09/30/2019
GABELLI & Co INVESTMENT ADVISERS INC.2,250$220 09/30/2019
     ALXN2,250$220 09/30/2019
Brown Advisory Inc.2,227$218 09/30/2019
     ALXN2,227$218 09/30/2019
Integrated Wealth Concepts LLC2,226$218 09/30/2019
     ALXN2,226$218 09/30/2019
Exane Derivatives2,202$216 09/30/2019
     ALXN2,202$216 09/30/2019
Globeflex Capital L P2,200$215 09/30/2019
     ALXN2,200$215 09/30/2019
Oakworth Capital Inc.2,200$215 09/30/2019
     ALXN2,200$215 09/30/2019
Asahi Life Asset Management CO. LTD.2,160$212 09/30/2019
     ALXN2,160$212 09/30/2019
Covenant Partners LLC2,138$209 09/30/2019
     ALXN2,138$209 09/30/2019
Fort Washington Investment Advisors Inc. OH2,117$207 09/30/2019
     ALXN2,117$207 09/30/2019
Todd Asset Management LLC2,117$207 09/30/2019
     ALXN2,117$207 09/30/2019
Zions Bancorporation N.A.2,084$204 09/30/2019
     ALXN2,084$204 09/30/2019
Putnam Investments LLC2,077$203 09/30/2019
     ALXN2,077$203 09/30/2019
Miles Capital Inc.2,057$201 09/30/2019
     ALXN2,057$201 09/30/2019
Capital Analysts LLC1,974$193 09/30/2019
     ALXN1,974$193 09/30/2019
Private Capital Group LLC1,948$191 09/30/2019
     ALXN1,948$191 09/30/2019
Ameritas Investment Corp1,641$179 09/30/2019
     ALXN1,641$179 09/30/2019
Employees Retirement System of Texas1,800$176 09/30/2019
     ALXN1,800$176 09/30/2019
Benjamin F. Edwards & Company Inc.1,802$176 09/30/2019
     ALXN1,802$176 09/30/2019
FTB Advisors Inc.1,620$158 09/30/2019
     ALXN1,620$158 09/30/2019
Migdal Insurance & Financial Holdings Ltd.1,575$154 09/30/2019
     ALXN1,575$154 09/30/2019
Pendal Group Ltd1,535$150 09/30/2019
     ALXN1,535$150 09/30/2019
Sullivan Bruyette Speros & Blaney LLC1,392$136 09/30/2019
     ALXN1,392$136 09/30/2019
Fieldpoint Private Securities LLC1,294$127 09/30/2019
     ALXN1,294$127 09/30/2019
Cutler Group LP $125 09/30/2019
     ALXN1,400$137 09/30/2019
     Put1,500$19 09/30/2019
     Call1,000$7 09/30/2019
Lazard Asset Management LLC1,276$124 09/30/2019
     ALXN1,276$124 09/30/2019
Brown Brothers Harriman & Co.1,200$118 09/30/2019
     ALXN1,200$118 09/30/2019
Point72 Hong Kong Ltd1,171$115 09/30/2019
     ALXN1,171$115 09/30/2019
FUKOKU MUTUAL LIFE INSURANCE Co1,100$108 09/30/2019
     ALXN1,100$108 09/30/2019
Prime Capital Investment Advisors LLC1,107$108 09/30/2019
     ALXN1,107$108 09/30/2019
Financial Gravity Wealth Inc.1,086$106 09/30/2019
     ALXN1,086$106 09/30/2019
Advisory Services Network LLC797$105 09/30/2019
     ALXN797$105 09/30/2019
Amica Retiree Medical Trust987$97 09/30/2019
     ALXN987$97 09/30/2019
Captrust Financial Advisors885$87 09/30/2019
     ALXN885$87 09/30/2019
CSat Investment Advisory L.P.877$86 09/30/2019
     ALXN877$86 09/30/2019
B.S. Pension Fund Trustee Ltd acting for the British Steel Pension Fund870$85 09/30/2019
     ALXN870$85 09/30/2019
Cowen AND Company LLC $75 09/30/2019
     ALXN1,026$100 09/30/2019
