Mariner’s Ring Energy REI Stock Holding History

Mariner’s Portfolio REI Stock Details REI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$37.3K	Hold	34,500	–	–	﹤0.01%	3440
2026 Q1	$52.8K	Buy	34,500 +535	+2%	+$680	﹤0.01%	3417
2025 Q4	$29.6K	Buy	33,965 +1,033	+3%	+$984	﹤0.01%	3460
2025 Q3	$35.9K	Sell	32,932 -8,936	-21%	-$8.09K	﹤0.01%	3475
2025 Q2	$33.2K	Buy	41,868 +2,337	+6%	+$1.98K	﹤0.01%	3379
2025 Q1	$45.5K	Buy	39,531 +1,297	+3%	+$1.69K	﹤0.01%	3319
2024 Q4	$52K	Buy	+38,234	New	+$57.4K	﹤0.01%	3284
2023 Q4	–	Sell	-14,960	Closed	-$29.2K	–	3159
2023 Q3	$29.2K	Buy	14,960 +585	+4%	+$1.17K	﹤0.01%	2823
2023 Q2	$24.6K	Buy	14,375 +1,711	+14%	+$3.14K	﹤0.01%	2767
2023 Q1	$24K	Buy	+12,664	New	+$27.3K	﹤0.01%	2715
2019 Q3	–	Sell	-11,489	Closed	-$37K	–	966
2019 Q2	$37K	Sell	11,489 -2,082	-15%	-$9.26K	﹤0.01%	1100
2019 Q1	$80K	Buy	+13,571	New	+$80.7K	﹤0.01%	1009

Other funds holding REI

PEAK6 Chicago, Illinois $48.6B AUM 40.56% 1-Year Est. Return

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

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Mariner's REI Position: Q2 2026 in Review

Mariner held its Ring Energy (REI) position steady in Q2 2026 at 34,500 shares worth $37.3K. The position accounts for ﹤0.01% of the portfolio, ranked #3440.

Mariner first reported a position in REI in Q1 2019 and has held it in 12 quarters since. The position peaked at $80K in Q1 2019. 143 funds tracked by Wall St. Rank hold REI as of Q2 2026.

Mariner held 34,500 shares of Ring Energy worth $37.3K as of Q2 2026.
Mariner left its Ring Energy share count unchanged in Q2 2026.
Ring Energy made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #3440 holding.
Mariner first reported a position in Ring Energy in Q1 2019 and has held it in 12 quarters since.
Mariner's Ring Energy position peaked at $80K in Q1 2019.
143 funds tracked by Wall St. Rank held Ring Energy as of Q2 2026.

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