AnaptysbioANAB
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 213 institutions reported holding Anaptysbio Inc. (ANAB) in their 13F filings, up 5 from Q1 2026. 43 opened new positions and 37 sold out. The largest holders were EcoR1 Capital, LLC ($531.9M), BlackRock, Inc. ($124.5M) and Tang Capital Management LLC ($89.8M). 7 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Anaptysbio Inc.
- CUSIP
- 032724106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 43 | $104.3M |
| Exits | 37 | $47.8M |
All 13F filers, Q1 2026 → Q2 2026: 4,673,394 shares bought and 2,792,152 shares sold, net +1,881,242 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 213 holders
| EcoR1 Capital, LLC | 26.38% | No change | 7,880,094 | $531.9M |
| BlackRock, Inc. | 0.00% | Add +9.7% | 1,844,049 | $124.5M |
| Tang Capital Management LLC | 4.10% | No change | 1,330,879 | $89.8M |
| State Street Corp. | 0.00% | Add +29.6% | 1,286,194 | $86.8M |
| Vanguard Capital Management LLC | 0.00% | Add +6.2% | 906,233 | $61.2M |
| Affinity Asset Advisors, LLC | 2.77% | Reduce -12.1% | 826,109 | $55.8M |
| Sanofi | 10.39% | No change | 821,917 | $55.5M |
| Millennium Management | 0.04% | Add +69.8% | 807,316 | $54.5M |
| Woodline Partners LP | 0.15% | Add +108.3% | 717,014 | $48.4M |
| 683 Capital Management, LLC | 4.28% | Add +5.6% | 660,000 | $44.6M |
| Geode Capital Management, LLC | 0.00% | Add +22.6% | 637,873 | $43.1M |
| Palo Alto Investors LP | 5.63% | Reduce -5.4% | 603,489 | $40.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +75.5% | 584,070 | $39.4M |
| First Light Asset Management, LLC | 2.39% | Add +2.9% | 582,004 | $39.3M |
| D. E. Shaw & Co. | 0.02% | Reduce -6.8% | 539,666 | $36.4M |
| Vanguard Portfolio Management LLC | 0.00% | Add +1.5% | 527,858 | $35.6M |
| Apis Capital Advisors, LLC | 3.27% | Add +108.8% | 497,000 | $33.5M |
| Sofinnova Investments, Inc. | 1.78% | Add +98.8% | 493,536 | $33.3M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Reduce -0.7% | 488,651 | $33.0M |
| Nuveen, LLC | 0.01% | Add +33.1% | 420,664 | $28.4M |
| Bank of America Corp. | 0.00% | Reduce -16.6% | 417,812 | $28.2M |
| Citadel Advisors | 0.02% | Add +68.9% | 394,373 | $26.6M |
| Federated Hermes, Inc. | 0.04% | Add +7.6% | 391,667 | $26.4M |
| Squarepoint Ops LLC | 0.04% | Add +21.2% | 324,446 | $21.9M |
| Two Sigma Investments, LP | 0.01% | Reduce -43.5% | 262,995 | $17.8M |
| First Trust Advisors LP | 0.01% | New | 258,989 | $17.5M |
| Morgan Stanley | 0.00% | Reduce -74.1% | 257,091 | $17.4M |
| Coppell Advisory Solutions LLC | 1.38% | New | 3,638 | $16.6M |
| FMR LLC | 0.00% | Reduce -49.1% | 240,511 | $16.2M |
| Qube Research & Technologies Ltd | 0.02% | Reduce -10.2% | 228,777 | $15.4M |
| HSBC Holdings PLC | 0.01% | Add +72.6% | 216,949 | $14.9M |
| Empowered Funds, LLC | 0.07% | New | 206,010 | $13.9M |
| Northern Trust Corp. | 0.00% | Add +10.5% | 202,767 | $13.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +5.0% | 202,305 | $13.7M |
| Invesco Ltd. | 0.00% | Add +66.8% | 202,056 | $13.6M |
