Optiver Holding’s T-Rex 2X Long Microsoft Daily Target ETF MSFX Stock Holding History

Optiver Holding’s Portfolio MSFX Stock Details MSFX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$101K	Buy	6,648 +4,209	+173%	+$84.5K	﹤0.01%	889
2025 Q4	$66.7K	Sell	2,439 -10,588	-81%	-$339K	﹤0.01%	864
2025 Q3	$455K	Buy	13,027 +4,838	+59%	+$167K	﹤0.01%	534
2025 Q2	$273K	Buy	+8,189	New	+$213K	﹤0.01%	436
2025 Q1	–	Sell	-7,579	Closed	-$199K	–	1493
2024 Q4	$199K	Buy	+7,579	New	+$207K	﹤0.01%	479

Other funds holding MSFX

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

CFD

Creative Financial Designs Kokomo, Indiana $2.1B AUM 23.1% 1-Year Est. Return

Optiver Holding's MSFX Position: Q1 2026 in Review

Optiver Holding increased its T-Rex 2X Long Microsoft Daily Target ETF (MSFX) stake by 173% in Q1 2026, buying an estimated $84.5K and bringing the position to 6,648 shares worth $101K. The position accounts for ﹤0.01% of the portfolio, ranked #889.

Optiver Holding first reported a position in MSFX in Q4 2024 and has held it in 5 quarters since. The position peaked at $455K in Q3 2025. 4 funds tracked by Wall St. Rank hold MSFX as of Q1 2026.

Optiver Holding held 6,648 shares of T-Rex 2X Long Microsoft Daily Target ETF worth $101K as of Q1 2026.
Optiver Holding bought 4,209 T-Rex 2X Long Microsoft Daily Target ETF shares in Q1 2026, an estimated $84.5K.
T-Rex 2X Long Microsoft Daily Target ETF made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #889 holding.
Optiver Holding first reported a position in T-Rex 2X Long Microsoft Daily Target ETF in Q4 2024 and has held it in 5 quarters since.
Optiver Holding's T-Rex 2X Long Microsoft Daily Target ETF position peaked at $455K in Q3 2025.
4 funds tracked by Wall St. Rank held T-Rex 2X Long Microsoft Daily Target ETF as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.