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
T. Rowe Price Associates 28.21M $3.93B Mar 2016
Capital Research Global Investors^ 27.60M $3.84B Mar 2016
FMR 16.74M $2.33B Mar 2016
Vanguard 12.97M $2.47B Dec 2015
STATE STREET CORPORATION 8.79M $1.22B Mar 2016
ROYAL LONDON ASSET MANAGEMENT 7.64M $76380 Mar 2016
Jennison Associates 7.37M $1.03B Mar 2016
Baker Bros. Advisors 6.54M $910.86M Mar 2016
BlackRock Institutional Trust Company, N.A. 5.60M $779.89M Mar 2016
Ameriprise Financial 5.30M $737.53M Mar 2016
Sands Capital Management 5.21M $725.60M Mar 2016
JPMORGAN CHASE & CO 5.11M $710.44M Mar 2016
Wells Fargo & Company 4.62M $643.52M Mar 2016
BlackRock Fund Advisors 4.43M $616.69M Mar 2016
WINSLOW CAPITAL MANAGEMENT INC /MN 3.13M $436.39M Mar 2016
Inves 2.83M $393.72M Mar 2016
Bank of America Corporation 2.66M $370.23M Mar 2016
NORTHERN TRUST 2.63M $366.01M Mar 2016
Waddell & Reed Financial 2.55M $355.45M Mar 2016
Brown Advisory Holdings Incorporated 2.47M $343.28M Mar 2016
TIAA-CREF Investment Management 2.19M $304.92M Mar 2016
BlackRock 2.05M $285.24M Mar 2016
OrbiMed Advisors 1.87M $260.42M Mar 2016
Geode Capital Management 1.82M $252.86M Mar 2016
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1.73M $240.81M Mar 2016
DSM Capital Partners 1.37M $261.74M Dec 2015
American Century Companies 1.28M $149.17M Jun 2016
GOLDMAN SACHS 1.24M $172.20M Mar 2016
Temasek Holdings 1.23M $170.77M Mar 2016
ALLIANCEBERNSTEIN 1.20M $228.23M Dec 2015
TCW 1.11M $154.42M Mar 2016
BB Biotech AG 1.03M $144.01M Mar 2016
BlackRock Advisors 1.02M $141.84M Mar 2016
Allianz Asset Management AG 990264 $137.85M Mar 2016
Janus Capital Management 941795 $131.13M Mar 2016
Legal & General 920520 $128.15M Mar 2016
AXA 888596 $169.50M Dec 2015
Robert R. DeGennaro 872001 $121.40M Mar 2016
UBS GLOBAL ASSET MANAGEMENT AMERICAS 772762 $107.58M Mar 2016
BlackRock Investment Management 670499 $93.35M Mar 2016
Sectoral Asset Management 657013 $91.47M Mar 2016
ClearBridge Advisors 652620 $90.86M Mar 2016
SUSQUEHANNA INTERNATIONAL 643419 $122.71M Dec 2015
Hambrecht & Quist Capital Management 636805 $88.66M Mar 2016
Sumitomo Mitsui Trust Holdings 622818 $86.71M Mar 2016
Columbus Circle Investors 602609 $83.90M Mar 2016
Charles Schwab Investment Management 601204 $83.70M Mar 2016
New York State Common Retirement Fund 600084 $83.54M Mar 2016
Loomis, Sayles and 592479 $82.48M Mar 2016
Swiss National Bank 585341 $78.10M Mar 2016
Franklin Resources 569644 $79.31M Mar 2016
OTR - Nominee Name for The State Teachers Retirement Board of Ohio 560109 $65.40M Jun 2016
Millennium Management 546069 $76.02M Mar 2016
CalPERS 543791 $75.71M Mar 2016
Credit Suisse AG 541360 $75.37M Mar 2016
Teachers Advisors 539350 $75.09M Mar 2016
Deutsche Bank Aktiengesellschaft 537698 $74.85M Mar 2016
TD Asset Management 523726 $72.91M Mar 2016
BlackRock 495688 $69.01M Mar 2016
CALAMOS ADVISORS 495039 $57.80M Jun 2016
Federated Investors 471748 $65.69M Mar 2016
Cornerstone Capital Management 469259 $65.33M Mar 2016
Raymond James Financial Services Advisors 465150 $64.76M Mar 2016
California State Teachers Retirement System 458378 $63.82M Mar 2016
Mitsubishi UFJ Trust & Banking 444577 $61.89M Mar 2016
Guggenheim Capital, LLC Managers 441171 $61.48M Mar 2016
Alkeon Capital Management 430540 $59.94M Mar 2016
First Trust Advisors 415125 $57.79M Mar 2016
FIL 382763 $53.29M Mar 2016
NEW YORK STATE TEACHERS RETIREMENT SYSTEM 377048 $44.02M Jun 2016
Legg Mason Capital Management 374714 $52.17M Mar 2016
Mizuho Trust & Banking 349872 $48.71M Mar 2016
Zevenbergen Capital Investments 349680 $48.68M Mar 2016
FAYEZ SAROFIM & CO 346964 $48.61M Mar 2016
PRUDENTIAL FINANCIAL 345718 $48.13M Mar 2016
RHUMBLINE ADVISERS 337102 $46.93M Mar 2016
PICTET ASSET MANAGEMENT 333989 $63.71M Dec 2015
SEI INVESTMENTS 326517 $45.46M Mar 2016