| Dimensional Fund Advisors LP | 0.00% | New | 185,444 | $12.5M |
| Greenhaven Road Investment Management, L.P. | 7.50% | New | 171,059 | $11.5M |
| Victory Capital Management Inc. | 0.01% | Add +56.4% | 169,227 | $11.4M |
| Mackenzie Financial Corp. | 0.01% | Add +347.7% | 150,979 | $10.2M |
| UBS Group AG | 0.00% | Add +84.3% | 146,832 | $9.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +8.6% | 146,724 | $9.9M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Reduce -11.1% | 141,026 | $9.5M |
| Ensign Peak Advisors, Inc | 0.01% | Reduce -14.8% | 107,096 | $7.2M |
| Franklin Resources Inc. | 0.00% | Add +62.5% | 106,949 | $7.2M |
| Citigroup Inc. | 0.00% | Add +35.0% | 99,114 | $6.7M |
| Nomura Asset Management International Inc. | 0.01% | No change | 93,732 | $6.3M |
| Prudential Financial Inc. | 0.01% | Add +34.2% | 85,932 | $5.8M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.00% | New | 83,942 | $5.7M |
| JPMorgan Chase & Co. | 0.00% | Add +589.0% | 80,236 | $5.3M |
| Granahan Investment Management, LLC | 0.18% | Add +14.8% | 75,962 | $5.1M |
| Irenic Capital Management LP | 0.34% | New | 70,447 | $4.8M |
| Eversept Partners, LP | 0.26% | Add +158.3% | 69,983 | $4.7M |
| SG Americas Securities, LLC | 0.00% | Add +168.5% | 66,730 | $4.5M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Add +117.8% | 62,336 | $4.2M |
| State of Wisconsin Investment Board | 0.01% | Add +123.6% | 61,753 | $4.2M |
| Renaissance Technologies | 0.01% | Reduce -35.9% | 58,300 | $3.9M |
| Voloridge Investment Management, LLC | 0.02% | Reduce -27.1% | 57,555 | $3.9M |
| Bank of New York Mellon Corp | 0.00% | Add +10.3% | 56,401 | $3.8M |
| Deutsche Bank AG | 0.00% | Reduce -9.9% | 46,884 | $3.2M |
| AQR Capital Management | 0.00% | Add +42.7% | 46,323 | $3.1M |
| Marshall Wace, LLP | 0.00% | Reduce -35.6% | 43,822 | $3.0M |
| Bleakley Financial Group, LLC | 0.04% | Reduce -0.8% | 42,761 | $2.9M |
| Wellington Management Group LLP | 0.00% | Reduce -10.8% | 41,796 | $2.8M |
| Wells Fargo & Company | 0.00% | Add +25.7% | 41,707 | $2.8M |
| HighMark Wealth Management LLC | 0.90% | Reduce -57.8% | 39,716 | $2.7M |
| Capital Fund Management S.A. | 0.02% | New | 39,142 | $2.6M |
| Trexquant Investment LP | 0.01% | Reduce -58.4% | 35,404 | $2.4M |
| Atom Investors LP | 0.20% | New | 33,917 | $2.3M |
| T. Rowe Price Associates Inc. | 0.00% | Add +9.0% | 32,374 | $2.2M |
| Swiss National Bank | 0.00% | Add +14.9% | 31,700 | $2.1M |
| Voleon Capital Management LP | 0.04% | New | 31,425 | $2.1M |
| Tema ETFs LLC | 0.07% | Add +0.7% | 31,270 | $2.1M |
| Tidal Investments LLC | 0.01% | Reduce -14.0% | 31,270 | $2.1M |
| Moody Aldrich Partners LLC | 0.38% | Reduce -21.6% | 30,926 | $2.1M |
| Aquatic Capital Management LLC | 0.07% | New | 30,813 | $2.1M |
| SummitTX Capital, L.P. | 0.05% | New | 28,779 | $1.9M |
| Alliancebernstein L.P. | 0.00% | Add +4.8% | 32,820 | $1.8M |
| Rhumbline Advisers | 0.00% | Add +10.5% | 26,346 | $1.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -24.1% | 23,310 | $1.6M |
