IMC Chicago’s ProShares UltraPro Short S&P 500 SPXU Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$9.63M Sell
169,700
-145,900
-46% -$7.38M ﹤0.01% 1301
2025
Q4
$15.7M Buy
+315,600
New +$16.4M 0.01% 962
2021
Q4
Sell
-2,900
Closed -$1.02M 1298
2021
Q3
$1.02M Buy
+2,900
New +$957K ﹤0.01% 996

Other funds holding SPXU

IMC Chicago's SPXU Position: Q1 2026 in Review

IMC Chicago opened a new position in ProShares UltraPro Short S&P 500 (SPXU) in Q1 2026: 316,218 shares worth $17.9M. The stake represents 0.01% of the portfolio and ranks #919 among its holdings. This is a return to the name: IMC Chicago previously reported a position in SPXU as recently as Q3 2025.

IMC Chicago first reported a position in SPXU in Q1 2019 and has held it in 19 quarters since. 44 funds tracked by Wall St. Rank hold SPXU as of Q1 2026.

  • IMC Chicago held 316,218 shares of ProShares UltraPro Short S&P 500 worth $17.9M as of Q1 2026.
  • ProShares UltraPro Short S&P 500 was a new IMC Chicago position in Q1 2026.
  • ProShares UltraPro Short S&P 500 made up 0.01% of IMC Chicago's portfolio in Q1 2026, its #919 holding.
  • IMC Chicago first reported a position in ProShares UltraPro Short S&P 500 in Q1 2019 and has held it in 19 quarters since.
  • 44 funds tracked by Wall St. Rank held ProShares UltraPro Short S&P 500 as of Q1 2026.

Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.