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 $2.03B in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in Anaptysbio, Inc as of Mar 31, 2025. 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
- 153
- +18 vs. Q4 2024
- Shares held
- 40.0M
- +4.59M (+13.0%) vs. Q4 2024
- Total value
- $742.8M
- +$274.6M (+58.6%) vs. Q4 2024
- New holders
- 45
- 44 more added
- Sold out
- 27
- 43 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 | $2.03B |
| Q1 2026 | 208 | $1.55B |
| Q4 2025 | 179 | $1.42B |
| Q3 2025 | 166 | $980.2M |
| Q2 2025 | 148 | $816.2M |
| Q1 2025 | 153 | $742.8M |
| Q4 2024 | 136 | $468.9M |
| Q3 2024 | 160 | $1.13B |
| Q2 2024 | 135 | $746.6M |
| Q1 2024 | 133 | $658.1M |
| Q4 2023 | 119 | $646.4M |
| Q3 2023 | 116 | $544.5M |
| Q2 2023 | 116 | $614.9M |
| Q1 2023 | 113 | $675.4M |
| Q4 2022 | 118 | $1.02B |
| Q3 2022 | 114 | $830.6M |
| Q2 2022 | 124 | $632.6M |
| Q1 2022 | 131 | $735.4M |
| Q4 2021 | 136 | $964.4M |
| Q3 2021 | 127 | $748.8M |
| Q2 2021 | 122 | $720.6M |
| Q1 2021 | 122 | $628.6M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Anaptysbio, Inc; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| EcoR1 Capital, LLC | 7,880,094 | $146.5M | 8.71% | +6,646+0.1% | Added |
| First Light Asset Management, LLC | 4,633,602 | $86.1M | 9.84% | +3,764,720+433.3% | Added |
| Point72 Asset Management, L.P. | 2,368,370 | $44.0M | 0.12% | +2,368,370 | New |
| BlackRock, Inc. | 2,176,598 | $40.5M | 0.00% | −371,870−14.6% | Reduced |
| FMR LLC | 1,905,154 | $35.4M | 0.00% | −1,125,082−37.1% | Reduced |
| Tang Capital Management LLC | 1,545,153 | $28.7M | 1.59% | +214,274+16.1% | Added |
| Vanguard Group Inc | 1,517,325 | $28.2M | 0.00% | −326,415−17.7% | Reduced |
| Boxer Capital Management, LLC | 1,300,000 | $24.2M | 7.27% | 00.0% | Unchanged |
| Sofinnova Investments, Inc. | 1,160,033 | $21.6M | 1.63% | +1,027,106+772.7% | Added |
| Bank of America Corp | 1,143,959 | $21.3M | 0.00% | +1,126,010+6,273.4% | Added |
| Citigroup Inc | 1,071,247 | $19.9M | 0.02% | +1,017,470+1,892.0% | Added |
| Palo Alto Investors LP | 1,020,713 | $19.0M | 3.61% | +176,742+20.9% | Added |
| Price T Rowe Associates Inc | 915,081 | $17.0M | 0.00% | −9,926−1.1% | Reduced |
| State Street Corp | 860,723 | $16.0M | 0.00% | −425,032−33.1% | Reduced |
| Sanofi | 821,917 | $15.3M | 9.21% | 00.0% | Unchanged |
| Woodline Partners LP | 791,023 | $14.7M | 0.10% | +305,950+63.1% | Added |
| Camber Capital Management LP | 750,000 | $13.9M | 0.87% | −500,000−40.0% | Reduced |
| Morgan Stanley | 504,636 | $9.38M | 0.00% | +288,719+133.7% | Added |
| Geode Capital Management, LLC | 491,167 | $9.13M | 0.00% | +4,570+0.9% | Added |
| UBS Group AG | 490,273 | $9.11M | 0.00% | +453,667+1,239.3% | Added |
| Victory Capital Management Inc | 406,430 | $7.56M | 0.01% | +71,980+21.5% | Added |
| Citadel Advisors LLC | 372,569 | $6.93M | 0.01% | +198,842+114.5% | Added |
| 5AM Venture Management, LLC | 357,733 | $6.65M | 2.52% | 00.0% | Unchanged |
