Ken Griffin
MSTX

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

Ken Griffin’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 		$3.41M Buy
174,350
+81,640
+88% +$2.45M ﹤0.01% 5010
2025
Q4 		$3.57M Buy
92,710
+15,810
+21% +$1.72M ﹤0.01% 4850
2025
Q3 		$16.4M Buy
76,900
+11,980
+18% +$3.78M ﹤0.01% 2584
2025
Q2 		$26.2M Sell
64,920
-2,390
-4% -$849K ﹤0.01% 1828
2025
Q1 		$17.4M Buy
67,310
+3,100
+5% +$1.18M ﹤0.01% 2195
2024
Q4 		$22.6M Buy
64,210
+49,870
+348% +$35.3M ﹤0.01% 2041
2024
Q3 		$4.16M Buy
+14,340
New +$3.08M ﹤0.01% 4249

Other funds holding MSTX

SG
StoneX Group New York $2.48B AUM 33.54% 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 $72.6B AUM 54.88% 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
Mariner
Mariner Overland Park, Kansas $95.2B AUM 32.92% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $371B AUM 64.6% 1-Year Est. Return
GFG
Genesis Financial Group Paramus, New Jersey $158M AUM

Ken Griffin's MSTX Position: Q3 2025 in Review

Ken Griffin sold out of Defiance Daily Target 2x Long MSTR ETF (MSTX) in Q3 2025, closing a stake of 11,463 shares — an estimated $3.62M sold.

Ken Griffin first reported a position in MSTX in Q3 2024 and held it in 4 quarters. The position peaked at $14.9M in Q4 2024. 26 funds tracked by Wall St. Rank hold MSTX as of Q3 2025.

  • Ken Griffin reported no remaining Defiance Daily Target 2x Long MSTR ETF position as of Q3 2025 after selling out during the quarter.
  • Ken Griffin sold 11,463 Defiance Daily Target 2x Long MSTR ETF shares in Q3 2025, an estimated $3.62M.
  • Ken Griffin first reported a position in Defiance Daily Target 2x Long MSTR ETF in Q3 2024 and held it in 4 quarters.
  • Ken Griffin's Defiance Daily Target 2x Long MSTR ETF position peaked at $14.9M in Q4 2024.
  • 26 funds tracked by Wall St. Rank held Defiance Daily Target 2x Long MSTR ETF as of Q3 2025.

Based on Citadel Advisors's 13F filing for Q3 2025, filed 14 Nov 2025.