     Put11,700$25 09/30/2019
Signaturefd LLC760$74 09/30/2019
     ALXN760$74 09/30/2019
Advantage Investment Management LLC759$74 09/30/2019
     ALXN759$74 09/30/2019
Prelude Capital Management LLC709$69 09/30/2019
     ALXN709$69 09/30/2019
Shine Investment Advisory Services Inc.684$67 09/30/2019
     ALXN684$67 09/30/2019
Valeo Financial Advisors LLC670$66 09/30/2019
     ALXN670$66 09/30/2019
Guardian Life Insurance Co. of America653$64 09/30/2019
     ALXN653$64 09/30/2019
Fifth Third Bancorp638$62 09/30/2019
     ALXN638$62 09/30/2019
Candriam Luxembourg S.C.A.631,766$62 09/30/2019
     ALXN631,766$62 09/30/2019
Gs Investments Inc.600$59 09/30/2019
     ALXN600$59 09/30/2019
NuWave Investment Management LLC587$58 09/30/2019
     ALXN587$58 09/30/2019
Huntington National Bank573$55 09/30/2019
     ALXN573$55 09/30/2019
Sowell Financial Services LLC550$54 09/30/2019
     ALXN550$54 09/30/2019
Covington Capital Management542$53 09/30/2019
     ALXN542$53 09/30/2019
Flagship Harbor Advisors LLC500$48 09/30/2019
     ALXN500$48 09/30/2019
Whittier Trust Co.465$46 09/30/2019
     ALXN465$46 09/30/2019
Bessemer Group Inc.429$42 09/30/2019
     ALXN429$42 09/30/2019
Systematic Financial Management LP425$42 09/30/2019
     ALXN425$42 09/30/2019
Winslow Evans & Crocker Inc.404$42 09/30/2019
     ALXN404$42 09/30/2019
NEXT Financial Group Inc426$42 09/30/2019
     ALXN426$42 09/30/2019
Credit Agricole S A400$39 09/30/2019
     ALXN400$39 09/30/2019
Quest Capital Management Inc. ADV376$37 09/30/2019
     ALXN376$37 09/30/2019
Institutional & Family Asset Management LLC356$35 09/30/2019
     ALXN356$35 09/30/2019
Citizens Financial Group Inc RI307$30 09/30/2019
     ALXN307$30 09/30/2019
Investors Research Corp304$30 09/30/2019
     ALXN304$30 09/30/2019
Arrow Financial Corp300$29 09/30/2019
     ALXN300$29 09/30/2019
Highlander Capital Management LLC300$29 09/30/2019
     ALXN300$29 09/30/2019
Mitsubishi UFJ Securities Holdings Co. Ltd.250$24 09/30/2019
     ALXN250$24 09/30/2019
IFP Advisors Inc250$24 09/30/2019
     ALXN250$24 09/30/2019
Pathstone Family Office LLC230$23 09/30/2019
     ALXN230$23 09/30/2019
Assetmark Inc.217$21 09/30/2019
     ALXN217$21 09/30/2019
MayTech Global Investments LLC200$20 09/30/2019
     COM200$20 09/30/2019
San Francisco Sentry Investment Group CA191$19 09/30/2019
     ALXN191$19 09/30/2019
Liberty Wealth Management LLC191$19 09/30/2019
     ALXN191$19 09/30/2019
Rational Advisors LLC181$18 09/30/2019
     ALXN181$18 09/30/2019
CWM LLC180$18 09/30/2019
     ALXN180$18 09/30/2019
Penserra Capital Management LLC186$18 09/30/2019
     ALXN186$18 09/30/2019
Quadrant Capital Group LLC230$18 09/30/2019
     ALXN230$18 09/30/2019
Hudock Capital Group LLC182$17 09/30/2019
     ALXN182$17 09/30/2019
Lindbrook Capital LLC169$17 09/30/2019
     ALXN169$17 09/30/2019
Steward Partners Investment Advisory LLC164$16 09/30/2019
