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, Q3 2025
Institutional positions in Anaptysbio, Inc as of Sep 30, 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
- 166
- +19 vs. Q2 2025
- Shares held
- 31.7M
- −4.97M (−13.6%) vs. Q2 2025
- Total value
- $980.2M
- +$166.8M (+20.5%) vs. Q2 2025
- New holders
- 34
- 44 more added
- Sold out
- 15
- 59 more reduced
1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Anaptysbio, Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| EcoR1 Capital, LLC | 7,880,094 | $241.3M | 11.60% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 2,265,528 | $69.4M | 0.15% | −209,346−8.5% | Reduced |
| BlackRock, Inc. | 1,722,324 | $52.7M | 0.00% | −64,610−3.6% | Reduced |
| Morgan Stanley | 1,556,258 | $47.7M | 0.00% | −313,582−16.8% | Reduced |
| Millennium Management LLC | 1,519,230 | $46.5M | 0.04% | +1,315,688+646.4% | Added |
| Vanguard Group Inc | 1,476,989 | $45.2M | 0.00% | −60,561−3.9% | Reduced |
| Tang Capital Management LLC | 1,333,639 | $40.8M | 1.57% | +2,760+0.2% | Added |
| First Light Asset Management, LLC | 990,161 | $30.3M | 2.86% | −2,549,432−72.0% | Reduced |
| State Street Corp | 873,432 | $26.7M | 0.00% | +52,401+6.4% | Added |
| Assenagon Asset Management S.A. | 839,934 | $25.7M | 0.04% | +822,975+4,852.7% | Added |
| Sanofi | 821,917 | $25.2M | 9.67% | 00.0% | Unchanged |
| Palo Alto Investors LP | 673,520 | $20.6M | 3.82% | −139,301−17.1% | Reduced |
| Soleus Capital Management, L.P. | 626,040 | $19.2M | 1.02% | +305,000+95.0% | Added |
| 683 Capital Management, LLC | 547,000 | $16.7M | 1.52% | +47,000+9.4% | Added |
| Woodline Partners LP | 501,023 | $15.3M | 0.07% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 473,626 | $14.5M | 0.00% | +10,268+2.2% | Added |
| Franklin Resources Inc | 47,332 | $11.6M | 0.00% | −307,176−86.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 378,452 | $11.6M | 0.05% | +10,005+2.7% | Added |
| Two Sigma Advisers, LP | 373,700 | $11.4M | 0.02% | +83,300+28.7% | Added |
| Arrowstreet Capital, Limited Partnership | 370,458 | $11.3M | 0.01% | +219,648+145.6% | Added |
| D. E. Shaw & Co., Inc. | 349,360 | $10.7M | 0.01% | +237,011+211.0% | Added |
| Nuveen, LLC | 339,271 | $10.4M | 0.00% | +15,737+4.9% | Added |
| Goldman Sachs Group Inc | 329,820 | $10.1M | 0.00% | +49,985+17.9% | Added |
| Price T Rowe Associates Inc | 299,311 | $9.17M | 0.00% | −373,860−55.5% | Reduced |
| Two Sigma Investments, LP | 256,420 | $7.85M | 0.01% | +25,051+10.8% | Added |
| Sofinnova Investments, Inc. | 254,268 | $7.79M | 0.48% | −778,094−75.4% | Reduced |
| Ensign Peak Advisors, Inc | 215,454 | $6.60M | 0.01% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 206,441 | $6.32M | 0.00% | +49,306+31.4% | Added |
| Victory Capital Management Inc | 204,055 | $6.25M | 0.00% | −328,030−61.6% | Reduced |
| Northern Trust Corp | 195,563 | $5.99M | 0.00% | −700−0.4% | Reduced |
| Sectoral Asset Management Inc | 194,485 | $5.96M | 3.68% | +110,585+131.8% | Added |
| Federated Hermes, Inc. | 193,327 | $5.92M | 0.01% | +185,053+2,236.6% | Added |
| Jane Street Group, LLC | 181,112 | $5.55M | 0.01% | +136,444+305.5% | Added |
| Granahan Investment Management Inc | 147,773 | $4.52M | 0.19% | +16,118+12.2% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 145,191 | $4.45M | 0.02% | +111,668+333.1% | Added |
| Susquehanna International Group, LLP | 144,604 | $4.43M | 0.01% | −44,723−23.6% | Reduced |
| HighMark Wealth Management LLC | 135,050 | $4.42M | 1.95% | −10,500−7.2% | Reduced |
| Bank of America Corp | 127,241 | $3.90M | 0.00% | −949,558−88.2% | Reduced |
| Renaissance Technologies LLC | 123,300 | $3.78M | 0.00% | −139,786−53.1% | Reduced |
| Trexquant Investment LP | 111,778 | $3.42M | 0.04% | −87,464−43.9% | Reduced |
| BNP Paribas Arbitrage, SA | 105,663 | $3.24M | 0.00% | +101,964+2,756.5% | Added |
| Macquarie Group Ltd | 93,732 | $2.87M | 0.00% | 00.0% | Unchanged |
| Algert Global LLC | 83,767 | $2.56M | 0.04% | +83,767 | New |
| Jump Financial, LLC | 82,077 | $2.51M | 0.03% | +82,077 | New |
| UBS Group AG | 75,262 | $2.30M | 0.00% | −1,197,237−94.1% | Reduced |
| Citigroup Inc | 70,534 | $2.16M | 0.00% | −975,954−93.3% | Reduced |
