AlumisALMS
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 198 institutions reported holding Alumis Inc. (ALMS) in their 13F filings, up 1 from Q1 2026. 26 opened new positions and 24 sold out. The largest holders were AyurMaya Capital Management Company, LP ($426.0M), BlackRock, Inc. ($231.3M) and FMR LLC ($190.5M). 4 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Alumis Inc.
- CUSIP
- 022307102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $57.2M |
| Exits | 24 | $42.4M |
All 13F filers, Q1 2026 → Q2 2026: 14,430,350 shares bought and 11,128,107 shares sold, net +3,302,243 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 198 holders
| AyurMaya Capital Management Company, LP | 100.00% | No change | 15,139,707 | $426.0M |
| BlackRock, Inc. | 0.00% | Add +14.6% | 8,218,151 | $231.3M |
| FMR LLC | 0.01% | Add +595.1% | 6,769,170 | $190.5M |
| Deep Track Capital, LP | 2.63% | Reduce -6.3% | 6,348,558 | $178.6M |
| Samsara Biocapital, LLC | 14.67% | No change | 6,345,219 | $178.6M |
| Foresite Capital Management V, LLC | 45.81% | No change | 5,896,995 | $165.9M |
| T. Rowe Price Associates Inc. | 0.01% | Add +58.2% | 5,199,838 | $146.3M |
| venBio Partners LLC | 24.53% | No change | 4,528,408 | $127.4M |
| Foresite Capital Management VI LLC | 18.60% | No change | 4,247,670 | $119.5M |
| Vanguard Capital Management LLC | 0.00% | Add +4.5% | 4,215,703 | $118.6M |
| Nextech Invest Ltd. | 4.73% | No change | 3,540,998 | $99.6M |
| Cormorant Asset Management, LP | 4.74% | Reduce -16.8% | 3,285,596 | $92.5M |
| Saturn V Capital Management LP | 11.76% | Reduce -8.9% | 2,915,443 | $82.0M |
| Octagon Capital Advisors LP | 7.31% | No change | 2,830,700 | $79.7M |
| Jupiter Topco LLC | 0.03% | — | 2,355,122 | $66.2M |
| State Street Corp. | 0.00% | Add +21.4% | 2,187,266 | $61.5M |
| Geode Capital Management, LLC | 0.00% | Add +13.0% | 2,168,517 | $61.0M |
| MPM Bioimpact LLC | 3.46% | Reduce -15.4% | 2,019,020 | $56.8M |
| Baker Bros. Advisors LP | 0.28% | No change | 2,012,500 | $56.6M |
| SR One Capital Management, LP | 5.31% | No change | 1,959,896 | $55.2M |
| Invesco Ltd. | 0.00% | Reduce -22.4% | 1,173,518 | $33.0M |
| Novo Holdings A/S | 1.80% | New | 1,100,000 | $31.0M |
| Principal Financial Group Inc. | 0.01% | Add +0.9% | 1,068,060 | $30.1M |
| D. E. Shaw & Co. | 0.02% | Add +69.2% | 968,234 | $27.2M |
| UBS Group AG | 0.00% | Reduce -68.8% | 951,796 | $26.8M |
| JPMorgan Chase & Co. | 0.00% | Add +12.5% | 969,617 | $26.4M |
| Vanguard Portfolio Management LLC | 0.00% | Add +29.3% | 921,211 | $25.9M |
| Ikarian Capital, LLC | 4.01% | Reduce -28.3% | 870,548 | $24.5M |
| Great Point Partners LLC | 5.68% | No change | 856,061 | $24.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +15.9% | 831,897 | $23.4M |
| Northern Trust Corp. | 0.00% | Add +28.4% | 723,849 | $20.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +10.2% | 700,134 | $19.7M |
| Integral Health Asset Management, LLC | 0.81% | Reduce -12.5% | 700,000 | $19.7M |
| Millennium Management | 0.01% | Add +8.9% | 660,142 | $18.6M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +16.1% | 612,010 | $17.2M |
| Opaleye Management Inc. | 1.40% | No change | 550,000 | $15.5M |
| Orbimed Advisors LLC | 0.29% | No change | 548,163 | $15.4M |
| Royce & Associates LP | 0.12% | Add +10.3% | 525,303 | $14.8M |
| Woodline Partners LP | 0.04% | New | 486,052 | $13.7M |
| Spruce Street Capital LP | 2.17% | No change | 392,574 | $11.0M |
| Trium Capital LLP | 6.92% | Add +103.9% | 390,268 | $11.0M |
| Citigroup Inc. | 0.01% | Add +289.6% | 385,400 | $10.8M |
| Two Sigma Investments, LP | 0.01% | Reduce -42.9% | 376,119 | $10.6M |
| Marshall Wace, LLP | 0.01% | Reduce -68.6% | 368,014 | $10.4M |
| Morgan Stanley | 0.00% | Add +42.7% | 321,163 | $9.0M |
| Voloridge Investment Management, LLC | 0.04% | Reduce -57.2% | 320,861 | $9.0M |
