IMC Chicago
SPXU icon

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

IMC Chicago’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 		$8.58M Sell
151,300
-79,200
-34% -$4.01M ﹤0.01% 1395
2025
Q4 		$11.5M Buy
+230,500
New +$12M ﹤0.01% 1127
2021
Q4 		– Sell
-1,195
Closed -$419K – 1299
2021
Q3 		$419K Buy
+1,195
New +$394K ﹤0.01% 1125

Other funds holding SPXU

T2I
Turim 21 Investimentos Rio De Janeiro, Brazil $399M AUM 20.13% 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
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

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.