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 |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 44,337 | $824.2K | 0.00% | +27,538+163.9% | Added |
| PDT Partners, LLC | 44,529 | $827.8K | 0.06% | +44,529 | New |
| UBS Oconnor LLC | 47,051 | $874.7K | 0.02% | +47,051 | New |
| Nuveen, LLC | 56,012 | $1.04M | 0.00% | +56,012 | New |
| Barclays PLC | 56,219 | $1.05M | 0.00% | −27,348−32.7% | Reduced |
| SummitTX Capital, L.P. | 57,109 | $1.06M | 0.05% | +57,109 | New |
| Fisher Asset Management, LLC | 58,878 | $1.09M | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 61,207 | $1.14M | 0.00% | +4,038+7.1% | Added |
| Wellington Management Group LLP | 76,021 | $1.41M | 0.00% | +9,554+14.4% | Added |
| Moody Aldrich Partners LLC | 83,224 | $1.55M | 0.32% | +83,224 | New |
| HighMark Wealth Management LLC | 92,000 | $1.71M | 1.01% | +92,000 | New |
| Marshall Wace, LLP | 92,870 | $1.73M | 0.00% | +92,870 | New |
| Macquarie Group Ltd | 93,732 | $1.74M | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 96,972 | $1.80M | 0.00% | +96,972 | New |
| Soleus Capital Management, L.P. | 102,052 | $1.90M | 0.15% | −311,948−75.3% | Reduced |
| Exome Asset Management LLC | 116,623 | $2.17M | 1.94% | +116,623 | New |
| D. E. Shaw & Co., Inc. | 129,654 | $2.41M | 0.00% | −67,453−34.2% | Reduced |
| Granahan Investment Management Inc | 146,491 | $2.72M | 0.14% | +40,412+38.1% | Added |
| Charles Schwab Investment Management Inc | 153,356 | $2.85M | 0.00% | −12,698−7.6% | Reduced |
| Trexquant Investment LP | 153,563 | $2.85M | 0.03% | +92,843+152.9% | Added |
| 683 Capital Management, LLC | 195,627 | $3.64M | 0.37% | +195,627 | New |
| Northern Trust Corp | 212,886 | $3.96M | 0.00% | −7,100−3.2% | Reduced |
| Ensign Peak Advisors, Inc | 215,454 | $4.01M | 0.01% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 242,485 | $4.51M | 0.01% | −89,273−26.9% | Reduced |
| Opaleye Management Inc. | 250,933 | $4.66M | 1.04% | +250,933 | New |
| Two Sigma Investments, LP | 265,858 | $4.94M | 0.01% | −86,176−24.5% | Reduced |
| Two Sigma Advisers, LP | 268,100 | $4.98M | 0.01% | −25,200−8.6% | Reduced |
| Goldman Sachs Group Inc | 280,577 | $5.22M | 0.00% | −138,529−33.1% | Reduced |
| Renaissance Technologies LLC | 338,700 | $6.30M | 0.01% | +145,500+75.3% | Added |
| Franklin Resources Inc | 354,391 | $6.59M | 0.00% | +210.0% | Added |
| 5AM Venture Management, LLC | 357,733 | $6.65M | 2.52% | 00.0% | Unchanged |
| Citadel Advisors LLC | 372,569 | $6.93M | 0.01% | +198,842+114.5% | Added |
| Victory Capital Management Inc | 406,430 | $7.56M | 0.01% | +71,980+21.5% | Added |
| UBS Group AG | 490,273 | $9.11M | 0.00% | +453,667+1,239.3% | Added |
| Geode Capital Management, LLC | 491,167 | $9.13M | 0.00% | +4,570+0.9% | Added |
| Morgan Stanley | 504,636 | $9.38M | 0.00% | +288,719+133.7% | Added |
| Camber Capital Management LP | 750,000 | $13.9M | 0.87% | −500,000−40.0% | Reduced |
| Woodline Partners LP | 791,023 | $14.7M | 0.10% | +305,950+63.1% | Added |
| Sanofi | 821,917 | $15.3M | 9.21% | 00.0% | Unchanged |
| State Street Corp | 860,723 | $16.0M | 0.00% | −425,032−33.1% | Reduced |
| Price T Rowe Associates Inc | 915,081 | $17.0M | 0.00% | −9,926−1.1% | Reduced |
| Palo Alto Investors LP | 1,020,713 | $19.0M | 3.61% | +176,742+20.9% | Added |
| Citigroup Inc | 1,071,247 | $19.9M | 0.02% | +1,017,470+1,892.0% | Added |
| Bank of America Corp | 1,143,959 | $21.3M | 0.00% | +1,126,010+6,273.4% | Added |
| Sofinnova Investments, Inc. | 1,160,033 | $21.6M | 1.63% | +1,027,106+772.7% | Added |
| Boxer Capital Management, LLC | 1,300,000 | $24.2M | 7.27% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,517,325 | $28.2M | 0.00% | −326,415−17.7% | Reduced |
| Tang Capital Management LLC | 1,545,153 | $28.7M | 1.59% | +214,274+16.1% | Added |
| FMR LLC | 1,905,154 | $35.4M | 0.00% | −1,125,082−37.1% | Reduced |
| BlackRock, Inc. | 2,176,598 | $40.5M | 0.00% | −371,870−14.6% | Reduced |
| Point72 Asset Management, L.P. | 2,368,370 | $44.0M | 0.12% | +2,368,370 | New |
| First Light Asset Management, LLC | 4,633,602 | $86.1M | 9.84% | +3,764,720+433.3% | Added |
| EcoR1 Capital, LLC | 7,880,094 | $146.5M | 8.71% | +6,646+0.1% | Added |
| Fairmount Funds Management LLC | 0 | $0 | 0.00% | −1,816,466−100.0% | Sold out |
| Frazier Life Sciences Management, L.P. | 0 | $0 | 0.00% | −1,573,719−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −269,131−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −140,722−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −125,070−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −80,870−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −44,785−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −44,613−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −40,013−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −28,995−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −28,129−100.0% | Sold out |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −27,301−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −26,677−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −23,497−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −19,011−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −18,954−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −18,326−100.0% | Sold out |
| Profund Advisors LLC | 0 | $0 | 0.00% | −13,496−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −12,700−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −12,134−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −5,698−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −4,733−100.0% | Sold out |
| Asset Dedication, LLC | 0 | $0 | 0.00% | −190−100.0% | Sold out |
| Mather Group, LLC. | 0 | $0 | 0.00% | −130−100.0% | Sold out |
| WealthCollab, LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | 0 | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |