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FMR LLC

Position in HOWL — Werewolf Therapeutics, Inc.

CIK 315066 BOSTON, MA

Position in HOWL

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$32
-$2,270 QoQ
Shares Held
39
-98.9% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2021
16 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in HOWL Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

FMR LLC holds $61,424,667,384 across 370 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in HOWL

Export CSV
16 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $32 39
2025-12-31 $2,302 3,631
2025-09-30 $22,229 11,284
2025-06-30 $12,299 11,284
2025-03-31 $4,336 4,461
2024-12-31 $2,709 1,831
2024-09-30 $3,209 1,514
2024-06-30 $7 3
2023-06-30 $6,405 2,100
2023-03-31 $5,460 2,100
2022-09-30 $1,520,199 337,073
2022-06-30 $2,121,777 518,772
2022-03-31 $2,281,994 518,635
2021-12-31 $4,415,441 370,734
2021-09-30 $4,092,660 238,500
2021-06-30 $5,493,600 315,000