Simplex Trading
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Simplex Trading’s Prairie Operating Co PROP Stock Holding History

Simplex Trading’s Portfolio PROP Stock Details PROP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$349K Buy
483,500
+445,500
+1,172% +$480K ﹤0.01% 4046
2026
Q1 		$77.1K Buy
38,000
+4,600
+14% +$8.31K ﹤0.01% 5381
2025
Q4 		$56.4K Sell
33,400
-262,400
-89% -$477K ﹤0.01% 5549
2025
Q3 		$587K Buy
295,800
+67,100
+29% +$191K ﹤0.01% 3629
2025
Q2 		$684K Buy
+228,700
New +$916K ﹤0.01% 3183

Other funds holding PROP

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
AAP
Arax Advisory Partners Denver, Colorado $15.1B AUM 27.93% 1-Year Est. Return
Lazard Asset Management
Lazard Asset Management New York $66.1B AUM 33.53% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Group One Trading
Group One Trading Chicago, Illinois $71.1B AUM 128.96% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Simplex Trading's PROP Position: Q2 2026 in Review

Simplex Trading reduced its Prairie Operating Co (PROP) stake by 63% in Q2 2026, selling an estimated $205K and leaving 113,984 shares worth $82.2K. The position accounts for ﹤0.01% of the portfolio, ranked #5787.

Simplex Trading first reported a position in PROP in Q1 2025 and has held it in 5 quarters since. The position peaked at $618K in Q1 2026. 110 funds tracked by Wall St. Rank hold PROP as of Q2 2026.

  • Simplex Trading held 113,984 shares of Prairie Operating Co worth $82.2K as of Q2 2026.
  • Simplex Trading sold 190,302 Prairie Operating Co shares in Q2 2026, an estimated $205K.
  • Prairie Operating Co made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #5787 holding.
  • Simplex Trading first reported a position in Prairie Operating Co in Q1 2025 and has held it in 5 quarters since.
  • Simplex Trading's Prairie Operating Co position peaked at $618K in Q1 2026.
  • 110 funds tracked by Wall St. Rank held Prairie Operating Co as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.