| Weiss Asset Management LP | 0.15% | Reduce -71.6% | 311,371 | $8.8M |
| Artia Global Partners LP | 1.49% | Reduce -14.3% | 278,546 | $7.8M |
| Barclays PLC | 0.00% | Add +22.9% | 273,716 | $7.7M |
| Yu Fan | 6.59% | Reduce -67.5% | 252,672 | $7.1M |
| Nuveen, LLC | 0.00% | Reduce -23.6% | 243,872 | $6.9M |
| Boothbay Fund Management, LLC | 0.13% | Reduce -29.9% | 242,538 | $6.8M |
| Omega Fund Management, LLC | 3.66% | No change | 241,255 | $6.8M |
| Schroder Investment Management Group | 0.00% | Add +72.4% | 236,841 | $6.4M |
| Bank of New York Mellon Corp | 0.00% | Add +9.6% | 226,618 | $6.4M |
| Towerview LLC | 4.10% | No change | 222,294 | $6.3M |
| Bank of America Corp. | 0.00% | Add +62.6% | 207,789 | $5.8M |
| Exome Asset Management LLC | 3.55% | Reduce -26.8% | 204,418 | $5.8M |
| HighVista Strategies LLC | 1.28% | Add +77.1% | 199,968 | $5.6M |
| Wellington Management Group LLP | 0.00% | Reduce -24.8% | 179,802 | $5.1M |
| Wells Fargo & Company | 0.00% | Add +101.7% | 174,912 | $4.9M |
| Susquehanna Portfolio Strategies, LLC | 0.08% | No change | 172,779 | $4.9M |
| Prudential Financial Inc. | 0.01% | Reduce -69.8% | 162,583 | $4.6M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -5.1% | 153,906 | $4.3M |
| Ensign Peak Advisors, Inc | 0.01% | Reduce -13.3% | 146,970 | $4.1M |
| AQR Capital Management | 0.00% | Reduce -0.2% | 146,437 | $4.1M |
| Voya Investment Management LLC | 0.00% | Add +87.3% | 138,418 | $3.9M |
| Moore Capital Management, LP | 0.09% | Add +230.7% | 136,803 | $3.8M |
| Swiss National Bank | 0.00% | Add +6.3% | 135,900 | $3.8M |
| Stempoint Capital LP | 0.66% | Reduce -40.9% | 135,736 | $3.8M |
| Nomura Asset Management International Inc. | 0.01% | New | 134,850 | $3.8M |
| Victory Capital Management Inc. | 0.00% | Add +60.1% | 132,331 | $3.7M |
| Quantinno Capital Management LP | 0.00% | Add +3.1% | 131,092 | $3.7M |
| Elmind Capital, LP | 0.92% | No change | 130,000 | $3.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +36.6% | 112,129 | $3.2M |
| Stifel Financial Corp. | 0.00% | Reduce -47.5% | 110,075 | $3.1M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -35.2% | 100,215 | $2.8M |
| Ghisallo Capital Management LLC | 0.07% | No change | 100,000 | $2.8M |
| TD Asset Management Inc | 0.00% | Reduce -49.3% | 97,002 | $2.7M |
| Rhumbline Advisers | 0.00% | Add +14.8% | 96,767 | $2.7M |
| First Trust Advisors LP | 0.00% | Add +42.3% | 94,046 | $2.6M |
| Harvest Investment Services, LLC | 0.40% | Reduce -7.1% | 92,765 | $2.6M |
| Caption Management, LLC | 0.09% | Add +350.0% | 90,000 | $2.5M |
| Deutsche Bank AG | 0.00% | Add +44.6% | 84,113 | $2.4M |
| Alliancebernstein L.P. | 0.00% | Add +53.3% | 104,394 | $2.3M |
| California State Teachers Retirement System | 0.00% | Reduce -2.5% | 78,818 | $2.2M |
| Ally Bridge Group (NY) LLC | 2.77% | Reduce -54.2% | 76,459 | $2.2M |
| Mariner, LLC | 0.00% | Reduce -1.9% | 71,726 | $2.0M |
| Susquehanna International Group, LLP | 0.00% | Reduce -69.8% | 58,717 | $1.7M |
| Algert Global LLC | 0.02% | Reduce -63.4% | 57,770 | $1.6M |
| Legal & General Group Plc | 0.00% | Add +8.6% | 54,930 | $1.5M |
| Act Capital Management, LLC | 0.95% | Reduce -70.4% | 51,600 | $1.5M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +19.8% | 50,615 | $1.4M |
| State of Wisconsin Investment Board | 0.00% | Add +13.3% | 50,413 | $1.4M |
| Vanguard Global Advisers, LLC | 0.00% | Add +17.8% | 49,756 | $1.4M |
| Squarepoint Ops LLC | 0.00% | Reduce -58.3% | 47,590 | $1.3M |
| MetLife Investment Management, LLC | 0.01% | Add +23.3% | 46,312 | $1.3M |
| Fred Alger Management, LLC | 0.00% | New | 43,057 | $1.2M |
| Creative Planning | 0.00% | Add +1.8% | 41,818 | $1.2M |
| Handelsbanken Fonder AB | 0.00% | New | 36,400 | $1.0M |
"% of holder's portfolio" is ALMS's weight in each manager's 13F, not the share of Alumis Inc. the manager owns.