Optiver Holding’s Defiance Daily Target 2x Short RKLB ETF RKLZ Stock Holding History

Optiver Holding’s Portfolio RKLZ Stock Details RKLZ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-3,515	Closed	-$145K	–	2852
2025 Q4	$145K	Buy	+3,515	New	+$359K	﹤0.01%	764

Other funds holding RKLZ

Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

StoneX Group New York $1.86B AUM 21.3% 1-Year Est. Return

TRCT

Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return

Optiver Holding's RKLZ Position: Q1 2026 in Review

Optiver Holding sold out of Defiance Daily Target 2x Short RKLB ETF (RKLZ) in Q1 2026, closing a stake of 3,515 shares — an estimated $145K sold.

Optiver Holding first reported a position in RKLZ in Q4 2025 and held it in 1 quarter. The position peaked at $145K in Q4 2025. 4 funds tracked by Wall St. Rank hold RKLZ as of Q1 2026.

Optiver Holding reported no remaining Defiance Daily Target 2x Short RKLB ETF position as of Q1 2026 after selling out during the quarter.
Optiver Holding sold 3,515 Defiance Daily Target 2x Short RKLB ETF shares in Q1 2026, an estimated $145K.
Optiver Holding first reported a position in Defiance Daily Target 2x Short RKLB ETF in Q4 2025 and held it in 1 quarter.
Optiver Holding's Defiance Daily Target 2x Short RKLB ETF position peaked at $145K in Q4 2025.
4 funds tracked by Wall St. Rank held Defiance Daily Target 2x Short RKLB ETF as of Q1 2026.

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