Mariner
MSTX

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

Mariner’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 		$423K Buy
21,662
+13,028
+151% +$391K ﹤0.01% 2604
2025
Q4 		$332K Buy
8,634
+4,575
+113% +$497K ﹤0.01% 2753
2025
Q3 		$868K Buy
4,059
+241
+6% +$76.1K ﹤0.01% 2020
2025
Q2 		$1.54M Buy
3,818
+88
+2% +$31.3K ﹤0.01% 1502
2025
Q1 		$962K Buy
3,730
+2,800
+301% +$1.06M ﹤0.01% 1714
2024
Q4 		$327K Sell
930
-547
-37% -$387K ﹤0.01% 2548
2024
Q3 		$428K Buy
+1,477
New +$318K ﹤0.01% 2265

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
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

Mariner's MSTX Position: Q1 2026 in Review

Mariner increased its Defiance Daily Target 2x Long MSTR ETF (MSTX) stake by 151% in Q1 2026, buying an estimated $391K and bringing the position to 21,662 shares worth $423K. The position accounts for ﹤0.01% of the portfolio, ranked #2604.

Mariner first reported a position in MSTX in Q3 2024 and has held it in 7 quarters since. The position peaked at $1.54M in Q2 2025. 25 funds tracked by Wall St. Rank hold MSTX as of Q1 2026.

  • Mariner held 21,662 shares of Defiance Daily Target 2x Long MSTR ETF worth $423K as of Q1 2026.
  • Mariner bought 13,028 Defiance Daily Target 2x Long MSTR ETF shares in Q1 2026, an estimated $391K.
  • Defiance Daily Target 2x Long MSTR ETF made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2604 holding.
  • Mariner first reported a position in Defiance Daily Target 2x Long MSTR ETF in Q3 2024 and has held it in 7 quarters since.
  • Mariner's Defiance Daily Target 2x Long MSTR ETF position peaked at $1.54M in Q2 2025.
  • 25 funds tracked by Wall St. Rank held Defiance Daily Target 2x Long MSTR ETF as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.