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 2024
Institutional positions in Anaptysbio, Inc as of Mar 31, 2024. 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
- 133
- +14 vs. Q4 2023
- Shares held
- 29.2M
- −958.0K (−3.2%) vs. Q4 2023
- Total value
- $658.1M
- +$11.6M (+1.8%) vs. Q4 2023
- New holders
- 26
- 41 more added
- Sold out
- 12
- 40 more reduced
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Anaptysbio, Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 140,746 | $3.17M | 0.00% | −61,965−30.6% | Reduced |
| Charles Schwab Investment Management Inc | 146,271 | $3.29M | 0.00% | +1,451+1.0% | Added |
| Goldman Sachs Group Inc | 150,431 | $3.39M | 0.00% | +10,930+7.8% | Added |
| Octagon Capital Advisors LP | 165,000 | $3.72M | 0.45% | +45,000+37.5% | Added |
| Price T Rowe Associates Inc | 171,689 | $3.87M | 0.00% | −60,065−25.9% | Reduced |
| D. E. Shaw & Co., Inc. | 186,804 | $4.21M | 0.01% | +26,478+16.5% | Added |
| Northern Trust Corp | 201,149 | $4.53M | 0.00% | −5,999−2.9% | Reduced |
| Assenagon Asset Management S.A. | 221,838 | $5.00M | 0.01% | 00.0% | Unchanged |
| StemPoint Capital LP | 269,548 | $6.07M | 1.62% | +224,548+499.0% | Added |
| Citadel Advisors LLC | 324,745 | $7.31M | 0.01% | +209,772+182.5% | Added |
| Blackstone Group Inc. | 328,720 | $7.40M | 0.03% | 00.0% | Unchanged |
| 5AM Venture Management, LLC | 357,733 | $8.06M | 1.80% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 421,703 | $9.50M | 0.00% | +1,598+0.4% | Added |
| Eventide Asset Management, LLC | 427,000 | $9.62M | 0.15% | 00.0% | Unchanged |
| Franklin Resources Inc | 465,373 | $10.5M | 0.00% | +60,258+14.9% | Added |
| Dimensional Fund Advisors LP | 469,860 | $10.6M | 0.00% | −128,032−21.4% | Reduced |
| Woodline Partners LP | 508,839 | $11.5M | 0.11% | −686,135−57.4% | Reduced |
| Deep Track Capital, LP | 529,452 | $11.9M | 0.34% | −1,507,538−74.0% | Reduced |
| Saturn V Capital Management LLC | 586,031 | $13.2M | 5.29% | −78,245−11.8% | Reduced |
| Morgan Stanley | 636,114 | $14.3M | 0.00% | +34,082+5.7% | Added |
| Millennium Management LLC | 647,125 | $14.6M | 0.01% | +240,094+59.0% | Added |
| Mangrove Partners | 689,521 | $15.5M | 1.34% | +689,521 | New |
| Palo Alto Investors LP | 799,906 | $18.0M | 2.03% | +113,024+16.5% | Added |
| Point72 Asset Management, L.P. | 864,100 | $19.5M | 0.06% | +75,555+9.6% | Added |
| Frazier Life Sciences Management, L.P. | 899,700 | $20.3M | 0.85% | 00.0% | Unchanged |
| First Light Asset Management, LLC | 944,110 | $21.3M | 1.63% | −293,068−23.7% | Reduced |
| Great Point Partners LLC | 976,981 | $22.0M | 3.43% | 00.0% | Unchanged |
| State Street Corp | 1,207,404 | $27.2M | 0.00% | +763,057+171.7% | Added |
| Boxer Capital, LLC | 1,300,000 | $29.3M | 1.45% | 00.0% | Unchanged |
| Tang Capital Management LLC | 1,330,879 | $30.0M | 3.12% | −619,730−31.8% | Reduced |
| Vanguard Group Inc | 1,354,003 | $30.5M | 0.00% | −26,112−1.9% | Reduced |
| BlackRock Inc. | 1,720,051 | $38.7M | 0.00% | −79,772−4.4% | Reduced |
| EcoR1 Capital, LLC | 7,521,024 | $169.4M | 4.31% | 00.0% | Unchanged |
| Suvretta Capital Management, LLC | 0 | $0 | 0.00% | −354,872−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −75,633−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −33,357−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −24,672−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −19,191−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −17,004−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −11,012−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −9,939−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −9,673−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −5,875−100.0% | Sold out |
| Glassman Wealth Services | 0 | $0 | 0.00% | −134−100.0% | Sold out |
| Gradient Investments LLC | 0 | $0 | 0.00% | −23−100.0% | Sold out |