Optiver Holding
IONX

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

Optiver Holding’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 		$69.9K Buy
+1,374
New +$76K ﹤0.01% 1100
2026
Q1 		– Sell
-1,138
Closed -$74.1K – 2807
2025
Q4 		$74.1K Sell
1,138
-10,072
-90% -$1.31M ﹤0.01% 853
2025
Q3 		$1.97M Sell
11,210
-4,753
-30% -$557K ﹤0.01% 396
2025
Q2 		$1.68M Buy
+15,963
New +$1.18M ﹤0.01% 281

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
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
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return

Optiver Holding's IONX Position: Q2 2026 in Review

Optiver Holding opened a new position in Defiance Daily Target 2X Long IONQ ETF (IONX) in Q2 2026: 1,374 shares worth $69.9K. The stake represents ﹤0.01% of the portfolio and ranks #1100 among its holdings. This is a return to the name: Optiver Holding previously reported a position in IONX as recently as Q4 2025.

Optiver Holding first reported a position in IONX in Q2 2025 and has held it in 4 quarters since. The position peaked at $1.97M in Q3 2025. 7 funds tracked by Wall St. Rank hold IONX as of Q2 2026.

  • Optiver Holding held 1,374 shares of Defiance Daily Target 2X Long IONQ ETF worth $69.9K as of Q2 2026.
  • Defiance Daily Target 2X Long IONQ ETF was a new Optiver Holding position in Q2 2026.
  • Defiance Daily Target 2X Long IONQ ETF made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #1100 holding.
  • Optiver Holding first reported a position in Defiance Daily Target 2X Long IONQ ETF in Q2 2025 and has held it in 4 quarters since.
  • Optiver Holding's Defiance Daily Target 2X Long IONQ ETF position peaked at $1.97M in Q3 2025.
  • 7 funds tracked by Wall St. Rank held Defiance Daily Target 2X Long IONQ ETF as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.