Jane Street
SMST

Jane Street’s Defiance Daily Target 2x Short MSTR ETF SMST Stock Holding History

Jane Street’s Portfolio SMST Stock Details SMST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$380K Buy
5,798
+2,967
+105% +$212K ﹤0.01% 8673
2025
Q4 		$263K Buy
+2,831
New +$158K ﹤0.01% 9129
2025
Q3 		– Sell
-16,343
Closed -$413K – 12036
2025
Q2 		$391K Buy
16,343
+13,138
+410% +$477K ﹤0.01% 7384
2025
Q1 		$262K Sell
3,205
-16,081
-83% -$1.66M ﹤0.01% 8026
2024
Q4 		$3.22M Buy
+19,286
New +$8.46M ﹤0.01% 3329

Other funds holding SMST

Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $3.16B AUM 19.52% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return

Jane Street's SMST Position: Q1 2026 in Review

Jane Street increased its Defiance Daily Target 2x Short MSTR ETF (SMST) stake by 105% in Q1 2026, buying an estimated $212K and bringing the position to 5,798 shares worth $380K. The position accounts for ﹤0.01% of the portfolio, ranked #8673.

Jane Street first reported a position in SMST in Q4 2024 and has held it in 5 quarters since. The position peaked at $3.22M in Q4 2024. 7 funds tracked by Wall St. Rank hold SMST as of Q1 2026.

  • Jane Street held 5,798 shares of Defiance Daily Target 2x Short MSTR ETF worth $380K as of Q1 2026.
  • Jane Street bought 2,967 Defiance Daily Target 2x Short MSTR ETF shares in Q1 2026, an estimated $212K.
  • Defiance Daily Target 2x Short MSTR ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #8673 holding.
  • Jane Street first reported a position in Defiance Daily Target 2x Short MSTR ETF in Q4 2024 and has held it in 5 quarters since.
  • Jane Street's Defiance Daily Target 2x Short MSTR ETF position peaked at $3.22M in Q4 2024.
  • 7 funds tracked by Wall St. Rank held Defiance Daily Target 2x Short MSTR ETF as of Q1 2026.

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