Simplex Trading
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Simplex Trading’s REX American Resources REX Stock Holding History

Simplex Trading’s Portfolio REX Stock Details REX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-600
Closed -$18K – 9819
2025
Q3 		$18K Buy
+600
New +$17.1K ﹤0.01% 7420
2024
Q2 		– Sell
-1,200
Closed -$35K – 9630
2024
Q1 		$35K Buy
+1,200
New +$26.4K ﹤0.01% 6613
2023
Q4 		– Sell
-200
Closed -$4K – 9658
2023
Q3 		$4K Buy
+200
New +$3.76K ﹤0.01% 7804

Other funds holding REX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SFM
Systematic Financial Management Teaneck, New Jersey $4.36B AUM 40.56% 1-Year Est. Return
MP
Mangrove Partners Greenwich, Connecticut $1.24B AUM 41.74% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Simplex Trading's REX Position: Q1 2026 in Review

Simplex Trading sold out of REX American Resources (REX) in Q1 2026, closing a stake of 1,097 shares — an estimated $35.5K sold.

Simplex Trading first reported a position in REX in Q1 2023 and held it in 7 quarters. The position peaked at $416K in Q4 2023. 233 funds tracked by Wall St. Rank hold REX as of Q1 2026.

  • Simplex Trading reported no remaining REX American Resources position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 1,097 REX American Resources shares in Q1 2026, an estimated $35.5K.
  • Simplex Trading first reported a position in REX American Resources in Q1 2023 and held it in 7 quarters.
  • Simplex Trading's REX American Resources position peaked at $416K in Q4 2023.
  • 233 funds tracked by Wall St. Rank held REX American Resources as of Q1 2026.

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