Ken Griffin
MSTU

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

Ken Griffin’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
-49,838
Closed -$1.18M – 14429
2025
Q3 		$2.32M Buy
+49,838
New +$3.41M ﹤0.01% 5767
2025
Q1 		– Sell
-49,655
Closed -$4M – 15825
2024
Q4 		$3.77M Buy
49,655
+44,764
+915% +$4.85M ﹤0.01% 4439
2024
Q3 		$196K Buy
+4,891
New +$168K ﹤0.01% 10178

Other funds holding MSTU

Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $371B AUM 64.6% 1-Year Est. Return
CWM
Centric Wealth Management Chicago, Illinois $643M AUM 21% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $171B AUM 24.68% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return
TSS
Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return
DS
DRW Securities Chicago, Illinois $7.21B AUM 20.54% 1-Year Est. Return

Ken Griffin's MSTU Position: Q4 2025 in Review

Ken Griffin sold out of T-Rex 2X Long MSTR Daily Target ETF (MSTU) in Q4 2025, closing a stake of 49,838 shares — an estimated $1.18M sold.

Ken Griffin first reported a position in MSTU in Q3 2024 and held it in 3 quarters. The position peaked at $3.77M in Q4 2024. 31 funds tracked by Wall St. Rank hold MSTU as of Q4 2025.

  • Ken Griffin reported no remaining T-Rex 2X Long MSTR Daily Target ETF position as of Q4 2025 after selling out during the quarter.
  • Ken Griffin sold 49,838 T-Rex 2X Long MSTR Daily Target ETF shares in Q4 2025, an estimated $1.18M.
  • Ken Griffin first reported a position in T-Rex 2X Long MSTR Daily Target ETF in Q3 2024 and held it in 3 quarters.
  • Ken Griffin's T-Rex 2X Long MSTR Daily Target ETF position peaked at $3.77M in Q4 2024.
  • 31 funds tracked by Wall St. Rank held T-Rex 2X Long MSTR Daily Target ETF as of Q4 2025.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.