Yorktown Energy Partners XI’s Riley Exploration Permian REPX Stock Holding History

Yorktown Energy Partners XI’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	$42.3M	Sell	1,284,113 -500,000	-28%	-$17.8M	39.16%	1
2026 Q1	$65M	Hold	1,784,113	–	–	45.95%	1
2025 Q4	$47.1M	Hold	1,784,113	–	–	32.97%	2
2025 Q3	$48.4M	Hold	1,784,113	–	–	24.82%	2
2025 Q2	$46.8M	Hold	1,784,113	–	–	40.69%	2
2025 Q1	$52M	Hold	1,784,113	–	–	54.37%	1
2024 Q4	$56.9M	Hold	1,784,113	–	–	48.58%	1
2024 Q3	$47.3M	Hold	1,784,113	–	–	40.94%	2
2024 Q2	$50.5M	Hold	1,784,113	–	–	41.25%	2
2024 Q1	$58.9M	Hold	1,784,113	–	–	37.31%	2
2023 Q4	$48.6M	Hold	1,784,113	–	–	32.82%	2
2023 Q3	$56.7M	Hold	1,784,113	–	–	31.74%	2
2023 Q2	$63.7M	Hold	1,784,113	–	–	38.14%	1
2023 Q1	$67.9M	Hold	1,784,113	–	–	44.06%	1
2022 Q4	$52.5M	Hold	1,784,113	–	–	36.19%	1
2022 Q3	$33.9M	Hold	1,784,113	–	–	26.43%	3
2022 Q2	$43.1M	Hold	1,784,113	–	–	25.85%	3
2022 Q1	$44.7M	Hold	1,784,113	–	–	14.89%	3
2021 Q4	$34.5M	Hold	1,784,113	–	–	14.14%	3
2021 Q3	$41.9M	Hold	1,784,113	–	–	15.45%	3
2021 Q2	$51.7M	Hold	1,784,113	–	–	62.85%	1
2021 Q1	$46.4M	Buy	+1,784,113	New	+$48.4M	66.25%	1

Other funds holding REPX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

First Eagle Investment Management New York $60.8B AUM 26.63% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Yorktown Energy Partners XI's REPX Position: Q2 2026 in Review

Yorktown Energy Partners XI reduced its Riley Exploration Permian (REPX) stake by 28% in Q2 2026, selling an estimated $17.8M and leaving 1,284,113 shares worth $42.3M. The position accounts for 39.16% of the portfolio, ranked #1.

Yorktown Energy Partners XI first reported a position in REPX in Q1 2021 and has held it in 22 quarters since. The position peaked at $67.9M in Q1 2023. 198 funds tracked by Wall St. Rank hold REPX as of Q2 2026.

Yorktown Energy Partners XI held 1,284,113 shares of Riley Exploration Permian worth $42.3M as of Q2 2026.
Yorktown Energy Partners XI sold 500,000 Riley Exploration Permian shares in Q2 2026, an estimated $17.8M.
Riley Exploration Permian made up 39.16% of Yorktown Energy Partners XI's portfolio in Q2 2026, its #1 holding.
Yorktown Energy Partners XI first reported a position in Riley Exploration Permian in Q1 2021 and has held it in 22 quarters since.
Yorktown Energy Partners XI's Riley Exploration Permian position peaked at $67.9M in Q1 2023.
198 funds tracked by Wall St. Rank held Riley Exploration Permian as of Q2 2026.

Based on Yorktown Energy Partners XI's 13F filing for Q2 2026, filed 14 Aug 2026.