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Sierra Ocean’s Magnolia Oil & Gas MGY Stock Holding History

Sierra Ocean’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
2025
Q3 		– Sell
-141
Closed -$3.17K – 584
2025
Q2 		$3.17K Buy
+141
New +$3.12K ﹤0.01% 674
2025
Q1 		– Sell
-84
Closed -$1.96K – 1094
2024
Q4 		$1.96K Buy
+84
New +$2.18K ﹤0.01% 773

Other funds holding MGY

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Macquarie Group
Macquarie Group Sydney, NSW 2000, Australia $16.8B AUM 27.39% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Sierra Ocean's MGY Position: Q3 2025 in Review

Sierra Ocean sold out of Magnolia Oil & Gas (MGY) in Q3 2025, closing a stake of 141 shares — an estimated $3.17K sold.

Sierra Ocean first reported a position in MGY in Q4 2024 and held it in 2 quarters. The position peaked at $3.17K in Q2 2025. 373 funds tracked by Wall St. Rank hold MGY as of Q3 2025.

  • Sierra Ocean reported no remaining Magnolia Oil & Gas position as of Q3 2025 after selling out during the quarter.
  • Sierra Ocean sold 141 Magnolia Oil & Gas shares in Q3 2025, an estimated $3.17K.
  • Sierra Ocean first reported a position in Magnolia Oil & Gas in Q4 2024 and held it in 2 quarters.
  • Sierra Ocean's Magnolia Oil & Gas position peaked at $3.17K in Q2 2025.
  • 373 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q3 2025.

Based on Sierra Ocean's 13F filing for Q3 2025, filed 7 Nov 2025.