     ALXN164$16 09/30/2019
LifePlan Financial Group Inc150$15 09/30/2019
     ALXN150$15 09/30/2019
Mark Sheptoff Financial Planning LLC150$15 09/30/2019
     ALXN150$15 09/30/2019
Garrett Wealth Advisory Group LLC152$15 09/30/2019
     ALXN152$15 09/30/2019
Webster Bank N. A.120$12 09/30/2019
     ALXN120$12 09/30/2019
Endurance Wealth Management Inc.124$12 09/30/2019
     ALXN124$12 09/30/2019
RPG Investment Advisory LLC125$12 09/30/2019
     ALXN125$12 09/30/2019
Optimum Investment Advisors100$10 09/30/2019
     ALXN100$10 09/30/2019
Earnest Partners LLC99$10 09/30/2019
     ALXN99$10 09/30/2019
Farmers & Merchants Investments Inc.106$10 09/30/2019
     ALXN106$10 09/30/2019
Shamrock Asset Management LLC100$10 09/30/2019
     ALXN100$10 09/30/2019
Capital Investment Advisory Services LLC100$10 09/30/2019
     ALXN100$10 09/30/2019
Global Retirement Partners LLC101$10 09/30/2019
     ALXN101$10 09/30/2019
Evoke Wealth LLC104$10 09/30/2019
     ALXN104$10 09/30/2019
First Manhattan Co.100$9 09/30/2019
     ALXN100$9 09/30/2019
CLS Investments LLC79$8 09/30/2019
     ALXN79$8 09/30/2019
Hexavest Inc.77$8 09/30/2019
     ALXN77$8 09/30/2019
Gemmer Asset Management LLC81$8 09/30/2019
     ALXN81$8 09/30/2019
Berman Capital Advisors LLC89$8 09/30/2019
     ALXN89$8 09/30/2019
Lenox Wealth Management Inc.68$6 09/30/2019
     ALXN68$6 09/30/2019
Acima Private Wealth LLC68$6 09/30/2019
     ALXN68$6 09/30/2019
Motco46$5 09/30/2019
     ALXN46$5 09/30/2019
Bartlett & Co. LLC50$5 09/30/2019
     ALXN50$5 09/30/2019
Allworth Financial LP50$5 09/30/2019
     ALXN50$5 09/30/2019
TCI Wealth Advisors Inc.50$5 09/30/2019
     ALXN50$5 09/30/2019
Coastal Investment Advisors Inc.51$5 09/30/2019
     ALXN51$5 09/30/2019
Parkside Financial Bank & Trust37$4 09/30/2019
     ALXN37$4 09/30/2019
Patriot Financial Group Insurance Agency LLC37$4 09/30/2019
     ALXN37$4 09/30/2019
Capital Bank & Trust Co44$4 09/30/2019
     ALXN44$4 09/30/2019
Howe & Rusling Inc.35$3 09/30/2019
     ALXN35$3 09/30/2019
MUFG Americas Holdings Corp30$3 09/30/2019
     ALXN30$3 09/30/2019
Macroview Investment Management LLC32$3 09/30/2019
     ALXN32$3 09/30/2019
Advisory Alpha LLC31$3 09/30/2019
     ALXN31$3 09/30/2019
Balentine LLC31$3 09/30/2019
     ALXN31$3 09/30/2019
Tarbox Family Office Inc.34$3 09/30/2019
     ALXN34$3 09/30/2019
Versant Capital Management Inc39$3 09/30/2019
     ALXN39$3 09/30/2019
CX Institutional28$3 09/30/2019
     ALXN28$3 09/30/2019
James Investment Research Inc.21$2 09/30/2019
     ALXN21$2 09/30/2019
Plante Moran Financial Advisors LLC25$2 09/30/2019
     ALXN25$2 09/30/2019
Price Wealth LLC16$2 09/30/2019
     ALXN16$2 09/30/2019
Hilton Capital Management LLC20$2 09/30/2019
     ALXN20$2 09/30/2019
Venturi Wealth Management LLC23$2 09/30/2019
     ALXN23$2 09/30/2019
Selective Wealth Management Inc.18$2 09/30/2019
     ALXN18$2 09/30/2019
