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Bull Harbor Capital LLC

Position in BIIB — Biogen Inc.

CIK 2135047 BETHESDA, MD

Position in BIIB

as of Jun 30, 2026 · filed Aug 10, 2026
Position Value
$1,301,977
+$371,211 QoQ
Shares Held
6,026
+18.7% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#414
of 1,036 holders
Holding Since
Mar 2026
2 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

Bull Harbor Capital LLC holds $13,872,560 across 8 Drug Manufacturers - General names. BIIB ranks #5 (9.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 BIIB
Biogen Inc.
This page
6,026 $1,301,977

All Filings in BIIB

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,301,977 6,026
2026-03-31 $930,766 5,077