Alumis Inc. (ALMS): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ALMS · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
17
13F filers
Aggregate Value
$179.1M
Across holders
Last Price
$23.03
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity7 increased7 reduced7 exited
Full exits: FARALLON CAPITAL MANAGEMENT LLC, Point72 Asset Management, L.P., Hudson Bay Capital Management LP, CITADEL ADVISORS LLC, TUDOR INVESTMENT CORP ET AL, Rockefeller Capital Management L.P., Walleye Capital LLC
Institutional Holders of ALMS
17 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
BAKER BROS. ADVISORS LP
CIK 0001263508
Hedge Fund2.01M$56.6M31.6%0.3%Unchanged+$0Q2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund968K$27.2M15.2%0.0%Added+$11.1MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund660K$18.6M10.4%0.0%Added+$1.5MQ2 2026
ORBIMED ADVISORS LLC
CIK 0001055951
Hedge Fund548K$15.4M8.6%0.3%Unchanged+$0Q2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund486K$13.7M7.6%0.0%AddedQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund376K$10.6M5.9%0.0%Reduced$-7.9MQ2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund368K$10.4M5.8%0.0%Reduced$-694KQ2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLC
CIK 0001556921
Hedge Fund321K$9.0M5.0%0.0%Reduced$-12.1MQ2 2026
TYBOURNE CAPITAL MANAGEMENT HK LTD
CIK 0001553936
Hedge Fund1.40M$5.6M3.1%18.0%Unchanged+$0Q3 2025
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund146K$4.1M2.3%0.0%Reduced$-19.4MQ2 2026
BAKER BROS. ADVISORS LPUnchanged
Hedge Fund
$56.6M· 31.6% of total· 0.3% port· 2.01M sh· +$0 QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$27.2M· 15.2% of total· 0.0% port· 968K sh· +$11.1M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$18.6M· 10.4% of total· 0.0% port· 660K sh· +$1.5M QoQ· Q2 2026
ORBIMED ADVISORS LLCUnchanged
Hedge Fund
$15.4M· 8.6% of total· 0.3% port· 548K sh· +$0 QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$13.7M· 7.6% of total· 0.0% port· 486K sh· QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$10.6M· 5.9% of total· 0.0% port· 376K sh· $-7.9M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$10.4M· 5.8% of total· 0.0% port· 368K sh· $-694K QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$9.0M· 5.0% of total· 0.0% port· 321K sh· $-12.1M QoQ· Q2 2026
TYBOURNE CAPITAL MANAGEMENT HK LTDUnchanged
Hedge Fund
$5.6M· 3.1% of total· 18.0% port· 1.40M sh· +$0 QoQ· Q3 2025
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$4.1M· 2.3% of total· 0.0% port· 146K sh· $-19.4M QoQ· Q2 2026
MOORE CAPITAL MANAGEMENT, LPAdded
Hedge Fund
$3.8M· 2.1% of total· 0.1% port· 137K sh· +$2.7M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$1.3M· 0.7% of total· 0.0% port· 48K sh· $-1.9M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCAdded
Hedge Fund
$1.2M· 0.7% of total· 0.0% port· 43K sh· QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$657K· 0.4% of total· 0.0% port· 23K sh· $-1.5M QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$417K· 0.2% of total· 0.0% port· 15K sh· $-359K QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$237K· 0.1% of total· 0.0% port· 8K sh· QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$193K· 0.1% of total· 0.0% port· 7K sh· QoQ· Q2 2026
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