Simplex Trading
MSTX

Simplex Trading’s Defiance Daily Target 2x Long MSTR ETF MSTX Stock Holding History

Simplex Trading’s Portfolio MSTX Stock Details MSTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-9,820
Closed -$378K – 10384
2025
Q4 		$378K Buy
+9,820
New +$1.07M ﹤0.01% 3585
2025
Q2 		– Sell
-6,012
Closed -$1.55M – 9936
2025
Q1 		$1.55M Sell
6,012
-63,723
-91% -$24.2M ﹤0.01% 2274
2024
Q4 		$24.5M Buy
69,735
+67,890
+3,680% +$48.1M 0.01% 530
2024
Q3 		$535K Buy
+1,845
New +$397K ﹤0.01% 3522

Other funds holding MSTX

SG
StoneX Group New York $1.86B AUM 21.3% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $3.16B AUM 19.52% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return
Mariner
Mariner Overland Park, Kansas $85.7B AUM 24.21% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
GFG
Genesis Financial Group Paramus, New Jersey $158M AUM

Simplex Trading's MSTX Position: Q1 2026 in Review

Simplex Trading sold out of Defiance Daily Target 2x Long MSTR ETF (MSTX) in Q1 2026, closing a stake of 9,820 shares — an estimated $378K sold.

Simplex Trading first reported a position in MSTX in Q3 2024 and held it in 4 quarters. The position peaked at $24.5M in Q4 2024. 25 funds tracked by Wall St. Rank hold MSTX as of Q1 2026.

  • Simplex Trading reported no remaining Defiance Daily Target 2x Long MSTR ETF position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 9,820 Defiance Daily Target 2x Long MSTR ETF shares in Q1 2026, an estimated $378K.
  • Simplex Trading first reported a position in Defiance Daily Target 2x Long MSTR ETF in Q3 2024 and held it in 4 quarters.
  • Simplex Trading's Defiance Daily Target 2x Long MSTR ETF position peaked at $24.5M in Q4 2024.
  • 25 funds tracked by Wall St. Rank held Defiance Daily Target 2x Long MSTR ETF as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.