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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, Q2 2025

Institutional positions in Alumis Inc. as of Jun 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
112
+40 vs. Q1 2025
Shares held
78.3M
+38.1M (+94.8%) vs. Q1 2025
Total value
$235.0M
−$11.9M (−4.8%) vs. Q1 2025
New holders
53
49 more added
Sold out
13
2 more reduced

Compare with Q1 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 holdersQ2 2025: 112 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 heldQ2 2025: $235.0M
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: $376.1MQ4 2024: $316.5MQ1 2025: $246.8MQ2 2025: $235.0MQ3 2025: $311.2MQ4 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$311.2M
Q2 2025112$235.0M
Q1 202572$246.8M
Q4 202464$316.5M
Q3 202452$376.1M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Alumis Inc.; share changes are against Q1 2025.

Institutions holding ALMS in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sr One Capital Management, LP1,959,896$5.88M1.27%00.0%Unchanged
Tang Capital Management LLC1,996,797$5.99M0.30%+1,996,797New
Cormorant Asset Management, LP2,147,396$6.44M0.48%00.0%Unchanged
Trium Capital LLP2,648,039$7.94M1.98%+2,648,039New
Nextech Invest, Ltd.2,915,998$8.75M1.66%+1,439,000+97.4%Added
Vanguard Group Inc3,404,211$10.2M0.00%+2,467,015+263.2%Added
BlackRock, Inc.4,175,713$12.5M0.00%+2,717,986+186.5%Added
Foresite Capital Management VI LLC4,247,670$12.7M7.16%+45,000+1.1%Added
venBio Partners LLC4,619,803$13.9M12.08%+1,832,405+65.7%Added
Samsara BioCapital, LLC4,801,370$14.4M2.95%+1,534,872+47.0%Added
Foresite Capital Management V, LLC5,779,348$17.3M21.48%00.0%Unchanged
AyurMaya Capital Management Company, LP15,139,707$45.4M100.00%+4,493,741+42.2%Added
Squarepoint Ops LLC0$00.00%−24,150−100.0%Sold out
Marshall Wace, LLP0$00.00%−19,000−100.0%Sold out
XTX Topco Ltd0$00.00%−18,374−100.0%Sold out
Scientech Research LLC0$00.00%−13,566−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−11,630−100.0%Sold out
Two Sigma Investments, LP0$00.00%−10,700−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−10,658−100.0%Sold out
UBS Asset Management Americas Inc0$00.00%−3,500−100.0%Sold out
California State Teachers Retirement System0$00.00%−981−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−236−100.0%Sold out
Comerica Bank0$00.00%−104−100.0%Sold out
Rothschild Investment LLC0$00.00%−25−100.0%Sold out
True Wealth Design, LLC0$00.00%−4−100.0%Sold out