Simplex Trading
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Simplex Trading’s ProShares UltraPro Short QQQ SQQQ Stock Holding History

Simplex Trading’s Portfolio SQQQ Stock Details SQQQ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$93.5M Sell
1,398,300
-776,600
-36% -$55.1M 0.06% 124
2025
Q4 		$135M Buy
+2,174,900
New +$154M 0.08% 111

Other funds holding SQQQ

IMC Chicago
IMC Chicago Chicago, Illinois $278B AUM 44.93% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Citigroup
Citigroup New York $235B AUM 32.99% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
TAA
TB Alternative Assets Grand Cayman, Cayman Islands $623M AUM 154.99% 1-Year Est. Return
ST
Smithfield Trust Pittsburgh, Pennsylvania $2.3B AUM 14.87% 1-Year Est. Return
Creative Planning
Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return
HF
HRT Financial New York $40.1B AUM 58.22% 1-Year Est. Return
MG
Marex Group London $15.8B AUM 31.44% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return

Simplex Trading's SQQQ Position: Q1 2026 in Review

Simplex Trading reduced its ProShares UltraPro Short QQQ (SQQQ) stake by 39% in Q1 2026, selling an estimated $4.1M and leaving 88,643 shares worth $7.13M. The position accounts for ﹤0.01% of the portfolio, ranked #867.

Simplex Trading first reported a position in SQQQ in Q3 2015 and has held it in 22 quarters since. The position peaked at $14.2M in Q1 2023. 75 funds tracked by Wall St. Rank hold SQQQ as of Q1 2026.

  • Simplex Trading held 88,643 shares of ProShares UltraPro Short QQQ worth $7.13M as of Q1 2026.
  • Simplex Trading sold 57,834 ProShares UltraPro Short QQQ shares in Q1 2026, an estimated $4.1M.
  • ProShares UltraPro Short QQQ made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #867 holding.
  • Simplex Trading first reported a position in ProShares UltraPro Short QQQ in Q3 2015 and has held it in 22 quarters since.
  • Simplex Trading's ProShares UltraPro Short QQQ position peaked at $14.2M in Q1 2023.
  • 75 funds tracked by Wall St. Rank held ProShares UltraPro Short QQQ as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.