Group One Trading
MSTX

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

Group One 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 		$491K Buy
25,093
+13,866
+124% +$416K ﹤0.01% 3365
2025
Q4 		$432K Buy
+11,227
New +$1.22M ﹤0.01% 3662
2025
Q2 		– Sell
-1,885
Closed -$486K – 8791
2025
Q1 		$486K Buy
+1,885
New +$715K ﹤0.01% 3108

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
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
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return

Group One Trading's MSTX Position: Q1 2026 in Review

Group One Trading increased its Defiance Daily Target 2x Long MSTR ETF (MSTX) stake by 124% in Q1 2026, buying an estimated $416K and bringing the position to 25,093 shares worth $491K. The position accounts for ﹤0.01% of the portfolio, ranked #3365.

Group One Trading first reported a position in MSTX in Q1 2025 and has held it in 3 quarters since. 25 funds tracked by Wall St. Rank hold MSTX as of Q1 2026.

  • Group One Trading held 25,093 shares of Defiance Daily Target 2x Long MSTR ETF worth $491K as of Q1 2026.
  • Group One Trading bought 13,866 Defiance Daily Target 2x Long MSTR ETF shares in Q1 2026, an estimated $416K.
  • Defiance Daily Target 2x Long MSTR ETF made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #3365 holding.
  • Group One Trading first reported a position in Defiance Daily Target 2x Long MSTR ETF in Q1 2025 and has held it in 3 quarters since.
  • 25 funds tracked by Wall St. Rank held Defiance Daily Target 2x Long MSTR ETF as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.