Anaptysbio, Inc
ANAB- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001370053
No open-market purchases or sales by Anaptysbio, Inc insiders were filed in the last 90 days; 213 institutions reported holding it in 13F filings for Q2 2026, worth $2.05B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Anaptysbio, Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 213
- +8 vs. Q1 2026
- Shares held
- 30.1M
- +1.89M (+6.7%) vs. Q1 2026
- Total value
- $2.05B
- +$499.1M (+32.2%) vs. Q1 2026
- New holders
- 45
- 73 more added
- Sold out
- 37
- 65 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ANAB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 213 | $2.05B |
| Q1 2026 | 208 | $1.55B |
| Q4 2025 | 179 | $1.42B |
| Q3 2025 | 166 | $980.6M |
| Q2 2025 | 148 | $816.2M |
| Q1 2025 | 153 | $744.6M |
| Q4 2024 | 136 | $468.9M |
| Q3 2024 | 160 | $1.13B |
| Q2 2024 | 135 | $746.9M |
| Q1 2024 | 133 | $687.0M |
| Q4 2023 | 119 | $659.7M |
| Q3 2023 | 116 | $546.3M |
| Q2 2023 | 116 | $614.9M |
| Q1 2023 | 113 | $681.7M |
| Q4 2022 | 118 | $1.02B |
| Q3 2022 | 114 | $830.6M |
| Q2 2022 | 124 | $632.6M |
| Q1 2022 | 131 | $735.4M |
| Q4 2021 | 136 | $966.1M |
| Q3 2021 | 127 | $748.8M |
| Q2 2021 | 122 | $721.7M |
| Q1 2021 | 122 | $628.6M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Anaptysbio, Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| EcoR1 Capital, LLC | 7,880,094 | $531.9M | 26.37% | 00.0% | Unchanged |
| BlackRock, Inc. | 1,844,049 | $124.5M | 0.00% | +162,669+9.7% | Added |
| Tang Capital Management LLC | 1,330,879 | $89.8M | 4.08% | 00.0% | Unchanged |
| State Street Corp | 1,286,194 | $86.8M | 0.00% | +293,749+29.6% | Added |
| Vanguard Capital Management LLC | 906,233 | $61.2M | 0.00% | +53,082+6.2% | Added |
| Affinity Asset Advisors, LLC | 826,109 | $55.8M | 2.73% | −113,891−12.1% | Reduced |
| Sanofi | 821,917 | $55.5M | 10.39% | 00.0% | Unchanged |
| Millennium Management LLC | 807,316 | $54.5M | 0.04% | +331,744+69.8% | Added |
| Woodline Partners LP | 717,014 | $48.4M | 0.15% | +372,758+108.3% | Added |
| 683 Capital Management, LLC | 660,000 | $44.6M | 4.10% | +35,000+5.6% | Added |
| Geode Capital Management, LLC | 637,873 | $43.1M | 0.00% | +117,632+22.6% | Added |
| Palo Alto Investors LP | 603,489 | $40.7M | 5.63% | −34,672−5.4% | Reduced |
| Goldman Sachs Group Inc | 584,070 | $39.4M | 0.00% | +251,327+75.5% | Added |
| First Light Asset Management, LLC | 582,004 | $39.3M | 2.39% | +16,573+2.9% | Added |
| D. E. Shaw & Co., Inc. | 539,666 | $36.4M | 0.02% | −39,630−6.8% | Reduced |
| Vanguard Portfolio Management LLC | 527,858 | $35.6M | 0.00% | +7,988+1.5% | Added |
| Apis Capital Advisors, LLC | 497,000 | $33.5M | 3.27% | +259,000+108.8% | Added |
| Sofinnova Investments, Inc. | 493,536 | $33.3M | 1.78% | +245,283+98.8% | Added |
| Arrowstreet Capital, Limited Partnership | 488,651 | $33.0M | 0.01% | −3,469−0.7% | Reduced |
| Nuveen, LLC | 420,664 | $28.4M | 0.01% | +104,599+33.1% | Added |
| Bank of America Corp | 417,812 | $28.2M | 0.00% | −83,274−16.6% | Reduced |
| Citadel Advisors LLC | 394,373 | $26.6M | 0.02% | +160,923+68.9% | Added |
| Federated Hermes, Inc. | 391,667 | $26.4M | 0.04% | +27,546+7.6% | Added |
| Squarepoint Ops LLC | 324,446 | $21.9M | 0.04% | +56,743+21.2% | Added |
| Two Sigma Investments, LP | 262,995 | $17.8M | 0.01% | −202,088−43.5% | Reduced |
| First Trust Advisors LP | 258,989 | $17.5M | 0.01% | +258,989 | New |
| Morgan Stanley | 257,091 | $17.4M | 0.00% | −736,814−74.1% | Reduced |
| Coppell Advisory Solutions LLC | 3,638 | $16.6M | 1.37% | +3,638 | New |
| FMR LLC | 240,511 | $16.2M | 0.00% | −232,193−49.1% | Reduced |
| Qube Research & Technologies Ltd | 228,777 | $15.4M | 0.02% | −25,959−10.2% | Reduced |
| HSBC Holdings PLC | 216,949 | $14.9M | 0.01% | +91,232+72.6% | Added |
| Empowered Funds, LLC | 206,010 | $13.9M | 0.07% | +206,010 | New |
| Northern Trust Corp | 202,767 | $13.7M | 0.00% | +19,248+10.5% | Added |
| Charles Schwab Investment Management Inc | 202,305 | $13.7M | 0.00% | +9,618+5.0% | Added |
| Invesco Ltd. | 202,056 | $13.6M | 0.00% | +80,953+66.8% | Added |
| Dimensional Fund Advisors LP | 185,444 | $12.5M | 0.00% | +185,444 | New |
| Greenhaven Road Investment Management, L.P. | 171,059 | $11.5M | 7.50% | +171,059 | New |
| Victory Capital Management Inc | 169,227 | $11.4M | 0.01% | +61,024+56.4% | Added |
| Mackenzie Financial Corp | 150,979 | $10.2M | 0.01% | +117,259+347.7% | Added |
| UBS Group AG | 146,832 | $9.91M | 0.00% | +67,162+84.3% | Added |
| Vanguard Fiduciary Trust Co | 146,724 | $9.90M | 0.00% | +11,642+8.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 141,026 | $9.52M | 0.02% | −17,536−11.1% | Reduced |
| Ensign Peak Advisors, Inc | 107,096 | $7.23M | 0.01% | −18,537−14.8% | Reduced |
| Franklin Resources Inc | 106,949 | $7.22M | 0.00% | +41,129+62.5% | Added |
| Citigroup Inc | 99,114 | $6.69M | 0.00% | +25,708+35.0% | Added |
| Nomura Asset Management International Inc. | 93,732 | $6.33M | 0.01% | 00.0% | Unchanged |
| Prudential Financial Inc | 85,932 | $5.80M | 0.01% | +21,882+34.2% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 83,942 | $5.67M | 0.00% | +83,942 | New |
| JPMorgan Chase & Co | 80,236 | $5.29M | 0.00% | +68,591+589.0% | Added |
| Granahan Investment Management Inc | 75,962 | $5.13M | 0.18% | +9,780+14.8% | Added |
| Irenic Capital Management LP | 70,447 | $4.76M | 0.34% | +70,447 | New |
| Eversept Partners, LP | 69,983 | $4.72M | 0.26% | +42,894+158.3% | Added |
| SG Americas Securities, LLC | 66,730 | $4.50M | 0.00% | +41,879+168.5% | Added |
| Jacobs Levy Equity Management, Inc | 62,336 | $4.21M | 0.02% | +33,711+117.8% | Added |
| State of Wisconsin Investment Board | 61,753 | $4.17M | 0.01% | +34,134+123.6% | Added |
| Renaissance Technologies LLC | 58,300 | $3.94M | 0.01% | −32,600−35.9% | Reduced |
| Voloridge Investment Management, LLC | 57,555 | $3.88M | 0.02% | −21,397−27.1% | Reduced |
| Bank of New York Mellon Corp | 56,401 | $3.81M | 0.00% | +5,286+10.3% | Added |
| Deutsche Bank AG | 46,884 | $3.16M | 0.00% | −5,154−9.9% | Reduced |
| AQR Capital Management LLC | 46,323 | $3.13M | 0.00% | +13,856+42.7% | Added |
| Marshall Wace, LLP | 43,822 | $2.96M | 0.00% | −24,225−35.6% | Reduced |
