Optiver Holding’s T-REX 2X Long CIFR Daily Target ETF CIFU Stock Holding History

Optiver Holding’s Portfolio CIFU Stock Details CIFU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$189K	Sell	5,667 -13,842	-71%	-$395K	﹤0.01%	913
2026 Q1	$231K	Sell	19,509 -10,065	-34%	-$220K	﹤0.01%	781
2025 Q4	$651K	Buy	+29,574	New	+$939K	﹤0.01%	542

Other funds holding CIFU

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

FTUS

Flow Traders U.S. New York $2.43B AUM 44.44% 1-Year Est. Return

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

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

Optiver Holding's CIFU Position: Q2 2026 in Review

Optiver Holding reduced its T-REX 2X Long CIFR Daily Target ETF (CIFU) stake by 71% in Q2 2026, selling an estimated $395K and leaving 5,667 shares worth $189K. The position accounts for ﹤0.01% of the portfolio, ranked #913.

Optiver Holding first reported a position in CIFU in Q4 2025 and has held it in 3 quarters since. The position peaked at $651K in Q4 2025. 6 funds tracked by Wall St. Rank hold CIFU as of Q2 2026.

Optiver Holding held 5,667 shares of T-REX 2X Long CIFR Daily Target ETF worth $189K as of Q2 2026.
Optiver Holding sold 13,842 T-REX 2X Long CIFR Daily Target ETF shares in Q2 2026, an estimated $395K.
T-REX 2X Long CIFR Daily Target ETF made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #913 holding.
Optiver Holding first reported a position in T-REX 2X Long CIFR Daily Target ETF in Q4 2025 and has held it in 3 quarters since.
Optiver Holding's T-REX 2X Long CIFR Daily Target ETF position peaked at $651K in Q4 2025.
6 funds tracked by Wall St. Rank held T-REX 2X Long CIFR Daily Target ETF as of Q2 2026.

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