Form 13F security
BIIB · BIOGEN INC
Class CALL
As filed on Form 13F — long US-listed positions only. No shorts, cash, bonds, or non-13F assets appear here.
Filed up to 45 days after quarter end; holdings may have changed since.
Tracked managers holding it
Call positions
| Manager | Quarter | Value | % of portfolio | SH/PRN qty | Put/call |
|---|---|---|---|---|---|
| Patient Capital Management, LLC | 2026-06-30 | $41M | 1.3% | SH 189,400 | [CALL] |
Total $41M across 1 of 69 managers.
Sums are across tracked reports, not unique economic ownership.
Filed rows (1) — as filed
| Manager | Class | Put/call | Value | % of portfolio | SH/PRN qty | Source |
|---|---|---|---|---|---|---|
| Patient Capital Management, LLC | CALL | [CALL] | $41M | 1.3% | SH 189,400 | 0001854794-26-000005 |