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 22.82M $2.78B Jun 2017
BlackRock 19.36M $2.72B Sep 2017
Fmr 18.96M $2.66B Sep 2017
Vanguard 15.04M $2.11B Sep 2017
State Street Corporation 11.25M $1.58B Sep 2017
Baker Bros. Advisors 8.55M $1.20B Sep 2017
Ameriprise Financial 6.39M $896.50M Sep 2017
BlackRock Institutional Trust Company, N.A. 6.09M $745.06M Dec 2016
BlackRock Fund Advisors 5.51M $674.17M Dec 2016
Jennison Associates 5.33M $748.12M Sep 2017
Sands Capital Management 4.78M $670.02M Sep 2017
Inves 4.72M $661.86M Sep 2017
Goldman Sachs 3.74M $525.04M Sep 2017
OrbiMed Advisors 3.65M $511.43M Sep 2017
TIAA-CREF Investment Management 3.42M $480.07M Sep 2017
Bank of New York Mellon 3.35M $407.57M Jun 2017
ClearBridge Advisors 3.23M $453.80M Sep 2017
Northern Trust 3.03M $425.40M Sep 2017
Tourbillon Capital Partners 2.63M $368.27M Sep 2017
Franklin Resources 2.34M $328.29M Sep 2017
BlackRock Investment Management 2.31M $282.02M Dec 2016
Bank of America Corporation 2.21M $309.86M Sep 2017
Geode Capital Management 2.19M $307.18M Sep 2017
Waddell & Reed Financial 2.10M $294.14M Sep 2017
BlackRock 1.99M $243.16M Dec 2016
BlackRock Advisors 1.75M $214.24M Dec 2016
Ubs Global Asset Management Americas 1.70M $238.06M Sep 2017
Temasek Holdings 1.51M $211.18M Sep 2017
DSM Capital Partners 1.41M $197.83M Sep 2017
BB Biotech AG 1.35M $190.01M Sep 2017
Jpmorgan Chase & Co 1.31M $159.67M Jun 2017
Bank Of Montreal /can/ 1.25M $175.89M Sep 2017
Wells Fargo & Company 1.17M $142.94M Jun 2017
Citadel Advisors 1.16M $163.40M Sep 2017
Pictet Asset Management 1.13M $158.01M Sep 2017
Barclays 1.11M $156.21M Sep 2017
Palo Alto Investors 1.08M $151.56M Sep 2017
Henderson 1.04M $145.27M Sep 2017
Legal & General 1.02M $124.68M Jun 2017
Third Point 1000000 $140.29M Sep 2017
Janus Capital Management 982224 $119.08M Mar 2017
AQR Capital Management 944006 $132.43M Sep 2017
Eaton Vance Management 929054 $130.34M Sep 2017
American Century Companies 920074 $129.08M Sep 2017
Assenagon Asset Management S.A. 884150 $124.04M Sep 2017
Nomura Holdings 867642 $121.65M Sep 2017
Charles Schwab Investment Management 850333 $119.29M Sep 2017
Swiss National Bank 827141 $116.04M Sep 2017
Thrivent Financial for Lutherans 808232 $113.39M Sep 2017
Hambrecht & Quist Capital Management 750905 $105.34M Sep 2017
Bessemer 732572 $102.77M Sep 2017
Axa 717938 $100.72M Sep 2017
Tcw 708121 $99.34M Sep 2017
Parametric Portfolio Associates 691926 $97.07M Sep 2017
UBS Group AG 660155 $92.61M Sep 2017
Deutsche Bank Aktiengesellschaft 654637 $91.68M Sep 2017
Legg Mason Capital Management 630682 $88.48M Sep 2017
Sumitomo Mitsui Trust Holdings 626693 $87.92M Sep 2017
Teachers Advisors 617857 $86.68M Sep 2017
Credit Suisse AG 608738 $0 Jun 2017
London Company 603280 $84.63M Sep 2017
Morgan Stanley 585482 $70.98M Mar 2017
Federated Investors 570048 $79.98M Sep 2017
New York State Common Retirement Fund 566549 $68.93M Jun 2017
OTR - Nominee Name for The State Teachers Retirement Board of Ohio 557938 $78.27M Sep 2017
Bridger Management 555120 $77.88M Sep 2017
Senator Investment 550000 $77.16M Sep 2017
Polar Capital 533000 $74.77M Sep 2017
Alliancebernstein 515592 $72.33M Sep 2017
CalPERS 463579 $65.04M Sep 2017
Rock Springs Capital Management 463000 $64.95M Sep 2017
Westfield Capital Management Company 453167 $63.57M Sep 2017
Guggenheim Capital, LLC Managers 447804 $62.80M Sep 2017
Mitsubishi UFJ Trust & Banking 447478 $62.78M Sep 2017
Lmm 444425 $62.35M Sep 2017
Renaissance Technologies 442200 $62.04M Sep 2017
Two Sigma Investments 440920 $53.46M Mar 2017
TD Asset Management 426225 $59.80M Sep 2017
Two Sigma Advisers 408740 $49.56M Mar 2017
Canada Pension Plan Investment Board 392696 $55.09M Sep 2017
Rhumbline Advisers 392355 $47.74M Jun 2017
EULAV Asset Management 387000 $54.29M Sep 2017
