Who owns Alexion Pharmaceuticals?

Top Holders and Investors of ALXN Stock

Find out what company owns Alexion Pharmaceuticals, who bought ALXN this quarter, and who sold shares of ALXN stock?

Fund or Company Name Number of Shares Valued At As Of
Capital Research Global Investors^ 25.59M $2.99B Jun 2016
T. Rowe Price Associates 19.74M $2.31B Jun 2016
FMR 18.75M $2.19B Jun 2016
Vanguard 13.48M $1.57B Jun 2016
STATE STREET CORPORATION 8.79M $1.03B Jun 2016
Jennison Associates 7.09M $828.22M Jun 2016
Baker Bros. Advisors 6.54M $764.00M Jun 2016
Ameriprise Financial 6.03M $703.57M Jun 2016
BlackRock Institutional Trust Company, N.A. 5.69M $663.94M Jun 2016
JPMORGAN CHASE & CO 4.90M $571.80M Jun 2016
Sands Capital Management 4.87M $569.18M Jun 2016
BlackRock Fund Advisors 4.56M $533.00M Jun 2016
Wells Fargo & Company 3.65M $425.79M Jun 2016
Brown Advisory Holdings Incorporated 3.05M $355.84M Jun 2016
OrbiMed Advisors 2.98M $348.11M Jun 2016
TIAA-CREF Investment Management 2.95M $344.70M Jun 2016
NORTHERN TRUST 2.58M $301.66M Jun 2016
ALLIANCEBERNSTEIN 2.47M $288.37M Jun 2016
Waddell & Reed Financial 2.42M $281.99M Jun 2016
Inves 2.41M $280.98M Jun 2016
Bank of America Corporation 2.12M $247.48M Jun 2016
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 2.10M $244.97M Jun 2016
BlackRock 2.04M $237.64M Jun 2016
Bank of New York Mellon 1.86M $217.11M Jun 2016
Geode Capital Management 1.79M $209.10M Jun 2016
GOLDMAN SACHS 1.61M $188.02M Jun 2016
CITADEL ADVISORS 1.40M $163.93M Jun 2016
ClearBridge Advisors 1.39M $162.64M Jun 2016
DSM Capital Partners 1.31M $153.01M Jun 2016
American Century Companies 1.28M $149.17M Jun 2016
Temasek Holdings 1.23M $143.22M Jun 2016
BB Biotech AG 1.18M $137.71M Jun 2016
TCW 1.15M $133.80M Jun 2016
Janus Capital Management 1.03M $119.84M Jun 2016
Alyeska Investment 1.03M $119.77M Jun 2016
AXA 1.01M $118.03M Jun 2016
BlackRock Advisors 991371 $115.75M Jun 2016
Robert R. DeGennaro 988901 $115.46M Jun 2016
Millennium Management 968944 $113.13M Jun 2016
Legal & General 948557 $110.75M Jun 2016
Allianz Asset Management AG 902127 $105.33M Jun 2016
UBS GLOBAL ASSET MANAGEMENT AMERICAS 869429 $101.51M Jun 2016
SUSQUEHANNA INTERNATIONAL 863564 $100.86M Jun 2016
BlackRock Investment Management 809908 $94.56M Jun 2016
Two Sigma Investments 786516 $91.83M Jun 2016
Teachers Advisors 753833 $88.02M Jun 2016
Tourbillon Capital Partners 750104 $87.58M Jun 2016
PICTET ASSET MANAGEMENT 694119 $104.74M Jun 2016
Hambrecht & Quist Capital Management 681805 $79.61M Jun 2016
MORGAN STANLEY 680542 $79.49M Jun 2016
Franklin Resources 675246 $78.84M Jun 2016
Deutsche Bank Aktiengesellschaft 652077 $76.14M Jun 2016
Eaton Vance Management 643878 $75.18M Jun 2016
Swiss National Bank 631341 $73.72M Jun 2016
Thrivent Financial for Lutherans 624860 $72.96M Jun 2016
New York State Common Retirement Fund 622453 $72.68M Jun 2016
Sumitomo Mitsui Trust Holdings 621658 $72.58M Jun 2016
Charles Schwab Investment Management 613127 $71.59M Jun 2016
Legg Mason Capital Management 590899 $68.99M Jun 2016
Credit Suisse AG 578852 $67.59M Jun 2016
OTR - Nominee Name for The State Teachers Retirement Board of Ohio 560109 $65.40M Jun 2016
Point72 Asset Management 529500 $61.82M Jun 2016
Two Sigma Advisers 520817 $60.81M Jun 2016
BlackRock 501359 $58.54M Jun 2016
Federated Investors 500469 $58.43M Jun 2016
CALAMOS ADVISORS 495039 $57.80M Jun 2016
Cornerstone Capital Management 470348 $54.92M Jun 2016
California State Teachers Retirement System 460324 $53.75M Jun 2016
Mitsubishi UFJ Trust & Banking 453263 $52.92M Jun 2016
Guggenheim Capital, LLC Managers 440304 $51.41M Jun 2016
Alkeon Capital Management 430895 $53.61M Jun 2016
TD Asset Management 388492 $45.36M Jun 2016
NEW YORK STATE TEACHERS RETIREMENT SYSTEM 377048 $44.02M Jun 2016
PRUDENTIAL FINANCIAL 377028 $44.02M Jun 2016
Mizuho Trust & Banking 356642 $41.64M Jun 2016
RHUMBLINE ADVISERS 353921 $41.32M Jun 2016
Zevenbergen Capital Investments 345235 $40.31M Jun 2016
Palo Alto Investors 339400 $39.63M Jun 2016
FAYEZ SAROFIM & CO 336981 $39.50M Jun 2016
Senator Investment 325000 $37.95M Jun 2016
Florida State Board of Administration 321213 $37.50M Jun 2016
Principal Financial 320813 $37.46M Jun 2016
Parametric Portfolio Associates 317667 $37.09M Jun 2016
DIMENSIONAL FUND ADVISORS 297166 $34.69M Jun 2016
BANK OF MONTREAL /CAN/ 293888 $34.31M Jun 2016
APG All Pensions Group NV 286183 $33.41M Jun 2016
BlackRock Japan 285868 $33.38M Jun 2016
Cutler 285500 $33.32M Jun 2016
Barclays 283847 $33.14M Jun 2016
Paulson & Co 268000 $31.29M Jun 2016
Korea Investment Corporation 263091 $30.72M Jun 2016
Nomura Holdings 260300 $30.72M Jun 2016
Retirement Systems of Alabama 253108 $29.55M Jun 2016
Sectoral Asset Management 251348 $29.35M Jun 2016
Rock Springs Capital Management 235500 $27.50M Jun 2016
First Trust Advisors 232775 $27.18M Jun 2016
STIFEL FINANCIAL 226096 $26.39M Jun 2016
Rhenman & Partners Asset Management AB 223082 $26.05M Jun 2016
Loomis, Sayles and 217694 $25.42M Jun 2016
Manufacturers Life Insurance Company 215688 $25.19M Jun 2016
Chevy Chase Trust Holdings 213352 $24.92M Jun 2016
Ascend Capital 209011 $24.40M Jun 2016
SEI INVESTMENTS 206947 $24.17M Jun 2016
Raymond James & Associates 206921 $24.16M Jun 2016
Redmile 202400 $23.63M Jun 2016
D. E. Shaw & Co 201793 $23.56M Jun 2016
ProShare Advisors 199479 $23.29M Jun 2016
EULAV Asset Management 194000 $22.65M Jun 2016
Raymond James Financial Services Advisors 189583 $22.14M Jun 2016
Frank Russell Company 187099 $26.06M Mar 2016
Gateway Investment Advisers 184840 $21.58M Jun 2016
State of Wisconsin Investment Board 179984 $21.01M Jun 2016
Balyasny Asset Management 179063 $20.91M Jun 2016
UBS Group AG 177667 $20.74M Jun 2016
VICTORY CAPITAL MANAGEMENT 176387 $20.60M Jun 2016
EverPoint Asset Management 175000 $20.43M Jun 2016
VAN ECK ASSOCIATES 174634 $20.39M Jun 2016
GLG Partners 170761 $19.94M Jun 2016
AVIVA 163949 $19.15M Jun 2016
Lagoda Investment Management 157560 $18.40M Jun 2016
Great-West Life Assurance Company 156531 $18.14M Jun 2016
British Columbia Investment Management Corporation 151036 $17.63M Jun 2016
PEAK6 Investments 150492 $17.57M Jun 2016
RidgeWorth Capital Management 150307 $17.82M Jun 2016
OHIO PERS 148090 $17.29M Jun 2016
Airain 147087 $17.17M Jun 2016
Index Management Solutions 145807 $8.60M Sep 2015
Candriam Luxembourg S.C.A. 143411 $16.74M Jun 2016
National Pension Service 142165 $16.60M Jun 2016
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 141888 $16.56M Jun 2016
Exane Asset Management 141454 $16.52M Jun 2016
Citi 137499 $16.05M Jun 2016
ProFund Advisors 134066 $15.65M Jun 2016
Thornburg Investment Management 132859 $15.51M Jun 2016
BNP PARIBAS ARBITRAGE, SNC 129063 $15.07M Jun 2016
Metropolitan Life Insurance Company 125380 $14.64M Jun 2016
Apex Capital 120200 $22.93M Dec 2015
DIAM 117247 $13.38M Jun 2016
Columbus Circle Investors 117038 $13.67M Jun 2016
HIGHBRIDGE CAPITAL MANAGEMENT 115363 $13.47M Jun 2016
United Services Automobile Association 110312 $12.88M Jun 2016
Emerald Acquisition 109422 $12.77M Jun 2016
Royal Bank of Canada 106145 $12.39M Jun 2016
State of New Jersey Common Pension Fund D 105000 $12.26M Jun 2016
FIL 104471 $12.20M Jun 2016
AMERICAN INTERNATIONAL 102876 $12.01M Jun 2016
Nuveen Asset Management 102328 $11.95M Jun 2016
HSBC HOLDINGS 100774 $11.77M Jun 2016
MACKENZIE FINANCIAL 100735 $11.76M Jun 2016
DekaBank Deutsche Girozentrale 99582 $11.38M Jun 2016

Who sold Alexion Pharmaceuticals?

Fund Name Date Sold Shares Held Valued At
ROYAL LONDON ASSET MANAGEMENT March 31, 2016 7.64M $76380
WINSLOW CAPITAL MANAGEMENT INC /MN March 31, 2016 3.13M $436.39M
CalPERS March 31, 2016 543791 $75.71M
Overland Advisors March 31, 2016 200000 $27.84M