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Capstone Capital Management’s ProShares UltraPro Short S&P 500 SPXU Stock Holding History

Capstone Capital Management’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 		– Sell
-9,990
Closed -$497K – 111
2025
Q4 		$497K Buy
+9,990
New +$519K 0.48% 65

Other funds holding SPXU

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IMC Chicago
IMC Chicago Chicago, Illinois $419B AUM 72.04% 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 $1.28T AUM 58.89% 1-Year Est. Return
HF
HRT Financial New York $54.8B AUM 81.03% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $12.4B AUM 62.79% 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 $4.08B AUM 58.77% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $171B AUM 85% 1-Year Est. Return

Capstone Capital Management's SPXU Position: Q1 2026 in Review

Capstone Capital Management sold out of ProShares UltraPro Short S&P 500 (SPXU) in Q1 2026, closing a stake of 9,990 shares — an estimated $497K sold.

Capstone Capital Management first reported a position in SPXU in Q4 2025 and held it in 1 quarter. The position peaked at $497K in Q4 2025. 44 funds tracked by Wall St. Rank hold SPXU as of Q1 2026.

  • Capstone Capital Management reported no remaining ProShares UltraPro Short S&P 500 position as of Q1 2026 after selling out during the quarter.
  • Capstone Capital Management sold 9,990 ProShares UltraPro Short S&P 500 shares in Q1 2026, an estimated $497K.
  • Capstone Capital Management first reported a position in ProShares UltraPro Short S&P 500 in Q4 2025 and held it in 1 quarter.
  • Capstone Capital Management's ProShares UltraPro Short S&P 500 position peaked at $497K in Q4 2025.
  • 44 funds tracked by Wall St. Rank held ProShares UltraPro Short S&P 500 as of Q1 2026.

Based on Capstone Capital Management's 13F filing for Q1 2026, filed 30 Apr 2026.