Mariner
REPX icon

Mariner’s Riley Exploration Permian REPX Stock Holding History

Mariner’s Portfolio REPX Stock Details REPX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$769K Buy
+23,319
New +$831K ﹤0.01% 2155
2025
Q4 		– Sell
-8,447
Closed -$229K – 3759
2025
Q3 		$229K Sell
8,447
-986
-10% -$26.9K ﹤0.01% 3051
2025
Q2 		$247K Sell
9,433
-213
-2% -$5.63K ﹤0.01% 2884
2025
Q1 		$281K Sell
9,646
-8,886
-48% -$286K ﹤0.01% 2683
2024
Q4 		$592K Sell
18,532
-9,272
-33% -$286K ﹤0.01% 2047
2024
Q3 		$737K Sell
27,804
-8,615
-24% -$237K ﹤0.01% 1838
2024
Q2 		$1.03M Buy
36,419
+149
+0.4% +$4.11K ﹤0.01% 1485
2024
Q1 		$1.2M Sell
36,270
-13
-0% -$325 ﹤0.01% 1396
2023
Q4 		$988K Sell
36,283
-63
-0.2% -$1.78K ﹤0.01% 1439
2023
Q3 		$1.16M Sell
36,346
-72
-0.2% -$2.45K ﹤0.01% 1243
2023
Q2 		$1.3M Sell
36,418
-1
-0% -$39 ﹤0.01% 1154
2023
Q1 		$1.39M Sell
36,419
-1,312
-3% -$42.3K ﹤0.01% 1125
2022
Q4 		$1.11M Hold
37,731
– – ﹤0.01% 1181
2022
Q3 		$716K Buy
+37,731
New +$925K ﹤0.01% 1218

Other funds holding REPX

YEPX
Yorktown Energy Partners XI New York $108M AUM 57.73% 1-Year Est. Return
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
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 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
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

Mariner's REPX Position: Q2 2026 in Review

Mariner opened a new position in Riley Exploration Permian (REPX) in Q2 2026: 23,319 shares worth $769K. The stake represents ﹤0.01% of the portfolio and ranks #2155 among its holdings. This is a return to the name: Mariner previously reported a position in REPX as recently as Q3 2025.

Mariner first reported a position in REPX in Q3 2022 and has held it in 14 quarters since. The position peaked at $1.39M in Q1 2023. 198 funds tracked by Wall St. Rank hold REPX as of Q2 2026.

  • Mariner held 23,319 shares of Riley Exploration Permian worth $769K as of Q2 2026.
  • Riley Exploration Permian was a new Mariner position in Q2 2026.
  • Riley Exploration Permian made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2155 holding.
  • Mariner first reported a position in Riley Exploration Permian in Q3 2022 and has held it in 14 quarters since.
  • Mariner's Riley Exploration Permian position peaked at $1.39M in Q1 2023.
  • 198 funds tracked by Wall St. Rank held Riley Exploration Permian as of Q2 2026.

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