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

Aigen 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
2026 Q2	–	Sell	-10,766	Closed	-$340K	–	705
2026 Q1	$340K	Buy	+10,766	New	+$288K	0.09%	302
2025 Q3	–	Sell	-12,119	Closed	-$272K	–	971
2025 Q2	$272K	Sell	12,119 -24,948	-67%	-$552K	0.04%	565
2025 Q1	$936K	Sell	37,067 -9,852	-21%	-$239K	0.15%	206
2024 Q4	$1.1M	Buy	46,919 +34,117	+266%	+$886K	0.19%	161
2024 Q3	$313K	Sell	12,802 -5,193	-29%	-$131K	0.06%	459
2024 Q2	$456K	Buy	+17,995	New	+$459K	0.09%	335
2021 Q1	–	Sell	-75,787	Closed	-$535K	–	793
2020 Q4	$535K	Buy	75,787 +50,375	+198%	+$300K	0.07%	376
2020 Q3	$131K	Buy	+25,412	New	+$158K	0.02%	694
2020 Q2	–	Sell	-104,178	Closed	-$417K	–	1109
2020 Q1	$417K	Buy	104,178 +88,578	+568%	+$762K	0.06%	488
2019 Q4	$196K	Buy	+15,600	New	+$175K	0.03%	558

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

Aigen Investment Management's MGY Position: Q2 2026 in Review

Aigen Investment Management sold out of Magnolia Oil & Gas (MGY) in Q2 2026, closing a stake of 10,766 shares — an estimated $340K sold.

Aigen Investment Management first reported a position in MGY in Q4 2019 and held it in 10 quarters. The position peaked at $1.1M in Q4 2024. 408 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

Aigen Investment Management reported no remaining Magnolia Oil & Gas position as of Q2 2026 after selling out during the quarter.
Aigen Investment Management sold 10,766 Magnolia Oil & Gas shares in Q2 2026, an estimated $340K.
Aigen Investment Management first reported a position in Magnolia Oil & Gas in Q4 2019 and held it in 10 quarters.
Aigen Investment Management's Magnolia Oil & Gas position peaked at $1.1M in Q4 2024.
408 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

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