Alumis Inc.
ALMS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001847367
In the last 90 days, Alumis Inc. insiders filed 1 open-market purchase and 8 sales; 198 institutions reported holding it in 13F filings for Q2 2026, worth $3.32B in total; no superinvestor holds it.
Holders of 5% or more of ALMS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Alumis Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| AyurMaya Capital Management Company, LP | 13D/A | 15.80%15.1M shares | −6.70 ppfrom 22.50% | Feb 10, 20252 filings | May 23, 2025 | SEC |
| Foresite Capital Fund VI LP | 13D/A | 14.10%16.2M shares | −1.80 ppfrom 15.90% | May 7, 20253 filings | Jan 12, 2026 | SEC |
| Samsara BioCapital, L.P. | 13D/A | 5.40%6.35M shares | +0.10 ppfrom 5.30% | May 23, 20254 filings | Jan 13, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on Alumis Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jan 13, 20266:18 PM ET | Samsara BioCapital, L.P.and 4 others | 13D/A | 5.40%6.35M shares | +0.10 ppfrom 5.30% | Jan 9, 2026 | SEC |
| Jan 12, 20269:59 PM ET | Foresite Capital Fund VI LPand 11 others | 13D/A | 14.10%16.2M shares | −1.80 ppfrom 15.90% | Jan 8, 2026 | SEC |
| Nov 24, 20256:54 PM ET | Samsara BioCapital, L.P.and 4 others | 13D | 5.30%5.13M shares | +0.40 ppfrom 4.90% | Nov 18, 2025 | SEC |
| Nov 17, 20254:56 PM ET | Samsara BioCapital, L.P.and 4 others | 13D/A | 4.90%4.77M shares | −0.10 ppfrom 5.00%Below 5% | Nov 13, 2025 | SEC |
| Nov 17, 20251:13 PM ET | venBio Global Strategic Fund IV, L.P.and 3 others | 13G/A | 4.80%4.62M shares | –Below 5% | Jun 30, 2025 | SEC |
| Jun 10, 20254:37 PM ET | Foresite Capital Fund VI LPand 11 others | 13D/A | 15.90%15.2M shares | −16.30 ppfrom 32.20% | May 21, 2025 | SEC |
| May 23, 20258:49 PM ET | Samsara BioCapital, L.P.and 2 others | 13D/A | 5.00%4.80M shares | – | May 21, 2025 | SEC |
| May 23, 20254:16 PM ET | AyurMaya Capital Management Company, LPand 1 other | 13D/A | 15.80%15.1M shares | −6.70 ppfrom 22.50% | May 21, 2025 | SEC |
| May 7, 20253:33 PM ET | Foresite Capital Fund VI LPand 11 others | 13D/A | 32.20%15.2M shares | – | Aug 13, 2024 | SEC |
| Feb 10, 20255:00 PM ET | AyurMaya Capital Management Company, LPand 1 other | 13D/A | 22.50%10.6M shares | – | Feb 6, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Alumis Inc. shares.
No Form 144 notices for Alumis Inc. are on file.