| Burney Co./ | 0.04% | New | 22,557 | $1.5M |
| Rafferty Asset Management, LLC | 0.00% | Reduce -19.8% | 21,864 | $1.5M |
| XTX Topco Ltd | 0.02% | Reduce -57.6% | 21,411 | $1.4M |
| Hussman Strategic Advisors, Inc. | 0.33% | No change | 21,000 | $1.4M |
| Tudor Investment Corporation | 0.01% | Add +303.4% | 20,019 | $1.4M |
| Credit Agricole S A | 0.00% | No change | 20,000 | $1.4M |
| Martingale Asset Management L P | 0.03% | Reduce -29.1% | 19,942 | $1.3M |
| Creative Planning | 0.00% | Add +11.5% | 18,773 | $1.3M |
| Y-Intercept (Hong Kong) Ltd | 0.02% | Reduce -18.6% | 18,468 | $1.2M |
| California State Teachers Retirement System | 0.00% | Add +25.9% | 17,629 | $1.2M |
| Los Angeles Capital Management LLC | 0.00% | Add +11.9% | 17,536 | $1.2M |
| VIRGINIA RETIREMENT SYSTEMS ET Al | 0.01% | Add +7.5% | 17,250 | $1.2M |
| Diametric Capital, LP | 0.12% | New | 16,868 | $1.1M |
| Canada Pension Plan Investment Board | 0.00% | Add +10.7% | 16,500 | $1.1M |
| Legal & General Group Plc | 0.00% | Add +18.7% | 16,415 | $1.1M |
| Russell Investments Group, Ltd. | 0.00% | Add +22.7% | 16,301 | $1.1M |
| Massachusetts Financial Services Co. | 0.00% | New | 15,870 | $1.1M |
| Cresset Asset Management, LLC | 0.00% | Add +3.9% | 14,412 | $973K |
| Vanguard Global Advisers, LLC | 0.00% | Add +18.4% | 13,919 | $940K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +39.6% | 13,405 | $905K |
| Brevan Howard Capital Management LP | 0.01% | Add +20.9% | 13,329 | $900K |
| Sei Investments Co. | 0.00% | Add +72.0% | 13,161 | $888K |
| Orion Porfolio Solutions, LLC | 0.01% | Reduce -9.5% | 11,876 | $802K |
| Acadian Asset Management LLC | 0.00% | Reduce -11.5% | 11,697 | $787K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 11,610 | $784K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +11.0% | 11,639 | $782K |
| Clear Harbor Asset Management, LLC | 0.05% | New | 11,550 | $780K |
| MetLife Investment Management, LLC | 0.00% | Add +13.5% | 11,548 | $779K |
| Voya Investment Management LLC | 0.00% | Reduce -21.5% | 11,265 | $760K |
| Profund Advisors LLC | 0.02% | Reduce -9.5% | 11,044 | $745K |
| Quantedge Capital Pte Ltd | 0.53% | New | 10,400 | $702K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +2.0% | 10,366 | $700K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | No change | 9,690 | $654K |
| DCF Advisers, LLC | 0.16% | Reduce -51.5% | 9,114 | $615K |
| American Century Companies Inc. | 0.00% | New | 8,877 | $599K |
| Cibc World Market Inc. | 0.00% | New | 8,700 | $587K |
| New York State Common Retirement Fund | 0.00% | Add +15.5% | 8,070 | $545K |
| BNP Paribas Financial Markets | 0.00% | Reduce -91.8% | 7,967 | $538K |
| Verition Fund Management LLC | 0.00% | New | 7,500 | $506K |
| Jupiter Topco LLC | 0.00% | — | 7,464 | $504K |
| Lombard Odier Asset Management (USA) Corp | 0.69% | New | 7,400 | $500K |
| Glenmede Trust Co. NA | 0.00% | Add +9.9% | 7,016 | $474K |
| Quantinno Capital Management LP | 0.00% | Add +7.6% | 6,547 | $442K |
