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
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 $399M AUM 20.13% 1-Year Est. Return
IMC Chicago
IMC Chicago Chicago, Illinois $278B AUM 44.93% 1-Year Est. Return
RAM
Revere Asset Management Dallas, Texas $195M AUM 80.44% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return
MWM
Moulton Wealth Management Spokane, Washington $152M AUM 21.14% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

XTX Topco's SPXU Position: Q1 2026 in Review

XTX Topco opened a new position in ProShares UltraPro Short S&P 500 (SPXU) in Q1 2026: 20,195 shares worth $1.15M. The stake represents 0.02% of the portfolio and ranks #1298 among its holdings. This is a return to the name: XTX Topco previously reported a position in SPXU as recently as Q3 2025.

XTX Topco first reported a position in SPXU in Q3 2025 and has held it in 2 quarters since. The position peaked at $1.18M in Q3 2025. 44 funds tracked by Wall St. Rank hold SPXU as of Q1 2026.

  • XTX Topco held 20,195 shares of ProShares UltraPro Short S&P 500 worth $1.15M as of Q1 2026.
  • ProShares UltraPro Short S&P 500 was a new XTX Topco position in Q1 2026.
  • ProShares UltraPro Short S&P 500 made up 0.02% of XTX Topco's portfolio in Q1 2026, its #1298 holding.
  • XTX Topco first reported a position in ProShares UltraPro Short S&P 500 in Q3 2025 and has held it in 2 quarters since.
  • XTX Topco's ProShares UltraPro Short S&P 500 position peaked at $1.18M in Q3 2025.
  • 44 funds tracked by Wall St. Rank held ProShares UltraPro Short S&P 500 as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.