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 2 sales; 45 institutions reported holding it in 13F filings for Q2 2026, worth $3.91M in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in Werewolf Therapeutics, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 70
- −2 vs. Q4 2024
- Shares held
- 27.4M
- −658.3K (−2.3%) vs. Q4 2024
- Total value
- $26.7M
- −$14.9M (−35.9%) vs. Q4 2024
- New holders
- 7
- 24 more added
- Sold out
- 9
- 19 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting HOWL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 45 | $3.91M |
| Q1 2026 | 48 | $11.7M |
| Q4 2025 | 51 | $9.34M |
| Q3 2025 | 62 | $41.6M |
| Q2 2025 | 65 | $24.3M |
| Q1 2025 | 70 | $26.7M |
| Q4 2024 | 73 | $41.7M |
| Q3 2024 | 69 | $68.3M |
| Q2 2024 | 71 | $79.3M |
| Q1 2024 | 61 | $209.7M |
| Q4 2023 | 41 | $106.8M |
| Q3 2023 | 35 | $51.1M |
| Q2 2023 | 36 | $73.3M |
| Q1 2023 | 38 | $62.5M |
| Q4 2022 | 39 | $42.8M |
| Q3 2022 | 44 | $94.5M |
| Q2 2022 | 46 | $78.0M |
| Q1 2022 | 49 | $84.3M |
| Q4 2021 | 51 | $228.4M |
| Q3 2021 | 42 | $326.2M |
| Q2 2021 | 45 | $344.3M |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Werewolf Therapeutics, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 6,144,881 | $5.97M | 0.10% | 00.0% | Unchanged |
| MPM Asset Management LLC | 4,309,860 | $4.19M | 6.03% | +25,688+0.6% | Added |
| PFM Health Sciences, LP | 2,506,520 | $2.44M | 0.19% | −398,945−13.7% | Reduced |
| MPM Oncology Impact Management LP | 2,408,810 | $2.34M | 0.40% | +20,799+0.9% | Added |
| Bank of America Corp | 2,103,142 | $2.04M | 0.00% | +24,267+1.2% | Added |
| BlackRock, Inc. | 1,671,855 | $1.63M | 0.00% | −28,577−1.7% | Reduced |
| Vanguard Group Inc | 1,509,436 | $1.47M | 0.00% | +88,467+6.2% | Added |
| Rubric Capital Management LP | 1,333,893 | $1.30M | 0.02% | 00.0% | Unchanged |
| Millennium Management LLC | 784,617 | $762.8K | 0.00% | +188,328+31.6% | Added |
| Geode Capital Management, LLC | 717,524 | $697.7K | 0.00% | +14,966+2.1% | Added |
| Sphera Funds Management Ltd. | 626,810 | $609.4K | 0.15% | 00.0% | Unchanged |
| DC Funds, LP | 589,102 | $572.7K | 27.71% | 00.0% | Unchanged |
| State Street Corp | 444,272 | $431.9K | 0.00% | +17,500+4.1% | Added |
| Northern Trust Corp | 258,458 | $251.3K | 0.00% | +14,068+5.8% | Added |
| Acadian Asset Management LLC | 250,676 | $242.0K | 0.00% | +8,412+3.5% | Added |
| Alyeska Investment Group, L.P. | 235,705 | $229.2K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 111,985 | $108.9K | 0.00% | −29,845−21.0% | Reduced |
| Morgan Stanley | 107,827 | $104.8K | 0.00% | −30,315−21.9% | Reduced |
| Deutsche Bank AG | 101,626 | $98.6K | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 95,712 | $93.1K | 0.00% | +23,852+33.2% | Added |
| Dimensional Fund Advisors LP | 84,607 | $82.4K | 0.00% | −110,139−56.6% | Reduced |
| AQR Capital Management LLC | 81,669 | $79.4K | 0.00% | +81,669 | New |
| Two Sigma Advisers, LP | 77,000 | $74.9K | 0.00% | −62,100−44.6% | Reduced |
| Nuveen, LLC | 73,370 | $71.3K | 0.00% | +73,370 | New |
| Renaissance Technologies LLC | 63,900 | $62.1K | 0.00% | +7,000+12.3% | Added |
| Bank of New York Mellon Corp | 62,407 | $60.7K | 0.00% | −8,893−12.5% | Reduced |
| Walleye Capital LLC | 59,347 | $57.7K | 0.00% | −37,503−38.7% | Reduced |
| Two Sigma Investments, LP | 58,132 | $56.5K | 0.00% | −35,308−37.8% | Reduced |
