Companies / Alumis Inc.
Alumis Inc.
Nasdaq: ALMSCIK 1847367SOUTH SAN FRANCISCO, CA
Financials · FY2025
Ownership
127.5M shares outstanding · as of May 5, 2026
Ownership
Share classes
| Common Stock | 96.82% | |
| Common Stock | 3.18% |
| Insiders | 3.74% | 4,761,820 |
| 10%+ / strategic | 4.56% | 5,816,664 |
| Institutions | 68.45% | 87,267,272 |
| Public float | 23.25% | 29,646,224 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 20
View all →| Insider | % of shares | Shares |
|---|---|---|
Foresite Capital Management VI LLC10% owner | 2.28% | 2,908,332 |
Foresite Labs, LLC10% owner | 2.28% | 2,908,332 |
Tananbaum James B.Director · 10% owner | 2.28% | 2,908,332 |
Akkaraju SrinivasDirector | 1.45% | 1,853,488 |
Goldstein David MChief Scientific Officer | 0.00% | 0 |
Babler MartinCEOPresident, CEO and Chairman · Director | — | — |
Bradley Mark ChristopherChief Development Officer | — | — |
Drappa JornChief Medical Officer | — | — |
Foresite Capital Fund VI LP10% owner | — | — |
Foresite Capital Fund V, L.P.10% owner | — | — |
Institutional holders 154
View all →| Holder | Value | % of shares |
|---|---|---|
| $231.26M | 6.45% | |
| $147.76M | 11.88% | |
| $61.55M | 1.72% | |
| $56.41M | 4.53% | |
| $56.19M | 4.52% | |
| $46.79M | 1.67% | |
| $45.09M | 3.62% | |
| $44.34M | 1.58% | |
| $42.27M | 1.50% | |
| $41.46M | 3.33% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common Stock | $102.76M | +3.7M +79.97% | 8,218,151 6.45% of shares | high |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | New | Common Stock | $46.79M | +2.1M | 2,124,408 1.67% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common Stock | $26.11M | +928K +73.67% | 2,187,266 1.72% of shares | medium |
| Q1 2026 as of | Weiss Asset Management LP 13F manager | New | Common Stock | $24.18M | +1.1M | 1,097,417 0.86% of shares | medium |
| Q1 2026 as of | Principal Financial Group Inc 13F manager | New | Common Stock | $23.31M | +1.1M | 1,058,051 0.83% of shares | medium |
| Q1 2026 as of | Great Point Partners, LLC 13F manager | New | Common Stock | $18.86M | +856K | 856,061 0.67% of shares | medium |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | Common Stock | $17.62M | +800K +214.49% | 1,172,749 0.92% of shares | medium |
| Q1 2026 as of | Orbimed Advisors LLC 13F manager | Trim | Common Stock | $-12.22M | -555K -50.29% | 548,163 0.43% of shares | medium |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| ALMS | Common Stock | 022307102 |