Jeff Yass’s Riley Exploration Permian REPX Stock Holding History

Jeff Yass’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	–	Sell	-19,000	Closed	-$693K	–	14334
2026 Q1	$693K	Buy	19,000 +7,700	+68%	+$229K	﹤0.01%	8831
2025 Q4	$298K	Sell	11,300 -5,100	-31%	-$136K	﹤0.01%	9959
2025 Q3	$445K	Buy	16,400 +1,900	+13%	+$51.9K	﹤0.01%	9225
2025 Q2	$380K	Buy	+14,500	New	+$383K	﹤0.01%	9814
2025 Q1	–	Sell	-6,800	Closed	-$217K	–	13294
2024 Q4	$217K	Buy	+6,800	New	+$210K	﹤0.01%	10540
2024 Q3	–	Sell	-9,400	Closed	-$266K	–	12858
2024 Q2	$266K	Buy	+9,400	New	+$259K	﹤0.01%	9727
2023 Q4	–	Sell	-9,000	Closed	-$286K	–	13152
2023 Q3	$286K	Sell	9,000 -8,400	-48%	-$285K	﹤0.01%	9456
2023 Q2	$622K	Buy	17,400 +11,900	+216%	+$464K	﹤0.01%	7799
2023 Q1	$209K	Buy	+5,500	New	+$177K	﹤0.01%	10501

Other funds holding REPX

YEPX

Yorktown Energy Partners XI New York $108M AUM 57.73% 1-Year Est. Return

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 $59.9B AUM 27.01% 1-Year Est. Return

Jeff Yass's REPX Position: Q2 2026 in Review

Jeff Yass increased its Riley Exploration Permian (REPX) stake by 32% in Q2 2026, buying an estimated $75K and bringing the position to 8,663 shares worth $286K. The position accounts for ﹤0.01% of the portfolio, ranked #11156.

Jeff Yass first reported a position in REPX in Q3 2017 and has held it in 15 quarters since. The position peaked at $623K in Q2 2023. 196 funds tracked by Wall St. Rank hold REPX as of Q2 2026.

Jeff Yass held 8,663 shares of Riley Exploration Permian worth $286K as of Q2 2026.
Jeff Yass bought 2,104 Riley Exploration Permian shares in Q2 2026, an estimated $75K.
Riley Exploration Permian made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #11156 holding.
Jeff Yass first reported a position in Riley Exploration Permian in Q3 2017 and has held it in 15 quarters since.
Jeff Yass's Riley Exploration Permian position peaked at $623K in Q2 2023.
196 funds tracked by Wall St. Rank held Riley Exploration Permian as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.