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 |
|---|---|---|---|---|---|
| Aquatic Capital Management LLC | 31,298 | $958.3K | 0.02% | −34,512−52.4% | Reduced |
| UBS Asset Management Americas Inc | 33,271 | $1.02M | 0.00% | −16,534−33.2% | Reduced |
| Russell Investments Group, Ltd. | 34,032 | $1.04M | 0.00% | +10,241+43.0% | Added |
| Susquehanna Portfolio Strategies, LLC | 35,448 | $1.09M | 0.02% | +2,645+8.1% | Added |
| Gsa Capital Partners LLP | 37,274 | $1.14M | 0.10% | −32,525−46.6% | Reduced |
| Bleakley Financial Group, LLC | 39,981 | $1.22M | 0.03% | +2,430+6.5% | Added |
| Invesco Ltd. | 42,381 | $1.30M | 0.00% | −40,793−49.0% | Reduced |
| PDT Partners, LLC | 43,001 | $1.32M | 0.08% | −1,464−3.3% | Reduced |
| DCF Advisers, LLC | 48,000 | $1.47M | 0.56% | 00.0% | Unchanged |
| Ikarian Capital, LLC | 48,410 | $1.48M | 0.34% | +32,748+209.1% | Added |
| Moody Aldrich Partners LLC | 49,882 | $1.53M | 0.29% | −10,212−17.0% | Reduced |
| FMR LLC | 53,162 | $1.63M | 0.00% | −18,957−26.3% | Reduced |
| Marshall Wace, LLP | 54,416 | $1.67M | 0.00% | +54,416 | New |
| Walleye Capital LLC | 56,422 | $1.73M | 0.01% | +56,422 | New |
| Bank of New York Mellon Corp | 57,030 | $1.75M | 0.00% | −2,195−3.7% | Reduced |
| Fisher Asset Management, LLC | 58,878 | $1.80M | 0.00% | −210.0% | Reduced |
| Barclays PLC | 63,452 | $1.94M | 0.00% | −36,547−36.5% | Reduced |
| Panagora Asset Management Inc | 63,857 | $1.96M | 0.01% | +30,488+91.4% | Added |
| Wellington Management Group LLP | 66,731 | $2.04M | 0.00% | −13,482−16.8% | Reduced |
| Squarepoint Ops LLC | 68,014 | $2.08M | 0.00% | −41,374−37.8% | Reduced |
| Citigroup Inc | 70,534 | $2.16M | 0.00% | −975,954−93.3% | Reduced |
| UBS Group AG | 75,262 | $2.30M | 0.00% | −1,197,237−94.1% | Reduced |
| Jump Financial, LLC | 82,077 | $2.51M | 0.03% | +82,077 | New |
| Algert Global LLC | 83,767 | $2.56M | 0.04% | +83,767 | New |
| Macquarie Group Ltd | 93,732 | $2.87M | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 105,663 | $3.24M | 0.00% | +101,964+2,756.5% | Added |
| Trexquant Investment LP | 111,778 | $3.42M | 0.04% | −87,464−43.9% | Reduced |
| Renaissance Technologies LLC | 123,300 | $3.78M | 0.00% | −139,786−53.1% | Reduced |
| Bank of America Corp | 127,241 | $3.90M | 0.00% | −949,558−88.2% | Reduced |
| HighMark Wealth Management LLC | 135,050 | $4.42M | 1.95% | −10,500−7.2% | Reduced |
| Susquehanna International Group, LLP | 144,604 | $4.43M | 0.01% | −44,723−23.6% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 145,191 | $4.45M | 0.02% | +111,668+333.1% | Added |
| Granahan Investment Management Inc | 147,773 | $4.52M | 0.19% | +16,118+12.2% | Added |
| Jane Street Group, LLC | 181,112 | $5.55M | 0.01% | +136,444+305.5% | Added |
| Federated Hermes, Inc. | 193,327 | $5.92M | 0.01% | +185,053+2,236.6% | Added |
| Sectoral Asset Management Inc | 194,485 | $5.96M | 3.68% | +110,585+131.8% | Added |
| Northern Trust Corp | 195,563 | $5.99M | 0.00% | −700−0.4% | Reduced |
| Victory Capital Management Inc | 204,055 | $6.25M | 0.00% | −328,030−61.6% | Reduced |
| Charles Schwab Investment Management Inc | 206,441 | $6.32M | 0.00% | +49,306+31.4% | Added |
