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
Fmr 21.37M $2.60B Jun 2017
Vanguard 14.79M $1.80B Jun 2017
State Street Corporation 11.86M $1.44B Jun 2017
Baker Bros. Advisors 8.55M $1.04B Jun 2017
Sands Capital Management 6.35M $772.13M Jun 2017
Ameriprise Financial 6.18M $751.35M Jun 2017
BlackRock Institutional Trust Company, N.A. 6.09M $745.06M Dec 2016
BlackRock Fund Advisors 5.51M $674.17M Dec 2016
Goldman Sachs 5.05M $614.37M Jun 2017
Inves 4.40M $535.86M Jun 2017
OrbiMed Advisors 3.87M $471.08M Jun 2017
Bank of New York Mellon 3.35M $407.57M Jun 2017
TIAA-CREF Investment Management 3.22M $391.77M Jun 2017
ClearBridge Advisors 3.06M $372.68M Jun 2017
Northern Trust 2.97M $360.98M Jun 2017
Franklin Resources 2.40M $292.32M Jun 2017
BlackRock Investment Management 2.31M $282.02M Dec 2016
Geode Capital Management 2.16M $262.51M Jun 2017
Susquehanna International 2.08M $253.58M Jun 2017
Tourbillon Capital Partners 2.05M $249.30M Jun 2017
BlackRock 1.99M $243.16M Dec 2016
BlackRock Advisors 1.75M $214.24M Dec 2016
Citadel Advisors 1.72M $209.03M Jun 2017
Bank of America Corporation 1.68M $204.15M Mar 2017
Waddell & Reed Financial 1.66M $201.72M Jun 2017
Barclays 1.62M $197.44M Jun 2017
Nomura Holdings 1.51M $184.25M Jun 2017
Temasek Holdings 1.45M $176.78M Jun 2017
Bank Of Montreal /can/ 1.42M $173.18M Jun 2017
BB Biotech AG 1.35M $164.79M Jun 2017
Jpmorgan Chase & Co 1.31M $159.67M Jun 2017
Third Point 1.25M $152.09M Jun 2017
Ubs Global Asset Management Americas 1.19M $144.62M Jun 2017
Wells Fargo & Company 1.17M $142.94M Jun 2017
DSM Capital Partners 1.17M $142.01M Jun 2017
Palo Alto Investors 1.03M $125.43M Jun 2017
Legal & General 1.02M $124.68M Jun 2017
Deutsche Bank Aktiengesellschaft 1.01M $122.44M Jun 2017
Teachers Advisors 995930 $121.17M Jun 2017
Janus Capital Management 982224 $119.08M Mar 2017
Thrivent Financial for Lutherans 852166 $103.68M Jun 2017
Eaton Vance Management 837141 $101.85M Jun 2017
Legg Mason Capital Management 826840 $100.60M Jun 2017
Axa 820927 $99.88M Jun 2017
Swiss National Bank 820741 $99.86M Jun 2017
American Century Companies 797371 $97.02M Jun 2017
Charles Schwab Investment Management 795572 $96.80M Jun 2017
Pictet Asset Management 767580 $75.25M Jun 2017
Hambrecht & Quist Capital Management 750905 $91.36M Jun 2017
Tcw 729267 $88.73M Jun 2017
Bessemer 721404 $87.77M Jun 2017
HAP Trading 694347 $1.06M Jun 2017
Senator Investment 675000 $82.13M Jun 2017
Parametric Portfolio Associates 668143 $81.29M Jun 2017
BlackRock 667724 $81.70M Dec 2016
Jennison Associates 650300 $79.12M Jun 2017
Sumitomo Mitsui Trust Holdings 634410 $77.19M Jun 2017
Federated Investors 630864 $76.76M Jun 2017
Point72 Asset Management 622600 $75.75M Jun 2017
London Company 620834 $75.54M Jun 2017
Credit Suisse AG 608738 $0 Jun 2017
Morgan Stanley 585482 $70.98M Mar 2017
New York State Common Retirement Fund 566549 $68.93M Jun 2017
Alliancebernstein 565114 $68.76M Jun 2017
Guggenheim Capital, LLC Managers 555343 $67.57M Jun 2017
OTR - Nominee Name for The State Teachers Retirement Board of Ohio 533182 $64.87M Jun 2017
Cutler 524735 $63.84M Jun 2017
Citi 505495 $61.50M Jun 2017
Capital Fund Management S.A. 478692 $58.24M Jun 2017
Rock Springs Capital Management 463000 $56.33M Jun 2017
Millennium Management 453747 $55.21M Jun 2017
Mitsubishi UFJ Trust & Banking 452817 $55.09M Jun 2017
Lmm 450725 $54.84M Jun 2017
CalPERS 447991 $54.51M Jun 2017
UBS Group AG 445604 $54.22M Jun 2017
Two Sigma Investments 440920 $53.46M Mar 2017
Tobam 420815 $51.20M Jun 2017
Two Sigma Advisers 408740 $49.56M Mar 2017
California State Teachers Retirement System 404755 $49.25M Jun 2017
TD Asset Management 397087 $48.31M Jun 2017
Rhumbline Advisers 392355 $47.74M Jun 2017
Prudential Financial 387488 $47.15M Jun 2017
EULAV Asset Management 387000 $47.09M Jun 2017
Jane Street 383390 $46.65M Jun 2017
State of Tennessee, Treasury Department 380624 $46.31M Jun 2017
