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First County Bank /CT/

Bank

Position in BIIB — Biogen Inc.

CIK 1983616 Stamford, CT

Position in BIIB

as of Jun 30, 2026 · filed Jul 2, 2026
Position Value
$849,763
+$86,011 QoQ
Shares Held
3,933
-5.6% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.59%
of 13F equity value
Holder Rank
#479
of 1,036 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority Sole 65% Shared 15% None 20%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

First County Bank /CT/ holds $14,817,156 across 10 Drug Manufacturers - General names. BIIB ranks #7 (5.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 BIIB
Biogen Inc.
This page
3,933 $849,763

All Filings in BIIB

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $849,763 3,933
2026-03-31 $763,752 4,166
2025-12-31 $776,467 4,412
2025-09-30 $627,138 4,477
2025-06-30 $562,266 4,477
2025-03-31 $653,000 4,772