Who Owns WEREWOLF THERAPEUTICS INC (HOWL)? -- Institutional Holders (2026-06-30)
55 institutions reported holding $3.9M of WEREWOLF THERAPEUTICS INC (HOWL) in SEC 13F filings for 2026-06-30. Largest institutional holders: RA CAPITAL MANAGEMENT, L.P. ($859,349), Balyasny Asset Management L.P. ($644,253), VANGUARD GROUP INC ($495,252), RENAISSANCE TECHNOLOGIES LLC ($242,800), Lynx1 Capital Management LP ($236,737). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | $859,349 | 2.4M | Trimmed |
| 2 | Balyasny Asset Management L.P. | $644,253 | 1.8M | New |
| 3 | VANGUARD GROUP INC | $495,252 | 1.4M | Trimmed |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $242,800 | 674,632 | Added |
| 5 | Lynx1 Capital Management LP | $236,737 | 657,786 | Hold |
| 6 | SPHERA FUNDS MANAGEMENT LTD. | $225,589 | 626,810 | Hold |
| 7 | DC Funds, LP | $212,018 | 589,102 | Hold |
| 8 | Verdad Advisers, LP | $125,500 | 348,709 | Added |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $120,895 | 335,815 | Trimmed |
| 10 | BANK OF AMERICA CORP /DE/ | $111,829 | 311,502 | Added |
| 11 | XTX Topco Ltd | $97,705 | 271,478 | Added |
| 12 | JANE STREET GROUP, LLC | $90,637 | 251,837 | Added |
| 13 | UBS Group AG | $77,702 | 215,838 | Added |
| 14 | STATE STREET CORP | $42,889 | 119,168 | Hold |
| 15 | Squarepoint Ops LLC | $37,157 | 103,242 | New |
| 16 | BlackRock, Inc. | $36,556 | 101,573 | Trimmed |
| 17 | Rangeley Capital, LLC | $35,990 | 100,000 | New |
| 18 | CITADEL ADVISORS LLC | $32,571 | 90,500 | Added |
| 19 | NORTHERN TRUST CORP | $31,258 | 86,851 | Hold |
| 20 | Alyeska Investment Group, L.P. | $31,151 | 86,554 | Hold |
| 21 | MPM BIOIMPACT LLC | $28,851 | 80,142 | Trimmed |
| 22 | MILLENNIUM MANAGEMENT LLC | $22,334 | 62,055 | Trimmed |
| 23 | Virtu Financial LLC | $16,000 | 45,467 | New |
| 24 | GSA CAPITAL PARTNERS LLP | $10,000 | 27,146 | New |
| 25 | TWO SIGMA INVESTMENTS, LP | $9,825 | 27,300 | New |
Source: SEC Form 13F filings · as of 2026-06-30