Who owns Biogen Idec?

Top Holders and Investors of BIIB Stock

Find out who owns Biogen Idec, who bought BIIB this quarter, and who sold BIIB?

Fund or Company Name Number of Shares Valued At Change in Shares As Of
BlackRock 15.66M $4.65B 1% Dec 2019
PRIMECAP Management Company 15.19M $4.51B 7% Dec 2019
Vanguard 13.87M $4.12B -2% Dec 2019
State Street Corporation 8.23M $2.44B 100% Dec 2019
ClearBridge Advisors 5.14M $1.51B -18% Dec 2019
Wellington Management Company 4.66M $1.38B 27% Dec 2019
Renaissance Technologies 4.57M $1.36B 8% Dec 2019
Geode Capital Management 3.30M $978.44M -1% Dec 2019
Susquehanna International 2.96M $879.36M 3% Dec 2019
AQR Capital Management 2.64M $781.01M -25% Dec 2019
Northern Trust 2.49M $739.23M -11% Dec 2019
Arrowstreet Capital, Limited Partnership 2.42M $718.14M -9% Dec 2019
Norges Bank Investment Management 2.41M $716.19M 100% Dec 2019
Bank of New York Mellon 2.12M $628.27M 12% Dec 2019
T. Rowe Price Associates 2.01M $596.99M 82% Dec 2019
Citadel Advisors 1.96M $580.61M 33% Dec 2019
Capital World Investors^ 1.83M $542.50M -44% Dec 2019
Goldman Sachs 1.81M $535.78M -1% Dec 2019
D. E. Shaw & Co 1.77M $523.97M -39% Dec 2019
Fmr 1.46M $432.81M -15% Dec 2019
Jpmorgan Chase & Co 1.44M $427.21M 55% Dec 2019
Bank of America Corporation 1.43M $424.42M -16% Dec 2019
Robeco Investment Management 1.40M $415.75M -7% Dec 2019
Deutsche Bank Aktiengesellschaft 1.37M $407.06M -24% Dec 2019
American Century Companies 1.31M $390.17M -9% Dec 2019
Legal & General 1.26M $372.45M 1% Dec 2019
LSV Asset Management 1.12M $332.29M 0% Dec 2019
Ubs Global Asset Management Americas 1.11M $328.58M -4% Dec 2019
Inves 1.09M $324.68M -62% Dec 2019
Barclays 973226 $289.18M 21% Dec 2019
Charles Schwab Investment Management 934331 $277.24M -3% Dec 2019
Prudential Financial 889071 $263.96M -5% Dec 2019
Pioneer Investment Management 860123 $255.22M 279% Dec 2019
Dimensional Fund Advisors 835322 $247.85M 21% Dec 2019
Wells Fargo & Company 834205 $247.54M -2% Dec 2019
Sumitomo Mitsui Trust Holdings 759460 $225.35M -11% Dec 2019
Credit Suisse AG 745268 $221.15M 0% Dec 2019
Citi 735181 $218.16M 10% Dec 2019
Man 709416 $210.51M 2% Dec 2019
Berkshire Hathaway 648447 $192.44M 100% Dec 2019
Sarissa Capital Management 643000 $190.80M 0% Dec 2019
Pictet Asset Management 637685 $189.22M -16% Dec 2019
Allianz Asset Management AG 633725 $188.05M 12% Dec 2019
Parametric Portfolio Associates 629461 $186.78M 0% Dec 2019
Franklin Resources 589130 $174.81M 3% Dec 2019
Swiss National Bank 581558 $172.57M -9% Dec 2019
PEAK6 Investments 561995 $166.76M 102% Dec 2019
UBS Group AG 558899 $165.83M 100% Dec 2019
First Trust Advisors 542423 $160.95M 28% Dec 2019
Millennium Management 535714 $158.97M -37% Dec 2019
Glenmede Trust Company, N.A. 533522 $158.31M -15% Dec 2019
Nordea Investment Management Ab 522041 $154.63M 2% Dec 2019
Schroder Investment Management 486109 $144.25M -2% Dec 2019
Assenagon Asset Management S.A. 476841 $141.49M -29% Dec 2019
Redmile 457500 $135.75M 100% Dec 2019
CalPERS 454203 $134.78M -8% Dec 2019
Hsbc Holdings 444456 $131.89M 3% Dec 2019
