Who owns Biogen Idec?

Top Holders and Investors of BIIB Stock

Find out what company owns Biogen Idec, who bought BIIB this quarter, and who sold shares of BIIB stock?

Fund or Company Name Number of Shares Valued At As Of
PRIMECAP Management Company 16.25M $4.23B Mar 2016
ROYAL LONDON ASSET MANAGEMENT 14.19M $0 Mar 2016
FMR 13.49M $3.51B Mar 2016
Vanguard 13.23M $4.05B Dec 2015
STATE STREET CORPORATION 8.93M $2.32B Mar 2016
ClearBridge Advisors 8.47M $2.20B Mar 2016
T. Rowe Price Associates 8.12M $2.11B Mar 2016
BlackRock Institutional Trust Company, N.A. 5.77M $1.50B Mar 2016
BlackRock Fund Advisors 4.77M $1.24B Mar 2016
Wellington Management Company 4.66M $1.21B Mar 2016
Ameriprise Financial 4.10M $1.07B Mar 2016
JPMORGAN CHASE & CO 3.79M $985.29M Mar 2016
Inves 3.62M $941.24M Mar 2016
Jennison Associates 3.47M $902.08M Mar 2016
SUSQUEHANNA INTERNATIONAL 3.14M $962.57M Dec 2015
Sands Capital Management 3.14M $817.69M Mar 2016
NORTHERN TRUST 3.00M $781.74M Mar 2016
ALLIANCEBERNSTEIN 2.83M $866.49M Dec 2015
Jackson Square Partners 2.81M $806.16M Mar 2016
Bank of America Corporation 2.53M $659.08M Mar 2016
D. E. Shaw & Co 2.51M $653.80M Mar 2016
Franklin Resources 2.07M $538.16M Mar 2016
BlackRock 2.01M $523.57M Mar 2016
Geode Capital Management 2.00M $508.05M Mar 2016
GOLDMAN SACHS 1.80M $467.64M Mar 2016
OppenheimerFunds 1.65M $428.54M Mar 2016
TIAA-CREF Investment Management 1.53M $397.79M Mar 2016
OrbiMed Advisors 1.53M $397.33M Mar 2016
American Century Companies 1.30M $339.26M Mar 2016
Waddell & Reed Financial 1.27M $330.47M Mar 2016
Deutsche Bank Aktiengesellschaft 1.24M $322.91M Mar 2016
UBS GLOBAL ASSET MANAGEMENT AMERICAS 1.12M $292.85M Mar 2016
MORGAN STANLEY 1.08M $282.18M Mar 2016
BlackRock Advisors 1.07M $278.55M Mar 2016
Macquarie 997758 $259.74M Mar 2016
Legal & General 970581 $252.66M Mar 2016
Sunrise Partners Limited Partnership 932046 $242.56M Mar 2016
Janus Capital Management 898060 $233.84M Mar 2016
Allianz Asset Management AG 858552 $223.50M Mar 2016
Wells Fargo & Company 852233 $221.86M Mar 2016
Millennium Management 830983 $216.32M Mar 2016
BlackRock Investment Management 808975 $210.59M Mar 2016
PRUDENTIAL FINANCIAL 785214 $204.41M Mar 2016
Parametric Portfolio Associates 772397 $201.07M Mar 2016
FRED ALGER MANAGEMENT 707903 $184.28M Mar 2016
Manufacturers Life Insurance Company 688196 $174.93M Mar 2016
Sumitomo Mitsui Trust Holdings 677502 $176.37M Mar 2016
Credit Suisse AG 650658 $169.39M Mar 2016
Charles Schwab Investment Management 633567 $164.93M Mar 2016
New York State Common Retirement Fund 618940 $161.12M Mar 2016
PUTNAM INVESTMENTS 603609 $157.13M Mar 2016
Capital World Investors^ 600000 $156.19M Mar 2016
AXA 588916 $180.41M Dec 2015
Swiss National Bank 579099 $144.48M Mar 2016
ING INVESTMENT MANAGEMENT 563747 $146.75M Mar 2016
CalPERS 563300 $146.64M Mar 2016
BlackRock 562704 $146.48M Mar 2016
APG All Pensions Group NV 556425 $144.85M Mar 2016
Mitsubishi UFJ Trust & Banking 515567 $134.21M Mar 2016
Westfield Capital Management Company 513667 $157.36M Dec 2015
Balyasny Asset Management 481967 $125.47M Mar 2016
DIMENSIONAL FUND ADVISORS 476646 $124.06M Mar 2016
California State Teachers Retirement System 473577 $123.28M Mar 2016
Hambrecht & Quist Capital Management 450533 $117.28M Mar 2016
Barclays 449301 $116.82M Mar 2016
NEW YORK STATE TEACHERS RETIREMENT SYSTEM 430964 $104.22M Jun 2016
NORDEA INVESTMENT MANAGEMENT AB 427627 $111.32M Mar 2016
Old Mutual Asset Managers 422292 $102.12M Jun 2016
Royal Bank of Canada 414426 $103.61M Mar 2016
Citi 403205 $123.52M Dec 2015
Artal Group S.A. 400000 $104.13M Mar 2016
NORDEA INVESTMENT MANAGEMENT AB 393058 $95.05M Jun 2016
State of Tennessee, Treasury Department 383602 $117.51M Dec 2015
Visium Asset Management 381642 $99.35M Mar 2016
Adage Capital Partners GP 374324 $97.44M Mar 2016
WILLIAM BLAIR INVESTMENT MANAGEMENT 371446 $96.69M Mar 2016
WestEnd Advisors 369699 $96.24M Mar 2016
