Aventail Capital Group’s Magnolia Oil & Gas MGY Stock Holding History

Aventail Capital Group’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 Q2	$4.8M	Buy	+187,617	New	+$5.36M	0.28%	116
2025 Q4	–	Sell	-400,928	Closed	-$9.57M	–	169
2025 Q3	$9.57M	Buy	400,928 +82	+0%	+$1.96K	0.44%	63
2025 Q2	$9.01M	Buy	400,846 +846	+0.2%	+$18.7K	0.4%	59
2025 Q1	$10.1M	Hold	400,000	–	–	0.5%	50
2024 Q4	$9.35M	Sell	400,000 -18,936	-5%	-$492K	0.48%	54
2024 Q3	$10.2M	Sell	418,936 -618,436	-60%	-$15.6M	0.6%	41
2024 Q2	$26.3M	Buy	+1,037,372	New	+$26.5M	1.84%	19
2024 Q1	–	Sell	-863,844	Closed	-$18.4M	–	86
2023 Q4	$18.4M	Buy	863,844 +713,844	+476%	+$15.6M	1.56%	22
2023 Q3	$3.44M	Buy	+150,000	New	+$3.35M	0.24%	47
2023 Q1	–	Sell	-1,880,615	Closed	-$44.1M	–	62
2022 Q4	$44.1M	Buy	1,880,615 +1,845,030	+5,185%	+$45M	5.3%	7
2022 Q3	$705K	Hold	35,585	–	–	0.05%	47
2022 Q2	$747K	Buy	+35,585	New	+$890K	0.11%	33
2021 Q4	–	Sell	-1,076,013	Closed	-$19.1M	–	49
2021 Q3	$19.1M	Buy	+1,076,013	New	+$16.3M	5.62%	5
2021 Q2	–	Sell	-1,378,258	Closed	-$15.8M	–	57
2021 Q1	$15.8M	Buy	1,378,258 +913,993	+197%	+$9.52M	7.06%	4
2020 Q4	$3.28M	Buy	+464,265	New	+$2.77M	1.71%	19

Other funds holding MGY

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Jupiter Topco New York $245B AUM

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

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

Aventail Capital Group's MGY Position: Q2 2026 in Review

Aventail Capital Group opened a new position in Magnolia Oil & Gas (MGY) in Q2 2026: 187,617 shares worth $4.8M. The stake represents 0.28% of the portfolio and ranks #116 among its holdings. This is a return to the name: Aventail Capital Group previously reported a position in MGY as recently as Q3 2025.

Aventail Capital Group first reported a position in MGY in Q4 2020 and has held it in 15 quarters since. The position peaked at $44.1M in Q4 2022. 408 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

Aventail Capital Group held 187,617 shares of Magnolia Oil & Gas worth $4.8M as of Q2 2026.
Magnolia Oil & Gas was a new Aventail Capital Group position in Q2 2026.
Magnolia Oil & Gas made up 0.28% of Aventail Capital Group's portfolio in Q2 2026, its #116 holding.
Aventail Capital Group first reported a position in Magnolia Oil & Gas in Q4 2020 and has held it in 15 quarters since.
Aventail Capital Group's Magnolia Oil & Gas position peaked at $44.1M in Q4 2022.
408 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

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