Alliancebernstein 430454 $127.73M -71% Dec 2019
Morgan Stanley 426216 $126.45M -36% Dec 2019
Royal Bank of Canada 425757 $126.33M -3% Dec 2019
New York State Common Retirement Fund 420110 $124.66M -5% Dec 2019
Van Eck Associates 408896 $121.33M 13% Dec 2019
Thomas Stevens, CFA" 400581 $118.86M 272% Dec 2019
Bank of Nova Scotia 396087 $117.54M 97% Dec 2019
Candriam Luxembourg S.C.A. 394265 $116.99M -10% Dec 2019
California State Teachers Retirement System 390149 $115.77M 15% Dec 2019
Skandinaviska Enskilda Banken AB 365627 $109.69M -20% Dec 2019
Russell Investments 360956 $107.08M -4% Dec 2019
Jacobs Levy Equity Management 358313 $106.32M 16% Dec 2019
Rhumbline Advisers 351699 $104.36M -1% Dec 2019
Camber Capital Management 350000 $103.86M 0% Dec 2019
Raymond James & Associates 337160 $100.05M -9% Dec 2019
Wolverine Trading 326116 $96.53M 0% Dec 2019
New York State Teachers Retirement System 304929 $90.48M -2% Dec 2019
PanAgora Asset Management 301470 $89.46M 14% Dec 2019
Massachusetts Financial Services Co /ma/ 300733 $89.24M -34% Dec 2019
Fort Washington Investment Advisors 296479 $87.94M -16% Dec 2019
Banco Santander, S.A. 292967 $86.94M -15% Dec 2019
APG All Pensions Group NV 285922 $75.58M 5% Dec 2019
Hambrecht & Quist Capital Management 285126 $84.61M 11% Dec 2019
GMT Capital 277370 $82.30M 7% Dec 2019
Ensign Peak Advisors 276302 $81.99M 100% Dec 2019
Principal Financial 272821 $80.95M -5% Dec 2019
Railway Pension Investments 272076 $80.73M 7% Dec 2019
Hotchkis and Wiley Capital Management 271471 $80.55M 14% Dec 2019
Partner Fund Management 258628 $76.74M 100% Dec 2019
Twin Tree Management 255823 $75.91M -33% Dec 2019
National Pension Service 254305 $75.46M 0% Dec 2019
Florida State Board of Administration 252895 $75.04M -2% Dec 2019
Holocene Advisors 249942 $74.17M 100% Dec 2019
Saratoga Research & Investment Management 243419 $72.23M 1% Dec 2019
Jane Street 238621 $70.81M -25% Dec 2019
Putnam Investments 238070 $70.64M -2% Dec 2019
Bank Of Montreal /can/ 225526 $66.92M -41% Dec 2019
Alberta Investment Management Corporation 222300 $65.96M 21% Dec 2019
Bridgeway Capital Management 220875 $65.54M -11% Dec 2019
Robeco Institutional Asset Management B V 220780 $65.51M -8% Dec 2019
Teacher Retirement System Of Texas 218918 $64.96M 74% Dec 2019
Victory Capital Management 217934 $64.67M 0% Dec 2019
Great-West Life Assurance Company 217507 $64.00M -5% Dec 2019
Korea Investment Corporation 212303 $63.00M 6% Dec 2019
Aperio 210471 $62.45M -3% Dec 2019
Adage Capital Partners GP 208700 $61.93M 100% Dec 2019
Mitsubishi UFJ Trust & Banking 207626 $61.61M 1% Dec 2019
Two Sigma Advisers 203100 $60.27M -66% Dec 2019
Worldquant Millennium Quantitative Strategies 202263 $60.02M 8% Dec 2019
ProShare Advisors 200281 $59.43M 11% Dec 2019
Balyasny Asset Management 199669 $59.25M 1347% Dec 2019
Ameriprise Financial 195779 $58.09M -12% Dec 2019
Kiltearn Partners 190200 $56.44M -17% Dec 2019
Axa 185355 $54.76M 13% Dec 2019
Jefferies 184867 $54.86M 14% Dec 2019
Natixis 183563 $54.34M 15% Dec 2019
Mn Services Vermogensbeheer B.V. 178908 $53.09M 3% Dec 2019
