JG
MGY icon

Joel Greenblatt’s Magnolia Oil & Gas MGY Stock Holding History

Joel Greenblatt’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 		$682K Sell
26,646
-23,172
-47% -$662K ﹤0.01% 1436
2026
Q1 		$1.57M Sell
49,818
-2,401
-5% -$64.3K ﹤0.01% 1179
2025
Q4 		$1.14M Sell
52,219
-109,054
-68% -$2.48M ﹤0.01% 1223
2025
Q3 		$3.85M Buy
161,273
+40,060
+33% +$955K 0.02% 842
2025
Q2 		$2.72M Buy
121,213
+36,538
+43% +$809K 0.02% 830
2025
Q1 		$2.14M Buy
84,675
+58,412
+222% +$1.42M 0.02% 778
2024
Q4 		$614K Buy
26,263
+1
+0% +$26 0.01% 1054
2024
Q3 		$641K Hold
26,262
– – 0.01% 1029
2024
Q2 		$665K Sell
26,262
-1
-0% -$26 0.01% 1005
2024
Q1 		$682K Sell
26,263
-7
-0% -$154 0.01% 953
2023
Q4 		$559K Sell
26,270
-7,302
-22% -$160K 0.01% 954
2023
Q3 		$769K Buy
33,572
+7,306
+28% +$163K 0.02% 862
2023
Q2 		$549K Hold
26,266
– – 0.01% 937
2023
Q1 		$575K Sell
26,266
-2,079
-7% -$46.1K 0.01% 908
2022
Q4 		$665K Hold
28,345
– – 0.02% 807
2022
Q3 		$562K Sell
28,345
-4
-0% -$89 0.02% 823
2022
Q2 		$595K Buy
28,349
+6
+0% +$150 0.02% 738
2022
Q1 		$670K Buy
28,343
+2
+0% +$44 0.02% 697
2021
Q4 		$535K Sell
28,341
-11,656
-29% -$231K 0.02% 752
2021
Q3 		$712K Sell
39,997
-18,573
-32% -$281K 0.03% 557
2021
Q2 		$915K Sell
58,570
-2,715
-4% -$34.9K 0.04% 509
2021
Q1 		$704K Sell
61,285
-41,016
-40% -$427K 0.03% 585
2020
Q4 		$722K Sell
102,301
-45,554
-31% -$272K 0.02% 628
2020
Q3 		$764K Sell
147,855
-55,386
-27% -$345K 0.02% 625
2020
Q2 		$1.23M Buy
203,241
+149,050
+275% +$814K 0.04% 505
2020
Q1 		$217K Buy
+54,191
New +$466K 0.01% 923

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

Joel Greenblatt's MGY Position: Q2 2026 in Review

Joel Greenblatt reduced its Magnolia Oil & Gas (MGY) stake by 47% in Q2 2026, selling an estimated $662K and leaving 26,646 shares worth $682K. The position accounts for ﹤0.01% of the portfolio, ranked #1436.

Joel Greenblatt first reported a position in MGY in Q1 2020 and has held it in 26 quarters since. The position peaked at $3.85M in Q3 2025. 406 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

  • Joel Greenblatt held 26,646 shares of Magnolia Oil & Gas worth $682K as of Q2 2026.
  • Joel Greenblatt sold 23,172 Magnolia Oil & Gas shares in Q2 2026, an estimated $662K.
  • Magnolia Oil & Gas made up ﹤0.01% of Joel Greenblatt's portfolio in Q2 2026, its #1436 holding.
  • Joel Greenblatt first reported a position in Magnolia Oil & Gas in Q1 2020 and has held it in 26 quarters since.
  • Joel Greenblatt's Magnolia Oil & Gas position peaked at $3.85M in Q3 2025.
  • 406 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

Based on Gotham Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.