| Ensign Peak Advisors, Inc | 215,454 | $6.60M | 0.01% | 00.0% | Unchanged |
| Sofinnova Investments, Inc. | 254,268 | $7.79M | 0.48% | −778,094−75.4% | Reduced |
| Two Sigma Investments, LP | 256,420 | $7.85M | 0.01% | +25,051+10.8% | Added |
| Price T Rowe Associates Inc | 299,311 | $9.17M | 0.00% | −373,860−55.5% | Reduced |
| Goldman Sachs Group Inc | 329,820 | $10.1M | 0.00% | +49,985+17.9% | Added |
| Nuveen, LLC | 339,271 | $10.4M | 0.00% | +15,737+4.9% | Added |
| D. E. Shaw & Co., Inc. | 349,360 | $10.7M | 0.01% | +237,011+211.0% | Added |
| Arrowstreet Capital, Limited Partnership | 370,458 | $11.3M | 0.01% | +219,648+145.6% | Added |
| Two Sigma Advisers, LP | 373,700 | $11.4M | 0.02% | +83,300+28.7% | Added |
| Jacobs Levy Equity Management, Inc | 378,452 | $11.6M | 0.05% | +10,005+2.7% | Added |
| Franklin Resources Inc | 47,332 | $11.6M | 0.00% | −307,176−86.6% | Reduced |
| Geode Capital Management, LLC | 473,626 | $14.5M | 0.00% | +10,268+2.2% | Added |
| Woodline Partners LP | 501,023 | $15.3M | 0.07% | 00.0% | Unchanged |
| 683 Capital Management, LLC | 547,000 | $16.7M | 1.52% | +47,000+9.4% | Added |
| Soleus Capital Management, L.P. | 626,040 | $19.2M | 1.02% | +305,000+95.0% | Added |
| Palo Alto Investors LP | 673,520 | $20.6M | 3.82% | −139,301−17.1% | Reduced |
| Sanofi | 821,917 | $25.2M | 9.67% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 839,934 | $25.7M | 0.04% | +822,975+4,852.7% | Added |
| State Street Corp | 873,432 | $26.7M | 0.00% | +52,401+6.4% | Added |
| First Light Asset Management, LLC | 990,161 | $30.3M | 2.86% | −2,549,432−72.0% | Reduced |
| Tang Capital Management LLC | 1,333,639 | $40.8M | 1.57% | +2,760+0.2% | Added |
| Vanguard Group Inc | 1,476,989 | $45.2M | 0.00% | −60,561−3.9% | Reduced |
| Millennium Management LLC | 1,519,230 | $46.5M | 0.04% | +1,315,688+646.4% | Added |
| Morgan Stanley | 1,556,258 | $47.7M | 0.00% | −313,582−16.8% | Reduced |
| BlackRock, Inc. | 1,722,324 | $52.7M | 0.00% | −64,610−3.6% | Reduced |
| Point72 Asset Management, L.P. | 2,265,528 | $69.4M | 0.15% | −209,346−8.5% | Reduced |
| EcoR1 Capital, LLC | 7,880,094 | $241.3M | 11.60% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −92,852−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −38,528−100.0% | Sold out |
| FMB Wealth Management | 0 | $0 | 0.00% | −35,592−100.0% | Sold out |
| SummitTX Capital, L.P. | 0 | $0 | 0.00% | −33,434−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −15,533−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −15,200−100.0% | Sold out |
| Exome Asset Management LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −12,004−100.0% | Sold out |
| Glenmede Investment Management, LP | 0 | $0 | 0.00% | −7,546−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −4,921−100.0% | Sold out |
| BIT Capital GmbH | 0 | $0 | 0.00% | −2,706−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −1,082−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Sherman Asset Management, Inc. | 0 | $0 | 0.00% | −120−100.0% | Sold out |
| Riggs Asset Managment Co. Inc. | 0 | $0 | 0.00% | −69−100.0% | Sold out |
| Camber Capital Management LP | – | – | – | – | Not filed |