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, Q4 2025
Institutional positions in Werewolf Therapeutics, Inc. as of Dec 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
- 51
- −8 vs. Q3 2025
- Shares held
- 14.7M
- −2.00M (−12.0%) vs. Q3 2025
- Total value
- $9.34M
- −$23.6M (−71.7%) vs. Q3 2025
- New holders
- 7
- 13 more added
- Sold out
- 15
- 18 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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, Q4 2025
Shares, value and share of portfolio for each institution holding Werewolf Therapeutics, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 6,681,307 | $4.23M | 0.04% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,408,047 | $892.7K | 0.00% | 00.0% | Unchanged |
| MPM Oncology Impact Management LP | 1,393,557 | $883.5K | 0.10% | −1,015,253−42.1% | Reduced |
| Bank of America Corp | 737,550 | $466.9K | 0.00% | −1,092,742−59.7% | Reduced |
| Renaissance Technologies LLC | 677,766 | $429.4K | 0.00% | +221,766+48.6% | Added |
| Lynx1 Capital Management LP | 655,926 | $415.5K | 0.08% | +655,926 | New |
| Sphera Funds Management Ltd. | 626,810 | $397.1K | 0.08% | 00.0% | Unchanged |
| DC Funds, LP | 589,102 | $373.2K | 25.69% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 335,886 | $212.8K | 0.00% | +5,099+1.5% | Added |
| Millennium Management LLC | 240,109 | $152.1K | 0.00% | −76,944−24.3% | Reduced |
| Alyeska Investment Group, L.P. | 235,705 | $149.3K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 157,322 | $99.7K | 0.00% | −111,255−41.4% | Reduced |
| State Street Corp | 119,168 | $75.5K | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 101,643 | $64.4K | 0.00% | +320+0.3% | Added |
| Susquehanna International Group, LLP | 99,829 | $63.2K | 0.00% | +6,788+7.3% | Added |
| Northern Trust Corp | 86,851 | $55.0K | 0.00% | +21,015+31.9% | Added |
| Bridgeway Capital Management, LLC | 77,000 | $48.8K | 0.00% | −25,000−24.5% | Reduced |
| UBS Group AG | 60,708 | $38.4K | 0.00% | +47,932+375.2% | Added |
| Vontobel Holding Ltd. | 60,003 | $38.0K | 0.00% | +24,003+66.7% | Added |
| Regal Investment Advisors LLC | 52,593 | $33.3K | 0.00% | +25,389+93.3% | Added |
| Edgewood Management LLC | 50,000 | $31.7K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 46,002 | $29.1K | 0.00% | +26,750+138.9% | Added |
| Goldman Sachs Group Inc | 34,073 | $21.6K | 0.00% | −26,268−43.5% | Reduced |
| Simplex Trading, LLC | 24,054 | $15.3K | 0.00% | +8,418+53.8% | Added |
| Camden Capital, LLC | 15,000 | $9.50K | 0.00% | 00.0% | Unchanged |
| Delta Investment Management, LLC | 14,925 | $9.46K | 0.00% | +14,925 | New |
| Point72 Asset Management, L.P. | 14,483 | $9.18K | 0.00% | +14,483 | New |
| Barclays PLC | 13,236 | $8.39K | 0.00% | −39−0.3% | Reduced |
| Larson Financial Group LLC | 13,052 | $8.27K | 0.00% | +3,052+30.5% | Added |
| HBK Sorce Advisory LLC | 13,227 | $8.10K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 12,185 | $7.72K | 0.00% | +12,185 | New |
| Highline Wealth Partners LLC | 12,000 | $7.60K | 0.00% | +7,000+140.0% | Added |
| Pacitti Group Inc. | 12,000 | $7.60K | 0.00% | +12,000 | New |
| StoneX Group Inc. | 10,511 | $6.66K | 0.00% | +10,511 | New |
| Two Sigma Advisers, LP | 10,300 | $6.53K | 0.00% | −24,300−70.2% | Reduced |
| Cetera Investment Advisers | 10,200 | $6.46K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 8,625 | $5.43K | 0.00% | −1,000−10.4% | Reduced |
| Financial Perspectives, Inc | 6,750 | $4.28K | 0.00% | 00.0% | Unchanged |
| TFC Financial Management | 4,500 | $2.85K | 0.00% | +2,000+80.0% | Added |
| Federated Hermes, Inc. | 4,387 | $2.78K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 3,631 | $2.30K | 0.00% | −7,653−67.8% | Reduced |
| JPMorgan Chase & Co | 2,072 | $1.31K | 0.00% | −174−7.7% | Reduced |
| Group One Trading, L.P. | 1,871 | $1.19K | 0.00% | −800−30.0% | Reduced |
| BNP Paribas Arbitrage, SA | 792 | $502 | 0.00% | −1−0.1% | Reduced |
| Nisa Investment Advisors, LLC | 345 | $219 | 0.00% | −1,030−74.9% | Reduced |
| SRS Capital Advisors, Inc. | 39 | $25 | 0.00% | −29−42.6% | Reduced |
| SBI Securities Co., Ltd. | 40 | $25 | 0.00% | −1−2.4% | Reduced |
| Optiver Holding B.V. | 22 | $14 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 4 | $3 | 0.00% | +4 | New |
| Citigroup Inc | 1 | $1 | 0.00% | −8,660−100.0% | Reduced |
| Royal Bank of Canada | 62 | $0 | 0.00% | −744−92.3% | Reduced |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −401,110−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −154,534−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −39,859−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −34,285−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −29,250−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −20,139−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −17,807−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −14,436−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,230−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −6,004−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −1,569−100.0% | Sold out |
| Rossby Financial, LCC | 0 | $0 | 0.00% | −860−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −157−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| MPM Asset Management LLC | – | – | – | – | Not filed |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |