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Werewolf Therapeutics, Inc.

HOWL
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001785530

In the last 90 days, Werewolf Therapeutics, Inc. insiders filed 0 open-market purchases and 1 sale; 45 institutions reported holding it in 13F filings for Q2 2026, worth $3.91M in total; no superinvestor holds it.

Q1 2025 vs. Q4 2024

How the institutions holding Werewolf Therapeutics, Inc. changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of HOWL: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders73170−2
Shares28.2M73.4K27.4M−658.3K (−2.3%)
Value$41.7M$108.6K$26.7M−$14.9M (−35.9%)

1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (7)

Institutions that held Werewolf Therapeutics, Inc. at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to HOWL in Q1 2025
InstitutionSharesValue% of portfolio
AQR Capital Management LLC81,669$79.4K0.00%
Nuveen, LLC73,370$71.3K0.00%
Vontobel Holding Ltd.35,000$34.0K0.00%
Squarepoint Ops LLC11,828$11.5K0.00%
Ieq Capital, LLC10,837$10.5K0.00%
Rossby Financial, LCC860$7660.00%
True Wealth Design, LLC22$220.00%

Sold out (9)

Institutions that held Werewolf Therapeutics, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of HOWL in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
BIT Capital GmbH241,056$356.8K
Jane Street Group, LLC54,713$81.0K
Levin Capital Strategies, L.P.50,000$74.0K
American Century Companies Inc42,511$62.9K
XTX Topco Ltd24,905$36.9K
D. E. Shaw & Co., Inc.17,776$26.3K
SG Americas Securities, LLC13,779$20.0K
Two Sigma Securities, LLC12,740$18.9K
Nisa Investment Advisors, LLC40$59

Not filed for Q1 2025 yet (1)

Institutions that held Werewolf Therapeutics, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding HOWL in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Nuveen Asset Management, LLC73,370$108.6K