Optiver Holding
IRE

Optiver Holding’s Defiance Daily Target 2x Long IREN ETF IRE Stock Holding History

Optiver Holding’s Portfolio IRE Stock Details IRE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.35M Buy
+80,638
New +$2.1M ﹤0.01% 610
2026
Q1 		– Sell
-10,963
Closed -$260K – 2842
2025
Q4 		$260K Buy
+10,963
New +$555K ﹤0.01% 667

Other funds holding IRE

AA
Armis Advisers Atlanta, Georgia $1.09B AUM 22.88% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
EWA
Evolution Wealth Advisors Aventura, Florida $855M AUM 27.24% 1-Year Est. Return
UAG
United Advisor Group Cincinnati, Ohio $948M AUM 25.89% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
SG
StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return

Optiver Holding's IRE Position: Q2 2026 in Review

Optiver Holding opened a new position in Defiance Daily Target 2x Long IREN ETF (IRE) in Q2 2026: 80,638 shares worth $1.35M. The stake represents ﹤0.01% of the portfolio and ranks #610 among its holdings. This is a return to the name: Optiver Holding previously reported a position in IRE as recently as Q4 2025.

Optiver Holding first reported a position in IRE in Q4 2025 and has held it in 2 quarters since. 16 funds tracked by Wall St. Rank hold IRE as of Q2 2026.

  • Optiver Holding held 80,638 shares of Defiance Daily Target 2x Long IREN ETF worth $1.35M as of Q2 2026.
  • Defiance Daily Target 2x Long IREN ETF was a new Optiver Holding position in Q2 2026.
  • Defiance Daily Target 2x Long IREN ETF made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #610 holding.
  • Optiver Holding first reported a position in Defiance Daily Target 2x Long IREN ETF in Q4 2025 and has held it in 2 quarters since.
  • 16 funds tracked by Wall St. Rank held Defiance Daily Target 2x Long IREN ETF as of Q2 2026.

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