Citadel Advisors
IONX

Citadel Advisors’s Defiance Daily Target 2X Long IONQ ETF IONX Stock Holding History

Citadel Advisors’s Portfolio IONX Stock Details IONX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.55M Buy
+30,530
New +$1.69M ﹤0.01% 7121
2026
Q1 		– Sell
-10,467
Closed -$681K – 14663
2025
Q4 		$681K Buy
+10,467
New +$1.36M ﹤0.01% 8261

Other funds holding IONX

SG
StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $71.1B AUM 128.96% 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
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
MA
MYDA Advisors Woodmere, New York $672M AUM 71.14% 1-Year Est. Return
UB
UMB Bank Kansas City, Missouri $7.9B AUM 29.3% 1-Year Est. Return

Citadel Advisors's IONX Position: Q2 2026 in Review

Citadel Advisors opened a new position in Defiance Daily Target 2X Long IONQ ETF (IONX) in Q2 2026: 24,736 shares worth $1.26M. The stake represents ﹤0.01% of the portfolio and ranks #7638 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in IONX as recently as Q4 2025.

Citadel Advisors first reported a position in IONX in Q1 2025 and has held it in 3 quarters since. 13 funds tracked by Wall St. Rank hold IONX as of Q2 2026.

  • Citadel Advisors held 24,736 shares of Defiance Daily Target 2X Long IONQ ETF worth $1.26M as of Q2 2026.
  • Defiance Daily Target 2X Long IONQ ETF was a new Citadel Advisors position in Q2 2026.
  • Defiance Daily Target 2X Long IONQ ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #7638 holding.
  • Citadel Advisors first reported a position in Defiance Daily Target 2X Long IONQ ETF in Q1 2025 and has held it in 3 quarters since.
  • 13 funds tracked by Wall St. Rank held Defiance Daily Target 2X Long IONQ ETF as of Q2 2026.

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