Campbell & Co Investment Adviser’s Magnolia Oil & Gas MGY Stock Holding History

Campbell & Co Investment Adviser’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	–	Sell	-237,440	Closed	-$7.5M	–	1226
2026 Q1	$7.5M	Buy	237,440 +184,843	+351%	+$4.95M	0.43%	27
2025 Q4	$1.15M	Buy	52,597 +16,786	+47%	+$382K	0.06%	510
2025 Q3	$855K	Sell	35,811 -178,400	-83%	-$4.25M	0.06%	484
2025 Q2	$4.82M	Buy	214,211 +163,804	+325%	+$3.63M	0.3%	52
2025 Q1	$1.27M	Buy	+50,407	New	+$1.22M	0.1%	332
2023 Q4	–	Sell	-138,293	Closed	-$3.17M	–	1240
2023 Q3	$3.17M	Buy	+138,293	New	+$3.09M	0.38%	37
2023 Q1	–	Sell	-11,620	Closed	-$272K	–	943
2022 Q4	$272K	Sell	11,620 -3,636	-24%	-$88.7K	0.07%	592
2022 Q3	$302K	Sell	15,256 -16,846	-52%	-$373K	0.07%	479
2022 Q2	$674K	Sell	32,102 -4,422	-12%	-$111K	0.18%	178
2022 Q1	$864K	Buy	36,524 +13,724	+60%	+$301K	0.23%	105
2021 Q4	$430K	Sell	22,800 -29,500	-56%	-$586K	0.15%	240
2021 Q3	$930K	Buy	52,300 +19,000	+57%	+$287K	0.3%	76
2021 Q2	$520K	Buy	+33,300	New	+$428K	0.21%	148

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 $3.38T AUM 44.17% 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

Campbell & Co Investment Adviser's MGY Position: Q2 2026 in Review

Campbell & Co Investment Adviser sold out of Magnolia Oil & Gas (MGY) in Q2 2026, closing a stake of 237,440 shares — an estimated $7.5M sold.

Campbell & Co Investment Adviser first reported a position in MGY in Q2 2021 and held it in 13 quarters. The position peaked at $7.5M in Q1 2026. 411 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

Campbell & Co Investment Adviser reported no remaining Magnolia Oil & Gas position as of Q2 2026 after selling out during the quarter.
Campbell & Co Investment Adviser sold 237,440 Magnolia Oil & Gas shares in Q2 2026, an estimated $7.5M.
Campbell & Co Investment Adviser first reported a position in Magnolia Oil & Gas in Q2 2021 and held it in 13 quarters.
Campbell & Co Investment Adviser's Magnolia Oil & Gas position peaked at $7.5M in Q1 2026.
411 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

Based on Campbell & Co Investment Adviser's 13F filing for Q2 2026, filed 3 Aug 2026.