Alumis Inc. (ALMS) Institutional Ownership & Insider Trading
198 institutions reported holding Alumis Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 49 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 877.6M
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 12 Nov, in 19 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters198 institutions held 91.3% of the shares. Across filers that reported both quarters, shares held changed +2.7%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 198 | 118 | +2.7% | 70 | 24 | 59 | 20 |
| Mar 26 | 195 | 100 | +58.3% | 59 | 80 | 30 | 22 |
| Dec 25 | 131 | 79 | +4.4% | 43 | 28 | 32 | 19 |
| Sep 25 | 127 | 78 | -0.1% | 34 | 28 | 28 | 15 |
| Jun 25 | 112 | 78 | — | — | — | — | — |
| Mar 25 | 72 | 40 | +0.4% | 28 | 18 | 3 | 8 |
| Dec 24 | 63 | 40 | +2.4% | 23 | 12 | 6 | 2 |
| Sep 24 | 51 | 35 | +19.0% | 4 | 32 | 2 | 11 |
Alumis Inc. — questions
- Who owns Alumis Inc. stock?
- 198 institutions reported Alumis Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: AyurMaya Capital Management Company, LP (11.7%), BlackRock, Inc. (6.3%), FMR LLC (5.2%).
- Are Alumis Inc. insiders buying or selling?
- 49 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Alumis Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.