Adage Capital Partners GP 385698 $54.11M Sep 2017
State Treasurer State Of Michigan 367678 $51.58M Sep 2017
California State Teachers Retirement System 367615 $51.57M Sep 2017
Tobam 366850 $51.47M Sep 2017
Dimensional Fund Advisors 360706 $50.60M Sep 2017
New York State Teachers Retirement System 356127 $49.96M Sep 2017
Diam 353205 $49.52M Sep 2017
State of Tennessee, Treasury Department 351003 $49.24M Sep 2017
Hsbc Holdings 335058 $46.94M Sep 2017
Florida State Board of Administration 326060 $45.74M Sep 2017
First Trust Advisors 325358 $45.64M Sep 2017
Principal Financial 323114 $45.33M Sep 2017
BlackRock Japan 299847 $36.69M Dec 2016
Columbus Circle Investors 297048 $41.67M Sep 2017
Calamos Advisors 290711 $40.78M Sep 2017
Neuberger Berman 271171 $38.04M Sep 2017
Candriam Luxembourg S.C.A. 268918 $37.73M Sep 2017
Credit Agricole S.A. 266204 $37.41M Sep 2017
Millennium Management 264088 $37.05M Sep 2017
Allianz Asset Management AG 252418 $35.41M Sep 2017
Manufacturers Life Insurance Company 247710 $34.81M Sep 2017
State of Wisconsin Investment Board 247254 $34.69M Sep 2017
Cadian Capital Management 245000 $34.37M Sep 2017
State of New Jersey Common Pension Fund D 235000 $32.97M Sep 2017
Van Eck Associates 224419 $31.48M Sep 2017
Lord, Abbett & Co 213881 $30.01M Sep 2017
ProShare Advisors 208206 $29.21M Sep 2017
National Pension Service 204795 $28.33M Sep 2017
Citi 204313 $28.67M Sep 2017
Chevy Chase Trust Holdings 194893 $27.34M Sep 2017
Honeywell International 189400 $26.57M Sep 2017
Aviva 188987 $26.51M Sep 2017
Raymond James & Associates 185904 $26.08M Sep 2017
Twin Tree Management 185022 $25.96M Sep 2017
Laurion Capital Management 182698 $25.63M Sep 2017
Cutler 182358 $25.58M Sep 2017
Nationwide Fund Advisors 181165 $25.42M Sep 2017
Teachers Retirement System Of The State Of Kentucky 177622 $21.61M Jun 2017
Factory Mutual Insurance Company 175300 $24.59M Sep 2017
Balyasny Asset Management 172944 $24.26M Sep 2017
Spot Trading 171978 $24.13M Sep 2017
Ardsley Advisory Partners 171500 $24.06M Sep 2017
Retirement Systems of Alabama 168979 $20.56M Jun 2017
Rhenman & Partners Asset Management AB 165000 $23.15M Sep 2017
First Quadrant 163519 $22.94M Sep 2017
Great-West Life Assurance Company 160902 $19.55M Jun 2017
Ohio Pers 151163 $18.39M Jun 2017
Commerzbank Aktiengesellschaft 149770 $21.01M Sep 2017
Employees Retirement System of Texas 147862 $20.74M Sep 2017
Boston Advisors 144926 $20.33M Sep 2017
Capital Research Global Investors^ 141225 $17.12M Mar 2017
Gateway Investment Advisers 140338 $19.69M Sep 2017
Jane Street 135547 $19.02M Sep 2017
Bnp Paribas Arbitrage, Snc 135497 $19.01M Sep 2017
Wolverine Trading 131613 $18.49M Sep 2017
Skandinaviska Enskilda Banken AB 130340 $18.29M Sep 2017
HAP Trading 126764 $17.78M Sep 2017
EverPoint Asset Management 124000 $15.17M Dec 2016
Victory Capital Management 121142 $17.00M Sep 2017
Macquarie 119594 $16.79M Sep 2017
United Services Automobile Association 118340 $16.60M Sep 2017
Loomis, Sayles and 118055 $16.56M Sep 2017
PEAK6 Investments 117759 $16.52M Sep 2017
Bridgewater Associates 117418 $16.47M Sep 2017
D. E. Shaw & Co 115759 $16.24M Sep 2017
DekaBank Deutsche Girozentrale 114050 $14.06M Jun 2017
Metropolitan Life Insurance Company 113111 $15.87M Sep 2017
Massachusetts Financial Services Co /ma/ 111383 $15.63M Sep 2017

Who sold Alexion Pharmaceuticals?

Fund Name Date Sold Shares Held Valued At
Susquehanna International June 30, 2017 2.08M $253.58M
HealthCor Management March 31, 2017 950000 $115.18M
Point72 Asset Management June 30, 2017 622600 $75.75M
Capital Fund Management S.A. June 30, 2017 478692 $58.24M
Prudential Financial June 30, 2017 387488 $47.15M
Paulson & Co June 30, 2017 303200 $36.89M
AMF Pensionsforsakring AB June 30, 2017 282644 $34.27M