Teachers Advisors 366608 $95.44M Mar 2016
Cambiar Investors 360278 $93.79M Mar 2016
Samlyn Capital 360007 $93.72M Mar 2016
Mizuho Trust & Banking 345824 $90.02M Mar 2016
Guggenheim Capital, LLC Managers 339479 $88.39M Mar 2016
CITADEL ADVISORS 339068 $88.26M Mar 2016
State of New Jersey Common Pension Fund D 338485 $88.11M Mar 2016
ATLANTA CAPITAL MANAGEMENT CO L L C 338480 $88.11M Mar 2016
Glenmede Trust Company, N.A. 336208 $87.52M Mar 2016
Legg Mason Capital Management 336030 $87.48M Mar 2016
RHUMBLINE ADVISERS 334219 $87.00M Mar 2016
UBS Group AG 327904 $85.26M Mar 2016
HSBC HOLDINGS 312977 $95.85M Dec 2015
Sarissa Capital Management 310000 $80.70M Mar 2016
BlackRock Japan 303831 $79.09M Mar 2016
Gotham Asset Management 298673 $77.75M Mar 2016
AQR Capital Management 288214 $75.03M Mar 2016
AMF Pensionsforsakring AB 284958 $74.18M Mar 2016
PICTET ASSET MANAGEMENT 281519 $86.27M Dec 2015
Skandinaviska Enskilda Banken AB 279200 $72.68M Mar 2016
Florida State Board of Administration 275221 $71.65M Mar 2016
OTR - Nominee Name for The State Teachers Retirement Board of Ohio 274158 $71.37M Mar 2016
TEACHER RETIREMENT SYSTEM OF TEXAS 264281 $68.80M Mar 2016
Credit Agricole S.A. 263118 $68.41M Mar 2016
VAN ECK ASSOCIATES 259820 $79.60M Dec 2015
Highline Capital Management 258674 $67.34M Mar 2016
Two Sigma Advisers 256969 $66.89M Mar 2016
Two Sigma Investments 251912 $65.58M Mar 2016
Cutler 245514 $59.37M Jun 2016
Raymond James & Associates 244516 $63.65M Mar 2016
Korea Investment Corporation 241912 $62.97M Mar 2016
Robeco Institutional Asset Management B V 240951 $58.26M Jun 2016
PEAK6 Investments 236173 $72.35M Dec 2015
Sectoral Asset Management 234572 $61.06M Mar 2016
VIKING GLOBAL INVESTORS 230947 $60.12M Mar 2016
Swedbank 228527 $55.26M Jun 2016
First Eagle Investment Management 224585 $58.46M Mar 2016
TD Asset Management 205208 $53.42M Mar 2016
Honeywell International 204600 $53.26M Mar 2016
ProShare Advisors 203240 $52.91M Mar 2016
Chevy Chase Trust Holdings 200542 $48.49M Jun 2016
Fort Washington Investment Advisors 200507 $52.20M Mar 2016
Senator Investment 200000 $52.06M Mar 2016
Retirement Systems of Alabama 199900 $52.04M Mar 2016
Name Goodman & Company, Investment Counsel 193020 $82.57M Mar 2016
Nationwide Fund Advisors 188548 $44.34M Mar 2016
DekaBank Deutsche Girozentrale 186206 $57.72M Dec 2015
FIL 184049 $47.91M Mar 2016
Candriam Luxembourg S.C.A. 181400 $46.97M Mar 2016
Camber Capital Management 175000 $45.56M Mar 2016
United Services Automobile Association 174783 $45.50M Mar 2016
Gateway Investment Advisers 173476 $41.95M Jun 2016
State of Wisconsin Investment Board 172991 $45.03M Mar 2016
Frank Russell Company 171852 $44.73M Mar 2016
Tocqueville Asset Management 170921 $44.49M Mar 2016
GMT Capital 170000 $44.25M Mar 2016
PanAgora Asset Management 167371 $43.57M Mar 2016
BNP PARIBAS INVESTMENT PARTNERS S.A. 164201 $42.74M Mar 2016
VOLORIDGE INVESTMENT MANAGEMENT 162564 $42.32M Mar 2016
OHIO PERS 156902 $40.84M Mar 2016
Great-West Life Assurance Company 143811 $37.37M Mar 2016
NorthCoast Asset Management 137775 $35.87M Mar 2016
ProFund Advisors 137298 $35.74M Mar 2016
First Trust Advisors 137145 $35.70M Mar 2016
British Columbia Investment Management Corporation 134530 $32.53M Jun 2016
Piedmont Investment Advisers 131737 $34.29M Mar 2016
Tom Rawlings 129402 $33.69M Mar 2016
SEI INVESTMENTS 128359 $33.08M Mar 2016
Renaissance Technologies 127661 $33.23M Mar 2016
Eaton Vance Management 126219 $32.86M Mar 2016
Natixis 125360 $32.63M Mar 2016
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 124611 $32.44M Mar 2016
AVIVA 124421 $32.39M Mar 2016

Who sold Biogen Idec?

Fund Name Date Sold Shares Held Valued At
Norges Bank Investment Management Dec. 31, 2015 1.95M $596.43M
Principal Financial Dec. 31, 2015 308981 $94.66M
BNP PARIBAS ARBITRAGE, SNC March 31, 2016 269674 $70.20M
ING Groep N.V. Dec. 31, 2015 265955 $81.51M