Magnetar Financial’s Magnolia Oil & Gas MGY Stock Holding History

Magnetar Financial’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	$820K	Buy	+32,068	New	+$916K	0.01%	490
2025 Q1	–	Sell	-184,323	Closed	-$4.31M	–	864
2024 Q4	$4.31M	Buy	184,323 +165,073	+858%	+$4.29M	0.1%	154
2024 Q3	$470K	Buy	+19,250	New	+$485K	0.01%	349
2024 Q1	–	Sell	-119,582	Closed	-$2.55M	–	448
2023 Q4	$2.55M	Buy	119,582 +7,147	+6%	+$156K	0.06%	184
2023 Q3	$2.58M	Buy	112,435 +96,008	+584%	+$2.15M	0.07%	163
2023 Q2	$343K	Buy	+16,427	New	+$340K	0.01%	383
2022 Q2	–	Sell	-43,121	Closed	-$1.02M	–	1767
2022 Q1	$1.02M	Buy	+43,121	New	+$947K	0.01%	791

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

Magnetar Financial's MGY Position: Q2 2026 in Review

Magnetar Financial opened a new position in Magnolia Oil & Gas (MGY) in Q2 2026: 32,068 shares worth $820K. The stake represents 0.01% of the portfolio and ranks #490 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in MGY as recently as Q4 2024.

Magnetar Financial first reported a position in MGY in Q1 2022 and has held it in 7 quarters since. The position peaked at $4.31M in Q4 2024. 411 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

Magnetar Financial held 32,068 shares of Magnolia Oil & Gas worth $820K as of Q2 2026.
Magnolia Oil & Gas was a new Magnetar Financial position in Q2 2026.
Magnolia Oil & Gas made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #490 holding.
Magnetar Financial first reported a position in Magnolia Oil & Gas in Q1 2022 and has held it in 7 quarters since.
Magnetar Financial's Magnolia Oil & Gas position peaked at $4.31M in Q4 2024.
411 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.