Mariner

Mariner’s Magnolia Oil & Gas MGY Stock Holding History

Mariner’s Portfolio MGY Stock Details MGY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.61M	Buy	50,961 +17,583	+53%	+$471K	﹤0.01%	1652
2025 Q4	$731K	Sell	33,378 -4,390	-12%	-$99.8K	﹤0.01%	2180
2025 Q3	$902K	Sell	37,768 -4,108	-10%	-$98K	﹤0.01%	1994
2025 Q2	$941K	Sell	41,876 -4,446	-10%	-$98.5K	﹤0.01%	1838
2025 Q1	$1.17M	Buy	46,322 +3,093	+7%	+$75K	﹤0.01%	1581
2024 Q4	$1.01M	Buy	43,229 +762	+2%	+$19.8K	﹤0.01%	1644
2024 Q3	$1.04M	Sell	42,467 -581	-1%	-$14.6K	﹤0.01%	1574
2024 Q2	$1.09M	Buy	43,048 +4,731	+12%	+$121K	﹤0.01%	1447
2024 Q1	$994K	Sell	38,317 -1,499	-4%	-$32.9K	﹤0.01%	1503
2023 Q4	$848K	Buy	39,816 +1,337	+3%	+$29.3K	﹤0.01%	1549
2023 Q3	$882K	Buy	38,479 +389	+1%	+$8.69K	﹤0.01%	1389
2023 Q2	$796K	Sell	38,090 -1,902	-5%	-$39.3K	﹤0.01%	1437
2023 Q1	$873K	Buy	39,992 +2,832	+8%	+$62.9K	﹤0.01%	1348
2022 Q4	$871K	Buy	37,160 +722	+2%	+$17.6K	﹤0.01%	1315
2022 Q3	$722K	Buy	36,438 +8,836	+32%	+$196K	﹤0.01%	1214
2022 Q2	$579K	Buy	+27,602	New	+$690K	﹤0.01%	1077

Other funds holding MGY

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

American Century Companies

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Dimensional Fund Advisors

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Janus Henderson Group

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

Arrowstreet Capital

Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return

T. Rowe Price Investment Management

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM