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

Optiver Holding’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	$1.18M	Buy	72,982 +37,208	+104%	+$2.04M	﹤0.01%	628
2026 Q1	$1.52M	Buy	35,774 +33,959	+1,871%	+$2.21M	﹤0.01%	522
2025 Q4	$151K	Sell	1,815 -1,092	-38%	-$258K	﹤0.01%	756
2025 Q3	$1.35M	Sell	2,907 -2,848	-49%	-$1.95M	﹤0.01%	435
2025 Q2	$5M	Buy	5,755 +4,567	+384%	+$3.45M	﹤0.01%	221
2025 Q1	$650K	Sell	1,188 -524	-31%	-$422K	﹤0.01%	326
2024 Q4	$1.3M	Buy	+1,712	New	+$1.85M	﹤0.01%	365

Other funds holding MSTU

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

Citadel Advisors Miami, Florida $875B AUM 40.91% 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

Optiver Holding's MSTU Position: Q2 2026 in Review

Optiver Holding increased its T-Rex 2X Long MSTR Daily Target ETF (MSTU) stake by 104% in Q2 2026, buying an estimated $2.04M and bringing the position to 72,982 shares worth $1.18M. The position accounts for ﹤0.01% of the portfolio, ranked #628.

Optiver Holding first reported a position in MSTU in Q4 2024 and has held it in 7 quarters since. The position peaked at $5M in Q2 2025. 39 funds tracked by Wall St. Rank hold MSTU as of Q2 2026.

Optiver Holding held 72,982 shares of T-Rex 2X Long MSTR Daily Target ETF worth $1.18M as of Q2 2026.
Optiver Holding bought 37,208 T-Rex 2X Long MSTR Daily Target ETF shares in Q2 2026, an estimated $2.04M.
T-Rex 2X Long MSTR Daily Target ETF made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #628 holding.
Optiver Holding first reported a position in T-Rex 2X Long MSTR Daily Target ETF in Q4 2024 and has held it in 7 quarters since.
Optiver Holding's T-Rex 2X Long MSTR Daily Target ETF position peaked at $5M in Q2 2025.
39 funds tracked by Wall St. Rank held T-Rex 2X Long MSTR Daily Target ETF as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.