BlackRock
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BlackRock’s Marathon Petroleum MPC Stock Holding History

BlackRock’s Portfolio MPC Stock Details MPC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2022
Q2 		– Sell
-400,000
Closed -$34.2M – 5930
2022
Q1 		$34.2M Buy
+400,000
New +$30.4M ﹤0.01% 2816
2020
Q2 		– Sell
-1,660,400
Closed -$39.2M – 5085
2020
Q1 		$39.2M Buy
1,660,400
+726,400
+78% +$33.5M ﹤0.01% 2207
2019
Q4 		$56.3M Buy
+934,000
New +$58.4M ﹤0.01% 2293

Other funds holding MPC

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

BlackRock's MPC Position: Q2 2026 in Review

BlackRock increased its Marathon Petroleum (MPC) stake by 6.6% in Q2 2026, buying an estimated $396M and bringing the position to 26,006,017 shares worth $6.65B. The position accounts for 0.1% of the portfolio, ranked #157.

BlackRock first reported a position in MPC in Q2 2013 and has held it in 53 quarters since. 1,949 funds tracked by Wall St. Rank hold MPC as of Q2 2026.

  • BlackRock held 26,006,017 shares of Marathon Petroleum worth $6.65B as of Q2 2026.
  • BlackRock bought 1,611,175 Marathon Petroleum shares in Q2 2026, an estimated $396M.
  • Marathon Petroleum made up 0.1% of BlackRock's portfolio in Q2 2026, its #157 holding.
  • BlackRock first reported a position in Marathon Petroleum in Q2 2013 and has held it in 53 quarters since.
  • 1,949 funds tracked by Wall St. Rank held Marathon Petroleum as of Q2 2026.

Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.