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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

BIIB

BIOGEN INC.

Superinvestors

Institutional investors holding BIIB

Consensus →
InvestorFundWeightSharesValueQuarter
Samantha McLemorePatient Capital Management3.92%576,352$101.4M2025Q4
Hillman Capital ManagementHillman Value Fund3.38%30,516$5.4M2025Q4
Sarah KettererCauseway Capital Management1.26%521,101$91.7M2025Q4
Kenneth FisherFisher Asset Management0.02%293,269$51.6M2025Q4

Congressional Activity

Congressional data coming soon

Insider Activity

2

Total trades

$10K

Volume

0

Buys

1

Sells

Last trade: Apr 1, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
Apr 1, 2026Sean GodboutOption–
Apr 1, 2026Sean GodboutSell$10K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.