Citadel Advisors
RKLZ

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

Citadel Advisors’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
Q2 		$125K Buy
9,936
+6,506
+190% +$265K ﹤0.01% 12501
2026
Q1 		$416K Buy
+3,430
New +$445K ﹤0.01% 9741

Other funds holding RKLZ

Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $12.4B AUM 62.79% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $371B AUM 64.6% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
SG
StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return
TSS
Two Sigma Securities New York $1.16B AUM 36.23% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $2.43B AUM 44.44% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return

Citadel Advisors's RKLZ Position: Q2 2026 in Review

Citadel Advisors increased its Defiance Daily Target 2x Short RKLB ETF (RKLZ) stake by 190% in Q2 2026, buying an estimated $265K and bringing the position to 9,936 shares worth $125K. The position accounts for ﹤0.01% of the portfolio, ranked #12501.

Citadel Advisors first reported a position in RKLZ in Q1 2026 and has held it in 2 quarters since. The position peaked at $416K in Q1 2026. 13 funds tracked by Wall St. Rank hold RKLZ as of Q2 2026.

  • Citadel Advisors held 9,936 shares of Defiance Daily Target 2x Short RKLB ETF worth $125K as of Q2 2026.
  • Citadel Advisors bought 6,506 Defiance Daily Target 2x Short RKLB ETF shares in Q2 2026, an estimated $265K.
  • Defiance Daily Target 2x Short RKLB ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #12501 holding.
  • Citadel Advisors first reported a position in Defiance Daily Target 2x Short RKLB ETF in Q1 2026 and has held it in 2 quarters since.
  • Citadel Advisors's Defiance Daily Target 2x Short RKLB ETF position peaked at $416K in Q1 2026.
  • 13 funds tracked by Wall St. Rank held Defiance Daily Target 2x Short RKLB ETF as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.