Werewolf TherapeuticsHOWL
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 73 institutions reported holding Werewolf Therapeutics Inc. (HOWL) in their 13F filings, up 4 from Q3 2024. 11 opened new positions and 8 sold out. The largest holders were Ra Capital Management, L.P. ($9.1M), MPM Asset Management LLC ($6.3M) and PFM Health Sciences, LP ($4.3M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Werewolf Therapeutics Inc.
- CUSIP
- 95075A107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 11 | $230K |
| Exits | 8 | $6.0M |
All 13F filers, Q3 2024 → Q4 2024: 559,504 shares bought and 4,587,491 shares sold, net −4,027,987 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 73 holders
| Ra Capital Management, L.P. | 0.12% | No change | 6,144,881 | $9.1M |
| MPM Asset Management LLC | 5.10% | No change | 4,284,172 | $6.3M |
| PFM Health Sciences, LP | 0.34% | Reduce -14.5% | 2,905,465 | $4.3M |
| MPM Bioimpact LLC | 0.50% | No change | 2,388,011 | $3.5M |
| Bank of America Corp. | 0.00% | Reduce -3.5% | 2,078,875 | $3.1M |
| BlackRock, Inc. | 0.00% | Add +3.9% | 1,700,432 | $2.5M |
| Vanguard Group Inc. | 0.00% | Add +0.4% | 1,420,969 | $2.1M |
| Rubric Capital Management LP | 0.04% | No change | 1,333,893 | $2.0M |
| Geode Capital Management, LLC | 0.00% | Add +2.4% | 702,558 | $1.0M |
| Sphera Funds Management LTD. | 0.17% | No change | 626,810 | $928K |
| Millennium Management | 0.00% | Reduce -55.0% | 596,289 | $883K |
| DC Funds, LP | 24.47% | No change | 589,102 | $872K |
| State Street Corp. | 0.00% | Reduce -10.4% | 426,772 | $632K |
| Northern Trust Corp. | 0.00% | Add +7.3% | 244,390 | $362K |
| Acadian Asset Management LLC | 0.00% | Reduce -8.7% | 242,264 | $358K |
| BIT Capital GmbH | 0.03% | No change | 241,056 | $357K |
| Alyeska Investment Group, L.P. | 0.00% | No change | 235,705 | $349K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -24.5% | 194,746 | $288K |
| Goldman Sachs Group Inc. | 0.00% | Add +23.2% | 141,830 | $210K |
| Two Sigma Advisers, LP | 0.00% | Reduce -45.7% | 139,100 | $206K |
| Morgan Stanley | 0.00% | Add +16.1% | 138,142 | $204K |
| Bridgeway Capital Management, LLC | 0.00% | Add +24.4% | 109,586 | $162K |
| Deutsche Bank AG | 0.00% | Add +450.7% | 101,626 | $150K |
| Walleye Capital LLC | 0.00% | Reduce -11.1% | 96,850 | $143K |
| Two Sigma Investments, LP | 0.00% | Reduce -48.3% | 93,440 | $138K |
| Nuveen Asset Management, LLC | 0.00% | No change | 73,370 | $109K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -8.9% | 71,860 | $106K |
| Bank of New York Mellon Corp | 0.00% | Add +23.1% | 71,300 | $106K |
| JPMorgan Chase & Co. | 0.00% | Add +372.4% | 62,928 | $93K |
| Barclays PLC | 0.00% | Add +9.0% | 59,748 | $88K |
| Renaissance Technologies | 0.00% | Reduce -62.6% | 56,900 | $84K |
| Jane Street Group, LLC | 0.00% | Add +261.2% | 54,713 | $81K |
| Levin Capital Strategies, L.P. | 0.01% | New | 50,000 | $74K |
| Edgewood Management LLC | 0.00% | No change | 50,000 | $74K |
| American Century Companies Inc. | 0.00% | Add +2.6% | 42,511 | $63K |
| Susquehanna International Group, LLP | 0.00% | New | 33,862 | $50K |
| UBS Group AG | 0.00% | Add +97.0% | 30,493 | $45K |
| Rhumbline Advisers | 0.00% | Add +1.8% | 28,916 | $43K |
| Regal Investment Advisors LLC | 0.00% | Add +88.2% | 27,204 | $40K |
| XTX Topco Ltd | 0.00% | Add +17.4% | 24,905 | $37K |
| Citigroup Inc. | 0.00% | Add +3.1% | 23,729 | $35K |
| Sei Investments Co. | 0.00% | No change | 21,322 | $32K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.4% | 17,871 | $26K |
| D. E. Shaw & Co. | 0.00% | New | 17,776 | $26K |
| Wells Fargo & Company | 0.00% | Add +32.2% | 16,981 | $25K |
| HBK Sorce Advisory LLC | 0.00% | Add +12.3% | 15,357 | $23K |
| Corebridge Financial, Inc. | 0.00% | Reduce -7.0% | 15,156 | $22K |
| Certuity, LLC | 0.00% | No change | 15,000 | $22K |
| Intech Investment Management LLC | 0.00% | New | 14,866 | $22K |
| Invesco Ltd. | 0.00% | Add +7.0% | 14,589 | $22K |
| SG Americas Securities, LLC | 0.00% | Add +1.9% | 13,779 | $20K |
| Two Sigma Securities, LLC | 0.00% | New | 12,740 | $19K |
| Larson Financial Group LLC | 0.00% | New | 10,000 | $15K |
| Osaic Holdings, Inc. | 0.00% | New | 8,575 | $13K |
| BNP Paribas Financial Markets | 0.00% | New | 6,832 | $10K |
| Financial Perspectives, Inc | 0.00% | No change | 6,750 | $10K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +11.4% | 5,856 | $9K |
| New York State Common Retirement Fund | 0.00% | No change | 5,100 | $8K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,987 | $4K |
| Royal Bank of Canada | 0.00% | Add +4.0% | 3,376 | $4K |
| Legal & General Group Plc | 0.00% | No change | 2,642 | $4K |
| TFC Financial Management, Inc. | 0.00% | Add +66.7% | 2,500 | $4K |
| California State Teachers Retirement System | 0.00% | No change | 2,209 | $3K |
| FMR LLC | 0.00% | Add +20.9% | 1,831 | $3K |
| Simplex Trading, LLC | 0.00% | Reduce -52.5% | 1,634 | $2K |
| Amalgamated Bank | 0.00% | No change | 1,055 | $2K |
| Sterling Capital Management LLC | 0.00% | Add +851.9% | 771 | $1K |
| Federated Hermes, Inc. | 0.00% | New | 414 | $613 |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -68.0% | 40 | $59 |
| SBI Securities Co., Ltd. | 0.00% | — | 40 | $59 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 33 | $49 |
| IFP Advisors, Inc | 0.00% | New | 1 | $1 |
| Cwm, LLC | 0.00% | Add +59.9% | 307 | $0 |
"% of holder's portfolio" is HOWL's weight in each manager's 13F, not the share of Werewolf Therapeutics Inc. the manager owns.