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.
13F holders, Q1 2026
Institutional positions in Alumis Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 197
- +66 vs. Q4 2025
- Shares held
- 114.7M
- +39.8M (+53.1%) vs. Q4 2025
- Total value
- $2.53B
- +$1.79B (+245.5%) vs. Q4 2025
- New holders
- 90
- 61 more added
- Sold out
- 24
- 33 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALMS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 198 | $3.32B |
| Q1 2026 | 197 | $2.53B |
| Q4 2025 | 134 | $771.1M |
| Q3 2025 | 130 | $311.2M |
| Q2 2025 | 112 | $235.0M |
| Q1 2025 | 72 | $246.8M |
| Q4 2024 | 64 | $316.5M |
| Q3 2024 | 52 | $376.1M |
| Q2 2024 | 29 | $380.0M |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Alumis Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AyurMaya Capital Management Company, LP | 15,139,707 | $333.5M | 100.00% | +10.0% | Added |
| BlackRock, Inc. | 7,170,868 | $158.0M | 0.00% | +2,604,366+57.0% | Added |
| Deep Track Capital, LP | 6,772,595 | $149.2M | 3.08% | +6,772,595 | New |
| Samsara BioCapital, LLC | 6,345,219 | $139.8M | 13.58% | +588,235+10.2% | Added |
| Foresite Capital Management V, LLC | 5,896,995 | $129.9M | 47.94% | +117,647+2.0% | Added |
| venBio Partners LLC | 4,528,408 | $99.8M | 35.56% | −91,395−2.0% | Reduced |
| Foresite Capital Management VI LLC | 4,247,670 | $93.6M | 20.33% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 4,032,266 | $88.8M | 0.00% | +4,032,266 | New |
| Cormorant Asset Management, LP | 3,949,241 | $87.0M | 4.39% | +313,645+8.6% | Added |
| Nextech Invest, Ltd. | 3,540,998 | $78.0M | 5.49% | +625,000+21.4% | Added |
| Price T Rowe Associates Inc | 3,286,753 | $72.4M | 0.01% | +3,236,331+6,418.5% | Added |
| Saturn V Capital Management LLC | 3,202,075 | $70.5M | 12.77% | +66,122+2.1% | Added |
| UBS Group AG | 3,054,865 | $67.3M | 0.01% | +2,940,868+2,579.8% | Added |
| Octagon Capital Advisors LP | 2,830,700 | $62.4M | 6.90% | +300,000+11.9% | Added |
| MPM Oncology Impact Management LP | 2,386,529 | $52.6M | 4.06% | −15,463−0.6% | Reduced |
| Janus Henderson Group PLC | 2,124,408 | $46.8M | 0.02% | +2,124,408 | New |
| Baker Bros. Advisors LP | 2,012,500 | $44.3M | 0.25% | +450,000+28.8% | Added |
| Sr One Capital Management, LP | 1,959,896 | $43.2M | 4.72% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,918,415 | $42.3M | 0.00% | +430,789+29.0% | Added |
| State Street Corp | 1,801,812 | $39.7M | 0.00% | +542,366+43.1% | Added |
| Invesco Ltd. | 1,511,537 | $33.3M | 0.00% | +1,089,718+258.3% | Added |
| Ikarian Capital, LLC | 1,213,548 | $26.7M | 3.82% | +1,213,548 | New |
| Marshall Wace, LLP | 1,172,749 | $25.8M | 0.03% | +799,848+214.5% | Added |
| Weiss Asset Management LP | 1,097,417 | $24.2M | 0.44% | +1,097,417 | New |
| Principal Financial Group Inc | 1,058,051 | $23.3M | 0.01% | +1,058,051 | New |
| FMR LLC | 973,782 | $21.5M | 0.00% | +949,795+3,959.6% | Added |
