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SIMPLEX TRADING, LLC

Position in HOWL — Werewolf Therapeutics, Inc.

CIK 1488542 CHICAGO, IL

Position in HOWL

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$91
-$27,003 QoQ
Shares Held
255
-99.2% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#43
of 45 holders
Holding Since
Jun 2023
13 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in HOWL Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $82,538,439 across 183 Biotechnology names. HOWL ranks #180 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in HOWL

Export CSV
13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $91 255
2026-03-31 $27,094 32,526
2025-12-31 $15,250 24,054
2025-09-30 $30,802 15,636
2025-06-30 $7,628 6,999
2025-03-31 $1 1,890
2024-12-31 $2 1,634
2024-09-30 $7,290 3,439
2024-06-30 $331 136
2024-03-31 $1 202
2023-12-31 $21,994 5,698
2023-09-30 $12,743 5,955
2023-06-30 $1 629