AlumisALMS

13F holders, Q4 2025 (December 31)
134holders +4
28new positions
25sold out
5famous investors
$9.75avg. 13F price*

At the end of Q4 2025, 134 institutions reported holding Alumis Inc. (ALMS) in their 13F filings, up 4 from Q3 2025. 28 opened new positions and 25 sold out. The largest holders were AyurMaya Capital Management Company, LP ($147.8M), Foresite Capital Management V, LLC ($56.4M) and Samsara Biocapital, LLC ($56.2M). 5 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'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 Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions28$94.1M
Exits25$30.7M

All 13F filers, Q3 2025 → Q4 2025: 15,031,856 shares bought and 12,598,184 shares sold, net +2,433,672 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 134 holders

AyurMaya Capital Management Company, LP 100.00% No change 15,139,706 $147.8M
Foresite Capital Management V, LLC 34.31% No change 5,779,348 $56.4M
Samsara Biocapital, LLC 5.80% Add +19.9% 5,756,984 $56.2M
venBio Partners LLC 20.85% No change 4,619,803 $45.1M
BlackRock, Inc. 0.00% Add +8.9% 4,566,502 $44.6M
Foresite Capital Management VI LLC 12.53% No change 4,247,670 $41.5M
Vanguard Group Inc. 0.00% Add +1.8% 4,103,290 $40.0M
Cormorant Asset Management, LP 2.01% Add +69.3% 3,635,596 $35.5M
Saturn V Capital Management LP 5.62% New 3,135,953 $30.6M
Nextech Invest Ltd. 2.75% No change 2,915,998 $28.5M
Octagon Capital Advisors LP 3.09% New 2,530,700 $24.7M
MPM Bioimpact LLC 2.68% New 2,401,992 $23.4M
SR One Capital Management, LP 2.71% No change 1,959,896 $19.1M
Baker Bros. Advisors LP 0.09% No change 1,562,500 $15.3M
Geode Capital Management, LLC 0.00% Add +6.8% 1,487,626 $14.5M
State Street Corp. 0.00% Add +14.3% 1,259,446 $12.3M
Millennium Management 0.01% Add +263.1% 1,151,118 $11.2M
Orbimed Advisors LLC 0.22% Reduce -42.8% 1,102,730 $10.8M
Trium Capital LLP 6.77% Reduce -71.4% 893,107 $8.7M
Yu Fan 8.35% No change 789,618 $7.7M
Omega Fund Management, LLC 2.23% No change 653,223 $6.4M
Opaleye Management Inc. 0.69% Reduce -19.6% 535,000 $5.2M
Morgan Stanley 0.00% Add +52.4% 506,529 $4.9M
Charles Schwab Investment Management Inc. 0.00% Add +2.7% 504,075 $4.9M
Siren, L.L.C. 0.15% New 500,000 $4.9M
Towerview LLC 3.51% No change 495,000 $4.8M
Goldman Sachs Group Inc. 0.00% Add +2.4% 427,072 $4.2M
Invesco Ltd. 0.00% Add +225.6% 421,819 $4.1M
Northern Trust Corp. 0.00% Reduce -4.7% 418,248 $4.1M
Marshall Wace, LLP 0.00% New 372,901 $3.6M
JPMorgan Chase & Co. 0.00% Add +32.6% 356,337 $3.5M
Two Sigma Investments, LP 0.00% Add +246.4% 298,219 $2.9M
Exome Asset Management LLC 1.41% Reduce -0.2% 292,250 $2.9M
D. E. Shaw & Co. 0.00% New 231,747 $2.3M
Stifel Financial Corp. 0.00% No change 209,729 $2.0M
Susquehanna International Group, LLP 0.00% Reduce -42.6% 208,133 $2.0M
Jane Street Group, LLC 0.00% Add +541.2% 173,833 $1.7M
Susquehanna Portfolio Strategies, LLC 0.03% Add +8.8% 172,779 $1.7M
Nuveen, LLC 0.00% Add +68.3% 169,506 $1.7M
Wellington Management Group LLP 0.00% Add +2.2% 169,093 $1.7M
Bank of New York Mellon Corp 0.00% Add +17.1% 160,138 $1.6M
Mariner, LLC 0.00% Add +70.9% 145,045 $1.4M
Bank of America Corp. 0.00% Reduce -47.6% 138,341 $1.4M
AQR Capital Management 0.00% Reduce -2.2% 137,792 $1.3M
