Holocene Advisors
MGY icon

Holocene Advisors’s Magnolia Oil & Gas MGY Stock Holding History

Holocene 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 		$1.71M Sell
66,693
-2,191
-3% -$62.6K ﹤0.01% 611
2026
Q1 		$2.17M Buy
+68,884
New +$1.84M 0.01% 559
2025
Q2 		– Sell
-73,673
Closed -$1.86M – 829
2025
Q1 		$1.86M Sell
73,673
-54,076
-42% -$1.31M 0.01% 551
2024
Q4 		$2.99M Sell
127,749
-4,103
-3% -$107K 0.01% 489
2024
Q3 		$3.22M Buy
131,852
+28,423
+27% +$716K 0.01% 461
2024
Q2 		$2.62M Sell
103,429
-205,779
-67% -$5.25M 0.01% 455
2024
Q1 		$8.02M Buy
309,208
+79,569
+35% +$1.75M 0.03% 313
2023
Q4 		$4.89M Buy
229,639
+4,818
+2% +$105K 0.02% 353
2023
Q3 		$5.15M Buy
224,821
+44,923
+25% +$1M 0.02% 380
2023
Q2 		$3.76M Buy
179,898
+74,605
+71% +$1.54M 0.02% 411
2023
Q1 		$2.3M Buy
+105,293
New +$2.34M 0.01% 436
2022
Q4 		– Sell
-54,913
Closed -$1.09M – 825
2022
Q3 		$1.09M Buy
+54,913
New +$1.22M 0.01% 597
2021
Q4 		– Sell
-41,897
Closed -$745K – 935
2021
Q3 		$745K Buy
+41,897
New +$633K ﹤0.01% 719
2021
Q1 		– Sell
-46,830
Closed -$331K – 887
2020
Q4 		$331K Buy
46,830
+31,839
+212% +$190K ﹤0.01% 685
2020
Q3 		$78K Sell
14,991
-35,207
-70% -$219K ﹤0.01% 654
2020
Q2 		$304K Sell
50,198
-44,862
-47% -$245K ﹤0.01% 563
2020
Q1 		$380K Sell
95,060
-81,076
-46% -$698K ﹤0.01% 587
2019
Q4 		$2.22M Buy
176,136
+23,188
+15% +$260K 0.02% 369
2019
Q3 		$1.7M Buy
+152,948
New +$1.64M 0.02% 349

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

Holocene Advisors's MGY Position: Q2 2026 in Review

Holocene Advisors reduced its Magnolia Oil & Gas (MGY) stake by 3.2% in Q2 2026, selling an estimated $62.6K and leaving 66,693 shares worth $1.71M. The position accounts for ﹤0.01% of the portfolio, ranked #611.

Holocene Advisors first reported a position in MGY in Q3 2019 and has held it in 19 quarters since. The position peaked at $8.02M in Q1 2024. 411 funds tracked by Wall St. Rank hold MGY as of Q2 2026.

  • Holocene Advisors held 66,693 shares of Magnolia Oil & Gas worth $1.71M as of Q2 2026.
  • Holocene Advisors sold 2,191 Magnolia Oil & Gas shares in Q2 2026, an estimated $62.6K.
  • Magnolia Oil & Gas made up ﹤0.01% of Holocene Advisors's portfolio in Q2 2026, its #611 holding.
  • Holocene Advisors first reported a position in Magnolia Oil & Gas in Q3 2019 and has held it in 19 quarters since.
  • Holocene Advisors's Magnolia Oil & Gas position peaked at $8.02M in Q1 2024.
  • 411 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q2 2026.

Based on Holocene Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.