JFG
MGY icon

Jefferies Financial Group’s Magnolia Oil & Gas MGY Stock Holding History

Jefferies Financial Group’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
Q1 		– Sell
-614,682
Closed -$13.5M – 2034
2025
Q4 		$13.5M Buy
614,682
+507,524
+474% +$11.5M 0.07% 264
2025
Q3 		$2.56M Sell
107,158
-24,447
-19% -$583K 0.01% 561
2025
Q2 		$2.96M Sell
131,605
-125,849
-49% -$2.79M 0.02% 429
2025
Q1 		$6.5M Buy
+257,454
New +$6.24M 0.06% 227
2023
Q1 		– Sell
-111,375
Closed -$2.61M – 1845
2022
Q4 		$2.61M Buy
+111,375
New +$2.72M 0.02% 563

Other funds holding MGY

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM

Jefferies Financial Group's MGY Position: Q1 2026 in Review

Jefferies Financial Group sold out of Magnolia Oil & Gas (MGY) in Q1 2026, closing a stake of 614,682 shares — an estimated $13.5M sold.

Jefferies Financial Group first reported a position in MGY in Q4 2022 and held it in 5 quarters. The position peaked at $13.5M in Q4 2025. 405 funds tracked by Wall St. Rank hold MGY as of Q1 2026.

  • Jefferies Financial Group reported no remaining Magnolia Oil & Gas position as of Q1 2026 after selling out during the quarter.
  • Jefferies Financial Group sold 614,682 Magnolia Oil & Gas shares in Q1 2026, an estimated $13.5M.
  • Jefferies Financial Group first reported a position in Magnolia Oil & Gas in Q4 2022 and held it in 5 quarters.
  • Jefferies Financial Group's Magnolia Oil & Gas position peaked at $13.5M in Q4 2025.
  • 405 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q1 2026.

Based on Jefferies Financial Group's 13F filing for Q1 2026, filed 8 May 2026.