Werewolf Therapeutics, Inc. - HOWL
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DC Funds, LP | History | No change | 589,102 | 212,018 | 16.92% | 16.92% | 1 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| RA CAPITAL MANAGEMENT, L.P. | History | No change | 2,387,744 | 859 | 0.01% | 0.01% | 2 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | No change | 1,790,089 | 644 | 0.0% | 0.0% | 3 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | No change | 1,217,976 | 438 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | No change | 674,632 | 242 | 0.0% | 0.0% | 5 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Lynx1 Capital Management LP | History | No change | 657,786 | 236 | 0.03% | 0.03% | 6 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| SPHERA FUNDS MANAGEMENT LTD. | History | No change | 626,810 | 225 | 0.03% | 0.03% | 7 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Verdad Advisers, LP | History | No change | 348,709 | 125 | 0.12% | 0.12% | 8 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Covestor Ltd | History | New | 134,212 | 124 | 0.08% | — | 9 | +134,212 | New | Q3 2026 | Oct 30, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 335,815 | 120 | 0.0% | 0.0% | 10 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| BANK OF AMERICA CORP /DE/ | History | No change | 311,502 | 111 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| XTX Topco Ltd | History | No change | 271,478 | 97 | 0.0% | 0.0% | 12 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| JANE STREET GROUP, LLC | History | No change | 251,837 | 90 | 0.0% | 0.0% | 13 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| UBS Group AG | History | No change | 215,838 | 77 | 0.0% | 0.0% | 14 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | No change | 157,726 | 56 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Vontobel Holding Ltd. | History | New | 60,000 | 55 | 0.0% | — | 16 | +60,000 | New | Q3 2026 | Oct 16, 2026 |
| StoneX Group Inc. | History | Added to | 54,856 | 51 | 0.0% | 0.0% | 17 | +34,856 | 174.28% | Q3 2026 | Nov 03, 2026 |
| Vilga Financial Planning LLC | History | New | 53,423 | 49 | 0.03% | — | 18 | +53,423 | New | Q3 2026 | Oct 08, 2026 |
| STATE STREET CORP | History | No change | 119,168 | 42 | 0.0% | 0.0% | 19 | 0 | 0.0% | Q2 2026 | Sep 22, 2026 |
| Squarepoint Ops LLC | History | No change | 103,242 | 37 | 0.0% | 0.0% | 20 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| BlackRock, Inc. | History | No change | 101,573 | 36 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Rangeley Capital, LLC | History | No change | 100,000 | 35 | 0.03% | 0.03% | 22 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| CITADEL ADVISORS LLC | History | No change | 90,500 | 32 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q2 2026 | Sep 02, 2026 |
| NORTHERN TRUST CORP | History | No change | 86,851 | 31 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Alyeska Investment Group, L.P. | History | No change | 86,554 | 31 | 0.0% | 0.0% | 25 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| MPM BioImpact LLC | History | No change | 80,142 | 28 | 0.0% | 0.0% | 26 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | No change | 62,055 | 22 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Virtu Financial LLC | History | No change | 45,467 | 16 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| CERTUITY, LLC | History | No change | 15,000 | 13 | 0.0% | 0.0% | 29 | 0 | 0.0% | Q3 2026 | Nov 02, 2026 |
| CITIGROUP INC | History | New | 11,971 | 11 | 0.0% | — | 30 | +11,971 | New | Q3 2026 | Nov 04, 2026 |
| GSA CAPITAL PARTNERS LLP | History | No change | 27,146 | 10 | 0.0% | 0.0% | 31 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| Marest Capital, LLC | History | No change | 10,870 | 10 | 0.01% | 0.0% | 32 | 0 | 0.0% | Q3 2026 | Oct 23, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | No change | 27,300 | 9 | 0.0% | 0.0% | 33 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| GOLDMAN SACHS GROUP INC | History | No change | 20,023 | 7 | 0.0% | 0.0% | 34 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| MORGAN STANLEY | History | No change | 19,108 | 6 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Financial Perspectives, Inc | History | No change | 6,750 | 6 | 0.0% | 0.0% | 36 | 0 | 0.0% | Q3 2026 | Nov 03, 2026 |
| HBK Sorce Advisory LLC | History | No change | 13,227 | 5 | 0.0% | 0.0% | 37 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| BARCLAYS PLC | History | No change | 13,235 | 4 | 0.0% | 0.0% | 38 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| LPL Financial LLC | History | No change | 11,791 | 4 | 0.0% | 0.0% | 39 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| Larson Financial Group LLC | History | No change | 13,052 | 4 | 0.0% | 0.0% | 40 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Tower Research Capital LLC (TRC) | History | No change | 9,897 | 3 | 0.0% | 0.0% | 41 | 0 | 0.0% | Q2 2026 | Aug 11, 2026 |
| Cetera Investment Advisers | History | No change | 10,200 | 3 | 0.0% | 0.0% | 42 | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 8,625 | 3 | 0.0% | 0.0% | 43 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| Ranch Capital Advisors Inc. | History | No change | 11,000 | 3 | 0.0% | 0.0% | 44 | 0 | 0.0% | Q2 2026 | Aug 03, 2026 |
| SIMPLEX TRADING, LLC | History | Closed out | 0 | 0 | — | — | — | -255 | -100.0% | Q3 2026 | Nov 04, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 130 | 0 | — | — | — | +30 | 30.0% | Q3 2026 | Oct 21, 2026 |
| JPMORGAN CHASE & CO | History | No change | 2,108 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |
| GROUP ONE TRADING LLC | History | No change | 1,871 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 790 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Optiver Holding B.V. | History | No change | 22 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 12, 2026 |