Jane Street’s Firefly Aerospace FLY Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$22.7M Buy
796,800
+668,600
+522% +$16.3M ﹤0.01% 1668
2025
Q4
$2.87M Buy
128,200
+49,700
+63% +$1.15M ﹤0.01% 4121
2025
Q3
$2.3M Buy
+78,500
New +$3.53M ﹤0.01% 4669

Other funds holding FLY

Jane Street's FLY Position: Q4 2025 in Review

Jane Street sold out of Firefly Aerospace (FLY) in Q4 2025, closing a stake of 86,657 shares — an estimated $2.01M sold.

Jane Street first reported a position in FLY in Q3 2025 and held it in 1 quarter. The position peaked at $2.54M in Q3 2025. 147 funds tracked by Wall St. Rank hold FLY as of Q4 2025.

  • Jane Street reported no remaining Firefly Aerospace position as of Q4 2025 after selling out during the quarter.
  • Jane Street sold 86,657 Firefly Aerospace shares in Q4 2025, an estimated $2.01M.
  • Jane Street first reported a position in Firefly Aerospace in Q3 2025 and held it in 1 quarter.
  • Jane Street's Firefly Aerospace position peaked at $2.54M in Q3 2025.
  • 147 funds tracked by Wall St. Rank held Firefly Aerospace as of Q4 2025.

Based on Jane Street's 13F filing for Q4 2025, filed 12 Feb 2026.