BIOGEN INC

Country: United States Ticker: BIIB Class: COM CUSIP: 09062X103 CIK: 0000875045

$192.23

as of Jun 1, 2026 -$74.92 (-28.0%)
$89$177$264$351$439Jun 2021Aug 2022Dec 2023Feb 2025Jun 2026

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue
BlackRock, Inc.15,974,601$2.929B
PRIMECAP MANAGEMENT CO/CA/14,757,607$2.706B
FMR LLC12,807,541$2.348B
VANGUARD CAPITAL MANAGEMENT LLC9,537,417$1.748B
STATE STREET CORP7,167,922$1.314B
VANGUARD PORTFOLIO MANAGEMENT LLC6,531,727$1.197B
GEODE CAPITAL MANAGEMENT, LLC4,342,602$793M
WELLINGTON MANAGEMENT GROUP LLP2,961,641$543M
MORGAN STANLEY2,170,940$398M
JPMORGAN CHASE & CO2,016,009$378M
AQR CAPITAL MANAGEMENT LLC1,923,557$346M
Invesco Ltd.1,745,255$320M
Boston Partners1,700,078$312M
NORTHERN TRUST CORP1,446,579$265M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME1,377,568$253M
T. Rowe Price Investment Management, Inc.1,160,989$213K
BANK OF AMERICA CORP /DE/1,156,369$212M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,149,394$211M
VAN ECK ASSOCIATES CORP1,079,861$198K
GOLDMAN SACHS GROUP INC1,051,094$193M
VANGUARD FIDUCIARY TRUST CO825,531$151M
Point72 Asset Management, L.P.809,617$148M
Alyeska Investment Group, L.P.805,050$148M
Amundi790,827$145M
FRED ALGER MANAGEMENT, LLC733,194$134M
MASSACHUSETTS FINANCIAL SERVICES CO /MA/720,629$134M
Employees Provident Fund Board704,196$129M
FIRST TRUST ADVISORS LP673,958$124M
PRICE T ROWE ASSOCIATES INC /MD/672,427$123K
BALYASNY ASSET MANAGEMENT L.P.650,046$119M
BARCLAYS PLC551,474$101M
ROYAL BANK OF CANADA531,377$97.42M
Zurcher Kantonalbank (Zurich Cantonalbank)522,155$95.73M
CAISSE DE DEPOT ET PLACEMENT DU QUEBEC518,694$95.09M
CITIGROUP INC500,507$91.76M
BNP PARIBAS FINANCIAL MARKETS471,068$86.36M
HSBC HOLDINGS PLC463,652$84.62M
National Pension Service401,667$73.64M
Patient Capital Management, LLC379,741$69.62M
Vanguard Global Advisers, LLC343,768$63.02M
Mitsubishi UFJ Asset Management Co., Ltd.334,413$61.31M
LSV ASSET MANAGEMENT333,739$61,184
ADAGE CAPITAL PARTNERS GP, L.L.C.333,457$61.13M
VICTORY CAPITAL MANAGEMENT INC320,785$58.81M
Man Group plc318,745$58.44M
FIL Ltd318,056$58.31M
Fisher Asset Management, LLC312,618$57.31M
Gotham Asset Management, LLC298,437$54.71M
Swedbank AB289,840$53.14M
CAUSEWAY CAPITAL MANAGEMENT LLC280,783$51.48M
RHUMBLINE ADVISERS275,438$50.5M
VANGUARD ASSET MANAGEMENT, Ltd249,778$45.79M
ACADIAN ASSET MANAGEMENT LLC248,489$45,546
THOMPSON SIEGEL & WALMSLEY LLC248,343$45,529
MARSHALL WACE, LLP229,879$42.14M
Sofinnova Investments, Inc.229,521$42.08M
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM220,687$40.46M
BNP Paribas Asset Management Holding S.A.215,436$39.51M
Qube Research & Technologies Ltd212,921$39.03M
ALLIANCEBERNSTEIN L.P.212,897$37.47M
RENAISSANCE TECHNOLOGIES LLC203,396$37.29M
Hudson Bay Capital Management LP201,367$36.92M
Logos Global Management LP200,000$36.67M
PRINCIPAL FINANCIAL GROUP INC187,059$34.29M
Allianz Asset Management GmbH178,049$32.64M
PRUDENTIAL FINANCIAL INC163,887$30.05M
IEQ CAPITAL, LLC152,076$27.88M
ExodusPoint Capital Management, LP151,993$27.86M
LETKO, BROSSEAU & ASSOCIATES INC150,865$27.66M
FRANKLIN RESOURCES INC144,448$26.48M
PANAGORA ASSET MANAGEMENT INC142,065$26.04M
O'SHAUGHNESSY ASSET MANAGEMENT, LLC141,324$25.91M
Palo Alto Investors LP140,719$25.8M
SUSQUEHANNA INTERNATIONAL GROUP, LLP140,299$25.72M
CITADEL ADVISORS LLC138,093$25.32M
AMERIPRISE FINANCIAL INC132,603$24.31M
TD ASSET MANAGEMENT INC127,268$23.33M
WELLS FARGO & COMPANY/MN127,134$23.31M
CANADA LIFE ASSURANCE Co121,723$22,383
Portolan Capital Management, LLC118,481$21.72M
Creative Planning117,236$21.49M
Quantinno Capital Management LP116,374$21.34M
LMR Partners LLP116,131$21.29M
CANADA PENSION PLAN INVESTMENT BOARD114,938$21.07M
Susquehanna Portfolio Strategies, LLC111,830$20.5M
NEW YORK STATE TEACHERS RETIREMENT SYSTEM111,303$20,405
Rhenman & Partners Asset Management AB109,100$20M
Woodline Partners LP109,032$19.99M
AMERICAN CENTURY COMPANIES INC104,783$19.21M
ADAMS DIVERSIFIED EQUITY FUND, INC.100,300$18.39M
Walleye Trading LLC99,532$18.25M
FEDERATED HERMES, INC.97,279$17.83M
AVIVA PLC96,864$17.76M
RAYMOND JAMES FINANCIAL INC96,699$17.73M
Defilade Capital Management, L.P.96,289$17.65M
MANUFACTURERS LIFE INSURANCE COMPANY, THE95,108$17.44M
MILLENNIUM MANAGEMENT LLC93,964$17.23M
BANK OF MONTREAL /CAN/92,709$17M
SPHERA FUNDS MANAGEMENT LTD.92,526$16.96M
APG Asset Management N.V.84,047$13.37M
443 other institutions5,199,976$906M
Total (543 institutions)119,931,460$21.21B