Quantinno Capital Management LP 0.00% Add +54.6% 135,446 $1.3M
Wells Fargo & Company 0.00% Add +45.0% 129,448 $1.3M
Barclays PLC 0.00% Add +46.6% 122,210 $1.2M
Citadel Advisors 0.00% Reduce -64.8% 119,311 $1.2M
UBS Group AG 0.00% Reduce -85.0% 113,997 $1.1M
Renaissance Technologies 0.00% Reduce -28.6% 108,200 $1.1M
Prelude Capital Management, LLC 0.06% No change 87,832 $857K
Verition Fund Management LLC 0.00% New 80,062 $781K
Los Angeles Capital Management LLC 0.00% Add +32.9% 163,084 $760K
Alliancebernstein L.P. 0.00% Reduce -5.3% 76,594 $748K
Rhumbline Advisers 0.00% Reduce -6.5% 69,236 $676K
Bridgeway Capital Management, LLC 0.01% Reduce -23.1% 56,728 $554K
T. Rowe Price Associates Inc. 0.00% Add +78.3% 50,422 $493K
Virtu Financial LLC 0.02% New 50,283 $491K
BNP Paribas Financial Markets 0.00% Add +298.3% 46,884 $458K
PSP Research LLC 0.37% — 43,769 $427K
Deutsche Bank AG 0.00% Add +66.2% 41,112 $401K
LMR Partners LLP 0.01% Reduce -84.5% 40,000 $390K
Creative Planning 0.00% New 38,110 $372K
Two Sigma Advisers, LP 0.00% Add +13.7% 38,074 $372K
Fox Run Management, L.L.C. 0.06% New 37,707 $368K
Brevan Howard Capital Management LP 0.01% New 34,917 $341K
MetLife Investment Management, LLC 0.00% Reduce -0.3% 32,479 $317K
Grange Capital, LLC 0.30% New 32,000 $312K
Gsa Capital Partners LLP 0.03% New 30,913 $302K
Intech Investment Management LLC 0.00% Add +24.4% 29,303 $286K
Kera Capital Partners, Inc. 0.03% Add +0.2% 11,003 $270K
Inscription Capital, LLC 0.03% Add +30.5% 26,667 $260K
Dynamic Technology Lab Private Ltd 0.06% New 26,567 $259K
Axq Capital, LP 0.06% Add +35.8% 26,417 $258K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +1.0% 26,240 $256K
XTX Topco Ltd 0.01% Add +1.4% 24,955 $244K
Balyasny Asset Management L.P. 0.00% New 24,769 $242K
FMR LLC 0.00% Add +246.1% 23,987 $234K
Virtus Investment Advisers, LLC 0.06% New 23,153 $226K
Schonfeld Strategic Advisors LLC 0.00% New 23,028 $225K
Bank of Nova Scotia 0.00% New 20,900 $204K
Dimensional Fund Advisors LP 0.00% No change 20,516 $200K
Manufacturers Life Insurance Company, The 0.00% Add +1.8% 17,661 $172K
Ieq Capital, LLC 0.00% Add +4.1% 17,421 $170K
China Universal Asset Management Co., Ltd. 0.01% Reduce -6.7% 15,840 $155K
Police & Firemen's Retirement System of New Jersey 0.00% No change 15,340 $150K
Russell Investments Group, Ltd. 0.00% Add +134.1% 15,029 $147K
Mercer Global Advisors Inc. 0.00% New 14,908 $146K
ProShare Advisors LLC 0.00% Add +12.4% 14,627 $143K
PDT Partners, LLC 0.01% New 14,562 $142K
Banco BTG Pactual S.A. 0.02% New 14,302 $140K
Citigroup Inc. 0.00% Add +283.9% 14,070 $137K
New York State Common Retirement Fund 0.00% No change 11,767 $115K
ExodusPoint Capital Management, LP 0.00% Reduce -93.3% 11,197 $109K
Cwm, LLC 0.00% Add +0.5% 10,431 $102K
American Century Companies Inc. 0.00% Reduce -8.8% 10,322 $101K
Birchview Capital, LP 0.06% No change 10,000 $98K
Legal & General Group Plc 0.00% Reduce -6.8% 4,954 $48K
Ameritas Investment Partners, Inc. 0.00% No change 4,827 $47K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +26.1% 4,724 $46K

"% of holder's portfolio" is ALMS's weight in each manager's 13F, not the share of Alumis Inc. the manager owns.

Show all 134 holders