Citadel Advisors
MSTU

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

Citadel Advisors’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
2026
Q1 		$1,000K Buy
235,200
+118,520
+102% +$772K ﹤0.01% 7647
2025
Q4 		$970K Sell
116,680
-74,820
-39% -$1.77M ﹤0.01% 7458
2025
Q3 		$8.9M Sell
191,500
-398,290
-68% -$27.3M ﹤0.01% 3446
2025
Q2 		$51M Buy
589,790
+108,890
+23% +$8.23M 0.01% 1231
2025
Q1 		$26.3M Buy
480,900
+173,910
+57% +$14M 0.01% 1729
2024
Q4 		$23.3M Buy
306,990
+303,090
+7,772% +$32.8M ﹤0.01% 2013
2024
Q3 		$156K Buy
+3,900
New +$134K ﹤0.01% 10516

Other funds holding MSTU

Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $289B AUM 33.63% 1-Year Est. Return
CWM
Centric Wealth Management Chicago, Illinois $501M AUM 15.27% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 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 $147B AUM 18.73% 1-Year Est. Return
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.25% 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

Citadel Advisors's MSTU Position: Q4 2025 in Review

Citadel Advisors 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.

Citadel Advisors 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.

  • Citadel Advisors reported no remaining T-Rex 2X Long MSTR Daily Target ETF position as of Q4 2025 after selling out during the quarter.
  • Citadel Advisors sold 49,838 T-Rex 2X Long MSTR Daily Target ETF shares in Q4 2025, an estimated $1.18M.
  • Citadel Advisors first reported a position in T-Rex 2X Long MSTR Daily Target ETF in Q3 2024 and held it in 3 quarters.
  • Citadel Advisors'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.