Jane Street
QBTZ

Jane Street’s Defiance Daily Target 2x Short QBTS ETF QBTZ Stock Holding History

Jane Street’s Portfolio QBTZ Stock Details QBTZ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$547K Buy
+28,590
New +$2.17M ﹤0.01% 7796
2026
Q1 		– Sell
-3,606
Closed -$517K – 13601
2025
Q4 		$517K Buy
+3,606
New +$837K ﹤0.01% 7612

Other funds holding QBTZ

HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $12.4B AUM 62.79% 1-Year Est. Return
SG
StoneX Group New York $2.48B AUM 33.54% 1-Year Est. Return
Optiver Holding
Optiver Holding Amsterdam, Netherlands $371B AUM 64.6% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return
GS
GTS Securities Miami, Florida $4.75B AUM 41.97% 1-Year Est. Return
TSS
Two Sigma Securities New York $1.16B AUM 36.23% 1-Year Est. Return
OMC
Old Mission Capital Chicago, Illinois $6.31B AUM 20.77% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $4.08B AUM 58.77% 1-Year Est. Return

Jane Street's QBTZ Position: Q2 2026 in Review

Jane Street opened a new position in Defiance Daily Target 2x Short QBTS ETF (QBTZ) in Q2 2026: 28,590 shares worth $547K. The stake represents ﹤0.01% of the portfolio and ranks #7796 among its holdings. This is a return to the name: Jane Street previously reported a position in QBTZ as recently as Q4 2025.

Jane Street first reported a position in QBTZ in Q4 2025 and has held it in 2 quarters since. 12 funds tracked by Wall St. Rank hold QBTZ as of Q2 2026.

  • Jane Street held 28,590 shares of Defiance Daily Target 2x Short QBTS ETF worth $547K as of Q2 2026.
  • Defiance Daily Target 2x Short QBTS ETF was a new Jane Street position in Q2 2026.
  • Defiance Daily Target 2x Short QBTS ETF made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7796 holding.
  • Jane Street first reported a position in Defiance Daily Target 2x Short QBTS ETF in Q4 2025 and has held it in 2 quarters since.
  • 12 funds tracked by Wall St. Rank held Defiance Daily Target 2x Short QBTS ETF as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.