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
Q1
$1.99M Buy
90,400
+13,800
+18% +$345K ﹤0.01% 5102
2025
Q4
$748K Buy
+76,600
New +$535K ﹤0.01% 6792
2025
Q3
Sell
-426,700
Closed -$1.28M 12018
2025
Q2
$1.28M Buy
+426,700
New +$2.02M ﹤0.01% 5170

Other funds holding ALMS

Jane Street's ALMS Position: Q1 2026 in Review

Jane Street sold out of Alumis Inc (ALMS) in Q1 2026, closing a stake of 173,833 shares — an estimated $4.35M sold.

Jane Street first reported a position in ALMS in Q2 2024 and held it in 5 quarters. The position peaked at $1.7M in Q4 2025. 195 funds tracked by Wall St. Rank hold ALMS as of Q1 2026.

  • Jane Street reported no remaining Alumis Inc position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 173,833 Alumis Inc shares in Q1 2026, an estimated $4.35M.
  • Jane Street first reported a position in Alumis Inc in Q2 2024 and held it in 5 quarters.
  • Jane Street's Alumis Inc position peaked at $1.7M in Q4 2025.
  • 195 funds tracked by Wall St. Rank held Alumis Inc as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.