Anaptysbio, Inc (NASDAQ:ANAB) appears in 173 institutional 13F filings for the quarter ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| EcoR1 Capital, LLC | 31 Mar, 2026 | 7,880,094 | 0 | 0.00% | $437,030,013.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 1,681,380 | -53,050 | -3.06% | $93,249,334.00 |
| TANG CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 1,330,879 | -1,208 | -0.09% | $73,810,549.00 |
| Morgan Stanley | 31 Mar, 2026 | 993,905 | -40,657 | -3.93% | $55,121,984.00 |
| State Street Corp | 31 Mar, 2026 | 992,445 | -61,029 | -5.79% | $55,041,000.00 |
| Affinity Asset Advisors, LLC | 31 Mar, 2026 | 940,000 | 495,308 | 111.38% | $52,132,400.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 853,151 | 853,151 | 0.00% | $47,315,754.00 |
| Sanofi | 31 Mar, 2026 | 821,917 | 0 | 0.00% | $30,384,545.00 |
| Palo Alto Investors LP | 31 Mar, 2026 | 638,161 | -51,871 | -7.52% | $35,392,409.00 |
| 683 Capital Management, LLC | 31 Mar, 2026 | 625,000 | -23,093 | -3.56% | $34,662,500.00 |
| D. E. Shaw & Co., Inc. | 31 Mar, 2026 | 579,296 | -90,992 | -13.58% | $32,127,756.00 |
| First Light Asset Management, LLC | 31 Mar, 2026 | 565,431 | -80,807 | -12.50% | $31,358,803.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 520,241 | 50,747 | 10.81% | $28,858,610.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 519,870 | 519,870 | 0.00% | $28,831,990.00 |
| Bank Of America Corp /De/ | 31 Mar, 2026 | 501,086 | 370,319 | 283.19% | $27,790,230.00 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 31 Mar, 2026 | 492,120 | -67,624 | -12.08% | $27,292,975.00 |
| MILLENNIUM MANAGEMENT LLC | 31 Mar, 2026 | 475,572 | -337,999 | -41.55% | $26,375,223.00 |
| FMR LLC | 31 Mar, 2026 | 472,704 | 445,596 | 1,643.78% | $26,216,167.00 |
| TWO SIGMA INVESTMENTS, LP | 31 Mar, 2026 | 465,083 | 208,448 | 81.22% | $25,793,503.00 |
| Federated Hermes, Inc. | 31 Mar, 2026 | 364,121 | 64,705 | 21.61% | $20,194,150.00 |