Anderson Fisher LLC20$2 09/30/2019
     ALXN20$2 09/30/2019
Enterprise Financial Services Corp8$1 09/30/2019
     ALXN8$1 09/30/2019
First Interstate Bank15$1 09/30/2019
     ALXN15$1 09/30/2019
Barnett & Company Inc.12$1 09/30/2019
     ALXN12$1 09/30/2019
Litman Gregory Asset Management LLC15$1 09/30/2019
     ALXN15$1 09/30/2019
Tortoise Investment Management LLC12$1 09/30/2019
     ALXN12$1 09/30/2019
Ironwood Financial llc9$1 09/30/2019
     ALXN9$1 09/30/2019
Ellevest Inc.9$1 09/30/2019
     ALXN9$1 09/30/2019
Wealthcare Advisory Partners LLC14$1 09/30/2019
     ALXN14$1 09/30/2019
Proequities Inc. $0 09/30/2019
     Put0$0 09/30/2019
     ALXN0$0 09/30/2019
     Call0$0 09/30/2019
Kayne Anderson Rudnick Investment Management LLC4$0 09/30/2019
     ALXN4$0 09/30/2019
Altshuler Shaham Ltd3$0 09/30/2019
     ALXN3$0 09/30/2019
Willingdon Wealth Management3$0 09/30/2019
     ALXN3$0 09/30/2019
Nelson Van Denburg & Campbell Wealth Management Group LLC9$0 09/30/2019
     ALXN9$0 09/30/2019
Stratos Wealth Partners LTD.37$0 09/30/2019
     ALXN37$0 09/30/2019
Clear Investment Research LLC3$0 09/30/2019
     ALXN3$0 09/30/2019
Glassman Wealth Services4$0 09/30/2019
     ALXN4$0 09/30/2019
Sterling Investment Advisors Ltd.2$0 09/30/2019
     ALXN2$0 09/30/2019
Squar Milner Financial Services LLC0$0 09/30/2019
     ALXN0$0 09/30/2019
Golden State Wealth Management LLC2$0 09/30/2019
     ALXN2$0 09/30/2019
Tuscan Ridge Asset Management LLC $-108 09/30/2019
     Put5,000$490 09/30/2019
     ALXN3,900$382 09/30/2019
Two Sigma Investments LP $-125 09/30/2019
     Put10,100$989 09/30/2019
     Call6,400$627 09/30/2019
     ALXN2,416$237 09/30/2019
Simplex Trading LLC $-931 09/30/2019
     Put1,272$12,457 09/30/2019
     Call618$6,052 09/30/2019
     ALXN55,897$5,474 09/30/2019
Capstone Investment Advisors LLC $-2,152 09/30/2019
     Put83,900$8,217 09/30/2019
     Call34,000$3,330 09/30/2019
     ALXN27,921$2,735 09/30/2019
Citadel Advisors LLC $-2,654 09/30/2019
     Put271,200$26,561 09/30/2019
     Call157,000$15,377 09/30/2019
     ALXN87,095$8,530 09/30/2019
Arrowgrass Capital Partners US LP $-2,747 09/30/2019
     Put50,000$4,897 09/30/2019
     ALXN21,953$2,150 09/30/2019
Susquehanna International Group LLP $-2,856 09/30/2019
     Put872,900$85,492 09/30/2019
     ALXN429,035$42,020 09/30/2019
     Call414,700$40,616 09/30/2019
PEAK6 Investments LLC $-3,469 09/30/2019
     Put133,600$13,085 09/30/2019
     Call50,500$4,946 09/30/2019
     ALXN47,687$4,670 09/30/2019
Walleye Trading LLC $-3,634 09/30/2019
     Put93,300$9,138 09/30/2019
     ALXN40,594$3,976 09/30/2019
     Call15,600$1,528 09/30/2019
Jefferies Group LLC18,600$-4,345 09/30/2019
     Put103,600$10,147 09/30/2019
     ALXN40,641$3,980 09/30/2019
     Call18,600$1,822 09/30/2019

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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