| Franklin Resources Inc | 354,391 | $6.59M | 0.00% | +210.0% | Added |
| Renaissance Technologies LLC | 338,700 | $6.30M | 0.01% | +145,500+75.3% | Added |
| Goldman Sachs Group Inc | 280,577 | $5.22M | 0.00% | −138,529−33.1% | Reduced |
| Two Sigma Advisers, LP | 268,100 | $4.98M | 0.01% | −25,200−8.6% | Reduced |
| Two Sigma Investments, LP | 265,858 | $4.94M | 0.01% | −86,176−24.5% | Reduced |
| Opaleye Management Inc. | 250,933 | $4.66M | 1.04% | +250,933 | New |
| Assenagon Asset Management S.A. | 242,485 | $4.51M | 0.01% | −89,273−26.9% | Reduced |
| Ensign Peak Advisors, Inc | 215,454 | $4.01M | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 212,886 | $3.96M | 0.00% | −7,100−3.2% | Reduced |
| 683 Capital Management, LLC | 195,627 | $3.64M | 0.37% | +195,627 | New |
| Trexquant Investment LP | 153,563 | $2.85M | 0.03% | +92,843+152.9% | Added |
| Charles Schwab Investment Management Inc | 153,356 | $2.85M | 0.00% | −12,698−7.6% | Reduced |
| Granahan Investment Management Inc | 146,491 | $2.72M | 0.14% | +40,412+38.1% | Added |
| D. E. Shaw & Co., Inc. | 129,654 | $2.41M | 0.00% | −67,453−34.2% | Reduced |
| Exome Asset Management LLC | 116,623 | $2.17M | 1.94% | +116,623 | New |
| Soleus Capital Management, L.P. | 102,052 | $1.90M | 0.15% | −311,948−75.3% | Reduced |
| Voya Investment Management LLC | 96,972 | $1.80M | 0.00% | +96,972 | New |
| Macquarie Group Ltd | 93,732 | $1.74M | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 92,870 | $1.73M | 0.00% | +92,870 | New |
| HighMark Wealth Management LLC | 92,000 | $1.71M | 1.01% | +92,000 | New |
| Moody Aldrich Partners LLC | 83,224 | $1.55M | 0.32% | +83,224 | New |
| Wellington Management Group LLP | 76,021 | $1.41M | 0.00% | +9,554+14.4% | Added |
| Bank of New York Mellon Corp | 61,207 | $1.14M | 0.00% | +4,038+7.1% | Added |
| Fisher Asset Management, LLC | 58,878 | $1.09M | 0.00% | 00.0% | Unchanged |
| SummitTX Capital, L.P. | 57,109 | $1.06M | 0.05% | +57,109 | New |
| Barclays PLC | 56,219 | $1.05M | 0.00% | −27,348−32.7% | Reduced |
| Nuveen, LLC | 56,012 | $1.04M | 0.00% | +56,012 | New |
| UBS Oconnor LLC | 47,051 | $874.7K | 0.02% | +47,051 | New |
| PDT Partners, LLC | 44,529 | $827.8K | 0.06% | +44,529 | New |
| Susquehanna International Group, LLP | 44,337 | $824.2K | 0.00% | +27,538+163.9% | Added |
| HRT Financial LP | 43,211 | $803.0K | 0.01% | +43,211 | New |
| Manufacturers Life Insurance Company, The | 36,596 | $680.3K | 0.00% | +144+0.4% | Added |
| FMB Wealth Management | 35,592 | $661.7K | 0.37% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 34,913 | $649.0K | 0.00% | +5,434+18.4% | Added |
| DCF Advisers, LLC | 34,850 | $647.9K | 0.35% | +34,850 | New |
| Skandinaviska Enskilda Banken AB (publ) | 33,523 | $623.2K | 0.00% | +33,523 | New |
| Swiss National Bank | 32,400 | $602.3K | 0.00% | +2,700+9.1% | Added |
| Balyasny Asset Management LLC | 32,074 | $596.3K | 0.00% | +32,074 | New |
| Prelude Capital Management, LLC | 32,023 | $595.3K | 0.06% | +32,023 | New |
