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Logos Global Management LP

Position in BIIB — Biogen Inc.

CIK 1792126 San Francisco, CA

Position in BIIB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$36,666,000
+$1,468,000 QoQ
Shares Held
200,000
0.0% QoQ
Ownership
0.135%
of shares outstanding
% of Portfolio
2.07%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2023
6 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

All Filings in BIIB

Export CSV
6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $36,666,000 200,000
2025-12-31 $35,198,000 200,000
2025-09-30 $14,008,000 100,000
2025-06-30 $25,118,000 200,000
2023-06-30 $28,485,000 100,000
2023-03-31 $27,803,000 100,000