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Polymer Capital Management (US) LLC

Position in BIIB — Biogen Inc.

CIK 1973324 NEW YORK, NY

Position in BIIB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$303,348
-$580,473 QoQ
Shares Held
1,404
-72.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#675
of 1,036 holders
Holding Since
Mar 2025
5 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Polymer Capital Management (US) LLC holds $2,503,906 across 7 Drug Manufacturers - General names. BIIB ranks #5 (12.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 BIIB
Biogen Inc.
This page
1,404 $303,348

All Filings in BIIB

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5 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $303,348 1,404
2025-12-31 $883,821 5,022
2025-09-30 $374,573 2,674
2025-06-30 $472,218 3,760
2025-03-31 $530,939 3,880