Who Owns ANAPTYSBIO INC (ANAB)? -- Institutional Holders (2026-06-30)
244 institutions reported holding $2.07B of ANAPTYSBIO INC (ANAB) in SEC 13F filings for 2026-06-30. Largest institutional holders: EcoR1 Capital, LLC ($531.9M), BlackRock, Inc. ($124.5M), VANGUARD GROUP INC ($108.5M), TANG CAPITAL MANAGEMENT LLC ($89.8M), STATE STREET CORP ($86.8M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | EcoR1 Capital, LLC | $531.9M | 7.9M | Hold |
| 2 | BlackRock, Inc. | $124.5M | 1.8M | Added |
| 3 | VANGUARD GROUP INC | $108.5M | 1.6M | Added |
| 4 | TANG CAPITAL MANAGEMENT LLC | $89.8M | 1.3M | Hold |
| 5 | STATE STREET CORP | $86.8M | 1.3M | Added |
| 6 | Affinity Asset Advisors, LLC | $55.8M | 826,109 | Trimmed |
| 7 | MILLENNIUM MANAGEMENT LLC | $55.5M | 822,316 | Added |
| 8 | Sanofi | $55.5M | 821,917 | Hold |
| 9 | Woodline Partners LP | $48.4M | 717,014 | Added |
| 10 | 683 Capital Management, LLC | $44.6M | 660,000 | Added |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $43.1M | 637,873 | Added |
| 12 | Palo Alto Investors LP | $40.7M | 603,489 | Trimmed |
| 13 | GOLDMAN SACHS GROUP INC | $39.4M | 584,070 | Added |
| 14 | First Light Asset Management, LLC | $39.3M | 582,004 | Added |
| 15 | D. E. Shaw & Co., Inc. | $36.4M | 539,666 | Trimmed |
| 16 | Apis Capital Advisors, LLC | $33.5M | 497,000 | Added |
| 17 | Sofinnova Investments, Inc. | $33.3M | 493,536 | Added |
| 18 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $33.0M | 488,651 | Trimmed |
| 19 | Nuveen, LLC | $28.4M | 420,664 | Added |
| 20 | BANK OF AMERICA CORP /DE/ | $28.2M | 417,812 | Trimmed |
| 21 | CITADEL ADVISORS LLC | $27.9M | 413,673 | Added |
| 22 | FEDERATED HERMES, INC. | $26.4M | 391,667 | Added |
| 23 | Squarepoint Ops LLC | $21.9M | 324,446 | Added |
| 24 | TWO SIGMA INVESTMENTS, LP | $17.8M | 262,995 | Trimmed |
| 25 | FIRST TRUST ADVISORS LP | $17.5M | 258,989 | New |
Source: SEC Form 13F filings · as of 2026-06-30