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 Q2	$572K	Buy	39,026 +32,378	+487%	+$577K	﹤0.01%	732
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 $875B AUM 40.89% 1-Year Est. Return

IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return

Group One Trading Chicago, Illinois $71.1B AUM 128.96% 1-Year Est. Return

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

CFD

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

Optiver Holding's MSFX Position: Q2 2026 in Review

Optiver Holding increased its T-Rex 2X Long Microsoft Daily Target ETF (MSFX) stake by 487% in Q2 2026, buying an estimated $577K and bringing the position to 39,026 shares worth $572K. The position accounts for ﹤0.01% of the portfolio, ranked #732.

Optiver Holding first reported a position in MSFX in Q4 2024 and has held it in 6 quarters since. 6 funds tracked by Wall St. Rank hold MSFX as of Q2 2026.

Optiver Holding held 39,026 shares of T-Rex 2X Long Microsoft Daily Target ETF worth $572K as of Q2 2026.
Optiver Holding bought 32,378 T-Rex 2X Long Microsoft Daily Target ETF shares in Q2 2026, an estimated $577K.
T-Rex 2X Long Microsoft Daily Target ETF made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #732 holding.
Optiver Holding first reported a position in T-Rex 2X Long Microsoft Daily Target ETF in Q4 2024 and has held it in 6 quarters since.
6 funds tracked by Wall St. Rank held T-Rex 2X Long Microsoft Daily Target ETF as of Q2 2026.

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