Jeff Yass’s Defiance 2X Daily Long Pure Quantum ETF QPUX Stock Holding History

Jeff Yass’s Portfolio QPUX Stock Details QPUX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.48M	Buy	53,082 +39,935	+304%	+$1.22M	﹤0.01%	7192
2026 Q1	$198K	Buy	+13,147	New	+$438K	﹤0.01%	11723

Other funds holding QPUX

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

Jeff Yass's QPUX Position: Q2 2026 in Review

Jeff Yass increased its Defiance 2X Daily Long Pure Quantum ETF (QPUX) stake by 304% in Q2 2026, buying an estimated $1.22M and bringing the position to 53,082 shares worth $1.48M. The position accounts for ﹤0.01% of the portfolio, ranked #7192.

Jeff Yass first reported a position in QPUX in Q1 2026 and has held it in 2 quarters since. 5 funds tracked by Wall St. Rank hold QPUX as of Q2 2026.

Jeff Yass held 53,082 shares of Defiance 2X Daily Long Pure Quantum ETF worth $1.48M as of Q2 2026.
Jeff Yass bought 39,935 Defiance 2X Daily Long Pure Quantum ETF shares in Q2 2026, an estimated $1.22M.
Defiance 2X Daily Long Pure Quantum ETF made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #7192 holding.
Jeff Yass first reported a position in Defiance 2X Daily Long Pure Quantum ETF in Q1 2026 and has held it in 2 quarters since.
5 funds tracked by Wall St. Rank held Defiance 2X Daily Long Pure Quantum ETF as of Q2 2026.

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