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 2026 vs. Q4 2025
How the institutions holding Werewolf Therapeutics, Inc. changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Of which not filed for Q1 2026 | Q1 2026 | Change |
|---|---|---|---|---|
| Holders | 51 | 1 | 48 | −2 |
| Shares | 14.7M | 1.41M | 14.0M | +672.7K (+5.0%) |
| Value | $9.34M | $892.7K | $11.7M | +$3.21M (+38.0%) |
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (10)
Institutions that held Werewolf Therapeutics, Inc. at the end of Q1 2026 but not at the end of Q4 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Vanguard Capital Management LLC | 1,217,976 | $1.01M | 0.00% |
| Squadron Capital Management LLC | 563,535 | $469.2K | 0.19% |
| Vanguard Fiduciary Trust Co | 157,726 | $131.4K | 0.00% |
| XTX Topco Ltd | 50,929 | $42.4K | 0.00% |
| Verdad Advisers, LP | 29,760 | $24.8K | 0.03% |
| Raymond James Financial Inc | 19,778 | $16.5K | 0.00% |
| HRT Financial LP | 17,861 | $14.0K | 0.00% |
| Citadel Advisors LLC | 10,382 | $8.64K | 0.00% |
| Vanguard Global Advisers, LLC | 10,343 | $8.62K | 0.00% |
| LPL Financial LLC | 10,000 | $8.33K | 0.00% |
Sold out (12)
Institutions that held Werewolf Therapeutics, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Susquehanna International Group, LLP | 99,829 | $63.2K |
| Vontobel Holding Ltd. | 60,003 | $38.0K |
| Regal Investment Advisors LLC | 52,593 | $33.3K |
| Edgewood Management LLC | 50,000 | $31.7K |
| Point72 Asset Management, L.P. | 14,483 | $9.18K |
| Engineers Gate Manager LP | 12,185 | $7.72K |
| Highline Wealth Partners LLC | 12,000 | $7.60K |
| StoneX Group Inc. | 10,511 | $6.66K |
| Two Sigma Advisers, LP | 10,300 | $6.53K |
| Federated Hermes, Inc. | 4,387 | $2.78K |
| Nisa Investment Advisors, LLC | 345 | $219 |
| Royal Bank of Canada | 62 | $0 |
Not filed for Q1 2026 yet (1)
Institutions that held Werewolf Therapeutics, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Vanguard Group Inc | 1,408,047 | $892.7K |