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
$6.97
2026-10-08
Sector
Health Care
GICS
Quarterly fund activity7 increased7 reduced6 exited
Full exits: 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
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
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%Added—Q2 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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