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RA CAPITAL MANAGEMENT, L.P.

Position in HOWL — Werewolf Therapeutics, Inc.

CIK 1346824 BOSTON, MA

Position in HOWL

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$859,587
-$4,705,941 QoQ
Shares Held
2,387,744
-64.3% QoQ
Ownership
4.91%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#1
of 45 holders
Holding Since
Jun 2021
21 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

RA CAPITAL MANAGEMENT, L.P. holds $11,082,969,028 across 75 Biotechnology names. HOWL ranks #73 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in HOWL

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28 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $859,587 2,387,744
2026-06-30 $714,794 1,985,541
2026-06-24 $1,093,403 2,915,742
2026-06-17 $1,257,081 3,654,307
2026-06-11 $2,024,648 5,138,703
2026-05-12 $3,865,400 6,116,140
2026-03-31 $5,565,528 6,681,307
2025-12-31 $4,235,948 6,681,307
2025-11-04 $8,084,381 6,681,307
2025-09-30 $13,162,174 6,681,307
2025-06-30 $7,282,624 6,681,307
2025-05-12 $6,746,807 6,746,807
2025-03-31 $5,972,824 6,144,881
2024-12-31 $9,094,423 6,144,881
2024-09-30 $13,027,147 6,144,881
2024-06-30 $14,993,509 6,144,881
2024-03-31 $39,818,828 6,144,881
2023-12-31 $23,719,240 6,144,881
2023-09-30 $13,150,045 6,144,881
2023-06-30 $18,741,887 6,144,881
2023-03-31 $15,976,690 6,144,881
2022-12-31 $8,798,356 4,291,881
2022-09-30 $19,356,383 4,291,881
2022-06-30 $17,553,793 4,291,881
2022-03-31 $18,884,276 4,291,881
2021-12-31 $51,116,302 4,291,881
2021-09-30 $73,648,677 4,291,881
2021-06-30 $74,850,404 4,291,881