WEREWOLF THERAPEUTICS INC (HOWL) Stock Ownership and Short Interest
USA - NASDAQ:HOWL - US95075A1079 - Common Stock
0.8547 USD
-0.07 (-7.57%)
0.8586 USD
+0 (+0.46%)
| Shares Outstanding | 45.73M |
| Float | 43.01M |
| Float Short Interest Percentage | 2.1% |
| Owners (insider) | 1.48% |
| Owners (institutional) | 49.19% |
| Owners (insider) change | 0% |
| Owners (institutional) change | -5.25% |
Insider Transactions
Top Institutional Holders
Insider Owners
| Date | Name | Type | Shares | Price | Amount |
|---|---|---|---|---|---|
| Nov 13, 2025 | UBS Oncology Impact Fund L.P. | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | Oncology Impact Fund (Cayman) Management L.P. | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | MPM Oncology Impact Management LP | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | MPM Oncology Innovations Fund GP LLC | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | MPM ASSET MANAGEMENT LLC | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | EVNIN LUKE | Open Market Sale | 134553 | 0.96 | $ 128,785.31 |
| Nov 13, 2025 | MPM BioVentures 2014, L.P. | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | MPM BioVentures 2014 (B), L.P. | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | MPM BioVentures 2014 LLC | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | MPM BioVentures 2014 GP LLC | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | MPM Asset Management Investors BV2014 LLC | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | GADICKE ANSBERT | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 13, 2025 | MPM ONCOLOGY INNOVATIONS FUND LP | Open Market Sale | 209652 | 0.96 | $ 200,665.13 |
| Nov 7, 2025 | MPM BioVentures 2014, L.P. | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | MPM BioVentures 2014 (B), L.P. | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | MPM BioVentures 2014 LLC | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | MPM BioVentures 2014 GP LLC | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | MPM Asset Management Investors BV2014 LLC | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | GADICKE ANSBERT | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | MPM ONCOLOGY INNOVATIONS FUND LP | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | UBS Oncology Impact Fund L.P. | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | Oncology Impact Fund (Cayman) Management L.P. | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | MPM Oncology Impact Management LP | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | MPM Oncology Innovations Fund GP LLC | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | MPM ASSET MANAGEMENT LLC | Open Market Sale | 213529 | 1.13 | $ 241,278.01 |
| Nov 7, 2025 | EVNIN LUKE | Open Market Sale | 137041 | 1.13 | $ 154,850.07 |
| Nov 4, 2025 | MPM BioVentures 2014 LLC | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | MPM BioVentures 2014 GP LLC | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | MPM Asset Management Investors BV2014 LLC | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | GADICKE ANSBERT | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | MPM ONCOLOGY INNOVATIONS FUND LP | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | UBS Oncology Impact Fund L.P. | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | Oncology Impact Fund (Cayman) Management L.P. | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | MPM Oncology Impact Management LP | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | MPM Oncology Innovations Fund GP LLC | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | MPM ASSET MANAGEMENT LLC | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | EVNIN LUKE | Open Market Sale | 155885 | 1.22 | $ 189,830.23 |
| Nov 4, 2025 | MPM BioVentures 2014, L.P. | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Nov 4, 2025 | MPM BioVentures 2014 (B), L.P. | Open Market Sale | 242890 | 1.22 | $ 295,781.28 |
| Oct 30, 2025 | MPM BioVentures 2014, L.P. | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | MPM BioVentures 2014 (B), L.P. | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | MPM BioVentures 2014 LLC | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | MPM BioVentures 2014 GP LLC | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | MPM Asset Management Investors BV2014 LLC | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | GADICKE ANSBERT | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | MPM ONCOLOGY INNOVATIONS FUND LP | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | UBS Oncology Impact Fund L.P. | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | Oncology Impact Fund (Cayman) Management L.P. | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | MPM Oncology Impact Management LP | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | MPM Oncology Innovations Fund GP LLC | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | MPM ASSET MANAGEMENT LLC | Open Market Sale | 295043 | 1.33 | $ 391,636.07 |
| Oct 30, 2025 | EVNIN LUKE | Open Market Sale | 189356 | 1.33 | $ 251,348.62 |
| Oct 27, 2025 | EVNIN LUKE | Open Market Sale | 177145 | 1.62 | $ 286,497.06 |
| Oct 27, 2025 | MPM BioVentures 2014, L.P. | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | MPM BioVentures 2014 (B), L.P. | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | MPM BioVentures 2014 LLC | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | MPM BioVentures 2014 GP LLC | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | MPM Asset Management Investors BV2014 LLC | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | GADICKE ANSBERT | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | MPM ONCOLOGY INNOVATIONS FUND LP | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | UBS Oncology Impact Fund L.P. | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | Oncology Impact Fund (Cayman) Management L.P. | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | MPM Oncology Impact Management LP | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | MPM Oncology Innovations Fund GP LLC | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| Oct 27, 2025 | MPM ASSET MANAGEMENT LLC | Open Market Sale | 276017 | 1.62 | $ 446,403.00 |
| May 12, 2025 | RA Capital Healthcare Fund LP | Open Market Purchase | 536426 | 0.91 | $ 487,187.92 |
| May 12, 2025 | RA Capital Nexus Fund II, L.P. | Open Market Purchase | 536426 | 0.91 | $ 487,187.92 |
| May 12, 2025 | Kolchinsky Peter | Open Market Purchase | 536426 | 0.91 | $ 487,187.92 |
| May 12, 2025 | Shah Rajeev M. | Open Market Purchase | 536426 | 0.91 | $ 487,187.92 |
| May 12, 2025 | RA CAPITAL MANAGEMENT, LLC | Open Market Purchase | 536426 | 0.91 | $ 487,187.92 |