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Great Lakes Advisors’s Magnolia Oil & Gas MGY Stock Holding History

Great Lakes Advisors’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 		$4.68M Sell
182,784
-3,782
-2% -$108K 0.04% 250
2026
Q1 		$5.89M Buy
186,566
+30,066
+19% +$805K 0.05% 202
2025
Q4 		$3.43M Buy
156,500
+13,480
+9% +$307K 0.03% 313
2025
Q3 		$3.41M Sell
143,020
-15,931
-10% -$380K 0.03% 329
2025
Q2 		$3.57M Sell
158,951
-3,891
-2% -$86.2K 0.03% 350
2025
Q1 		$4.11M Sell
162,842
-20,307
-11% -$492K 0.04% 309
2024
Q4 		$4.28M Sell
183,149
-23,601
-11% -$613K 0.04% 351
2024
Q3 		$5.05M Sell
206,750
-17,997
-8% -$453K 0.04% 323
2024
Q2 		$5.7M Sell
224,747
-8,744
-4% -$223K 0.05% 278
2024
Q1 		$6.06M Buy
233,491
+5,273
+2% +$116K 0.05% 287
2023
Q4 		$4.86M Sell
228,218
-142,216
-38% -$3.11M 0.05% 322
2023
Q3 		$8.49M Buy
370,434
+40,353
+12% +$902K 0.08% 219
2023
Q2 		$6.9M Sell
330,081
-170,768
-34% -$3.53M 0.07% 259
2023
Q1 		$11M Buy
+500,849
New +$11.1M 0.1% 200

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
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

Great Lakes Advisors's MGY Position: Q2 2026 in Review

Great Lakes Advisors reduced its Magnolia Oil & Gas (MGY) stake by 2% in Q2 2026, selling an estimated $108K and leaving 182,784 shares worth $4.68M. The position accounts for 0.04% of the portfolio, ranked #250.

Great Lakes Advisors first reported a position in MGY in Q1 2023 and has held it in 14 quarters since. The position peaked at $11M in Q1 2023. 408 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

  • Great Lakes Advisors held 182,784 shares of Magnolia Oil & Gas worth $4.68M as of Q2 2026.
  • Great Lakes Advisors sold 3,782 Magnolia Oil & Gas shares in Q2 2026, an estimated $108K.
  • Magnolia Oil & Gas made up 0.04% of Great Lakes Advisors's portfolio in Q2 2026, its #250 holding.
  • Great Lakes Advisors first reported a position in Magnolia Oil & Gas in Q1 2023 and has held it in 14 quarters since.
  • Great Lakes Advisors's Magnolia Oil & Gas position peaked at $11M in Q1 2023.
  • 408 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

Based on Great Lakes Advisors's 13F filing for Q2 2026, filed 10 Aug 2026.