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 Q2	$968K	Buy	+59,768	New	+$3.27M	﹤0.01%	8278
2025 Q4	–	Sell	-4,984	Closed	-$1.18M	–	14429
2025 Q3	$2.32M	Buy	+4,984	New	+$3.41M	﹤0.01%	5767
2025 Q1	–	Sell	-4,965	Closed	-$4M	–	15825
2024 Q4	$3.77M	Buy	4,965 +4,476	+915%	+$4.85M	﹤0.01%	4439
2024 Q3	$196K	Buy	+489	New	+$168K	﹤0.01%	10178

Other funds holding MSTU

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

SRL

Scientech Research LLC Jersey City, New Jersey $123M AUM 198.31% 1-Year Est. Return

SBI Securities Tokyo, Japan $4.4B AUM 74.26% 1-Year Est. Return

HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return

StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return

TSS

Two Sigma Securities New York $1.16B AUM 36.23% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Creative Planning Overland Park, Kansas $171B AUM 24.68% 1-Year Est. Return

Citadel Advisors's MSTU Position: Q2 2026 in Review

Citadel Advisors opened a new position in T-Rex 2X Long MSTR Daily Target ETF (MSTU) in Q2 2026: 59,768 shares worth $968K. The stake represents ﹤0.01% of the portfolio and ranks #8278 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in MSTU as recently as Q3 2025.

Citadel Advisors first reported a position in MSTU in Q3 2024 and has held it in 4 quarters since. The position peaked at $3.77M in Q4 2024. 39 funds tracked by Wall St. Rank hold MSTU as of Q2 2026.

Citadel Advisors held 59,768 shares of T-Rex 2X Long MSTR Daily Target ETF worth $968K as of Q2 2026.
T-Rex 2X Long MSTR Daily Target ETF was a new Citadel Advisors position in Q2 2026.
T-Rex 2X Long MSTR Daily Target ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #8278 holding.
Citadel Advisors first reported a position in T-Rex 2X Long MSTR Daily Target ETF in Q3 2024 and has held it in 4 quarters since.
Citadel Advisors's T-Rex 2X Long MSTR Daily Target ETF position peaked at $3.77M in Q4 2024.
39 funds tracked by Wall St. Rank held T-Rex 2X Long MSTR Daily Target ETF as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.