Institutional Ownership
Anaptysbio Inc
CUSIP 032724106COMANABQ1 2026
13D / 13G Filings
68
Schedule 13D/13G on record
Beneficial Filers
25
Distinct reporting persons
Largest Stake
27.5%
Max % of class reported
Institutional Holders
199
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
68 filings · latest Feb 11, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 11, 2026 | Morgan Stanley | 13G/A | 3.6% | 1.01M | SEC |
| 2 | Jan 16, 2026 | Millennium Management LLC | 13G/A | 11.0% | 813.6K | SEC |
| 3 | Nov 14, 2025 | First Light Asset Management, LLC | 13G/A | 3.1% | 864.6K | SEC |
| 4 | Nov 12, 2025 | The Goldman Sachs Group, Inc. | 13G/A | 11.0% | 1.25M | SEC |
| 5 | Sep 23, 2025 | Millennium Management LLC | 13G | 11.0% | 1.43M | SEC |
| 6 | Aug 7, 2025 | First Light Asset Management, LLC | 13G/A | 7.7% | 2.27M | SEC |
| 7 | Aug 5, 2025 | Morgan Stanley | 13G | 6.3% | 1.85M | SEC |
| 8 | Jul 29, 2025 | The Vanguard Group | 13G | 5.2% | 1.54M | SEC |
| 9 | Jun 6, 2025 | Fmr LLC | 13G/A | 0.9% | 254.2K | SEC |
| 10 | May 15, 2025 | Point72 Asset Management, L.P. | 13G/A | 7.7% | 2.37M | SEC |
58 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Anaptysbio Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Ecor1 Capital, LLC | 7.88M | $437.03M |
| 2 | Blackrock, Inc. | 1.68M | $93.25M |
| 3 | Tang Capital Management LLC | 1.33M | $73.81M |
| 4 | Morgan Stanley | 993.9K | $55.12M |
| 5 | State Street Corp | 992.4K | $55.04M |
| 6 | Affinity Asset Advisors, LLC | 940.0K | $52.13M |
| 7 | Palo Alto Investors LP | 638.2K | $35.39M |
| 8 | 683 Capital Management, LLC | 625.0K | $34.66M |
| 9 | D. E. Shaw & Co., Inc. | 579.3K | $32.13M |
| 10 | First Light Asset Management, LLC | 565.4K | $31.36M |