| Great Point Partners LLC | 856,061 | $18.9M | 4.62% | +856,061 | New |
| Integral Health Asset Management, LLC | 800,000 | $17.6M | 0.93% | +800,000 | New |
| JPMorgan Chase & Co | 861,575 | $17.4M | 0.00% | +505,238+141.8% | Added |
| Fan Yu | 776,845 | $17.1M | 17.64% | −12,773−1.6% | Reduced |
| Voloridge Investment Management, LLC | 749,099 | $16.5M | 0.07% | +749,099 | New |
| Goldman Sachs Group Inc | 718,040 | $15.8M | 0.00% | +290,968+68.1% | Added |
| Vanguard Portfolio Management LLC | 712,608 | $15.7M | 0.00% | +712,608 | New |
| Two Sigma Investments, LP | 658,115 | $14.5M | 0.01% | +359,896+120.7% | Added |
| Charles Schwab Investment Management Inc | 635,389 | $14.0M | 0.00% | +131,314+26.1% | Added |
| Millennium Management LLC | 606,284 | $13.4M | 0.01% | −544,834−47.3% | Reduced |
| D. E. Shaw & Co., Inc. | 572,129 | $12.6M | 0.01% | +340,382+146.9% | Added |
| Northern Trust Corp | 563,522 | $12.4M | 0.00% | +145,274+34.7% | Added |
| Opaleye Management Inc. | 550,000 | $12.1M | 1.60% | +15,000+2.8% | Added |
| OrbiMed Advisors LLC | 548,163 | $12.1M | 0.27% | −554,567−50.3% | Reduced |
| Prudential Financial Inc | 538,733 | $11.9M | 0.01% | +538,733 | New |
| Vanguard Fiduciary Trust Co | 527,305 | $11.6M | 0.00% | +527,305 | New |
| Royce & Associates LP | 476,392 | $10.5M | 0.10% | +476,392 | New |
| Spruce Street Capital LP | 392,574 | $8.65M | 2.08% | +392,574 | New |
| Point72 Asset Management, L.P. | 362,985 | $8.00M | 0.01% | +362,985 | New |
| Citadel Advisors LLC | 351,507 | $7.74M | 0.01% | +232,196+194.6% | Added |
| Boothbay Fund Management, LLC | 346,131 | $7.63M | 0.18% | +346,131 | New |
| Artia Global Partners LP | 325,046 | $7.16M | 1.61% | +325,046 | New |
| Nuveen, LLC | 319,188 | $7.03M | 0.00% | +149,682+88.3% | Added |
| Exome Asset Management LLC | 279,176 | $6.15M | 3.62% | −13,074−4.5% | Reduced |
| ExodusPoint Capital Management, LP | 266,243 | $5.87M | 0.06% | +255,046+2,277.8% | Added |
| Omega Fund Management, LLC | 241,255 | $5.31M | 3.26% | −411,968−63.1% | Reduced |
| Wellington Management Group LLP | 239,231 | $5.27M | 0.00% | +70,138+41.5% | Added |
| StemPoint Capital LP | 229,566 | $5.06M | 0.97% | +229,566 | New |
| Morgan Stanley | 225,072 | $4.96M | 0.00% | −281,457−55.6% | Reduced |
| Barclays PLC | 222,658 | $4.91M | 0.00% | +100,448+82.2% | Added |
| Towerview LLC | 222,294 | $4.90M | 3.16% | −272,706−55.1% | Reduced |
| Stifel Financial Corp | 209,729 | $4.62M | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 206,729 | $4.55M | 0.00% | +46,591+29.1% | Added |
| Susquehanna International Group, LLP | 194,355 | $4.28M | 0.01% | −13,778−6.6% | Reduced |
| Hudson Bay Capital Management LP | 193,395 | $4.26M | 0.03% | +193,395 | New |
| Trium Capital LLP | 191,391 | $4.22M | 3.06% | −701,716−78.6% | Reduced |
| TD Asset Management Inc | 191,202 | $4.21M | 0.00% | +191,202 | New |
