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BIIB

BIIB

Biogen Inc.Healthcare

Institutional holders
1,047
As of Q2 2026
Total 13F value
$34.2B
Sum of disclosed positions
New positions
129
This quarter
Sold positions
89
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
FMR LLC

Fmr Llc

$3.9B18.22M0.11%+42.2%
BlackRock, Inc.

Blackrock, Inc.

$3.5B15.99M0.02%+0.1%
PRIMECAP MANAGEMENT CO/CA/

Primecap Management Co/Ca/

$3.3B15.15M1.94%+2.7%
Banque Cantonale Vaudoise

Banque Cantonale Vaudoise

$2.5B11.5K0.34%+45.0%
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$2.1B9.65M0.04%+1.2%
STATE STREET CORP

State Street Corporation

$1.6B7.34M0.05%+2.5%
VANGUARD PORTFOLIO MANAGEMENT LLC

Vanguard Portfolio Management Llc

$1.4B6.60M0.06%+1.1%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$957.9M4.45M0.05%+2.5%
WELLINGTON MANAGEMENT GROUP LLP

Wellington Management Group Llp

$673.6M3.12M0.11%+5.3%
NORGES BANK

Norges Bank

$557.4M2.58M0.06%New Position
MORGAN STANLEY

Morgan Stanley

$521M2.41M0.01%+11.1%
AQR CAPITAL MANAGEMENT LLC

Aqr Capital Management Llc

$416.9M1.94M0.14%+0.7%
JPMORGAN CHASE & CO

Jpmorgan Chase

$394.9M1.82M0.01%New Position
Invesco Ltd.

Invesco Ltd.

$389.8M1.80M0.02%+3.4%
Amundi

Amundi

$327.7M1.52M0.05%+91.8%
Legal & General Group Plc

Legal & General Group Plc

$322.6M1.49M0.03%+10.6%
NORTHERN TRUST CORP

Northern Trust Corp

$308.9M1.43M0.03%-1.2%
Ascentis Wealth Management, LLC

Org Wealth Partners, Llc

$300.7M83.4K0.01%+21505.7%
Boston Partners

Boston Partners

$272.8M1.26M0.21%-25.7%
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

Ubs Asset Management Americas Inc

$271.2M1.26M0.01%-8.9%
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

California State Teachers Retirement System

$267.5M47.76M0.04%+21439.6%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$265.8M1.23M0.02%+17.1%
DIMENSIONAL FUND ADVISORS LP

Dimensional Fund Advisors Lp

$248.2M1.15M0.03%+6.4%
Pacer Advisors, Inc.

Pacer Advisors, Inc.

$244.7M1.14M0.62%Exited
CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Charles Schwab Investment Management Inc

$241.5M1.12M0.03%-2.8%
Sixth Street Partners Management Company, L.P.

Sixth Street Partners Management Company, L.P.

$241.5M1.12M0.03%New Position
BANK OF AMERICA CORP /DE/

Bank Of America

$241.2M1.12M0.01%-3.5%
UBS Group AG

Ubs Group Ag

$222.6M1.03M0.02%+96.8%
Alyeska Investment Group, L.P.

Alyeska Investment Group, L.P.

$201.4M932.4K0.52%+15.8%
DEUTSCHE BANK AG\

Deutsche Bank Ag\

$193.2M894.0K0.04%-16.0%
Pictet Asset Management Holding SA

Pictet Asset Management Holding Sa

$184.1M851.8K0.18%-6.7%
CITADEL ADVISORS LLC

Citadel Advisors

$180.8M836.7K0.01%+202.9%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$179.2M829.3K0.04%+0.5%
Robeco Institutional Asset Management B.V.

Robeco Institutional Asset Management B.V.

$170.9M791.1K0.21%+3.7%
FRED ALGER MANAGEMENT, LLC

Fred Alger Management, Llc

$170.3M788.3K0.57%+7.5%
PRICE T ROWE ASSOCIATES INC /MD/

Price T Rowe Associates Inc /Md/

$167.3M774.3K0.01%+15.2%
Bank of New York Mellon Corp

Bank Of New York Mellon Corp

$167.1M773.6K0.01%-1.9%
MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Massachusetts Financial Services Co /Ma/

$163.1M744.9K0.04%+3.4%
CITIGROUP INC

Citigroup Inc

$158.7M734.5K0.05%+46.8%
ROYAL BANK OF CANADA

Royal Bank Of Canada

$153.1M708.6K0.01%+33.3%
Employees Provident Fund Board

Employees Provident Fund Board

$152.1M704.2K0.87%Unchanged
FIRST TRUST ADVISORS LP

First Trust Advisors Lp

$147.4M682.0K0.09%+1.2%
AustralianSuper Pty Ltd

Australiansuper Pty Ltd

$145.3M672.7K0.63%+9.2%
Artemis Investment Management LLP

Artemis Investment Management Llp

$123.4M571.0K1.10%-0.1%
Zurcher Kantonalbank (Zurich Cantonalbank)

Zurcher Kantonalbank (Zurich Cantonalbank)

$116.7M540.0K0.22%+3.4%
HSBC HOLDINGS PLC

Hsbc Holdings Plc

$114M527.9K0.02%+13.8%
CAISSE DE DEPOT ET PLACEMENT DU QUEBEC

Caisse De Depot Et Placement Du Quebec

$110.2M510.2K0.16%-1.6%
LSV ASSET MANAGEMENT

Lsv Asset Management

$95.9M444.0K0.17%+33.0%
Palo Alto Investors LP

Palo Alto Investors Lp

$90.9M420.8K4.19%-0.3%
Swiss National Bank

Swiss National Bank

$89.4M413.9K0.05%-3.9%

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