NYSE: MPC
Marathon Petroleum Corp Stock Ownership - Who owns Marathon Petroleum?

Insider buying vs selling

Have Marathon Petroleum Corp insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Ricky D. HesslingChief Commercial Officer2026-05-131,000$250.00
$250.00kSell
Ricky D. HesslingChief Commercial Officer2026-03-131,626$228.18
$371.02kSell
Ricky D. HesslingChief Commercial Officer2026-03-12559$230.00
$128.57kSell
Ricky D. HesslingChief Commercial Officer2026-03-12478$228.00
$108.98kSell
Ricky D. HesslingChief Commercial Officer2026-03-111,485$224.51
$333.40kSell
Ricky D. HesslingChief Commercial Officer2026-03-11325$226.00
$73.45kSell
Erin M. BrzezinskiVP and Controller2026-03-0242$206.30
$8.66kSell
Erin M. BrzezinskiVP and Controller2026-03-0259$206.30
$12.17kSell
Gregory Scott FloerkeEx VP COO MPLX GP LLC2026-03-02278$206.30
$57.35kSell
Gregory Scott FloerkeEx VP COO MPLX GP LLC2026-03-02251$206.30
$51.78kSell

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Net Insider Buy/Sell (L12M) Ownership

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MPC Shareholders

What type of owners hold Marathon Petroleum Corp stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc8.36%24,394,842$6.22BInstitution
Vanguard Capital Management LLC6.57%19,170,094$4.89BInstitution
State Street Corp6.52%19,025,020$4.85BInstitution
Vanguard Portfolio Management LLC5.37%15,672,113$4.00BInstitution
Geode Capital Management LLC2.68%7,821,524$1.99BInstitution
Morgan Stanley2.08%6,073,543$1.55BInstitution
Raymond James Financial Inc1.98%5,773,769$1.47BInstitution
Boston Partners1.94%5,649,204$1.44BInstitution
Wellington Management Group LLP1.93%5,637,187$1.44BInstitution
Fmr LLC1.68%4,911,081$1.25BInstitution

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MPC vs Oil & Gas Refining & Marketing Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MPC73.35%1.67%Net SellingNet Selling
VLO81.22%2.13%Net SellingNet Selling
PSX75.84%11.96%Net BuyingNet Selling
SUN31.00%69.00%Net Selling
DINO60.48%39.52%Net Selling

Marathon Petroleum Stock Ownership FAQ

Who owns Marathon Petroleum?

Marathon Petroleum (NYSE: MPC) is owned by 73.35% institutional shareholders, 1.67% Marathon Petroleum insiders, and 24.98% retail investors. Blackrock Inc is the largest individual Marathon Petroleum shareholder, owning 24.39M shares representing 8.36% of the company. Blackrock Inc's Marathon Petroleum shares are currently valued at $6.22B.

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