HOWL — Institutional owners (13F)
Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.
| Institution | Value | Shares | % of tracked 13F | Type |
|---|---|---|---|---|
| MPM ASSET MANAGEMENT LLC | $8,490,424 | 4,309,860 | 63.19% | Shares |
| VANGUARD GROUP INC | $892,702 | 1,408,047 | 6.64% | Shares |
| RA CAPITAL MANAGEMENT, L.P. | $859,349 | 2,387,744 | 6.40% | Shares |
| Balyasny Asset Management L.P. | $644,253 | 1,790,089 | 4.79% | Shares |
| VANGUARD CAPITAL MANAGEMENT LLC | $438,471 | 1,217,976 | 3.26% | Shares |
| RENAISSANCE TECHNOLOGIES LLC | $242,800 | 674,632 | 1.81% | Shares |
| Lynx1 Capital Management LP | $236,737 | 657,786 | 1.76% | Shares |
| SPHERA FUNDS MANAGEMENT LTD. | $225,589 | 626,810 | 1.68% | Shares |
| DC Funds, LP | $212,018 | 589,102 | 1.58% | Shares |
| Verdad Advisers, LP | $125,500 | 348,709 | 0.93% | Shares |
| GEODE CAPITAL MANAGEMENT, LLC | $120,895 | 335,815 | 0.90% | Shares |
| BANK OF AMERICA CORP /DE/ | $111,829 | 311,502 | 0.83% | Shares |
| XTX Topco Ltd | $97,705 | 271,478 | 0.73% | Shares |
| Cubist Systematic Strategies, LLC | $92,020 | 46,711 | 0.68% | Shares |
| JANE STREET GROUP, LLC | $90,637 | 251,837 | 0.67% | Shares |
| UBS Group AG | $77,702 | 215,838 | 0.58% | Shares |
| VANGUARD FIDUCIARY TRUST CO | $56,781 | 157,726 | 0.42% | Shares |
| STATE STREET CORP | $42,889 | 119,168 | 0.32% | Shares |
| Squarepoint Ops LLC | $37,157 | 103,242 | 0.28% | Shares |
| BlackRock, Inc. | $36,556 | 101,573 | 0.27% | Shares |
| Rangeley Capital, LLC | $35,990 | 100,000 | 0.27% | Shares |
| NORTHERN TRUST CORP | $31,258 | 86,851 | 0.23% | Shares |
| Alyeska Investment Group, L.P. | $31,151 | 86,554 | 0.23% | Shares |
| MPM BIOIMPACT LLC | $28,851 | 80,142 | 0.21% | Shares |
| CITADEL ADVISORS LLC | $26,993 | 75,000 | 0.20% | Call option |
| Point72 Asia (Singapore) Pte. Ltd. | $25,642 | 13,016 | 0.19% | Shares |
| MILLENNIUM MANAGEMENT LLC | $22,334 | 62,055 | 0.17% | Shares |
| H D Vest Advisory Services | $11,118 | 10,200 | 0.08% | Shares |
| TWO SIGMA INVESTMENTS, LP | $9,825 | 27,300 | 0.07% | Shares |
| StoneX Group Inc. | $9,000 | 20,000 | 0.07% | Shares |
| GOLDMAN SACHS GROUP INC | $7,206 | 20,023 | 0.05% | Shares |
| MORGAN STANLEY | $6,877 | 19,108 | 0.05% | Shares |
| TWO SIGMA ADVISERS, LP | $6,525 | 10,300 | 0.05% | Shares |
| CITADEL ADVISORS LLC | $5,578 | 15,500 | 0.04% | Put option |
| CERTUITY, LLC | $5,399 | 15,000 | 0.04% | Shares |
| HBK Sorce Advisory LLC | $5,317 | 13,227 | 0.04% | Shares |
| BARCLAYS PLC | $4,763 | 13,235 | 0.04% | Shares |
| Larson Financial Group LLC | $4,697 | 13,052 | 0.03% | Shares |
| LPL Financial LLC | $4,244 | 11,791 | 0.03% | Shares |
| Ranch Capital Advisors Inc. | $3,959 | 11,000 | 0.03% | Shares |
| Marest Capital, LLC | $3,912 | 10,870 | 0.03% | Shares |
| Cetera Investment Advisers | $3,671 | 10,200 | 0.03% | Shares |
| Tower Research Capital LLC (TRC) | $3,562 | 9,897 | 0.03% | Shares |
| OSAIC HOLDINGS, INC. | $3,105 | 8,625 | 0.02% | Shares |
| Financial Perspectives, Inc | $2,429 | 6,750 | 0.02% | Shares |
| GROUP ONE TRADING LLC | $673 | 1,871 | 0.01% | Shares |
| JPMORGAN CHASE & CO | $650 | 2,108 | 0.00% | Shares |
| BNP PARIBAS FINANCIAL MARKETS | $284 | 790 | 0.00% | Shares |
| SIMPLEX TRADING, LLC | $91 | 255 | 0.00% | Shares |
| SBI Securities Co., Ltd. | $36 | 100 | 0.00% | Shares |
| Virtu Financial LLC | $16 | 45,467 | 0.00% | Shares |
| GSA CAPITAL PARTNERS LLP | $10 | 27,146 | 0.00% | Shares |
| Optiver Holding B.V. | $8 | 22 | 0.00% | Shares |