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
2023 Q2	–	Sell	-9,000	Closed	-$1.21M	–	5570
2023 Q1	$1.21M	Hold	9,000	–	–	﹤0.01%	4268
2022 Q4	$1.05M	Buy	+9,000	New	+$1.03M	﹤0.01%	4398
2014 Q2	–	Sell	-30,400	Closed	-$1.32M	–	3193
2014 Q1	$1.32M	Hold	30,400	–	–	﹤0.01%	1141
2013 Q4	$1.39M	Hold	30,400	–	–	﹤0.01%	1103
2013 Q3	$978K	Buy	+30,400	New	+$1.07M	﹤0.01%	1091

Other funds holding MPC

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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.