Jane Street’s Defiance 2X Daily Long Pure Quantum ETF QPUX Stock Holding History

Jane Street’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	$1.58M	Buy	+56,644	New	+$1.72M	﹤0.01%	5588

Other funds holding QPUX

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

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 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

Jane Street's QPUX Position: Q2 2026 in Review

Jane Street reduced its Defiance 2X Daily Long Pure Quantum ETF (QPUX) stake by 7% in Q2 2026, selling an estimated $21.9K and leaving 9,522 shares worth $266K. The position accounts for ﹤0.01% of the portfolio, ranked #9474.

Jane Street 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.

Jane Street held 9,522 shares of Defiance 2X Daily Long Pure Quantum ETF worth $266K as of Q2 2026.
Jane Street sold 720 Defiance 2X Daily Long Pure Quantum ETF shares in Q2 2026, an estimated $21.9K.
Defiance 2X Daily Long Pure Quantum ETF made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #9474 holding.
Jane Street 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 Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.