Oberweis Asset Management’s Magnolia Oil & Gas MGY Stock Holding History

Oberweis Asset 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	$11.7M	Buy	456,466 +2,000	+0.4%	+$57.1K	0.24%	126
2026 Q1	$14.3M	Buy	454,466 +78,166	+21%	+$2.09M	0.42%	92
2025 Q4	$8.24M	Hold	376,300	–	–	0.3%	122
2025 Q3	$8.98M	Hold	376,300	–	–	0.34%	110
2025 Q2	$8.46M	Buy	376,300 +7,100	+2%	+$157K	0.37%	97
2025 Q1	$9.33M	Buy	369,200 +62,900	+21%	+$1.52M	0.46%	77
2024 Q4	$7.16M	Buy	306,300 +42,800	+16%	+$1.11M	0.34%	113
2024 Q3	$6.43M	Hold	263,500	–	–	0.33%	116
2024 Q2	$6.68M	Buy	263,500 +78,900	+43%	+$2.01M	0.41%	93
2024 Q1	$4.79M	Buy	184,600 +67,400	+58%	+$1.48M	0.35%	113
2023 Q4	$2.5M	Buy	117,200 +18,200	+18%	+$398K	0.23%	155
2023 Q3	$2.27M	Buy	99,000 +21,600	+28%	+$483K	0.24%	145
2023 Q2	$1.62M	Hold	77,400	–	–	0.2%	143
2023 Q1	$1.69M	Buy	77,400 +10,300	+15%	+$229K	0.26%	130
2022 Q4	$1.57M	Buy	67,100 +28,900	+76%	+$705K	0.33%	101
2022 Q3	$757K	Buy	38,200 +23,400	+158%	+$518K	0.18%	133
2022 Q2	$311K	Buy	14,800 +2,800	+23%	+$70K	0.08%	140
2022 Q1	$284K	Hold	12,000	–	–	0.06%	140
2021 Q4	$226K	Hold	12,000	–	–	0.04%	150
2021 Q3	$213K	Hold	12,000	–	–	0.04%	152
2021 Q2	$188K	Buy	+12,000	New	+$154K	0.04%	158

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

Oberweis Asset Management's MGY Position: Q2 2026 in Review

Oberweis Asset Management increased its Magnolia Oil & Gas (MGY) stake by 0.44% in Q2 2026, buying an estimated $57.1K and bringing the position to 456,466 shares worth $11.7M. The position accounts for 0.24% of the portfolio, ranked #126.

Oberweis Asset Management first reported a position in MGY in Q2 2021 and has held it in 21 quarters since. The position peaked at $14.3M in Q1 2026. 408 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

Oberweis Asset Management held 456,466 shares of Magnolia Oil & Gas worth $11.7M as of Q2 2026.
Oberweis Asset Management bought 2,000 Magnolia Oil & Gas shares in Q2 2026, an estimated $57.1K.
Magnolia Oil & Gas made up 0.24% of Oberweis Asset Management's portfolio in Q2 2026, its #126 holding.
Oberweis Asset Management first reported a position in Magnolia Oil & Gas in Q2 2021 and has held it in 21 quarters since.
Oberweis Asset Management's Magnolia Oil & Gas position peaked at $14.3M in Q1 2026.
408 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

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