AlumisALMS
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 130 institutions reported holding Alumis Inc. (ALMS) in their 13F filings, up 18 from Q2 2025. 33 opened new positions and 15 sold out. The largest holders were AyurMaya Capital Management Company, LP ($60.4M), Foresite Capital Management V, LLC ($23.1M) and Samsara Biocapital, LLC ($19.2M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Alumis Inc.
- CUSIP
- 022307102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 33 | $4.5M |
| Exits | 15 | $3.9M |
All 13F filers, Q2 2025 → Q3 2025: 5,500,152 shares bought and 5,831,624 shares sold, net −331,472 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 130 holders
| AyurMaya Capital Management Company, LP | 100.00% | Reduce 0.0% | 15,139,706 | $60.4M |
| Foresite Capital Management V, LLC | 21.21% | No change | 5,779,348 | $23.1M |
| Samsara Biocapital, LLC | 2.50% | No change | 4,801,370 | $19.2M |
| venBio Partners LLC | 10.45% | No change | 4,619,803 | $18.4M |
| Foresite Capital Management VI LLC | 6.55% | No change | 4,247,670 | $16.9M |
| BlackRock, Inc. | 0.00% | Add +0.4% | 4,193,077 | $16.7M |
| Vanguard Group Inc. | 0.00% | Add +18.4% | 4,029,615 | $16.1M |
| Trium Capital LLP | 4.89% | Add +17.9% | 3,122,111 | $12.5M |
| Nextech Invest Ltd. | 1.77% | No change | 2,915,998 | $11.6M |
| Cormorant Asset Management, LP | 0.59% | No change | 2,147,396 | $8.6M |
| SR One Capital Management, LP | 1.13% | No change | 1,959,896 | $7.8M |
| Orbimed Advisors LLC | 0.18% | No change | 1,926,423 | $7.7M |
| Woodline Partners LP | 0.03% | Add +809.7% | 1,751,150 | $7.0M |
| Baker Bros. Advisors LP | 0.05% | No change | 1,562,500 | $6.2M |
| Tybourne Capital Management (hk) Ltd. | 18.05% | No change | 1,399,250 | $5.6M |
| Geode Capital Management, LLC | 0.00% | Add +19.3% | 1,393,286 | $5.6M |
| General Atlantic, L.P. | 0.16% | No change | 1,297,530 | $5.2M |
| BML Capital Management, LLC | 4.44% | No change | 1,210,415 | $4.8M |
| Tang Capital Management LLC | 0.18% | Reduce -41.6% | 1,167,009 | $4.7M |
| State Street Corp. | 0.00% | Reduce -0.7% | 1,101,886 | $4.4M |
| Velan Capital Investment Management LP | 3.55% | Reduce -41.6% | 946,683 | $3.8M |
| Yu Fan | 4.10% | No change | 789,618 | $3.2M |
| UBS Group AG | 0.00% | Reduce -36.8% | 762,675 | $3.0M |
| Opaleye Management Inc. | 0.38% | Reduce -14.2% | 665,000 | $2.7M |
| Omega Fund Management, LLC | 1.17% | No change | 653,223 | $2.6M |
| Towerview LLC | 1.44% | No change | 495,000 | $2.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +29.6% | 491,002 | $2.0M |
| Northern Trust Corp. | 0.00% | Add +16.0% | 438,972 | $1.8M |
| Madison Avenue Partners, LP | 0.10% | Reduce -77.3% | 417,777 | $1.7M |
| Goldman Sachs Group Inc. | 0.00% | Add +215.7% | 417,080 | $1.7M |
| Susquehanna International Group, LLP | 0.00% | Reduce -40.5% | 362,645 | $1.4M |
| Citadel Advisors | 0.00% | Add +216.8% | 339,251 | $1.4M |
| Morgan Stanley | 0.00% | Reduce -2.0% | 332,406 | $1.3M |
| Millennium Management | 0.00% | Reduce -36.7% | 317,029 | $1.3M |
| Stonepine Capital Management, LLC | 0.97% | Reduce -14.2% | 300,000 | $1.2M |
| Exome Asset Management LLC | 0.77% | New | 292,770 | $1.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -8.1% | 268,667 | $1.1M |
| Bank of America Corp. | 0.00% | Add +533.0% | 263,917 | $1.1M |
| LMR Partners LLP | 0.02% | Add +10.9% | 258,442 | $1.0M |
| Credit Industriel Et Commercial | 0.22% | Reduce -36.2% | 247,002 | $986K |
| Stifel Financial Corp. | 0.00% | Add +0.0% | 209,729 | $837K |
| ExodusPoint Capital Management, LP | 0.01% | Add +277.1% | 166,771 | $665K |
| Wellington Management Group LLP | 0.00% | New | 165,503 | $660K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | New | 158,757 | $633K |
