JY
IONX

Jeff Yass’s Defiance Daily Target 2X Long IONQ ETF IONX Stock Holding History

Jeff Yass’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 		$554K Buy
+10,900
New +$603K ﹤0.01% 9675

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
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.91% 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
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

Jeff Yass's IONX Position: Q2 2026 in Review

Jeff Yass opened a new position in Defiance Daily Target 2X Long IONQ ETF (IONX) in Q2 2026: 7,097 shares worth $361K. The stake represents ﹤0.01% of the portfolio and ranks #10644 among its holdings. This is a return to the name: Jeff Yass previously reported a position in IONX as recently as Q3 2025.

Jeff Yass first reported a position in IONX in Q2 2025 and has held it in 3 quarters since. The position peaked at $1.46M in Q2 2025. 13 funds tracked by Wall St. Rank hold IONX as of Q2 2026.

  • Jeff Yass held 7,097 shares of Defiance Daily Target 2X Long IONQ ETF worth $361K as of Q2 2026.
  • Defiance Daily Target 2X Long IONQ ETF was a new Jeff Yass position in Q2 2026.
  • Defiance Daily Target 2X Long IONQ ETF made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #10644 holding.
  • Jeff Yass first reported a position in Defiance Daily Target 2X Long IONQ ETF in Q2 2025 and has held it in 3 quarters since.
  • Jeff Yass's Defiance Daily Target 2X Long IONQ ETF position peaked at $1.46M in Q2 2025.
  • 13 funds tracked by Wall St. Rank held Defiance Daily Target 2X Long IONQ ETF as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.