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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 2024 vs. Q4 2023

How the institutions holding Werewolf Therapeutics, Inc. changed between Q4 2023 and Q1 2024.

All holders in Q1 2024All holders in Q4 2023

13F holders of HOWL: Q4 2023 compared with Q1 2024
MeasureQ4 2023Of which not filed for Q1 2024Q1 2024Change
Holders41161+21
Shares27.7M30032.3M+4.58M (+16.6%)
Value$106.8M$1.16K$209.0M+$102.2M (+95.7%)

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held Werewolf Therapeutics, Inc. at the end of Q1 2024 but not at the end of Q4 2023.

Institutions new to HOWL in Q1 2024
InstitutionSharesValue% of portfolio
Janus Henderson Group PLC1,688,054$10.9M0.01%
Monashee Investment Management LLC890,000$5.77M0.68%
Eagle Health Investments LP700,000$4.54M0.86%
Verition Fund Management LLC571,466$3.70M0.04%
Goldman Sachs Group Inc172,794$1.12M0.00%
Man Group plc79,639$516.1K0.00%
Citigroup Inc71,556$463.7K0.00%
Cubist Systematic Strategies, LLC40,649$263.4K0.00%
HRT Financial LP37,628$243.0K0.00%
Royce & Associates LP37,321$241.8K0.00%
Denali Advisors LLC26,600$172.4K0.05%
Marshall Wace, LLP26,284$170.3K0.00%
ExodusPoint Capital Management, LP25,240$164.0K0.00%
American Century Companies Inc24,978$161.9K0.00%
Squarepoint Ops LLC24,594$159.4K0.00%
Raymond James Financial Services Advisors, Inc.23,659$153.3K0.00%
Point72 Asia (Singapore) Pte. Ltd.23,264$150.8K0.04%
Balyasny Asset Management LLC23,048$149.4K0.00%
Brevan Howard Capital Management LP18,910$122.5K0.01%
Y-Intercept (Hong Kong) Ltd14,154$91.7K0.01%
Omers Administration Corp10,800$70.0K0.00%
Tower Research Capital LLC (TRC)10,537$68.3K0.00%
Barclays PLC1,878$12.2K0.00%
Macquarie Group Ltd940$60.00%
Royal Bank of Canada42$00.00%

Sold out (4)

Institutions that held Werewolf Therapeutics, Inc. at the end of Q4 2023 and filed for Q1 2024 without it.

Institutions that sold out of HOWL in Q1 2024
InstitutionShares, Q4 2023Value, Q4 2023
Lighthouse Investment Partners, LLC22,472$86.7K
Virtu Financial LLC20,383$79.0K
Prudential Financial Inc15,400$59.4K
Group One Trading, L.P.100$386

Not filed for Q1 2024 yet (1)

Institutions that held Werewolf Therapeutics, Inc. at the end of Q4 2023 and haven't filed a 13F for Q1 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding HOWL in Q4 2023 that haven't filed for Q1 2024
InstitutionShares, Q4 2023Value, Q4 2023
Baystate Wealth Management LLC300$1.16K