Optiver Holding’s Defiance Daily Target 2X Long BU ETF BU Stock Holding History

Optiver Holding’s Portfolio BU Stock Details BU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$550K	Buy	26,613 +19,718	+286%	+$552K	﹤0.01%	636
2025 Q4	$178K	Buy	+6,895	New	+$169K	﹤0.01%	730

Other funds holding BU

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Optiver Holding's BU Position: Q1 2026 in Review

Optiver Holding increased its Defiance Daily Target 2X Long BU ETF (BU) stake by 286% in Q1 2026, buying an estimated $552K and bringing the position to 26,613 shares worth $550K. The position accounts for ﹤0.01% of the portfolio, ranked #636.

Optiver Holding first reported a position in BU in Q4 2025 and has held it in 2 quarters since. 2 funds tracked by Wall St. Rank hold BU as of Q1 2026.

Optiver Holding held 26,613 shares of Defiance Daily Target 2X Long BU ETF worth $550K as of Q1 2026.
Optiver Holding bought 19,718 Defiance Daily Target 2X Long BU ETF shares in Q1 2026, an estimated $552K.
Defiance Daily Target 2X Long BU ETF made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #636 holding.
Optiver Holding first reported a position in Defiance Daily Target 2X Long BU ETF in Q4 2025 and has held it in 2 quarters since.
2 funds tracked by Wall St. Rank held Defiance Daily Target 2X Long BU ETF as of Q1 2026.

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