| Renaissance Technologies | 0.00% | Reduce -33.2% | 151,568 | $605K |
| AQR Capital Management | 0.00% | Add +439.6% | 140,917 | $562K |
| Bank of New York Mellon Corp | 0.00% | Add +11.3% | 136,712 | $545K |
| Invesco Ltd. | 0.00% | Add +26.0% | 129,569 | $517K |
| Los Angeles Capital Management LLC | 0.00% | No change | 122,701 | $490K |
| Nuveen, LLC | 0.00% | Reduce -18.6% | 100,735 | $402K |
| Wells Fargo & Company | 0.00% | Add +52.9% | 89,266 | $356K |
| Prelude Capital Management, LLC | 0.03% | Add +698.0% | 87,832 | $350K |
| Quantinno Capital Management LP | 0.00% | New | 87,608 | $350K |
| Two Sigma Investments, LP | 0.00% | New | 86,084 | $343K |
| Mariner, LLC | 0.00% | Add +177.3% | 84,873 | $339K |
| Barclays PLC | 0.00% | Reduce -7.4% | 83,368 | $333K |
| Alliancebernstein L.P. | 0.00% | Reduce -8.4% | 80,900 | $323K |
| Walleye Capital LLC | 0.00% | New | 77,550 | $309K |
| Rhumbline Advisers | 0.00% | Add +6.4% | 74,029 | $295K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 73,728 | $294K |
| Blair William & Co. | 0.00% | No change | 66,719 | $266K |
| ADAR1 Capital Management, LLC | 0.02% | Add +62.2% | 61,291 | $245K |
| Jacobs Levy Equity Management, Inc. | 0.00% | New | 40,162 | $160K |
| Two Sigma Advisers, LP | 0.00% | New | 33,474 | $134K |
| Royal Bank of Canada | 0.00% | Add +590.0% | 32,748 | $131K |
| MetLife Investment Management, LLC | 0.00% | New | 32,589 | $130K |
| Stoneridge Investment Partners LLC | 0.08% | Add +8.1% | 29,535 | $118K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 28,274 | $113K |
| Jane Street Group, LLC | 0.00% | Reduce -75.6% | 27,109 | $108K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -1.6% | 25,971 | $104K |
| Deutsche Bank AG | 0.00% | Reduce -8.6% | 24,736 | $99K |
| XTX Topco Ltd | 0.01% | New | 24,612 | $98K |
| Atom Investors LP | 0.01% | New | 24,176 | $96K |
| STRS Ohio | 0.00% | No change | 23,826 | $95K |
| Intech Investment Management LLC | 0.00% | Reduce -24.9% | 23,546 | $94K |
| Group One Trading LLC | 0.00% | Reduce -67.7% | 22,583 | $90K |
| PharVision Advisers, LLC | 0.05% | New | 20,693 | $83K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -4.8% | 20,516 | $82K |
| Inscription Capital, LLC | 0.01% | New | 20,434 | $82K |
| Sig Brokerage, LP | 0.02% | No change | 19,808 | $79K |
| Axq Capital, LP | 0.03% | New | 19,452 | $78K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -7.8% | 17,343 | $69K |
| China Universal Asset Management Co., Ltd. | 0.01% | Reduce -11.5% | 16,982 | $68K |
| Ieq Capital, LLC | 0.00% | New | 16,731 | $67K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +42.7% | 15,340 | $61K |
| Arax Advisory Partners | 0.00% | New | 13,660 | $55K |
| ProShare Advisors LLC | 0.00% | Reduce -3.4% | 13,009 | $52K |
| Western Wealth Management, LLC | 0.00% | No change | 12,035 | $48K |
| BNP Paribas Financial Markets | 0.00% | Add +105.0% | 11,770 | $47K |
| New York State Common Retirement Fund | 0.00% | No change | 11,767 | $47K |
| American Century Companies Inc. | 0.00% | Reduce -67.9% | 11,314 | $45K |
| Kera Capital Partners, Inc. | 0.01% | Add +4.3% | 10,977 | $44K |
| Cwm, LLC | 0.00% | Add +1028.7% | 10,384 | $41K |
| Birchview Capital, LP | 0.03% | No change | 10,000 | $40K |
| Simplex Trading, LLC | 0.00% | Reduce -90.4% | 8,837 | $35K |
| FMR LLC | 0.00% | Add +43.2% | 6,931 | $28K |
| Russell Investments Group, Ltd. | 0.00% | Add +320.9% | 6,419 | $26K |
| Legal & General Group Plc | 0.00% | Add +22.3% | 5,316 | $21K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 4,827 | $19K |
| Quarry LP | 0.00% | New | 3,938 | $16K |
"% of holder's portfolio" is ALMS's weight in each manager's 13F, not the share of Alumis Inc. the manager owns.