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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, Q3 2025

Institutional positions in Alumis Inc. as of Sep 30, 2025. 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
130
+18 vs. Q2 2025
Shares held
78.0M
−331.5K (−0.4%) vs. Q2 2025
Total value
$311.2M
+$76.2M (+32.4%) vs. Q2 2025
New holders
33
37 more added
Sold out
15
31 more reduced

Compare with Q2 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.

Institutional holdersQ3 2025: 130 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 29 institutionsQ3 2024: 52 institutionsQ4 2024: 64 institutionsQ1 2025: 72 institutionsQ2 2025: 112 institutionsQ3 2025: 130 institutionsQ4 2025: 134 institutionsQ1 2026: 197 institutionsQ2 2026: 198 institutions
Value heldQ3 2025: $312.3M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $380.0MQ3 2024: $376.4MQ4 2024: $316.5MQ1 2025: $246.8MQ2 2025: $235.0MQ3 2025: $312.3MQ4 2025: $771.1MQ1 2026: $2.53BQ2 2026: $3.32B
Institutions holding ALMS and their total value by quarter
QuarterHoldersValue
Q2 2026198$3.32B
Q1 2026197$2.53B
Q4 2025134$771.1M
Q3 2025130$312.3M
Q2 2025112$235.0M
Q1 202572$246.8M
Q4 202464$316.5M
Q3 202452$376.4M
Q2 202429$380.0M
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Alumis Inc.; share changes are against Q2 2025.

