XT
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XTX Topco’s ProShares UltraPro Short S&P 500 SPXU Stock Holding History

XTX Topco’s Portfolio SPXU Stock Details SPXU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$970K Buy
26,162
+5,967
+30% +$247K 0.01% 1819
2026
Q1 		$1.15M Buy
+20,195
New +$1.02M 0.02% 1298
2025
Q4 		– Sell
-21,842
Closed -$1.18M – 3770
2025
Q3 		$1.18M Buy
+21,842
New +$1.33M 0.06% 465

Other funds holding SPXU

T2I
Turim 21 Investimentos Rio De Janeiro, Brazil $613M AUM 14.25% 1-Year Est. Return
FTUS
Flow Traders U.S. New York $2.43B AUM 44.44% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $12.4B AUM 62.79% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
DS
DRW Securities Chicago, Illinois $4.11B AUM 21.98% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return
SPIA
Steward Partners Investment Advisory New York $19.6B AUM 29.84% 1-Year Est. Return

XTX Topco's SPXU Position: Q2 2026 in Review

XTX Topco increased its ProShares UltraPro Short S&P 500 (SPXU) stake by 30% in Q2 2026, buying an estimated $247K and bringing the position to 26,162 shares worth $970K. The position accounts for 0.01% of the portfolio, ranked #1819.

XTX Topco first reported a position in SPXU in Q3 2025 and has held it in 3 quarters since. The position peaked at $1.18M in Q3 2025. 43 funds tracked by Wall St. Rank hold SPXU as of Q2 2026.

  • XTX Topco held 26,162 shares of ProShares UltraPro Short S&P 500 worth $970K as of Q2 2026.
  • XTX Topco bought 5,967 ProShares UltraPro Short S&P 500 shares in Q2 2026, an estimated $247K.
  • ProShares UltraPro Short S&P 500 made up 0.01% of XTX Topco's portfolio in Q2 2026, its #1819 holding.
  • XTX Topco first reported a position in ProShares UltraPro Short S&P 500 in Q3 2025 and has held it in 3 quarters since.
  • XTX Topco's ProShares UltraPro Short S&P 500 position peaked at $1.18M in Q3 2025.
  • 43 funds tracked by Wall St. Rank held ProShares UltraPro Short S&P 500 as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.