Who owns ALUMIS INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ALMS from SEC Form 13F filings across 198 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 198 institutions disclosed 118.1M shares of ALUMIS INC. worth $3.32B — about 92.5% of shares outstanding; the largest disclosed holder is AyurMaya Capital Management Company, LP. Source: SEC Form 13F filings, parsed by EvidInvest.
198
13F holders
$3.32B
value, 2026 filers
92.5%
of shares outstanding (118.1M sh)
30
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of ALMS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | AyurMaya Capital Management Company, LPNEW | 15.1M | $426.0M | 100.0% | 11.9% | new |
| 2 | BlackRock, Inc. | 8.2M | $231.3M | 0.0% | 6.4% | +14.6% |
| 3 | FMR LLC | 6.8M | $190.5M | 0.0% | 5.3% | +595.1% |
| 4 | Deep Track Capital, LP | 6.3M | $178.6M | 2.6% | 5% | -6.3% |
| 5 | SAMSARA BIOCAPITAL, LLC | 6.3M | $178.6M | 14.7% | 5% | 0.0% |
| 6 | Foresite Capital Management V, LLC | 5.9M | $165.9M | 45.8% | 4.6% | 0.0% |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | 5.2M | $146.3M | 0.0% | 4.1% | +58.2% |
| 8 | venBio Partners LLC | 4.5M | $127.4M | 24.5% | 3.5% | 0.0% |
| 9 | Foresite Capital Management VI LLC | 4.2M | $119.5M | 18.6% | 3.3% | 0.0% |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | 4.2M | $118.6M | 0.0% | 3.3% | +4.5% |
| 11 | Nextech Invest Ltd. | 3.5M | $99.6M | 4.7% | 2.8% | 0.0% |
| 12 | Cormorant Asset Management, LP | 3.3M | $92.5M | 4.7% | 2.6% | -16.8% |
| 13 | Saturn V Capital Management LP | 2.9M | $82.0M | 11.8% | 2.3% | -9.0% |
| 14 | Octagon Capital Advisors LP | 2.8M | $79.7M | 7.2% | 2.2% | 0.0% |
| 15 | Jupiter Topco LLCNEW | 2.4M | $66.2M | 0.0% | 1.8% | new |
| 16 | STATE STREET CORP | 2.2M | $61.5M | 0.0% | 1.7% | +21.4% |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 2.2M | $61.0M | 0.0% | 1.7% | +13.0% |
| 18 | MPM BIOIMPACT LLC | 2.0M | $56.8M | 3.5% | 1.6% | -15.4% |
| 19 | BAKER BROS. ADVISORS LP | 2.0M | $56.6M | 0.3% | 1.6% | 0.0% |
| 20 | SR One Capital Management, LP | 2.0M | $55.2M | 5.3% | 1.5% | 0.0% |
| 21 | Invesco Ltd. | 1.2M | $33.0M | 0.0% | 0.9% | -22.4% |
| 22 | NOVO HOLDINGS A/SNEW | 1.1M | $31.0M | 1.8% | 0.9% | new |
| 23 | PRINCIPAL FINANCIAL GROUP INC | 1.1M | $30.1M | 0.0% | 0.8% | +0.9% |
| 24 | JPMORGAN CHASE & CO | 969,617 | $26.4M | 0.0% | 0.8% | +12.5% |
| 25 | D. E. Shaw & Co., Inc. | 968,234 | $27.2M | 0.0% | 0.8% | +69.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.