| Edgewood Management LLC | 50,000 | $48.6K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 49,341 | $48.0K | 0.00% | +15,479+45.7% | Added |
| Barclays PLC | 45,361 | $44.1K | 0.00% | −14,387−24.1% | Reduced |
| Bridgeway Capital Management, LLC | 39,586 | $38.5K | 0.00% | −70,000−63.9% | Reduced |
| Vontobel Holding Ltd. | 35,000 | $34.0K | 0.00% | +35,000 | New |
| Rhumbline Advisers | 31,231 | $30.3K | 0.00% | +2,315+8.0% | Added |
| Regal Investment Advisors LLC | 27,204 | $26.4K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 22,239 | $21.6K | 0.00% | +7,373+49.6% | Added |
| Citigroup Inc | 21,907 | $21.3K | 0.00% | −1,822−7.7% | Reduced |
| SEI Investments Co | 21,322 | $20.7K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 18,651 | $18.1K | 0.00% | +780+4.4% | Added |
| Wells Fargo & Company | 17,856 | $17.4K | 0.00% | +875+5.2% | Added |
| UBS Group AG | 17,688 | $17.2K | 0.00% | −12,805−42.0% | Reduced |
| JPMorgan Chase & Co | 16,012 | $15.6K | 0.00% | −46,916−74.6% | Reduced |
| Corebridge Financial, Inc. | 15,355 | $14.9K | 0.00% | +199+1.3% | Added |
| Camden Capital, LLC | 15,000 | $14.6K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 14,232 | $13.8K | 0.00% | −357−2.4% | Reduced |
| HBK Sorce Advisory LLC | 13,541 | $13.2K | 0.00% | −1,816−11.8% | Reduced |
| Squarepoint Ops LLC | 11,828 | $11.5K | 0.00% | +11,828 | New |
| Ieq Capital, LLC | 10,837 | $10.5K | 0.00% | +10,837 | New |
| Larson Financial Group LLC | 10,000 | $9.72K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 9,625 | $9.34K | 0.00% | +1,050+12.2% | Added |
| Tower Research Capital LLC (TRC) | 9,142 | $8.89K | 0.00% | +3,286+56.1% | Added |
| CWM, LLC | 6,785 | $7.00K | 0.00% | +6,478+2,110.1% | Added |
| Financial Perspectives, Inc | 6,750 | $6.56K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 6,130 | $5.96K | 0.00% | +5,716+1,380.7% | Added |
| New York State Common Retirement Fund | 5,100 | $4.96K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 4,461 | $4.34K | 0.00% | +2,630+143.6% | Added |
| BNP Paribas Arbitrage, SA | 3,365 | $3.27K | 0.00% | −3,467−50.7% | Reduced |
| Royal Bank of Canada | 2,779 | $3.00K | 0.00% | −597−17.7% | Reduced |
| Ameritas Investment Partners, Inc. | 2,987 | $2.90K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 2,642 | $2.57K | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 2,500 | $2.43K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 2,209 | $2.15K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,055 | $1.00K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 1,890 | $1.00K | 0.00% | +256+15.7% | Added |
| Rossby Financial, LCC | 860 | $766 | 0.00% | +860 | New |
| Sterling Capital Management LLC | 414 | $402 | 0.00% | −357−46.3% | Reduced |
| SBI Securities Co., Ltd. | 40 | $39 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 35 | $34 | 0.00% | +2+6.1% | Added |
| True Wealth Design, LLC | 22 | $22 | 0.00% | +22 | New |
| IFP Advisors, Inc | 1 | $1 | 0.00% | 00.0% | Unchanged |
| BIT Capital GmbH | 0 | $0 | 0.00% | −241,056−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −54,713−100.0% | Sold out |
| Levin Capital Strategies, L.P. | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −42,511−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −24,905−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −17,776−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −13,779−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −12,740−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |