Skip to main content

OSTERWEIS CAPITAL MANAGEMENT INC

Position in ARWR — Arrowhead Pharmaceuticals, Inc.

CIK 1007524 SAN FRANCISCO, CA

Position in ARWR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$4,101,175
New position
Shares Held
50,315
first reported quarter
Ownership
0.036%
of shares outstanding
% of Portfolio
0.22%
of 13F equity value
Holder Rank
#140
of 497 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority Sole 100% Shared 0% None 0%

Position in Biotechnology

Healthcare · as of Jun 30, 2026

OSTERWEIS CAPITAL MANAGEMENT INC holds $28,588,525 across 6 Biotechnology names. ARWR ranks #3 (14.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 ARWR
Arrowhead Pharmaceuticals, Inc.
This page
50,315 $4,101,175

All Filings in ARWR

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-06-30 $4,101,175 50,315