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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.

Key figures

Insider buysLast 90 days, $324.6K in total
3
Insider sellsOpen market, last 90 days
0
13F holdersQ2 2026, +12 vs. previous quarter
411
13F valueReported value at the end of Q2 2026
$5.28B
Superinvestors holdingAt the end of Q2 2026
0

Price chart

Superinvestors holding MGY, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding MGY at the end of Q2 2026.

Latest insider trades

Open-market purchases and sales by Magnolia Oil & Gas Corp insiders from Form 4, newest first.

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Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 3, 2026 (view filing)4:42 PM ETSep 12 daysKhani David M.DirectorPPurchaseClass A Common Stock+54$26.78+$1.45K+0.2%30.7K after
Aug 11, 2026 (view filing)4:27 PM ETAug 74 daysRopp Ralph LewisDirectorPPurchaseClass A Common Stock+5.00K$24.63+$123.1K+23.8%26.0K after
Aug 11, 2026 (view filing)4:25 PM ETAug 74 daysKhani David M.DirectorPPurchaseClass A Common Stock+8.00K$25.00+$200.0K+35.4%30.6K after
Jun 3, 2026 (view filing)Jun 12 daysSzabo ShandellDirectorPPurchaseClass A Common Stock+86$27.44+$2.36K+0.4%20.7K after
Mar 31, 2026 (view filing)Mar 301 daySzabo ShandellDirectorSSaleClass A Common Stock−11.7K$31.98−$375.2K−45.1%14.3K after
Mar 11, 2026 (view filing)Mar 92 daysCorales BrianSVP & CHIEF FINANCIAL OFFICERSSaleClass A Common Stock−33.0K$29.12−$961.0K−15.2%184.2K after
Mar 11, 2026 (view filing)Mar 92 daysAcosta ArciliaDirectorSSaleClass A Common Stock−19.2K$29.10−$559.7K−13.0%128.2K after
Mar 11, 2026 (view filing)Mar 92 daysYang Timothy D.EVP, CHIEF LEGAL & COMM & SECSSaleClass A Common Stock−150.0K$29.29−$4.39M−22.2%526.7K after
Mar 11, 2026 (view filing)Mar 92 daysStavros Christopher GCEO & CHAIRMANSSaleClass A Common Stock−120.0K$29.29−$3.51M−12.0%883.6K after
Mar 11, 2026 (view filing)Mar 92 daysSmith Dan FDirectorSSaleClass A Common Stock−18.0K$29.01−$522.2K−13.1%119.2K after

Top 10 13F holders, Q2 2026

The largest institutional positions in Magnolia Oil & Gas Corp at the end of Q2 2026; share changes are against Q1 2026.

See all 411 holders
Institutions holding MGY in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.31,972,219$817.8M0.01%+2,481,070+8.4%Added
Vanguard Portfolio Management LLC15,341,201$392.4M0.02%+2,357,806+18.2%Added
American Century Companies Inc11,011,458$281.7M0.12%+502,218+4.8%Added
State Street Corp9,941,466$254.3M0.01%+445,191+4.7%Added
Vanguard Capital Management LLC7,663,263$196.0M0.00%+474,839+6.6%Added
Dimensional Fund Advisors LP7,117,449$182.1M0.03%+88,668+1.3%Added
Jupiter Topco LLC6,427,893$164.4M0.07%+6,427,893New
Arrowstreet Capital, Limited Partnership5,463,526$139.8M0.06%−800,282−12.8%Reduced
T. Rowe Price Investment Management, Inc.5,180,518$132.5M0.09%−13,369−0.3%Reduced
Alliancebernstein L.P.4,122,434$130.1M0.05%−328,808−7.4%Reduced