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

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

BlackRock's MPC Position: Q1 2026 in Review

BlackRock increased its Marathon Petroleum (MPC) stake by 8.8% in Q1 2026, buying an estimated $398M and bringing the position to 24,394,842 shares worth $5.96B. The position accounts for 0.1% of the portfolio, ranked #170.

BlackRock first reported a position in MPC in Q2 2013 and has held it in 52 quarters since. The position peaked at $6.05B in Q1 2024. 1,883 funds tracked by Wall St. Rank hold MPC as of Q1 2026.

  • BlackRock held 24,394,842 shares of Marathon Petroleum worth $5.96B as of Q1 2026.
  • BlackRock bought 1,969,621 Marathon Petroleum shares in Q1 2026, an estimated $398M.
  • Marathon Petroleum made up 0.1% of BlackRock's portfolio in Q1 2026, its #170 holding.
  • BlackRock first reported a position in Marathon Petroleum in Q2 2013 and has held it in 52 quarters since.
  • BlackRock's Marathon Petroleum position peaked at $6.05B in Q1 2024.
  • 1,883 funds tracked by Wall St. Rank held Marathon Petroleum as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.