Mariner
MSTU icon

Mariner’s T-Rex 2X Long MSTR Daily Target ETF MSTU Stock Holding History

Mariner’s Portfolio MSTU Stock Details MSTU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-175
Closed -$81.2K – 3850
2025
Q3 		$81.2K Sell
175
-60
-26% -$41.1K ﹤0.01% 3396
2025
Q2 		$203K Buy
+235
New +$178K ﹤0.01% 3042

Other funds holding MSTU

Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return
HRT Financial
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
CWM
Centric Wealth Management Chicago, Illinois $643M AUM 21% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $171B AUM 24.68% 1-Year Est. Return
SBI Securities
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return
SG
StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return
KA
Kovack Advisors Ft. Lauderdale, Florida $2.08B AUM 38.95% 1-Year Est. Return

Mariner's MSTU Position: Q4 2025 in Review

Mariner sold out of T-Rex 2X Long MSTR Daily Target ETF (MSTU) in Q4 2025, closing a stake of 175 shares — an estimated $81.2K sold.

Mariner first reported a position in MSTU in Q2 2025 and held it in 2 quarters. The position peaked at $203K in Q2 2025. 29 funds tracked by Wall St. Rank hold MSTU as of Q4 2025.

  • Mariner reported no remaining T-Rex 2X Long MSTR Daily Target ETF position as of Q4 2025 after selling out during the quarter.
  • Mariner sold 175 T-Rex 2X Long MSTR Daily Target ETF shares in Q4 2025, an estimated $81.2K.
  • Mariner first reported a position in T-Rex 2X Long MSTR Daily Target ETF in Q2 2025 and held it in 2 quarters.
  • Mariner's T-Rex 2X Long MSTR Daily Target ETF position peaked at $203K in Q2 2025.
  • 29 funds tracked by Wall St. Rank held T-Rex 2X Long MSTR Daily Target ETF as of Q4 2025.

Based on Mariner's 13F filing for Q4 2025, filed 13 Feb 2026.