Vanguard Portfolio Management
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Vanguard Portfolio Management’s Magnolia Oil & Gas MGY Stock Holding History

Vanguard Portfolio 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 		$392M Buy
15,341,201
+2,357,806
+18% +$67.3M 0.02% 830
2026
Q1 		$410M Buy
+12,983,395
New +$347M 0.02% 741

Other funds holding MGY

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
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
JT
Jupiter Topco New York $245B AUM
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
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Vanguard Portfolio Management's MGY Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Magnolia Oil & Gas (MGY) stake by 18% in Q2 2026, buying an estimated $67.3M and bringing the position to 15,341,201 shares worth $392M. The position accounts for 0.02% of the portfolio, ranked #830.

Vanguard Portfolio Management first reported a position in MGY in Q1 2026 and has held it in 2 quarters since. The position peaked at $410M in Q1 2026. 384 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

  • Vanguard Portfolio Management held 15,341,201 shares of Magnolia Oil & Gas worth $392M as of Q2 2026.
  • Vanguard Portfolio Management bought 2,357,806 Magnolia Oil & Gas shares in Q2 2026, an estimated $67.3M.
  • Magnolia Oil & Gas made up 0.02% of Vanguard Portfolio Management's portfolio in Q2 2026, its #830 holding.
  • Vanguard Portfolio Management first reported a position in Magnolia Oil & Gas in Q1 2026 and has held it in 2 quarters since.
  • Vanguard Portfolio Management's Magnolia Oil & Gas position peaked at $410M in Q1 2026.
  • 384 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.