Mariner
REX icon

Mariner’s REX American Resources REX Stock Holding History

Mariner’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
2026
Q2 		$685K Buy
15,162
+8,820
+139% +$408K ﹤0.01% 2244
2026
Q1 		$289K Sell
6,342
-832
-12% -$30.1K ﹤0.01% 2912
2025
Q4 		$232K Sell
7,174
-1,975
-22% -$64.3K ﹤0.01% 3059
2025
Q3 		$280K Buy
9,149
+361
+4% +$10.3K ﹤0.01% 2871
2025
Q2 		$214K Buy
+8,788
New +$185K ﹤0.01% 2999

Other funds holding REX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
SFM
Systematic Financial Management Teaneck, New Jersey $5.02B AUM 66.06% 1-Year Est. Return
MP
Mangrove Partners Greenwich, Connecticut $1.52B AUM 36.54% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Mariner's REX Position: Q2 2026 in Review

Mariner increased its REX American Resources (REX) stake by 139% in Q2 2026, buying an estimated $408K and bringing the position to 15,162 shares worth $685K. The position accounts for ﹤0.01% of the portfolio, ranked #2244.

Mariner first reported a position in REX in Q2 2025 and has held it in 5 quarters since. 231 funds tracked by Wall St. Rank hold REX as of Q2 2026.

  • Mariner held 15,162 shares of REX American Resources worth $685K as of Q2 2026.
  • Mariner bought 8,820 REX American Resources shares in Q2 2026, an estimated $408K.
  • REX American Resources made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2244 holding.
  • Mariner first reported a position in REX American Resources in Q2 2025 and has held it in 5 quarters since.
  • 231 funds tracked by Wall St. Rank held REX American Resources as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.