Institutions holding ALMS in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
AyurMaya Capital Management Company, LP15,139,706$60.4M100.00%−10.0%Reduced
Foresite Capital Management V, LLC5,779,348$23.1M21.21%00.0%Unchanged
Samsara BioCapital, LLC4,801,370$19.2M2.50%00.0%Unchanged
venBio Partners LLC4,619,803$18.4M10.45%00.0%Unchanged
Foresite Capital Management VI LLC4,247,670$16.9M6.55%00.0%Unchanged
BlackRock, Inc.4,193,077$16.7M0.00%+17,364+0.4%Added
Vanguard Group Inc4,029,615$16.1M0.00%+625,404+18.4%Added
Trium Capital LLP3,122,111$12.5M4.89%+474,072+17.9%Added
Nextech Invest, Ltd.2,915,998$11.6M1.77%00.0%Unchanged
Cormorant Asset Management, LP2,147,396$8.57M0.59%00.0%Unchanged
Sr One Capital Management, LP1,959,896$7.82M1.13%00.0%Unchanged
OrbiMed Advisors LLC1,926,423$7.69M0.18%00.0%Unchanged
Woodline Partners LP1,751,150$6.99M0.03%+1,558,660+809.7%Added
Baker Bros. Advisors LP1,562,500$6.23M0.05%00.0%Unchanged
Tybourne Capital Management (HK) Ltd1,399,250$5.58M18.05%00.0%Unchanged
Geode Capital Management, LLC1,393,286$5.56M0.00%+225,454+19.3%Added
General Atlantic LLC1,297,530$5.18M0.16%00.0%Unchanged
BML Capital Management, LLC1,210,415$4.83M4.44%00.0%Unchanged
Tang Capital Management LLC1,167,009$4.66M0.18%−829,788−41.6%Reduced
State Street Corp1,101,886$4.40M0.00%−7,205−0.6%Reduced
Velan Capital Investment Management LP946,683$3.78M3.55%−674,163−41.6%Reduced
Fan Yu789,618$3.15M4.10%00.0%Unchanged
UBS Group AG762,675$3.04M0.00%−444,880−36.8%Reduced
Opaleye Management Inc.665,000$2.65M0.38%−110,000−14.2%Reduced
Omega Fund Management, LLC653,223$2.61M1.17%00.0%Unchanged
Towerview LLC495,000$1.98M1.44%00.0%Unchanged
Charles Schwab Investment Management Inc491,002$1.96M0.00%+112,152+29.6%Added
Northern Trust Corp438,972$1.75M0.00%+60,666+16.0%Added
Madison Avenue Partners, LP417,777$1.67M0.10%−1,424,492−77.3%Reduced
Goldman Sachs Group Inc417,080$1.66M0.00%+284,970+215.7%Added
Susquehanna International Group, LLP362,645$1.45M0.00%−246,420−40.5%Reduced
Citadel Advisors LLC339,251$1.35M0.00%+232,176+216.8%Added
Morgan Stanley332,406$1.33M0.00%−6,693−2.0%Reduced
Millennium Management LLC317,029$1.26M0.00%−184,056−36.7%Reduced
Stonepine Capital Management, LLC300,000$1.20M0.97%−49,615−14.2%Reduced
Exome Asset Management LLC292,770$1.17M0.77%+292,770New
JPMorgan Chase & Co268,667$1.07M0.00%−23,514−8.0%Reduced
Bank of America Corp263,917$1.05M0.00%+222,224+533.0%Added
LMR Partners LLP258,442$1.03M0.01%+25,500+10.9%Added
Credit Industriel Et Commercial247,002$985.5K0.16%−140,000−36.2%Reduced
Stifel Financial Corp209,729$836.8K0.00%+600.0%Added
ExodusPoint Capital Management, LP166,771$665.4K0.01%+122,549+277.1%Added
Wellington Management Group LLP165,503$660.4K0.00%+165,503New
Susquehanna Portfolio Strategies, LLC158,757$633.4K0.01%+158,757New
Renaissance Technologies LLC151,568$604.8K0.00%−75,247−33.2%Reduced
AQR Capital Management LLC140,917$562.3K0.00%+114,803+439.6%Added
Bank of New York Mellon Corp136,712$545.5K0.00%+13,935+11.3%Added
Invesco Ltd.129,569$517.0K0.00%+26,711+26.0%Added
Los Angeles Capital Management LLC122,701$489.6K0.00%00.0%Unchanged
Nuveen, LLC100,735$401.9K0.00%−23,046−18.6%Reduced
Wells Fargo & Company89,266$356.2K0.00%+30,875+52.9%Added
Prelude Capital Management, LLC87,832$350.4K0.03%+76,825+698.0%Added
Quantinno Capital Management LP87,608$349.6K0.00%+87,608New
Two Sigma Investments, LP86,084$343.5K0.00%+86,084New
Mariner, LLC84,873$338.6K0.00%+54,269+177.3%Added
Barclays PLC83,368$332.6K0.00%−6,692−7.4%Reduced
Alliancebernstein L.P.80,900$322.8K0.00%−7,400−8.4%Reduced
Walleye Capital LLC77,550$309.4K0.00%+77,550New
Rhumbline Advisers74,029$295.4K0.00%+4,430+6.4%Added
Bridgeway Capital Management, LLC73,728$294.2K0.01%00.0%Unchanged
Blair William & Co66,719$266.2K0.00%00.0%Unchanged
ADAR1 Capital Management, LLC61,291$244.6K0.02%+23,503+62.2%Added
Jacobs Levy Equity Management, Inc40,162$160.2K0.00%+40,162New
Two Sigma Advisers, LP33,474$133.6K0.00%+33,474New
Royal Bank of Canada32,748$131.0K0.00%+28,002+590.0%Added
MetLife Investment Management32,589$130.0K0.00%+32,589New
Stoneridge Investment Partners LLC29,535$118.0K0.08%+2,210+8.1%Added
Price T Rowe Associates Inc28,274$113.0K0.00%00.0%Unchanged
Jane Street Group, LLC27,109$108.2K0.00%−83,935−75.6%Reduced
Mirae Asset Global ETFs Holdings Ltd.25,971$103.6K0.00%−410−1.6%Reduced
Deutsche Bank AG24,736$98.7K0.00%−2,333−8.6%Reduced
XTX Topco Ltd24,612$98.2K0.01%+24,612New
Atom Investors LP24,176$96.5K0.01%+24,176New
STRS Ohio23,826$95.1K0.00%00.0%Unchanged
Intech Investment Management LLC23,546$93.9K0.00%−7,789−24.9%Reduced
Group One Trading, L.P.22,583$90.1K0.00%−47,232−67.7%Reduced
PharVision Advisers, LLC20,693$82.6K0.05%+20,693New
Dimensional Fund Advisors LP20,516$81.9K0.00%−1,024−4.8%Reduced
Inscription Capital, LLC20,434$81.5K0.01%+20,434New
Sig Brokerage, LP19,808$79.0K0.02%00.0%Unchanged
Axq Capital, LP19,452$77.6K0.03%+19,452New
Manufacturers Life Insurance Company, The17,343$69.2K0.00%−1,465−7.8%Reduced
China Universal Asset Management Co., Ltd.16,982$67.8K0.01%−2,215−11.5%Reduced
Ieq Capital, LLC16,731$66.8K0.00%+16,731New
Police & Firemen's Retirement System of New Jersey15,340$61.2K0.00%+4,587+42.7%Added
SRS Capital Advisors, Inc.13,660$54.5K0.00%+13,660New
ProShare Advisors LLC13,009$51.9K0.00%−452−3.4%Reduced
Western Wealth Management, LLC12,035$48.0K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA11,770$47.0K0.00%+6,027+104.9%Added
New York State Common Retirement Fund11,767$47.0K0.00%00.0%Unchanged
American Century Companies Inc11,314$45.1K0.00%−23,933−67.9%Reduced
Kera Capital Partners, Inc.10,977$43.8K0.01%+451+4.3%Added
CWM, LLC10,384$41.0K0.00%+9,464+1,028.7%Added
Birchview Capital, LP10,000$39.9K0.03%00.0%Unchanged
Simplex Trading, LLC8,837$35.0K0.00%−82,861−90.4%Reduced
FMR LLC6,931$27.7K0.00%+2,091+43.2%Added
Russell Investments Group, Ltd.6,419$25.6K0.00%+4,894+320.9%Added
Legal & General Group Plc5,316$21.2K0.00%+969+22.3%Added
Ameritas Investment Partners, Inc.4,827$19.3K0.00%00.0%Unchanged
Quarry LP3,938$15.7K0.00%+3,938New