AlumisALMS

13F holders, Q3 2025 (September 30)
130holders +18
33new positions
15sold out
4famous investors
$3.99avg. 13F price*

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

050100150200 Q2 2024: 29Q2 2024Q3 2024: 52Q3 2024Q4 2024: 64Q4 2024Q1 2025: 72Q1 2025Q2 2025: 112Q2 2025Q3 2025: 130Q3 2025Q4 2025: 134Q4 2025Q1 2026: 197Q1 2026Q2 2026: 198Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions33$4.5M
Exits15$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.

Show all 130 holders