Jane Street’s Alumis Inc ALMS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q3
$2.78M Buy
+376,825
New +$7.8M ﹤0.01% 4608
2026
Q1
– Sell
-173,833
Closed -$4.35M – 13271
2025
Q4
$1.7M Buy
173,833
+146,724
+541% +$1.02M ﹤0.01% 5125
2025
Q3
$108K Sell
27,109
-83,935
-76% -$346K ﹤0.01% 10105
2025
Q2
$333K Buy
111,044
+92,953
+514% +$439K ﹤0.01% 7678
2025
Q1
$111K Buy
+18,091
New +$105K ﹤0.01% 8758
2024
Q3
– Sell
-10,155
Closed -$135K – 10589
2024
Q2
$135K Buy
+10,155
New +$135K ﹤0.01% 8624

Other funds holding ALMS

Jane Street's ALMS Position: Q3 2026 in Review

Jane Street opened a new position in Alumis Inc (ALMS) in Q3 2026: 376,825 shares worth $2.78M. The stake represents ﹤0.01% of the portfolio and ranks #4608 among its holdings. This is a return to the name: Jane Street previously reported a position in ALMS as recently as Q4 2025.

Jane Street first reported a position in ALMS in Q2 2024 and has held it in 6 quarters since. 102 funds tracked by Wall St. Rank hold ALMS as of Q3 2026.

  • Jane Street held 376,825 shares of Alumis Inc worth $2.78M as of Q3 2026.
  • Alumis Inc was a new Jane Street position in Q3 2026.
  • Alumis Inc made up ﹤0.01% of Jane Street's portfolio in Q3 2026, its #4608 holding.
  • Jane Street first reported a position in Alumis Inc in Q2 2024 and has held it in 6 quarters since.
  • 102 funds tracked by Wall St. Rank held Alumis Inc as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.