Toronto-Dominion Bank 173734 $51.29M 20% Dec 2019
Eaton Vance Management 172330 $51.14M 1% Dec 2019
Wintrust Financial Corporation 170981 $50.72M -25% Dec 2019
Manufacturers Life Insurance Company 169450 $50.28M -75% Dec 2019
Bnp Paribas Investment Partners S.a. 164722 $48.81M 16% Dec 2019
Letko, Brosseau & Associates 161763 $48.00M -4% Dec 2019
Gotham Asset Management 159766 $47.41M -9% Dec 2019
Federated Investors 158866 $47.13M -50% Dec 2019
Envestnet Asset Management 158468 $47.02M 9% Dec 2019
Bnp Paribas Arbitrage, Snc 156152 $46.33M -66% Dec 2019
State of Wisconsin Investment Board 155313 $46.09M -16% Dec 2019
Parallax Volatility Advisers 155118 $46.54M -17% Dec 2019
Swedbank 154933 $45.86M -1% Dec 2019
Seizert Capital Partners 153127 $45.44M -20% Dec 2019
Chevy Chase Trust Holdings 152119 $45.14M -2% Dec 2019
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 147455 $43.64M -19% Dec 2019
Canada Pension Plan Investment Board 145880 $43.29M -68% Dec 2019
Guggenheim Capital, LLC Managers 144195 $42.83M -8% Dec 2019
KBC Group NV 143623 $42.64M -7% Dec 2019
Smith Asset Management 142421 $42.26M -24% Dec 2019
AMP Capital Investors 138903 $41.04M -12% Dec 2019
Fred Alger Management 138845 $41.20M 100% Dec 2019
Ing Investment Management 138758 $41.18M -2% Dec 2019
Altrinsic Global Advisors 135944 $40.34M -10% Dec 2019
Tocqueville Asset Management 135817 $40.30M -3% Dec 2019
State of New Jersey Common Pension Fund D 134582 $39.93M -12% Dec 2019
WEDGE Capital Management L 134086 $39.79M -16% Dec 2019
Voloridge Investment Management 131953 $39.15M 54% Dec 2019
Macquarie 131159 $38.94M -67% Dec 2019
AMF Pensionsforsakring AB 128961 $38.27M -9% Dec 2019
Stifel Financial 128903 $38.25M 59% Dec 2019
Armistice Capital 128000 $37.98M -14% Dec 2019
Sei Investments 126652 $37.58M 7% Dec 2019
Old Mutual Asset Managers 125366 $37.20M 48% Dec 2019
Teachers Retirement System Of The State Of Kentucky 123740 $36.72M 117% Dec 2019
Standard Life Aberdeen 122220 $36.27M -5% Dec 2019
Capstone Investment Advisors 119403 $35.47M -10% Dec 2019
Tom Rawlings 112583 $33.41M -28% Dec 2019
Krensavage Asset Management 109904 $32.61M -38% Dec 2019
Tobam 101005 $29.97M -22% Dec 2019
Cambiar Investors 99622 $29.56M -22% Dec 2019
Gateway Investment Advisers 96162 $28.53M -22% Dec 2019
Fisher Investments 90777 $26.94M -27% Dec 2019
DekaBank Deutsche Girozentrale 73612 $22.01M -47% Dec 2019
Laurion Capital Management 72300 $21.46M -82% Dec 2019
Virginia Retirement System 71200 $21.13M -64% Dec 2019
HAP Trading 57900 $1.24M -63% Dec 2019
Snow Capital Management 50485 $14.98M -64% Dec 2019
Jackson Square Partners 8440 $2.50M -99% Dec 2019

Who sold out of BIIB?

Fund Name Date Sold Shares Held Valued At
Nuveen Asset Management Sep 2019 1.21M $281.34M
HealthCor Management Sep 2019 906860 $211.14M
Parnassus Investments Sep 2019 574416 $133.74M
DLD Asset Management Sep 2019 303400 $70.67M
Bridgewater Associates Sep 2019 237455 $55.28M
J O Hambro Investment Management Sep 2019 191217 $44.52M
Prudential Sep 2019 178663 $41.60M
Davide Leone & Partners Investment Sep 2019 139107 $32.39M