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Magnolia Oil & Gas Corp

MGY
Exchange
NYSE
Industry
Crude Petroleum & Natural Gas
SEC CIK
0001698990

In the last 90 days, Magnolia Oil & Gas Corp insiders filed 3 open-market purchases and 0 sales; 411 institutions reported holding it in 13F filings for Q2 2026, worth $5.28B in total; no superinvestor holds it.

13F holders, Q2 2021

Institutional positions in Magnolia Oil & Gas Corp as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
206
+16 vs. Q1 2021
Shares held
180.5M
+402.7K (+0.2%) vs. Q1 2021
Total value
$2.83B
+$759.6M (+36.7%) vs. Q1 2021
New holders
41
82 more added
Sold out
25
60 more reduced

Compare with Q1 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MGY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2021: 206 institutions
Q1 2021: 190 institutionsQ2 2021: 206 institutionsQ3 2021: 240 institutionsQ4 2021: 234 institutionsQ1 2022: 251 institutionsQ2 2022: 283 institutionsQ3 2022: 280 institutionsQ4 2022: 295 institutionsQ1 2023: 276 institutionsQ2 2023: 281 institutionsQ3 2023: 288 institutionsQ4 2023: 297 institutionsQ1 2024: 323 institutionsQ2 2024: 347 institutionsQ3 2024: 367 institutionsQ4 2024: 383 institutionsQ1 2025: 407 institutionsQ2 2025: 385 institutionsQ3 2025: 373 institutionsQ4 2025: 379 institutionsQ1 2026: 406 institutionsQ2 2026: 411 institutions
Value heldQ2 2021: $2.83B
Q1 2021: $2.07BQ2 2021: $2.83BQ3 2021: $3.23BQ4 2021: $3.55BQ1 2022: $4.47BQ2 2022: $4.14BQ3 2022: $3.83BQ4 2022: $4.56BQ1 2023: $4.37BQ2 2023: $4.14BQ3 2023: $4.41BQ4 2023: $4.19BQ1 2024: $5.78BQ2 2024: $5.60BQ3 2024: $5.44BQ4 2024: $5.15BQ1 2025: $5.51BQ2 2025: $4.85BQ3 2025: $4.92BQ4 2025: $4.37BQ1 2026: $6.39BQ2 2026: $5.28B
Institutions holding MGY and their total value by quarter
QuarterHoldersValue
Q2 2026411$5.28B
Q1 2026406$6.39B
Q4 2025379$4.37B
Q3 2025373$4.92B
Q2 2025385$4.85B
Q1 2025407$5.51B
Q4 2024383$5.15B
Q3 2024367$5.44B
Q2 2024347$5.60B
Q1 2024323$5.78B
Q4 2023297$4.19B
Q3 2023288$4.41B
Q2 2023281$4.14B
Q1 2023276$4.37B
Q4 2022295$4.56B
Q3 2022280$3.83B
Q2 2022283$4.14B
Q1 2022251$4.47B
Q4 2021234$3.55B
Q3 2021240$3.23B
Q2 2021206$2.83B
Q1 2021190$2.07B

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Magnolia Oil & Gas Corp; share changes are against Q1 2021.

Institutions holding MGY in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Wellington Management Group LLP6,932,810$108.4M0.02%−614,560−8.1%Reduced
BlackRock Inc.10,823,307$169.2M0.00%+50,574+0.5%Added
FMR LLC11,221,849$175.4M0.01%+815,539+7.8%Added
Vanguard Group Inc15,037,371$235.0M0.01%+639,753+4.4%Added
Price T Rowe Associates Inc18,591,190$290.6M0.03%+84,812+0.5%Added
EnerVest, Ltd.23,004,226$359.6M100.00%−6,499,621−22.0%Reduced
Cooperman Leon G0$00.00%−1,994,548−100.0%Sold out
Aventail Capital Group, LP0$00.00%−1,378,258−100.0%Sold out
Covalis Capital LLP0$00.00%−623,998−100.0%Sold out
Ameriprise Financial Inc0$00.00%−552,687−100.0%Sold out
California Public Employees Retirement System0$00.00%−254,300−100.0%Sold out
Marshall Wace, LLP0$00.00%−252,811−100.0%Sold out
Marshall Wace North America L.P.0$00.00%−156,552−100.0%Sold out
Cipher Capital LP0$00.00%−98,633−100.0%Sold out
Athanor Capital, LP0$00.00%−68,683−100.0%Sold out
PDT Partners, LLC0$00.00%−64,361−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−62,428−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−57,800−100.0%Sold out
Exos Asset Management LLC0$00.00%−55,299−100.0%Sold out
Nomura Holdings Inc0$00.00%−40,000−100.0%Sold out
HSBC Holdings PLC0$00.00%−19,785−100.0%Sold out
Engineers Gate Manager LP0$00.00%−19,026−100.0%Sold out
Man Group plc0$00.00%−13,900−100.0%Sold out
Pearl River Capital, LLC0$00.00%−10,229−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−8,693−100.0%Sold out
Bollard Group LLC0$00.00%−4,540−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−4,074−100.0%Sold out
Eaton Vance Management0$00.00%−647−100.0%Sold out
Cutler Group LP0$00.00%−375−100.0%Sold out
Allred Capital Management, LLC0$00.00%−150−100.0%Sold out
Meridian Wealth Partners, LLC0$00.00%−62−100.0%Sold out