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
Q2 		$166K Sell
22,271
-2,822
-11% -$70.9K ﹤0.01% 4437
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 $2.48B AUM 33.54% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $371B AUM 64.6% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
OMC
Old Mission Capital Chicago, Illinois $6.31B AUM 20.77% 1-Year Est. Return
Mariner
Mariner Overland Park, Kansas $95.2B AUM 32.92% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $12.4B AUM 62.79% 1-Year Est. Return
HighTower Advisors
HighTower Advisors Chicago, Illinois $104B AUM 28.3% 1-Year Est. Return

Group One Trading's MSTX Position: Q2 2026 in Review

Group One Trading reduced its Defiance Daily Target 2x Long MSTR ETF (MSTX) stake by 11% in Q2 2026, selling an estimated $70.9K and leaving 22,271 shares worth $166K. The position accounts for ﹤0.01% of the portfolio, ranked #4437.

Group One Trading first reported a position in MSTX in Q1 2025 and has held it in 4 quarters since. The position peaked at $491K in Q1 2026. 22 funds tracked by Wall St. Rank hold MSTX as of Q2 2026.

  • Group One Trading held 22,271 shares of Defiance Daily Target 2x Long MSTR ETF worth $166K as of Q2 2026.
  • Group One Trading sold 2,822 Defiance Daily Target 2x Long MSTR ETF shares in Q2 2026, an estimated $70.9K.
  • Defiance Daily Target 2x Long MSTR ETF made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #4437 holding.
  • Group One Trading first reported a position in Defiance Daily Target 2x Long MSTR ETF in Q1 2025 and has held it in 4 quarters since.
  • Group One Trading's Defiance Daily Target 2x Long MSTR ETF position peaked at $491K in Q1 2026.
  • 22 funds tracked by Wall St. Rank held Defiance Daily Target 2x Long MSTR ETF as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.