Ticker · CUSIP 022307102

ALMS

ALUMIS INC
Healthcare·Biotechnology
···Share
Holders (tracked)
10
Combined shares
2,333,402
Combined value
$22.77M
Last close
$24.99
Quarter
2025Q4
Price · 1Y$24.99+19.99 (+399.80%)H $29.98 · L $2.80 · Avg Vol 1.4M
Position opened
$10.00$20.00$30.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 7.
1042024Q22025Q4
Price is +156.0% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

14 events
  1. Ken Griffin (Citadel Advisors) trimmed2026-02-17
    −219,940 shares · 2025Q4
    Position
  2. D.E. Shaw & Co. opened position2026-02-17
    +231,747 shares · 2025Q4
    Position
  3. Two Sigma Investments added2026-02-17
    +212,135 shares · 2025Q4
    Position
  4. Izzy Englander (Millennium Mgmt) added2026-02-17
    +834,089 shares · 2025Q4
    Position
  5. T. Rowe Price added2026-02-17
    +22,148 shares · 2025Q4
    Position
  6. Wellington Management added2026-02-17
    +3,590 shares · 2025Q4
    Position
  7. AQR Capital Management trimmed2026-02-17
    −3,125 shares · 2025Q4
    Position
  8. Renaissance Technologies trimmed2026-02-12
    −43,368 shares · 2025Q4
    Position
  9. AQR Capital Management added2025-11-14
    +114,803 shares · 2025Q3
    Position
  10. Wellington Management opened position2025-11-14
    +165,503 shares · 2025Q3
    Position
  11. Two Sigma Investments opened position2025-11-14
    +86,084 shares · 2025Q3
    Position
  12. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −184,056 shares · 2025Q3
    Position
  13. Renaissance Technologies trimmed2025-11-13
    −75,247 shares · 2025Q3
    Position
  14. Norges Bank (Norway SWF) trimmed2025-11-12
    −23,692 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for ALMS →
Follow-the-investor returns
If you'd copied each holder of ALMS…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Renaissance Technologies2025Q2$3.00+733.0%$2.7M
AQR Capital Management2025Q2$3.81+556.5%$3.4M
Ken Griffin (Citadel Advisors)2024Q2$4.00+524.3%$537K
Ken Griffin (Citadel Advisors)2024Q2$4.00+524.3%$537K
Ken Griffin (Citadel Advisors)2024Q2$4.00+524.3%$537K
Wellington Management2025Q3$4.11+507.7%$4.2M
T. Rowe Price2025Q2$5.98+317.9%$1.3M
Two Sigma Investments2024Q2$8.43+196.5%$7.5M
Izzy Englander (Millennium Mgmt)2024Q2$9.34+167.7%$28.8M
D.E. Shaw & Co.2025Q4$9.76+156.0%$5.8M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to4
Trimmed3
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2024Q2
4
$7.2M
2024Q3
2
$2.9M
2024Q4
2
$1.8M
2025Q1
1
$66K
2025Q2
7
$3.6M
2025Q3
9
$5.7M
2025Q4
10
$22.8M

Who owns ALMS

10 super-investors · 2025Q4
Tracked stake
2.33M
shares
Combined value
$23M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added4Trim5
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
1.15M$11M
2Two Sigma Investments298.2K$3M
3D.E. Shaw & Co.231.7K$2M
4Wellington Management169.1K$2M
5AQR Capital Management137.8K$1M
6Ken Griffin
Citadel Advisors
119.3K$1M
7Renaissance Technologies108.2K$1M
8T. Rowe Price50.4K$493K
9Ken Griffin
Citadel Advisors
46.0K$449K
10Ken Griffin
Citadel Advisors
21.5K$210K

Recent moves

20 transactions
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