Jane Street
REX icon

Jane Street’s REX American Resources REX Stock Holding History

Jane Street’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 		$773K Sell
17,112
-102,016
-86% -$4.72M ﹤0.01% 7085
2026
Q1 		$5.43M Buy
119,128
+83,354
+233% +$3.02M ﹤0.01% 3384
2025
Q4 		$1.16M Sell
35,774
-167,127
-82% -$5.44M ﹤0.01% 5836
2025
Q3 		$6.21M Buy
202,901
+67,763
+50% +$1.93M ﹤0.01% 3091
2025
Q2 		$3.29M Buy
135,138
+87,812
+186% +$1.85M ﹤0.01% 3611
2025
Q1 		$889K Sell
47,326
-35,842
-43% -$719K ﹤0.01% 5794
2024
Q4 		$1.73M Buy
+83,168
New +$1.84M ﹤0.01% 4376
2024
Q3 		– Sell
-61,216
Closed -$1.4M – 10278
2024
Q2 		$1.4M Buy
61,216
+40,346
+193% +$1.08M ﹤0.01% 5131
2024
Q1 		$613K Sell
20,870
-65,280
-76% -$1.44M ﹤0.01% 6302
2023
Q4 		$2.04M Buy
86,150
+59,716
+226% +$1.19M ﹤0.01% 4297
2023
Q3 		$538K Buy
+26,434
New +$497K ﹤0.01% 6187
2023
Q2 		– Sell
-16,038
Closed -$229K – 9436
2023
Q1 		$229K Buy
16,038
+2,872
+22% +$45.4K ﹤0.01% 7630
2022
Q4 		$210K Buy
+13,166
New +$198K ﹤0.01% 7603
2021
Q1 		– Sell
-43,092
Closed -$528K – 9501
2020
Q4 		$528K Buy
+43,092
New +$566K ﹤0.01% 5652
2020
Q1 		– Sell
-32,448
Closed -$443K – 5862
2019
Q4 		$443K Buy
+32,448
New +$449K ﹤0.01% 3827
2017
Q2 		– Sell
-16,986
Closed -$256K – 4780
2017
Q1 		$256K Sell
16,986
-9,114
-35% -$129K ﹤0.01% 3612
2016
Q4 		$429K Buy
+26,100
New +$388K ﹤0.01% 3006
2015
Q2 		– Sell
-79,050
Closed -$801K – 3964
2015
Q1 		$801K Buy
+79,050
New +$759K 0.01% 1575
2014
Q3 		– Sell
-78,792
Closed -$963K – 2966
2014
Q2 		$963K Buy
+78,792
New +$866K 0.01% 936

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

Jane Street's REX Position: Q2 2026 in Review

Jane Street reduced its REX American Resources (REX) stake by 86% in Q2 2026, selling an estimated $4.72M and leaving 17,112 shares worth $773K. The position accounts for ﹤0.01% of the portfolio, ranked #7085.

Jane Street first reported a position in REX in Q2 2014 and has held it in 19 quarters since. The position peaked at $6.21M in Q3 2025. 229 funds tracked by Wall St. Rank hold REX as of Q2 2026.

  • Jane Street held 17,112 shares of REX American Resources worth $773K as of Q2 2026.
  • Jane Street sold 102,016 REX American Resources shares in Q2 2026, an estimated $4.72M.
  • REX American Resources made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #7085 holding.
  • Jane Street first reported a position in REX American Resources in Q2 2014 and has held it in 19 quarters since.
  • Jane Street's REX American Resources position peaked at $6.21M in Q3 2025.
  • 229 funds tracked by Wall St. Rank held REX American Resources as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.