| Bleakley Financial Group, LLC | 42,761 | $2.89M | 0.04% | −359−0.8% | Reduced |
| Wellington Management Group LLP | 41,796 | $2.82M | 0.00% | −5,085−10.8% | Reduced |
| Wells Fargo & Company | 41,707 | $2.82M | 0.00% | +8,527+25.7% | Added |
| HighMark Wealth Management LLC | 39,716 | $2.68M | 0.90% | −54,334−57.8% | Reduced |
| Capital Fund Management S.A. | 39,142 | $2.64M | 0.02% | +39,142 | New |
| Trexquant Investment LP | 35,404 | $2.39M | 0.01% | −49,763−58.4% | Reduced |
| Atom Investors LP | 33,917 | $2.29M | 0.20% | +33,917 | New |
| Price T Rowe Associates Inc | 32,374 | $2.19M | 0.00% | +2,683+9.0% | Added |
| Swiss National Bank | 31,700 | $2.14M | 0.00% | +4,100+14.9% | Added |
| Voleon Capital Management LP | 31,425 | $2.12M | 0.04% | +31,425 | New |
| Toroso Investments, LLC | 31,270 | $2.11M | 0.01% | −5,082−14.0% | Reduced |
| Tema ETFs LLC | 31,270 | $2.11M | 0.07% | +201+0.6% | Added |
| Moody Aldrich Partners LLC | 30,926 | $2.09M | 0.38% | −8,529−21.6% | Reduced |
| Aquatic Capital Management LLC | 30,813 | $2.08M | 0.07% | +30,813 | New |
| SummitTX Capital, L.P. | 28,779 | $1.94M | 0.05% | +28,779 | New |
| Alliancebernstein L.P. | 32,820 | $1.82M | 0.00% | +1,500+4.8% | Added |
| Rhumbline Advisers | 26,346 | $1.78M | 0.00% | +2,498+10.5% | Added |
| UBS Asset Management Americas Inc | 23,310 | $1.57M | 0.00% | −7,417−24.1% | Reduced |
| Burney Co | 22,557 | $1.52M | 0.04% | +22,557 | New |
| Rafferty Asset Management, LLC | 21,864 | $1.48M | 0.00% | −5,385−19.8% | Reduced |
| XTX Topco Ltd | 21,411 | $1.45M | 0.02% | −29,126−57.6% | Reduced |
| Hussman Strategic Advisors, Inc. | 21,000 | $1.42M | 0.33% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 20,019 | $1.35M | 0.01% | +15,057+303.4% | Added |
| Credit Agricole S A | 20,000 | $1.35M | 0.00% | 00.0% | Unchanged |
| Martingale Asset Management L P | 19,942 | $1.35M | 0.03% | −8,200−29.1% | Reduced |
| Creative Planning | 18,773 | $1.27M | 0.00% | +1,937+11.5% | Added |
| Y-Intercept (Hong Kong) Ltd | 18,468 | $1.25M | 0.02% | −4,233−18.6% | Reduced |
| California State Teachers Retirement System | 17,629 | $1.19M | 0.00% | +3,629+25.9% | Added |
| Los Angeles Capital Management LLC | 17,536 | $1.18M | 0.00% | +1,872+12.0% | Added |
| Virginia Retirement Systems Et Al | 17,250 | $1.16M | 0.01% | +1,200+7.5% | Added |
| Diametric Capital, LP | 16,868 | $1.14M | 0.12% | +16,868 | New |
| Canada Pension Plan Investment Board | 16,500 | $1.11M | 0.00% | +1,600+10.7% | Added |
| Legal & General Group Plc | 16,415 | $1.11M | 0.00% | +2,584+18.7% | Added |
| Russell Investments Group, Ltd. | 16,301 | $1.10M | 0.00% | +3,013+22.7% | Added |
| Massachusetts Financial Services Co | 15,870 | $1.07M | 0.00% | +15,870 | New |
| Cresset Asset Management, LLC | 14,412 | $972.8K | 0.00% | +544+3.9% | Added |
| Vanguard Global Advisers, LLC | 13,919 | $939.5K | 0.00% | +2,165+18.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 13,405 | $904.8K | 0.00% | +3,806+39.6% | Added |
| Brevan Howard Capital Management LP | 13,329 | $899.7K | 0.01% | +2,301+20.9% | Added |