| Dimensional Fund Advisors LP | 31,571 | $586.9K | 0.00% | −37−0.1% | Reduced |
| Rafferty Asset Management, LLC | 31,180 | $579.6K | 0.00% | −39,703−56.0% | Reduced |
| Rhumbline Advisers | 30,903 | $574.5K | 0.00% | +826+2.7% | Added |
| Voloridge Investment Management, LLC | 30,873 | $573.9K | 0.00% | −56,640−64.7% | Reduced |
| Alliancebernstein L.P. | 30,520 | $567.4K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 30,011 | $557.9K | 0.00% | +18,165+153.3% | Added |
| Fox Run Management, L.L.C. | 27,796 | $516.7K | 0.08% | +27,796 | New |
| BNP Paribas Arbitrage, SA | 25,587 | $475.7K | 0.00% | +2,461+10.6% | Added |
| BIT Capital GmbH | 25,422 | $472.6K | 0.06% | +25,422 | New |
| Quadrature Capital Ltd | 23,508 | $437.2K | 0.01% | +23,508 | New |
| Caption Management, LLC | 23,376 | $434.6K | 0.02% | +15,834+209.9% | Added |
| Alps Advisors Inc | 23,126 | $429.9K | 0.00% | −1,478−6.0% | Reduced |
| ExodusPoint Capital Management, LP | 21,944 | $408.0K | 0.01% | +21,944 | New |
| Invesco Ltd. | 21,336 | $396.6K | 0.00% | −1,952−8.4% | Reduced |
| Legal & General Group Plc | 20,363 | $378.5K | 0.00% | +1,688+9.0% | Added |
| Millennium Management LLC | 17,807 | $331.0K | 0.00% | −128,710−87.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 16,487 | $306.5K | 0.00% | −68,894−80.7% | Reduced |
| Deutsche Bank AG | 15,796 | $293.6K | 0.00% | −2,071−11.6% | Reduced |
| Nebula Research & Development LLC | 15,505 | $288.2K | 0.03% | −1,917−11.0% | Reduced |
| Cresset Asset Management, LLC | 14,613 | $271.7K | 0.00% | +14,613 | New |
| California State Teachers Retirement System | 14,590 | $271.2K | 0.00% | 00.0% | Unchanged |
| Oxford Asset Management LLP | 14,473 | $269.1K | 0.12% | +14,473 | New |
| JPMorgan Chase & Co | 14,300 | $265.8K | 0.00% | −100,639−87.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 14,205 | $264.6K | 0.00% | −807−5.4% | Reduced |
| Brevan Howard Capital Management LP | 14,192 | $263.8K | 0.01% | +14,192 | New |
| TD Asset Management Inc | 14,000 | $260.3K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 13,283 | $246.9K | 0.00% | +13,283 | New |
| SG Americas Securities, LLC | 12,134 | $226.0K | 0.00% | −4,173−25.6% | Reduced |
| MetLife Investment Management | 11,928 | $221.7K | 0.00% | −326−2.7% | Reduced |
| Wells Fargo & Company | 11,377 | $211.5K | 0.00% | +257+2.3% | Added |
| Virtus Investment Advisers, Inc. | 10,926 | $203.1K | 0.06% | +10,926 | New |
| Algert Global LLC | 10,870 | $202.1K | 0.00% | +10,870 | New |
| OneAscent Financial Services LLC | 10,889 | $202.0K | 0.01% | +10,889 | New |
| Corton Capital Inc. | 10,699 | $198.9K | 0.66% | +10,699 | New |
| Corebridge Financial, Inc. | 10,590 | $196.9K | 0.00% | −157−1.5% | Reduced |
| Glenmede Trust Co NA | 10,376 | $192.9K | 0.00% | +10,376 | New |
| Tudor Investment Corp Et Al | 10,194 | $189.5K | 0.00% | −168−1.6% | Reduced |
| Scotia Capital Inc. | 10,082 | $187.4K | 0.00% | +10,082 | New |