Acadian Asset Management
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Acadian Asset Management’s Magnolia Oil & Gas MGY Stock Holding History

Acadian Asset 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 		– Sell
-12,825
Closed -$404K – 2133
2026
Q1 		$404K Buy
+12,825
New +$343K ﹤0.01% 1417
2024
Q4 		– Sell
-12,031
Closed -$293K – 1960
2024
Q3 		$293K Buy
+12,031
New +$303K ﹤0.01% 1237
2022
Q3 		– Sell
-8,143
Closed -$171K – 1776
2022
Q2 		$171K Sell
8,143
-2,543
-24% -$63.6K ﹤0.01% 1235
2022
Q1 		$252K Buy
10,686
+8,143
+320% +$179K ﹤0.01% 1158
2021
Q4 		$47K Hold
2,543
– – ﹤0.01% 1498
2021
Q3 		$45K Sell
2,543
-6,768
-73% -$102K ﹤0.01% 1565
2021
Q2 		$146K Buy
9,311
+5,792
+165% +$74.4K ﹤0.01% 1532
2021
Q1 		$41K Buy
+3,519
New +$36.7K ﹤0.01% 1873
2019
Q1 		– Sell
-70,062
Closed -$786K – 2006
2018
Q4 		$786K Buy
70,062
+49,397
+239% +$621K ﹤0.01% 800
2018
Q3 		$310K Buy
+20,665
New +$270K ﹤0.01% 987

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

Acadian Asset Management's MGY Position: Q2 2026 in Review

Acadian Asset Management sold out of Magnolia Oil & Gas (MGY) in Q2 2026, closing a stake of 12,825 shares — an estimated $404K sold.

Acadian Asset Management first reported a position in MGY in Q3 2018 and held it in 10 quarters. The position peaked at $786K in Q4 2018. 408 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

  • Acadian Asset Management reported no remaining Magnolia Oil & Gas position as of Q2 2026 after selling out during the quarter.
  • Acadian Asset Management sold 12,825 Magnolia Oil & Gas shares in Q2 2026, an estimated $404K.
  • Acadian Asset Management first reported a position in Magnolia Oil & Gas in Q3 2018 and held it in 10 quarters.
  • Acadian Asset Management's Magnolia Oil & Gas position peaked at $786K in Q4 2018.
  • 408 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.