Optiver Holding’s Tradr 2X Long QUBT Daily ETF QUBX Stock Holding History

Optiver Holding’s Portfolio QUBX Stock Details QUBX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$148K	Buy	20,046 +15,208	+314%	+$248K	﹤0.01%	848
2025 Q4	$104K	Buy	4,838 +4,417	+1,049%	+$252K	﹤0.01%	808
2025 Q3	$44.6K	Buy	+421	New	+$45.1K	﹤0.01%	803

Other funds holding QUBX

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

Optiver Holding's QUBX Position: Q1 2026 in Review

Optiver Holding increased its Tradr 2X Long QUBT Daily ETF (QUBX) stake by 314% in Q1 2026, buying an estimated $248K and bringing the position to 20,046 shares worth $148K. The position accounts for ﹤0.01% of the portfolio, ranked #848.

Optiver Holding first reported a position in QUBX in Q3 2025 and has held it in 3 quarters since. 2 funds tracked by Wall St. Rank hold QUBX as of Q1 2026.

Optiver Holding held 20,046 shares of Tradr 2X Long QUBT Daily ETF worth $148K as of Q1 2026.
Optiver Holding bought 15,208 Tradr 2X Long QUBT Daily ETF shares in Q1 2026, an estimated $248K.
Tradr 2X Long QUBT Daily ETF made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #848 holding.
Optiver Holding first reported a position in Tradr 2X Long QUBT Daily ETF in Q3 2025 and has held it in 3 quarters since.
2 funds tracked by Wall St. Rank held Tradr 2X Long QUBT Daily ETF as of Q1 2026.

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