Brandywine Global Investment Management’s Magnolia Oil & Gas MGY Stock Holding History

Brandywine Global Investment 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
2025 Q4	$16M	Sell	731,423 -26,790	-4%	-$609K	0.11%	180
2025 Q3	$18.1M	Sell	758,213 -47,365	-6%	-$1.13M	0.12%	172
2025 Q2	$18.1M	Buy	805,578 +242,160	+43%	+$5.36M	0.13%	176
2025 Q1	$14.2M	Sell	563,418 -22,334	-4%	-$541K	0.1%	200
2024 Q4	$13.7M	Buy	585,752 +119,240	+26%	+$3.1M	0.1%	202
2024 Q3	$12.5M	Sell	466,512 -57,143	-11%	-$1.44M	0.08%	226
2024 Q2	$13.3M	Buy	523,655 +21,106	+4%	+$538K	0.1%	207
2024 Q1	$13M	Sell	502,549 -3,742	-0.7%	-$82.1K	0.09%	224
2023 Q4	$10.8M	Buy	506,291 +14,345	+3%	+$314K	0.09%	238
2023 Q3	$11.3M	Sell	491,946 -6,952	-1%	-$155K	0.1%	213
2023 Q2	$10.4M	Buy	+498,898	New	+$10.3M	0.09%	229
2022 Q2	–	Sell	-52,852	Closed	-$1.25M	–	753
2022 Q1	$1.25M	Sell	52,852 -94	-0.2%	-$2.06K	0.01%	603
2021 Q4	$999K	Sell	52,946 -24,495	-32%	-$486K	0.01%	581
2021 Q3	$1.38M	Buy	+77,441	New	+$1.17M	0.01%	558

Other funds holding MGY

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

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

TD Asset Management Toronto, Ontario, Canada $123B AUM 34.51% 1-Year Est. Return

EIP

Epoch Investment Partners New York $16.5B AUM 24.3% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

NAMI

Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM

Brandywine Global Investment Management's MGY Position: Q4 2025 in Review

Brandywine Global Investment Management reduced its Magnolia Oil & Gas (MGY) stake by 3.5% in Q4 2025, selling an estimated $609K and leaving 731,423 shares worth $16M. The position accounts for 0.11% of the portfolio, ranked #180.

Brandywine Global Investment Management first reported a position in MGY in Q3 2021 and has held it in 14 quarters since. The position peaked at $18.1M in Q2 2025. 378 funds tracked by Wall St. Rank hold MGY as of Q4 2025.

Brandywine Global Investment Management held 731,423 shares of Magnolia Oil & Gas worth $16M as of Q4 2025.
Brandywine Global Investment Management sold 26,790 Magnolia Oil & Gas shares in Q4 2025, an estimated $609K.
Magnolia Oil & Gas made up 0.11% of Brandywine Global Investment Management's portfolio in Q4 2025, its #180 holding.
Brandywine Global Investment Management first reported a position in Magnolia Oil & Gas in Q3 2021 and has held it in 14 quarters since.
Brandywine Global Investment Management's Magnolia Oil & Gas position peaked at $18.1M in Q2 2025.
378 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q4 2025.

Based on Brandywine Global Investment Management's 13F filing for Q4 2025, filed 11 Feb 2026.