Group One Trading
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Group One Trading’s Magnolia Oil & Gas MGY Stock Holding History

Group One Trading’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
Q1 		$60K Sell
1,900
-8,700
-82% -$233K ﹤0.01% 5122
2025
Q4 		$232K Sell
10,600
-4,300
-29% -$97.8K ﹤0.01% 4242
2025
Q3 		$356K Buy
14,900
+9,600
+181% +$229K ﹤0.01% 4048
2025
Q2 		$119K Buy
5,300
+4,000
+308% +$88.6K ﹤0.01% 4822
2025
Q1 		$32.8K Buy
+1,300
New +$31.5K ﹤0.01% 5483
2024
Q4 		– Sell
-2,500
Closed -$61K – 7682
2024
Q3 		$61K Sell
2,500
-10,400
-81% -$262K ﹤0.01% 4514
2024
Q2 		$327K Sell
12,900
-12,900
-50% -$329K ﹤0.01% 2960
2024
Q1 		$670K Buy
25,800
+14,300
+124% +$314K ﹤0.01% 2459
2023
Q4 		$245K Sell
11,500
-24,300
-68% -$532K ﹤0.01% 3686
2023
Q3 		$820K Sell
35,800
-1,700
-5% -$38K ﹤0.01% 2461
2023
Q2 		$784K Buy
37,500
+17,700
+89% +$366K ﹤0.01% 2589
2023
Q1 		$433K Sell
19,800
-400
-2% -$8.88K ﹤0.01% 2914
2022
Q4 		$474K Buy
20,200
+20,100
+20,100% +$490K ﹤0.01% 3096
2022
Q3 		$2K Sell
100
-600
-86% -$13.3K ﹤0.01% 7168
2022
Q2 		$15K Sell
700
-15,100
-96% -$377K ﹤0.01% 6513
2022
Q1 		$374K Sell
15,800
-74,600
-83% -$1.64M ﹤0.01% 4132
2021
Q4 		$1.71M Buy
90,400
+70,400
+352% +$1.4M ﹤0.01% 2781
2021
Q3 		$356K Buy
20,000
+16,800
+525% +$254K ﹤0.01% 4569
2021
Q2 		$50K Sell
3,200
-19,900
-86% -$256K ﹤0.01% 6578
2021
Q1 		$265K Buy
23,100
+12,100
+110% +$126K ﹤0.01% 4722
2020
Q4 		$78K Buy
11,000
+7,000
+175% +$41.7K ﹤0.01% 4736
2020
Q3 		$21K Sell
4,000
-27,400
-87% -$171K ﹤0.01% 5099
2020
Q2 		$190K Buy
31,400
+2,400
+8% +$13.1K ﹤0.01% 3423
2020
Q1 		$116K Buy
29,000
+18,900
+187% +$163K ﹤0.01% 3183
2019
Q4 		$127K Buy
+10,100
New +$113K ﹤0.01% 3482
2019
Q2 		– Sell
-9,000
Closed -$108K – 5214
2019
Q1 		$108K Sell
9,000
-6,100
-40% -$74.3K ﹤0.01% 3119
2018
Q4 		$169K Sell
15,100
-2,400
-14% -$30.2K ﹤0.01% 2813
2018
Q3 		$263K Buy
+17,500
New +$228K ﹤0.01% 2808

Other funds holding MGY

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM

Group One Trading's MGY Position: Q1 2026 in Review

Group One Trading opened a new position in Magnolia Oil & Gas (MGY) in Q1 2026: 984 shares worth $31.1K. The stake represents ﹤0.01% of the portfolio and ranks #5635 among its holdings. This is a return to the name: Group One Trading previously reported a position in MGY as recently as Q3 2025.

Group One Trading first reported a position in MGY in Q4 2018 and has held it in 18 quarters since. The position peaked at $2.89M in Q3 2022. 404 funds tracked by Wall St. Rank hold MGY as of Q1 2026.

  • Group One Trading held 984 shares of Magnolia Oil & Gas worth $31.1K as of Q1 2026.
  • Magnolia Oil & Gas was a new Group One Trading position in Q1 2026.
  • Magnolia Oil & Gas made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5635 holding.
  • Group One Trading first reported a position in Magnolia Oil & Gas in Q4 2018 and has held it in 18 quarters since.
  • Group One Trading's Magnolia Oil & Gas position peaked at $2.89M in Q3 2022.
  • 404 funds tracked by Wall St. Rank held Magnolia Oil & Gas as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.