Parametric Portfolio Associates 309664 $43.11M Mar 2016
DIMENSIONAL FUND ADVISORS 301378 $41.95M Mar 2016
Alyeska Investment 300047 $41.77M Mar 2016
BANK OF MONTREAL /CAN/ 293888 $34.31M Jun 2016
Cutler 285500 $33.32M Jun 2016
BlackRock Japan 283195 $39.43M Mar 2016
Florida State Board of Administration 267953 $37.30M Mar 2016
GLG Partners 260323 $36.24M Mar 2016
APG All Pensions Group NV 254883 $35.48M Mar 2016
Retirement Systems of Alabama 253108 $29.55M Jun 2016
Korea Investment Corporation 248691 $34.62M Mar 2016
Eaton Vance Management 245094 $34.12M Mar 2016
Barclays 241192 $33.53M Mar 2016
STIFEL FINANCIAL 240196 $33.44M Mar 2016
State of Wisconsin Investment Board 232624 $32.39M Mar 2016
Rock Springs Capital Management 227750 $31.71M Mar 2016
Chevy Chase Trust Holdings 213352 $24.92M Jun 2016
Manufacturers Life Insurance Company 206301 $27.82M Mar 2016
Two Sigma Investments 203969 $28.40M Mar 2016
Overland Advisors 200000 $27.84M Mar 2016
D. E. Shaw & Co 199525 $27.78M Mar 2016
ProShare Advisors 194942 $27.14M Mar 2016
Frank Russell Company 187099 $26.06M Mar 2016
United Services Automobile Association 186947 $26.03M Mar 2016
Gateway Investment Advisers 184840 $21.58M Jun 2016
VAN ECK ASSOCIATES 184376 $35.17M Dec 2015
Raymond James & Associates 181348 $25.25M Mar 2016
Capital World Investors^ 175000 $24.36M Mar 2016
Nationwide Fund Advisors 163093 $23.73M Mar 2016
Lagoda Investment Management 159482 $22.20M Mar 2016
VICTORY CAPITAL MANAGEMENT 158279 $22.04M Mar 2016
PEAK6 Investments 157200 $29.99M Dec 2015
Paulson & Co 157200 $21.89M Mar 2016
Royal Bank of Canada 153551 $21.38M Mar 2016
RidgeWorth Capital Management 153145 $21.32M Mar 2016
British Columbia Investment Management Corporation 151036 $17.63M Jun 2016
OHIO PERS 148601 $20.69M Mar 2016
MORGAN STANLEY 146679 $20.42M Mar 2016
Index Management Solutions 145807 $8.60M Sep 2015
UBS Group AG 143514 $19.87M Mar 2016
Candriam Luxembourg S.C.A. 143411 $16.74M Jun 2016
HealthCor Management 142920 $19.90M Mar 2016
ProFund Advisors 141513 $19.70M Mar 2016
BNP PARIBAS INVESTMENT PARTNERS S.A. 138737 $19.31M Mar 2016
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 136888 $26.11M Dec 2015
Skandinaviska Enskilda Banken AB 130220 $18.13M Mar 2016
Spot Trading L.L.C 130200 $18.13M Mar 2016
BNP PARIBAS ARBITRAGE, SNC 129063 $15.07M Jun 2016
Metropolitan Life Insurance Company 127065 $17.69M Mar 2016
Thornburg Investment Management 124171 $17.29M Mar 2016
AVIVA 123511 $17.20M Mar 2016
Rhenman & Partners Asset Management AB 121000 $16.85M Mar 2016
Apex Capital 120200 $22.93M Dec 2015
National Pension Service 119843 $16.68M Mar 2016
Great-West Life Assurance Company 119573 $16.68M Mar 2016
MACKENZIE FINANCIAL 113182 $15.76M Mar 2016
DekaBank Deutsche Girozentrale 111818 $21.44M Dec 2015
EULAV Asset Management 111000 $15.45M Mar 2016
HSBC HOLDINGS 110941 $21.14M Dec 2015
Macquarie 107330 $14.94M Mar 2016
Airain 106667 $14.85M Mar 2016
Fifth Third Ban 104476 $19.93M Dec 2015
DIAM 104403 $14.07M Mar 2016
Citi 101927 $19.44M Dec 2015
State of Tennessee, Treasury Department 100826 $19.23M Dec 2015
AMERICAN INTERNATIONAL 96847 $13.48M Mar 2016
NORDEA INVESTMENT MANAGEMENT AB 96537 $13.44M Mar 2016
Employees Retirement System of Texas 91366 $12.72M Mar 2016
Balyasny Asset Management 89886 $12.51M Mar 2016
Rainier Investment Management 88155 $12.27M Mar 2016
ING INVESTMENT MANAGEMENT 85747 $11.94M Mar 2016
Point72 Asset Management 85700 $11.93M Mar 2016

Who sold Alexion Pharmaceuticals?

Fund Name Date Sold Shares Held Valued At
Norges Bank Investment Management Dec. 31, 2015 1.71M $325.57M
Principal Financial Dec. 31, 2015 316710 $60.41M
Adage Capital Partners GP Dec. 31, 2015 305563 $58.29M
Name Goodman & Company, Investment Counsel Dec. 31, 2015 250000 $46.95M
LORD, ABBETT & CO Dec. 31, 2015 229415 $43.76M