Optiver Holding’s T-REX 2X Long RBLX Daily Target ETF RBLU Stock Holding History

Optiver Holding’s Portfolio RBLU Stock Details RBLU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$648K	Buy	72,595 +51,025	+237%	+$436K	﹤0.01%	710
2026 Q1	$255K	Buy	21,570 +13,833	+179%	+$259K	﹤0.01%	766
2025 Q4	$225K	Sell	7,737 -3,800	-33%	-$214K	﹤0.01%	687
2025 Q3	$1.15M	Buy	11,537 +6,469	+128%	+$545K	﹤0.01%	450
2025 Q2	$325K	Buy	5,068 +4,412	+673%	+$168K	﹤0.01%	419
2025 Q1	$14K	Buy	+656	New	+$14.3K	﹤0.01%	801

Other funds holding RBLU

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

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

TRCT

Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Optiver Holding's RBLU Position: Q2 2026 in Review

Optiver Holding increased its T-REX 2X Long RBLX Daily Target ETF (RBLU) stake by 237% in Q2 2026, buying an estimated $436K and bringing the position to 72,595 shares worth $648K. The position accounts for ﹤0.01% of the portfolio, ranked #710.

Optiver Holding first reported a position in RBLU in Q1 2025 and has held it in 6 quarters since. The position peaked at $1.15M in Q3 2025. 5 funds tracked by Wall St. Rank hold RBLU as of Q2 2026.

Optiver Holding held 72,595 shares of T-REX 2X Long RBLX Daily Target ETF worth $648K as of Q2 2026.
Optiver Holding bought 51,025 T-REX 2X Long RBLX Daily Target ETF shares in Q2 2026, an estimated $436K.
T-REX 2X Long RBLX Daily Target ETF made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #710 holding.
Optiver Holding first reported a position in T-REX 2X Long RBLX Daily Target ETF in Q1 2025 and has held it in 6 quarters since.
Optiver Holding's T-REX 2X Long RBLX Daily Target ETF position peaked at $1.15M in Q3 2025.
5 funds tracked by Wall St. Rank held T-REX 2X Long RBLX Daily Target ETF as of Q2 2026.

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