| ACT Capital Management, LLC | 174,250 | $3.84M | 3.02% | +174,250 | New |
| Susquehanna Portfolio Strategies, LLC | 172,779 | $3.81M | 0.06% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 169,497 | $3.73M | 0.01% | +169,497 | New |
| Ally Bridge Group (NY) LLC | 166,959 | $3.68M | 3.65% | +166,959 | New |
| Burkehill Global Management, LP | 165,000 | $3.63M | 0.18% | +165,000 | New |
| Russell Investments Group, Ltd. | 162,180 | $3.57M | 0.00% | +147,151+979.1% | Added |
| Algert Global LLC | 157,826 | $3.48M | 0.05% | +157,826 | New |
| Deeter Investments LLP | 157,022 | $3.46M | 0.61% | +157,022 | New |
| Manufacturers Life Insurance Company, The | 154,634 | $3.41M | 0.00% | +136,973+775.6% | Added |
| AQR Capital Management LLC | 146,682 | $3.23M | 0.00% | +8,890+6.5% | Added |
| Elmind Capital, LP | 130,000 | $2.86M | 0.81% | +130,000 | New |
| Bank of America Corp | 127,812 | $2.82M | 0.00% | −10,529−7.6% | Reduced |
| Swiss National Bank | 127,800 | $2.82M | 0.00% | +127,800 | New |
| Quantinno Capital Management LP | 127,095 | $2.80M | 0.00% | −8,351−6.2% | Reduced |
| Schroder Investment Management Group | 137,347 | $2.78M | 0.00% | +137,347 | New |
| Squarepoint Ops LLC | 114,198 | $2.52M | 0.01% | +114,198 | New |
| HighVista Strategies LLC | 112,929 | $2.49M | 0.69% | +112,929 | New |
| Tudor Investment Corp Et Al | 106,376 | $2.34M | 0.01% | +106,376 | New |
| American Century Companies Inc | 102,456 | $2.26M | 0.00% | +92,134+892.6% | Added |
| Ghisallo Capital Management LLC | 100,000 | $2.20M | 0.06% | +100,000 | New |
| Harvest Investment Services, LLC | 99,850 | $2.20M | 0.40% | +99,850 | New |
| Citigroup Inc | 98,924 | $2.18M | 0.00% | +84,854+603.1% | Added |
| Wells Fargo & Company | 86,718 | $1.91M | 0.00% | −42,730−33.0% | Reduced |
| Rhumbline Advisers | 84,292 | $1.86M | 0.00% | +15,056+21.7% | Added |
| EAM Investors, LLC | 83,187 | $1.83M | 0.21% | +83,187 | New |
| Victory Capital Management Inc | 82,654 | $1.82M | 0.00% | +82,654 | New |
| UBS Asset Management Americas Inc | 82,074 | $1.81M | 0.00% | +82,074 | New |
| California State Teachers Retirement System | 80,845 | $1.78M | 0.00% | +77,364+2,222.5% | Added |
| Renaissance Technologies LLC | 75,167 | $1.66M | 0.00% | −33,033−30.5% | Reduced |
| Prelude Capital Management, LLC | 74,758 | $1.65M | 0.13% | −13,074−14.9% | Reduced |
| Voya Investment Management LLC | 73,909 | $1.63M | 0.00% | +73,909 | New |
| Mariner, LLC | 73,123 | $1.61M | 0.00% | −71,922−49.6% | Reduced |
| First Trust Advisors LP | 66,099 | $1.46M | 0.00% | +66,099 | New |
| Deutsche Bank AG | 58,158 | $1.28M | 0.00% | +17,046+41.5% | Added |
| Legal & General Group Plc | 50,595 | $1.11M | 0.00% | +45,641+921.3% | Added |
| State of Wisconsin Investment Board | 44,510 | $980.6K | 0.00% | +44,510 | New |
| Vanguard Asset Management, Ltd | 42,244 | $930.6K | 0.00% | +42,244 | New |