Citadel Advisors
IONZ

Citadel Advisors’s Defiance Daily Target 2x Short IONQ ETF IONZ Stock Holding History

Citadel Advisors’s Portfolio IONZ Stock Details IONZ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$64K Buy
24,900
+10,536
+73% +$71.4K ﹤0.01% 12994
2026
Q1 		$358K Buy
+14,364
New +$312K ﹤0.01% 10074

Other funds holding IONZ

SG
StoneX Group New York $2.48B AUM 33.54% 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
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
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
GS
GTS Securities Miami, Florida $4.75B AUM 41.97% 1-Year Est. Return
TSS
Two Sigma Securities New York $1.16B AUM 36.23% 1-Year Est. Return
SRL
Scientech Research LLC Jersey City, New Jersey $123M AUM 198.31% 1-Year Est. Return

Citadel Advisors's IONZ Position: Q2 2026 in Review

Citadel Advisors opened a new position in Defiance Daily Target 2x Short IONQ ETF (IONZ) in Q2 2026: 82,015 shares worth $211K. The stake represents ﹤0.01% of the portfolio and ranks #11948 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in IONZ as recently as Q4 2025.

Citadel Advisors first reported a position in IONZ in Q4 2025 and has held it in 2 quarters since. The position peaked at $288K in Q4 2025. 18 funds tracked by Wall St. Rank hold IONZ as of Q2 2026.

  • Citadel Advisors held 82,015 shares of Defiance Daily Target 2x Short IONQ ETF worth $211K as of Q2 2026.
  • Defiance Daily Target 2x Short IONQ ETF was a new Citadel Advisors position in Q2 2026.
  • Defiance Daily Target 2x Short IONQ ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #11948 holding.
  • Citadel Advisors first reported a position in Defiance Daily Target 2x Short IONQ ETF in Q4 2025 and has held it in 2 quarters since.
  • Citadel Advisors's Defiance Daily Target 2x Short IONQ ETF position peaked at $288K in Q4 2025.
  • 18 funds tracked by Wall St. Rank held Defiance Daily Target 2x Short IONQ ETF as of Q2 2026.

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