Optiver Holding
RKLX

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

Optiver Holding’s Portfolio RKLX Stock Details RKLX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$674K Buy
26,364
+13,189
+100% +$557K ﹤0.01% 606
2025
Q4 		$524K Buy
+13,175
New +$484K ﹤0.01% 571
2025
Q3 		– Sell
-31,677
Closed -$609K – 2918
2025
Q2 		$609K Buy
+31,677
New +$322K ﹤0.01% 355

Other funds holding RKLX

Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $278B AUM 44.93% 1-Year Est. Return
SG
StoneX Group New York $1.86B AUM 21.3% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Belvedere Trading
Belvedere Trading Chicago, Illinois $84.4B AUM 52.68% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Optiver Holding's RKLX Position: Q1 2026 in Review

Optiver Holding increased its Defiance Daily Target 2X Long RKLB ETF (RKLX) stake by 100% in Q1 2026, buying an estimated $557K and bringing the position to 26,364 shares worth $674K. The position accounts for ﹤0.01% of the portfolio, ranked #606.

Optiver Holding first reported a position in RKLX in Q2 2025 and has held it in 3 quarters since. 9 funds tracked by Wall St. Rank hold RKLX as of Q1 2026.

  • Optiver Holding held 26,364 shares of Defiance Daily Target 2X Long RKLB ETF worth $674K as of Q1 2026.
  • Optiver Holding bought 13,189 Defiance Daily Target 2X Long RKLB ETF shares in Q1 2026, an estimated $557K.
  • Defiance Daily Target 2X Long RKLB ETF made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #606 holding.
  • Optiver Holding first reported a position in Defiance Daily Target 2X Long RKLB ETF in Q2 2025 and has held it in 3 quarters since.
  • 9 funds tracked by Wall St. Rank held Defiance Daily Target 2X Long RKLB ETF as of Q1 2026.

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