Castleark Management’s Magnolia Oil & Gas MGY Stock Holding History

Castleark Management’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	$1.91M	Hold	74,790	–	–	0.05%	210
2026 Q1	$2.36M	Hold	74,790	–	–	0.08%	195
2025 Q4	$1.64M	Hold	74,790	–	–	0.05%	209
2025 Q3	$1.79M	Hold	74,790	–	–	0.05%	202
2025 Q2	$1.68M	Sell	74,790 -9,040	-11%	-$200K	0.05%	188
2025 Q1	$2.12M	Hold	83,830	–	–	0.07%	178
2024 Q4	$1.96M	Sell	83,830 -96,900	-54%	-$2.52M	0.07%	186
2024 Q3	$4.41M	Buy	180,730 +96,900	+116%	+$2.44M	0.18%	130
2024 Q2	$2.12M	Hold	83,830	–	–	0.09%	167
2024 Q1	$2.18M	Hold	83,830	–	–	0.09%	174
2023 Q4	$1.78M	Hold	83,830	–	–	0.08%	181
2023 Q3	$1.92M	Buy	83,830 +21,740	+35%	+$486K	0.1%	165
2023 Q2	$1.3M	Sell	62,090 -19,770	-24%	-$409K	0.06%	181
2023 Q1	$1.79M	Sell	81,860 -88,230	-52%	-$1.96M	0.09%	165
2022 Q4	$3.99M	Sell	170,090 -70,660	-29%	-$1.72M	0.21%	115
2022 Q3	$4.77M	Sell	240,750 -24,100	-9%	-$533K	0.27%	92
2022 Q2	$5.56M	Sell	264,850 -7,210	-3%	-$180K	0.3%	78
2022 Q1	$6.43M	Buy	272,060 +169,730	+166%	+$3.73M	0.28%	89
2021 Q4	$1.93M	Sell	102,330 -8,670	-8%	-$172K	0.07%	195
2021 Q3	$1.98M	Buy	+111,000	New	+$1.68M	0.08%	185

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

Castleark Management's MGY Position: Q2 2026 in Review

Castleark Management held its Magnolia Oil & Gas (MGY) position steady in Q2 2026 at 74,790 shares worth $1.91M. The position accounts for 0.05% of the portfolio, ranked #210.

Castleark Management first reported a position in MGY in Q3 2021 and has held it in 20 quarters since. The position peaked at $6.43M in Q1 2022. 410 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

Castleark Management held 74,790 shares of Magnolia Oil & Gas worth $1.91M as of Q2 2026.
Castleark Management left its Magnolia Oil & Gas share count unchanged in Q2 2026.
Magnolia Oil & Gas made up 0.05% of Castleark Management's portfolio in Q2 2026, its #210 holding.
Castleark Management first reported a position in Magnolia Oil & Gas in Q3 2021 and has held it in 20 quarters since.
Castleark Management's Magnolia Oil & Gas position peaked at $6.43M in Q1 2022.
410 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.