Marshall Wace
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Marshall Wace’s REX American Resources REX Stock Holding History

Marshall Wace’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
Q1 		$1.75M Buy
+38,388
New +$1.39M ﹤0.01% 1862
2025
Q4 		– Sell
-18,848
Closed -$577K – 3399
2025
Q3 		$577K Buy
18,848
+9,862
+110% +$281K ﹤0.01% 2177
2025
Q2 		$219K Sell
8,986
-9,214
-51% -$194K ﹤0.01% 2435
2025
Q1 		$342K Buy
+18,200
New +$365K ﹤0.01% 2212
2024
Q3 		– Sell
-27,114
Closed -$618K – 2886
2024
Q2 		$618K Sell
27,114
-48,978
-64% -$1.31M ﹤0.01% 1886
2024
Q1 		$2.23M Sell
76,092
-41,482
-35% -$913K ﹤0.01% 1311
2023
Q4 		$2.78M Buy
+117,574
New +$2.35M ﹤0.01% 1095
2023
Q3 		– Sell
-12,260
Closed -$213K – 2600
2023
Q2 		$213K Buy
+12,260
New +$190K ﹤0.01% 2232
2019
Q1 		– Sell
-1,350
Closed -$15K – 2008
2018
Q4 		$15K Buy
+1,350
New +$15.8K ﹤0.01% 1528
2016
Q1 		– Sell
-317,868
Closed -$2.87M – 1171
2015
Q4 		$2.87M Buy
317,868
+12,726
+4% +$117K 0.03% 493
2015
Q3 		$2.57M Buy
+305,142
New +$2.72M 0.03% 403
2015
Q2 		– Sell
-462,312
Closed -$4.69M – 1023
2015
Q1 		$4.69M Buy
+462,312
New +$4.44M 0.06% 330

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

Marshall Wace's REX Position: Q1 2026 in Review

Marshall Wace opened a new position in REX American Resources (REX) in Q1 2026: 38,388 shares worth $1.75M. The stake represents ﹤0.01% of the portfolio and ranks #1862 among its holdings. This is a return to the name: Marshall Wace previously reported a position in REX as recently as Q3 2025.

Marshall Wace first reported a position in REX in Q1 2015 and has held it in 12 quarters since. The position peaked at $4.69M in Q1 2015. 233 funds tracked by Wall St. Rank hold REX as of Q1 2026.

  • Marshall Wace held 38,388 shares of REX American Resources worth $1.75M as of Q1 2026.
  • REX American Resources was a new Marshall Wace position in Q1 2026.
  • REX American Resources made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #1862 holding.
  • Marshall Wace first reported a position in REX American Resources in Q1 2015 and has held it in 12 quarters since.
  • Marshall Wace's REX American Resources position peaked at $4.69M in Q1 2015.
  • 233 funds tracked by Wall St. Rank held REX American Resources as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.