Jane Street
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Jane Street’s Unusual Machines UMAC Stock Holding History

Jane Street’s Portfolio UMAC Stock Details UMAC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$4.35M Buy
350,500
+77,400
+28% +$1.18M ﹤0.01% 3709
2025
Q4 		$3.48M Sell
273,100
-261,600
-49% -$3.07M ﹤0.01% 3801
2025
Q3 		$8.07M Buy
534,700
+455,500
+575% +$4.8M ﹤0.01% 2702
2025
Q2 		$679K Buy
+79,200
New +$499K ﹤0.01% 6364

Other funds holding UMAC

Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Tudor Investment Corp
Tudor Investment Corp Stamford, Connecticut $53.9B AUM 29.12% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
DKCM
Davidson Kempner Capital Management New York $7.33B AUM 56.47% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.07B AUM 56.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Jane Street's UMAC Position: Q1 2026 in Review

Jane Street reduced its Unusual Machines (UMAC) stake by 65% in Q1 2026, selling an estimated $3.05M and leaving 106,992 shares worth $1.33M. The position accounts for ﹤0.01% of the portfolio, ranked #5880.

Jane Street first reported a position in UMAC in Q4 2024 and has held it in 4 quarters since. The position peaked at $3.91M in Q4 2025. 140 funds tracked by Wall St. Rank hold UMAC as of Q1 2026.

  • Jane Street held 106,992 shares of Unusual Machines worth $1.33M as of Q1 2026.
  • Jane Street sold 200,181 Unusual Machines shares in Q1 2026, an estimated $3.05M.
  • Unusual Machines made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5880 holding.
  • Jane Street first reported a position in Unusual Machines in Q4 2024 and has held it in 4 quarters since.
  • Jane Street's Unusual Machines position peaked at $3.91M in Q4 2025.
  • 140 funds tracked by Wall St. Rank held Unusual Machines as of Q1 2026.

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