Institutional Ownership
Alumis Inc
CUSIP 022307102COMALMSQ1 2026
13D / 13G Filings
12
Schedule 13D/13G on record
Beneficial Filers
5
Distinct reporting persons
Largest Stake
32.2%
Max % of class reported
Institutional Holders
189
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
12 filings · latest Jan 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Jan 13, 2026 | Samsara Biocapital, L.P. | 13D/A | 5.4% | — | SEC |
| 2 | Jan 12, 2026 | Foresite Capital Fund Vi LP | 13D/A | 14.1% | — | SEC |
| 3 | Nov 24, 2025 | Samsara Biocapital, L.P. | 13D | 5.3% | — | SEC |
| 4 | Nov 17, 2025 | Samsara Biocapital, L.P. | 13D/A | 4.9% | — | SEC |
| 5 | Nov 17, 2025 | Venbio Global Strategic Fund IV, L.P. | 13G/A | 4.8% | 3.02T | SEC |
| 6 | Jun 10, 2025 | Foresite Capital Fund Vi, L.P. | 13D/A | 15.9% | — | SEC |
| 7 | May 23, 2025 | Samsara Biocapital, L.P. | 13D/A | 5.0% | — | SEC |
| 8 | May 23, 2025 | Ayurmaya Capital Management Company, LP | 13D/A | 15.8% | — | SEC |
| 9 | May 7, 2025 | Foresite Capital Fund Vi, L.P. | 13D/A | 32.2% | — | SEC |
| 10 | Feb 10, 2025 | Ayurmaya Capital Management Company, LP | 13D/A | 22.5% | — | SEC |
2 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Alumis Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 7.17M | $157.97M |
| 2 | Deep Track Capital, LP | 6.77M | $149.20M |
| 3 | Samsara Biocapital, LLC | 6.35M | $139.79M |
| 4 | Foresite Capital Management V, LLC | 5.90M | $129.91M |
| 5 | Venbio Partners LLC | 4.53M | $99.76M |
| 6 | Foresite Capital Management Vi LLC | 4.25M | $93.58M |
| 7 | Cormorant Asset Management, LP | 3.95M | $87.00M |
| 8 | Nextech Invest, Ltd. | 3.54M | $78.01M |
| 9 | Saturn V Capital Management LP | 3.20M | $70.54M |
| 10 | Ubs Group AG | 3.05M | $67.30M |