BI
Biogen
BIIB13F as of Jun 30, 2026 · next update ~Nov 14
Who's buying BIIB
Top funds mostly trimmed Biogen in Q2 (Apr–Jun)
Buying:
FundsInsidersCongress2
- Top funds0 of 3 bought more, 3 sold some. Largest: Patient Capital Management, $61.3M (2% of its portfolio).
- Insiders1 insider bought, 3 sales in 12 months.
- Congress2 members bought (5 trades), 3 sales in 12 months.
3 funds$126.6M held2.1% avg. weightQ2: 0 bought / 3 sold
13F reports are a snapshot as of Jun 30, 2026; funds may have traded since. Insiders often sell for personal reasons (taxes, diversification, planned sales).
Share price · market data, not from 13F reports
Q2 2026
Insider trades (Form 4)
Last 2 years · 10 filings
Net buying$3.24M