AlumisALMS
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 197 institutions reported holding Alumis Inc. (ALMS) in their 13F filings, up 63 from Q4 2025. 84 opened new positions and 23 sold out. The largest holders were AyurMaya Capital Management Company, LP ($333.5M), BlackRock, Inc. ($158.0M) and Deep Track Capital, LP ($149.2M). 7 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Alumis Inc.
- CUSIP
- 022307102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 84 | $452.8M |
| Exits | 23 | $11.9M |
All 13F filers, Q4 2025 → Q1 2026: 38,930,634 shares bought and 4,487,822 shares sold, net +34,442,812 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 197 holders
| AyurMaya Capital Management Company, LP | 100.00% | Add +0.0% | 15,139,707 | $333.5M |
| BlackRock, Inc. | 0.00% | Add +57.0% | 7,170,868 | $158.0M |
| Deep Track Capital, LP | 3.08% | New | 6,772,595 | $149.2M |
| Samsara Biocapital, LLC | 13.58% | Add +10.2% | 6,345,219 | $139.8M |
| Foresite Capital Management V, LLC | 47.94% | Add +2.0% | 5,896,995 | $129.9M |
| venBio Partners LLC | 35.56% | Reduce -2.0% | 4,528,408 | $99.8M |
| Foresite Capital Management VI LLC | 20.33% | No change | 4,247,670 | $93.6M |
| Vanguard Capital Management LLC | 0.00% | — | 4,032,266 | $88.8M |
| Cormorant Asset Management, LP | 4.39% | Add +8.6% | 3,949,241 | $87.0M |
| Nextech Invest Ltd. | 5.49% | Add +21.4% | 3,540,998 | $78.0M |
| T. Rowe Price Associates Inc. | 0.01% | Add +6418.5% | 3,286,753 | $72.4M |
| Saturn V Capital Management LP | 12.77% | Add +2.1% | 3,202,075 | $70.5M |
| UBS Group AG | 0.01% | Add +2579.8% | 3,054,865 | $67.3M |
| Octagon Capital Advisors LP | 6.90% | Add +11.8% | 2,830,700 | $62.4M |
| MPM Bioimpact LLC | 4.06% | Reduce -0.6% | 2,386,529 | $52.6M |
| Janus Henderson Group PLC | 0.02% | New | 2,124,408 | $46.8M |
| Baker Bros. Advisors LP | 0.25% | Add +28.8% | 2,012,500 | $44.3M |
| SR One Capital Management, LP | 4.72% | No change | 1,959,896 | $43.2M |
| Geode Capital Management, LLC | 0.00% | Add +29.0% | 1,918,415 | $42.3M |
| State Street Corp. | 0.00% | Add +43.1% | 1,801,812 | $39.7M |
| Invesco Ltd. | 0.00% | Add +258.3% | 1,511,537 | $33.3M |
| Ikarian Capital, LLC | 3.82% | New | 1,213,548 | $26.7M |
| Marshall Wace, LLP | 0.03% | Add +214.5% | 1,172,749 | $25.8M |
| Weiss Asset Management LP | 0.62% | New | 1,097,417 | $24.2M |
| Principal Financial Group Inc. | 0.01% | New | 1,058,051 | $23.3M |
| FMR LLC | 0.00% | Add +3959.6% | 973,782 | $21.5M |
| Great Point Partners LLC | 4.62% | New | 856,061 | $18.9M |
| Integral Health Asset Management, LLC | 0.93% | New | 800,000 | $17.6M |
| JPMorgan Chase & Co. | 0.00% | Add +141.8% | 861,575 | $17.4M |
| Yu Fan | 17.64% | Reduce -1.6% | 776,845 | $17.1M |
| Voloridge Investment Management, LLC | 0.07% | New | 749,099 | $16.5M |
| Goldman Sachs Group Inc. | 0.00% | Add +68.1% | 718,040 | $15.8M |
| Vanguard Portfolio Management LLC | 0.00% | — | 712,608 | $15.7M |
| Two Sigma Investments, LP | 0.01% | Add +120.7% | 658,115 | $14.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +26.1% | 635,389 | $14.0M |
| Millennium Management | 0.01% | Reduce -47.3% | 606,284 | $13.4M |
| D. E. Shaw & Co. | 0.01% | Add +146.9% | 572,129 | $12.6M |
| Northern Trust Corp. | 0.00% | Add +34.7% | 563,522 | $12.4M |
| Opaleye Management Inc. | 1.60% | Add +2.8% | 550,000 | $12.1M |
| Orbimed Advisors LLC | 0.27% | Reduce -50.3% | 548,163 | $12.1M |
| Prudential Financial Inc. | 0.01% | New | 538,733 | $11.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 527,305 | $11.6M |
| Royce & Associates LP | 0.10% | New | 476,392 | $10.5M |
| Spruce Street Capital LP | 2.08% | New | 392,574 | $8.6M |
| Point72 Asset Management | 0.01% | New | 362,985 | $8.0M |
