Alumis Inc (ALMS)
Who owns Alumis Inc (ALMS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 69.5% of the shares are freely tradable; institutional investors hold 99.9%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 5.62 | 7,170,868 | +57.0 | 03/31/2026 |
| Deep Track Capital, LP | 5.31 | 6,772,595 | +0.0 | 03/31/2026 |
| Samsara BioCapital, LLC | 4.98 | 6,345,219 | +10.2 | 03/31/2026 |
| Foresite Capital Management V, LLC | 4.63 | 5,896,995 | +2.0 | 03/31/2026 |
| venBio Partners LLC | 3.55 | 4,528,408 | -2.0 | 03/31/2026 |
| Foresite Capital Management VI LLC | 3.33 | 4,247,670 | +0.0 | 03/31/2026 |
| Vanguard Group Inc | 3.22 | 4,103,290 | +1.8 | 12/31/2025 |
| Vanguard Capital Management, LLC | 3.16 | 4,032,266 | +0.0 | 03/31/2026 |
| Cormorant Asset Management, LLC | 3.10 | 3,949,241 | +8.6 | 03/31/2026 |
| T. Rowe Price Associates, Inc. | 2.58 | 3,286,753 | +6,418.5 | 03/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 6. Jul 2026 | Pangali Sanam | Chief Legal Officer | Sell | 5,000 | 28.00 | 140,000 |
| 6. Jul 2026 | Pangali Sanam | Chief Legal Officer | Other | 5,000 | 5.06 | 25,300 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.