State Treasurer State Of Michigan 373778 $45.48M Jun 2017
Dimensional Fund Advisors 364268 $44.32M Jun 2017
New York State Teachers Retirement System 363413 $44.22M Jun 2017
Canada Pension Plan Investment Board 351796 $42.80M Jun 2017
Adage Capital Partners GP 349881 $42.57M Jun 2017
Diam 345973 $42.11M Jun 2017
Principal Financial 335525 $40.82M Jun 2017
Calamos Advisors 334488 $40.70M Jun 2017
Spot Trading 333556 $40.58M Jun 2017
Westfield Capital Management Company 331270 $40.31M Jun 2017
AQR Capital Management 328408 $39.96M Jun 2017
First Trust Advisors 327953 $39.90M Jun 2017
Allianz Asset Management AG 327447 $39.84M Jun 2017
Florida State Board of Administration 325500 $39.60M Jun 2017
Paulson & Co 303200 $36.89M Jun 2017
BlackRock Japan 299847 $36.69M Dec 2016
D. E. Shaw & Co 289584 $35.23M Jun 2017
Van Eck Associates 284126 $34.57M Jun 2017
AMF Pensionsforsakring AB 282644 $34.27M Jun 2017
Neuberger Berman 272363 $33.14M Jun 2017
State of Wisconsin Investment Board 265316 $32.28M Jun 2017
Balyasny Asset Management 255730 $31.11M Jun 2017
Manufacturers Life Insurance Company 247248 $30.08M Jun 2017
Nationwide Fund Advisors 242098 $29.35M Mar 2017
Candriam Luxembourg S.C.A. 222098 $27.02M Jun 2017
Renaissance Technologies 212300 $25.83M Jun 2017
Bridger Management 206006 $25.06M Jun 2017
ProShare Advisors 205165 $24.96M Jun 2017
Camber Capital Management 200000 $24.33M Jun 2017
National Pension Service 196684 $24.08M Jun 2017
Factory Mutual Insurance Company 194400 $23.65M Jun 2017
Chevy Chase Trust Holdings 193696 $23.58M Jun 2017
Honeywell International 189300 $23.03M Jun 2017
Aviva 186865 $22.74M Jun 2017
State of New Jersey Common Pension Fund D 180000 $21.90M Jun 2017
Hsbc Holdings 178841 $21.82M Jun 2017
Teachers Retirement System Of The State Of Kentucky 177622 $21.61M Jun 2017
Ardsley Advisory Partners 176500 $21.47M Jun 2017
Cadian Capital Management 175000 $21.29M Jun 2017
First Quadrant 171446 $20.86M Jun 2017
Retirement Systems of Alabama 168979 $20.56M Jun 2017
PEAK6 Investments 167655 $20.40M Jun 2017
Loomis, Sayles and 165552 $20.14M Jun 2017
Polar Capital 164712 $20.04M Jun 2017
British Columbia Investment Management Corporation 163641 $19.91M Jun 2017
Great-West Life Assurance Company 160902 $19.55M Jun 2017
Boston Advisors 154741 $18.83M Jun 2017
Gateway Investment Advisers 154531 $18.80M Jun 2017
Rhenman & Partners Asset Management AB 154000 $18.74M Jun 2017
Cornerstone Capital Management 153765 $18.84M Sep 2016
Ohio Pers 151163 $18.39M Jun 2017
RidgeWorth Capital Management 150319 $18.22M Mar 2017
Fred Alger Management 148697 $18.09M Jun 2017
Ghost Tree Capital 145000 $17.64M Jun 2017
Skandinaviska Enskilda Banken AB 142971 $17.40M Jun 2017
Clough Capital Partners L P 141859 $17.26M Jun 2017
Capital Research Global Investors^ 141225 $17.12M Mar 2017
Commerzbank Aktiengesellschaft 132698 $16.15M Jun 2017
Group One Trading 132640 $16.14M Jun 2017
Macquarie 131994 $16.06M Jun 2017
Highbridge Capital Management 128841 $15.68M Jun 2017
EverPoint Asset Management 124000 $15.17M Dec 2016
Raymond James & Associates 122925 $14.96M Jun 2017
Employees Retirement System of Texas 122378 $14.89M Jun 2017

Who sold Alexion Pharmaceuticals?

Fund Name Date Sold Shares Held Valued At
Brown Advisory Holdings Incorporated March 31, 2017 2.51M $304.16M
Manning & Napier Advisors March 31, 2017 1.11M $134.04M
HealthCor Management March 31, 2017 950000 $115.18M
Putnam Investments March 31, 2017 948121 $114.95M
Massachusetts Financial Services Co /ma/ March 31, 2017 644151 $78.10M
Sachem Head Capital Management March 31, 2017 635000 $76.99M
Marshall Wace North America March 31, 2017 539002 $65.22M
Marshall Wace Asia March 31, 2017 539002 $65.22M
Carlson Capital March 31, 2017 374500 $45.40M
The Cypress Funds March 31, 2017 272000 $32.98M
Sei Investments March 31, 2017 265194 $32.15M