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NASDAQ: BIIB
Biogen Inc Stock Ownership - Who owns Biogen?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Biogen Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Adam KeeneyHead of Corporate Development2026-05-01455$187.06
$85.11kSell
Sean GodboutChief Accounting Officer2026-04-0154$183.78
$9.92kSell
Nicole MurphyHead of Pharm Ops and Tech2026-02-123$195.04
$585.11Buy
Priya SinghalHead of Development2026-02-092,660$199.83
$531.55kSell
Sean GodboutChief Accounting Officer2026-02-06103$201.18
$20.72kSell
Sean GodboutChief Accounting Officer2026-02-06180$201.18
$36.21kSell
Ginger GregoryEVP Human Resources2026-02-06791$201.18
$159.13kSell
Ginger GregoryEVP Human Resources2026-02-06666$201.18
$133.99kSell
Ginger GregoryEVP Human Resources2026-02-061,132$201.18
$227.74kSell
Jane GroganHead of Research2026-02-06407$201.18
$81.88kSell

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Net Insider Buy/Sell (L12M) Ownership

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BIIB Shareholders

What type of owners hold Biogen Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc10.81%15,974,601$3.34BInstitution
Primecap Management Co9.99%14,757,607$3.09BInstitution
Fmr LLC8.67%12,807,541$2.68BInstitution
Vanguard Capital Management LLC6.45%9,537,417$2.00BInstitution
State Street Corp4.85%7,167,922$1.50BInstitution
Vanguard Portfolio Management LLC4.42%6,531,727$1.37BInstitution
Geode Capital Management LLC2.94%4,342,602$908.60MInstitution
Wellington Management Group LLP2.00%2,961,641$619.66MInstitution
Morgan Stanley1.47%2,170,940$454.23MInstitution
Jpmorgan Chase Co1.36%2,016,009$421.81MInstitution

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BIIB vs General Drug Manufacturer Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
BIIB91.32%2.16%Net SellingNet Selling
GRFS20.87%0.00%
OGN75.88%0.52%Net SellingNet Buying
AMRN1.09%15.85%Net SellingNet Selling
SCLX0.35%99.65%Net Selling
View Top General Drug Manufacturer Stocks

Biogen Stock Ownership FAQ

Who owns Biogen?

Biogen (NASDAQ: BIIB) is owned by 91.32% institutional shareholders, 2.16% Biogen insiders, and 6.51% retail investors. Blackrock Inc is the largest individual Biogen shareholder, owning 15.97M shares representing 10.81% of the company. Blackrock Inc's Biogen shares are currently valued at $3.32B.

If you're new to stock investing, here's how to buy Biogen stock.
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