| Citadel Advisors | 0.01% | Add +194.6% | 351,507 | $7.7M |
| Boothbay Fund Management, LLC | 0.18% | New | 346,131 | $7.6M |
| Artia Global Partners LP | 1.61% | New | 325,046 | $7.2M |
| Nuveen, LLC | 0.00% | Add +88.3% | 319,188 | $7.0M |
| Exome Asset Management LLC | 3.62% | Reduce -4.5% | 279,176 | $6.2M |
| ExodusPoint Capital Management, LP | 0.06% | Add +2277.8% | 266,243 | $5.9M |
| Omega Fund Management, LLC | 3.26% | Reduce -63.1% | 241,255 | $5.3M |
| Wellington Management Group LLP | 0.00% | Add +41.5% | 239,231 | $5.3M |
| Stempoint Capital LP | 0.97% | New | 229,566 | $5.1M |
| Morgan Stanley | 0.00% | Reduce -55.6% | 225,072 | $5.0M |
| Barclays PLC | 0.00% | Add +82.2% | 222,658 | $4.9M |
| Towerview LLC | 3.16% | Reduce -55.1% | 222,294 | $4.9M |
| Stifel Financial Corp. | 0.00% | No change | 209,729 | $4.6M |
| Bank of New York Mellon Corp | 0.00% | Add +29.1% | 206,729 | $4.6M |
| Susquehanna International Group, LLP | 0.01% | Reduce -6.6% | 194,355 | $4.3M |
| Hudson Bay Capital Management LP | 0.03% | New | 193,395 | $4.3M |
| Trium Capital LLP | 3.06% | Reduce -78.6% | 191,391 | $4.2M |
| TD Asset Management Inc | 0.00% | New | 191,202 | $4.2M |
| Act Capital Management, LLC | 3.02% | New | 174,250 | $3.8M |
| Susquehanna Portfolio Strategies, LLC | 0.06% | No change | 172,779 | $3.8M |
| Ensign Peak Advisors, Inc | 0.01% | New | 169,497 | $3.7M |
| Ally Bridge Group (NY) LLC | 3.65% | New | 166,959 | $3.7M |
| Burkehill Global Management, LP | 0.19% | New | 165,000 | $3.6M |
| Russell Investments Group, Ltd. | 0.00% | Add +979.1% | 162,180 | $3.6M |
| Algert Global LLC | 0.05% | New | 157,826 | $3.5M |
| Deeter Investments LLP | 0.61% | New | 157,022 | $3.5M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +775.6% | 154,634 | $3.4M |
| AQR Capital Management | 0.00% | Add +6.5% | 146,682 | $3.2M |
| Elmind Capital, LP | 0.81% | New | 130,000 | $2.9M |
| Bank of America Corp. | 0.00% | Reduce -7.6% | 127,812 | $2.8M |
| Swiss National Bank | 0.00% | New | 127,800 | $2.8M |
| Quantinno Capital Management LP | 0.00% | Reduce -6.2% | 127,095 | $2.8M |
| Schroder Investment Management Group | 0.00% | New | 137,347 | $2.8M |
| Squarepoint Ops LLC | 0.01% | New | 114,198 | $2.5M |
| HighVista Strategies LLC | 0.69% | New | 112,929 | $2.5M |
| Tudor Investment Corporation | 0.01% | New | 106,376 | $2.3M |
| American Century Companies Inc. | 0.00% | Add +892.6% | 102,456 | $2.3M |
| Ghisallo Capital Management LLC | 0.06% | New | 100,000 | $2.2M |
| Harvest Investment Services, LLC | 0.40% | New | 99,850 | $2.2M |
| Citigroup Inc. | 0.00% | Add +603.1% | 98,924 | $2.2M |
| Wells Fargo & Company | 0.00% | Reduce -33.0% | 86,718 | $1.9M |
| Rhumbline Advisers | 0.00% | Add +21.8% | 84,292 | $1.9M |
| Informed Momentum Co LLC | 0.21% | New | 83,187 | $1.8M |
| Victory Capital Management Inc. | 0.00% | New | 82,654 | $1.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 82,074 | $1.8M |
| California State Teachers Retirement System | 0.00% | Add +2222.5% | 80,845 | $1.8M |
| Renaissance Technologies | 0.00% | Reduce -30.5% | 75,167 | $1.7M |
| Prelude Capital Management, LLC | 0.13% | Reduce -14.9% | 74,758 | $1.6M |
| Voya Investment Management LLC | 0.00% | New | 73,909 | $1.6M |
| Mariner, LLC | 0.00% | Reduce -49.6% | 73,123 | $1.6M |
| First Trust Advisors LP | 0.00% | New | 66,099 | $1.5M |
| Deutsche Bank AG | 0.00% | Add +41.5% | 58,158 | $1.3M |
| Legal & General Group Plc | 0.00% | Add +921.3% | 50,595 | $1.1M |
| State of Wisconsin Investment Board | 0.00% | New | 44,510 | $981K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 42,244 | $931K |
"% of holder's portfolio" is ALMS's weight in each manager's 13F, not the share of Alumis Inc. the manager owns.