| Squarepoint Ops LLC | 68,014 | $2.08M | 0.00% | −41,374−37.8% | Reduced |
| Wellington Management Group LLP | 66,731 | $2.04M | 0.00% | −13,482−16.8% | Reduced |
| Panagora Asset Management Inc | 63,857 | $1.96M | 0.01% | +30,488+91.4% | Added |
| Barclays PLC | 63,452 | $1.94M | 0.00% | −36,547−36.5% | Reduced |
| Fisher Asset Management, LLC | 58,878 | $1.80M | 0.00% | −210.0% | Reduced |
| Bank of New York Mellon Corp | 57,030 | $1.75M | 0.00% | −2,195−3.7% | Reduced |
| Walleye Capital LLC | 56,422 | $1.73M | 0.01% | +56,422 | New |
| Marshall Wace, LLP | 54,416 | $1.67M | 0.00% | +54,416 | New |
| FMR LLC | 53,162 | $1.63M | 0.00% | −18,957−26.3% | Reduced |
| Moody Aldrich Partners LLC | 49,882 | $1.53M | 0.29% | −10,212−17.0% | Reduced |
| Ikarian Capital, LLC | 48,410 | $1.48M | 0.34% | +32,748+209.1% | Added |
| DCF Advisers, LLC | 48,000 | $1.47M | 0.56% | 00.0% | Unchanged |
| PDT Partners, LLC | 43,001 | $1.32M | 0.08% | −1,464−3.3% | Reduced |
| Invesco Ltd. | 42,381 | $1.30M | 0.00% | −40,793−49.0% | Reduced |
| Bleakley Financial Group, LLC | 39,981 | $1.22M | 0.03% | +2,430+6.5% | Added |
| Gsa Capital Partners LLP | 37,274 | $1.14M | 0.10% | −32,525−46.6% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 35,448 | $1.09M | 0.02% | +2,645+8.1% | Added |
| Russell Investments Group, Ltd. | 34,032 | $1.04M | 0.00% | +10,241+43.0% | Added |
| UBS Asset Management Americas Inc | 33,271 | $1.02M | 0.00% | −16,534−33.2% | Reduced |
| Aquatic Capital Management LLC | 31,298 | $958.3K | 0.02% | −34,512−52.4% | Reduced |
| Alliancebernstein L.P. | 30,520 | $934.5K | 0.00% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 30,085 | $921.2K | 0.00% | +3,256+12.1% | Added |
| Rhumbline Advisers | 29,244 | $895.4K | 0.00% | −1,461−4.8% | Reduced |
| Engineers Gate Manager LP | 29,137 | $892.2K | 0.01% | +4,392+17.7% | Added |
| Swiss National Bank | 28,400 | $869.6K | 0.00% | +2,000+7.6% | Added |
| Boothbay Fund Management, LLC | 27,402 | $839.0K | 0.02% | +27,402 | New |
| ExodusPoint Capital Management, LP | 26,500 | $811.4K | 0.01% | +2,744+11.6% | Added |
| Citadel Advisors LLC | 26,480 | $810.8K | 0.00% | −91,806−77.6% | Reduced |
| AQR Capital Management LLC | 26,174 | $801.4K | 0.00% | −1,548−5.6% | Reduced |
| Brevan Howard Capital Management LP | 25,299 | $774.7K | 0.01% | +2,346+10.2% | Added |
| HRT Financial LP | 25,025 | $766.0K | 0.00% | +25,025 | New |
| Legal & General Group Plc | 19,504 | $597.2K | 0.00% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 18,281 | $559.8K | 0.04% | +18,281 | New |
| XTX Topco Ltd | 18,111 | $554.6K | 0.03% | −12,531−40.9% | Reduced |
| Creative Planning | 16,707 | $511.6K | 0.00% | −147−0.9% | Reduced |
| Cresset Asset Management, LLC | 15,753 | $482.4K | 0.00% | +2,720+20.9% | Added |
| Virtu Financial LLC | 15,531 | $476.0K | 0.03% | +15,531 | New |
| Graham Capital Management, L.P. | 15,320 | $469.1K | 0.02% | +15,320 | New |
| SEI Investments Co | 14,921 | $456.9K | 0.00% | +14,921 | New |
| Los Angeles Capital Management LLC | 14,876 | $455.5K | 0.00% | −151−1.0% | Reduced |
| JPMorgan Chase & Co | 14,852 | $454.8K | 0.00% | −232,773−94.0% | Reduced |
| California State Teachers Retirement System | 14,215 | $435.3K | 0.00% | −20.0% | Reduced |
| Tudor Investment Corp Et Al | 13,869 | $424.7K | 0.00% | +4,450+47.2% | Added |
| Wells Fargo & Company | 13,743 | $420.8K | 0.00% | −19,585−58.8% | Reduced |
| Brinker Capital Investments, LLC | 13,739 | $420.7K | 0.00% | +13,739 | New |
| Alps Advisors Inc | 13,335 | $408.3K | 0.00% | −2,528−15.9% | Reduced |
| Voya Investment Management LLC | 12,961 | $396.9K | 0.00% | −60,044−82.2% | Reduced |
| Man Group plc | 12,859 | $393.7K | 0.00% | +12,859 | New |
| Deutsche Bank AG | 12,681 | $388.3K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 11,928 | $365.2K | 0.00% | +11,928 | New |
| NEOS Investment Management LLC | 10,975 | $336.1K | 0.00% | −429−3.8% | Reduced |
| Tema ETFs LLC | 10,975 | $336.1K | 0.03% | −429−3.8% | Reduced |
| New York State Common Retirement Fund | 10,586 | $324.1K | 0.00% | +2,662+33.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 10,667 | $315.2K | 0.00% | +10,667 | New |