| Duncan Williams Asset Management, LLC | 0.10% | No change | 6,525 | $440K |
| Gotham Asset Management | 0.00% | Reduce -55.0% | 6,292 | $425K |
| Vinva Investment Management Ltd | 0.00% | No change | 4,383 | $420K |
| Virtus Investment Advisers, LLC | 0.09% | Reduce -3.8% | 5,835 | $394K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +18.1% | 5,828 | $393K |
| Savant Capital, LLC | 0.00% | Reduce -7.1% | 5,736 | $387K |
| Ascent Group, LLC | 0.01% | Reduce -0.4% | 5,598 | $378K |
| FMB Wealth Management | 0.14% | No change | 5,592 | $377K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 5,526 | $373K |
| Intech Investment Management LLC | 0.00% | Add +6.1% | 5,397 | $364K |
| Envestnet Asset Management Inc. | 0.00% | Reduce -8.9% | 5,328 | $360K |
| Hillsdale Investment Management Inc. | 0.01% | Add +11.5% | 5,150 | $348K |
| State of New Jersey Common Pension Fund D | 0.00% | Add +6.9% | 5,113 | $345K |
| Barclays PLC | 0.00% | Reduce -31.4% | 5,107 | $345K |
| Ancora Advisors LLC | 0.01% | New | 5,000 | $338K |
| Marex Group Ltd | 0.00% | New | 4,962 | $335K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | Reduce -86.4% | 4,882 | $330K |
| China Universal Asset Management Co., Ltd. | 0.02% | Reduce -24.9% | 4,631 | $313K |
| Latash Investments, LLC | 0.22% | No change | 4,393 | $297K |
| Arizona State Retirement System | 0.00% | Add +13.5% | 4,363 | $295K |
| Allen Capital Group, LLC | 0.02% | Reduce -2.1% | 4,039 | $273K |
| Moran Wealth Management, LLC | 0.01% | Reduce -2.0% | 3,981 | $269K |
| Mitsubishi UFJ Trust & Banking Corp | 0.00% | New | 3,872 | $261K |
| Royal Bank of Canada | 0.00% | Reduce -11.3% | 3,740 | $252K |
| ADAR1 Capital Management, LLC | 0.01% | No change | 3,698 | $250K |
| Public Employees Retirement Association of Colorado | 0.00% | Reduce -24.9% | 3,652 | $247K |
| Swiss Life Asset Management Ltd | 0.00% | New | 3,621 | $244K |
| Vanguard Investments Australia, Ltd. | 0.00% | No change | 3,575 | $241K |
| nVerses Capital, LLC | 0.37% | New | 3,557 | $240K |
| ProShare Advisors LLC | 0.00% | Reduce -8.8% | 3,544 | $239K |
| Verdad Advisers, LP | 0.23% | New | 3,498 | $236K |
| Mangrove Partners Im, LLC | 0.02% | Reduce -6.3% | 3,475 | $235K |
| E Fund Management Co., Ltd. | 0.00% | New | 3,083 | $208K |
| Kestra Advisory Services, LLC | 0.00% | New | 3,066 | $207K |
| Rangeley Capital, LLC | 0.20% | New | 3,000 | $203K |
| KLP Kapitalforvaltning As | 0.00% | No change | 3,000 | $203K |
| State of Wyoming | 0.02% | New | 2,347 | $158K |
| Osaic Holdings, Inc. | 0.00% | Add +6.4% | 2,177 | $147K |
| Group One Trading LLC | 0.00% | Add +468.2% | 2,074 | $140K |
| Ameritas Investment Partners, Inc. | 0.00% | Add +20.0% | 1,793 | $121K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +126.4% | 1,698 | $114K |
| Larson Financial Group LLC | 0.00% | Reduce -0.1% | 1,624 | $110K |
| US Bancorp \de | 0.00% | Reduce -2.5% | 1,595 | $108K |
| Bessemer Group Inc. | 0.00% | No change | 1,428 | $96K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -9.9% | 1,301 | $88K |
| Simplex Trading, LLC | 0.00% | New | 1,267 | $86K |
| Spire Wealth Management | 0.00% | Add +200.0% | 1,200 | $81K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -66.5% | 970 | $65K |
| Smartleaf Asset Management LLC | 0.00% | No change | 840 | $55K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -6.0% | 610 | $41K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -7.3% | 576 | $39K |
| Persistent Asset Partners Ltd | 0.01% | New | 575 | $39K |
| Versant Capital Management, Inc | 0.00% | No change | 454 | $31K |
| GAMMA Investing LLC | 0.00% | Add +1.1% | 447 | $30K |
| Farther Finance Advisors, LLC | 0.00% | Add +2.9% | 395 | $27K |
| Pacer Advisors, Inc. | 0.00% | New | 365 | $25K |
| Signaturefd, LLC | 0.00% | Reduce -3.0% | 355 | $24K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | No change | 334 | $23K |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -87.6% | 289 | $20K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Reduce -3.9% | 247 | $17K |
| Silver Grove Financial Group, Inc. | 0.01% | New | 205 | $14K |
| Arax Advisory Partners | 0.00% | New | 176 | $12K |
| Quantbot Technologies LP | 0.00% | Reduce -68.7% | 175 | $12K |
| Rothschild Investment LLC | 0.00% | No change | 165 | $11K |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -53.1% | 153 | $10K |
| Allworth Financial LP | 0.00% | Reduce -2.6% | 150 | $10K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -4.6% | 104 | $7K |
| Physician Wealth Advisors, Inc. | 0.00% | No change | 85 | $6K |
| Basecamp Wealth Advisors LLC | 0.00% | Reduce -7.8% | 83 | $6K |
| Sterling Capital Management LLC | 0.00% | Reduce -41.5% | 69 | $5K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -92.8% | 65 | $4K |
| Parallel Advisors, LLC | 0.00% | Reduce -16.7% | 55 | $4K |
| Hollencrest Capital Management | 0.00% | No change | 50 | $3K |
| Optiver Holding B.V. | 0.00% | New | 45 | $3K |
| Decker Retirement Planning Inc. | 0.00% | New | 43 | $3K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 43 | $3K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Reduce -19.6% | 37 | $2K |
| Assetmark, Inc. | 0.00% | No change | 36 | $2K |
| Global Retirement Partners, LLC | 0.00% | — | 36 | $2K |
| Quarry LP | 0.00% | New | 29 | $2K |
| Parkside Financial Bank & Trust | 0.00% | No change | 25 | $2K |
| Blue Trust, Inc. | 0.00% | No change | 19 | $1K |
| Essential Partners LLC | 0.00% | Reduce -48.5% | 17 | $1K |
| Covestor Ltd | 0.00% | Add +350.0% | 9 | $1K |
| Stone House Investment Management, LLC | 0.00% | No change | 12 | $810 |
| National Bank of Canada | 0.00% | New | 8 | $540 |
| Fifth Third Bancorp | 0.00% | New | 6 | $405 |
| True Wealth Design, LLC | 0.00% | No change | 4 | $270 |
| IFP Advisors, Inc | 0.00% | No change | 1 | $68 |
| TFC Financial Management, Inc. | 0.00% | No change | 1 | $68 |
| Avion Wealth | 0.00% | New | 7 | $0 |
"% of holder's portfolio" is ANAB's weight in each manager's 13F, not the share of Anaptysbio Inc. the manager owns.