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NYSE: MPLX
Mplx LP Stock Ownership - Who owns Mplx?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Mplx LP insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Molly R. BensonChief Legal Ofc Corp Sec2025-12-12306$54.85
$16.78kSell
Gregory Scott FloerkeExec. VP and COO2025-12-12242$54.85
$13.27kSell
Shawn M. LyonSenior VP Log. Storage2025-12-12245$54.85
$13.44kSell
Michael J. HenniganExecutive Chairman2025-12-121,335$54.85
$73.22kSell
Shawn M. LyonSenior VP Log. Storage2025-03-074,000$52.75
$211.00kBuy
Gregory Scott FloerkeExec. VP and COO2025-03-031,100$54.34
$59.77kSell
Carl Kristopher HagedornExec VP Chief Fin Ofc2025-03-03448$54.34
$24.34kSell
Carl Kristopher HagedornExec VP Chief Fin Ofc2025-03-03422$54.34
$22.93kSell
Carl Kristopher HagedornExec VP Chief Fin Ofc2025-03-03910$54.34
$49.45kSell
Michael J. HenniganExecutive Chairman2025-03-039,862$54.34
$535.90kSell

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Net Insider Buy/Sell (L12M) Ownership

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MPLX Shareholders

What type of owners hold Mplx LP stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Marathon Petroleum Corp63.66%647,415,452$37.13BInsider
Andeavor49.62%504,701,934$28.94BInsider
Markwest Hydrocarbon Inc7.81%79,466,136$4.56BInsider
Mplx Holdings Inc7.81%79,466,136$4.56BInsider
Goldman Sachs Group Inc1.23%12,461,655$714.68MInstitution
Kayne Anderson Capital Advisors LP0.71%7,227,400$414.49MInstitution
Morgan Stanley0.57%5,763,110$330.51MInstitution
Chickasaw Capital Management LLC0.53%5,429,906$311.41MInstitution
Ubs Group Ag0.52%5,304,746$304.23MInstitution
Jpmorgan Chase Co0.32%3,286,142$188.46MInstitution

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MPLX vs Oil & Gas Midstream Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MPLX6.66%93.34%Net SellingNet Selling
OKE64.32%0.89%Net SellingNet Buying
ET19.95%51.91%Net BuyingNet Buying
TRP48.20%0.00%
TRGP62.28%22.27%Net SellingNet Selling
View Top Oil & Gas Midstream Stocks

Mplx Stock Ownership FAQ

Who owns Mplx?

Mplx (NYSE: MPLX) is owned by 9.23% institutional shareholders, 129.30% Mplx insiders, and 0.00% retail investors. Marathon Petroleum Corp is the largest individual Mplx shareholder, owning 647.42M shares representing 63.66% of the company. Marathon Petroleum Corp's Mplx shares are currently valued at $37.13B.

If you're new to stock investing, here's how to buy Mplx stock.
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