Marathon Petroleum Corp (MPC) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

303,769,401Shares Outstanding

1,119,947Shares held by institutions

$224,594,171Value of institutional holdings

69.44%Institutional ownership %

3.01%Shares Changed QoQ

1,558No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Marathon Petroleum Corp (NYSE:MPC) currently has 1558 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

Institutional ownership in Marathon Petroleum edged down to 69.4% in December 2025, compared to 72.6% in September 2025.
Quarterly data indicates a 3.01% shift in institutional share volume, and the annual owner count reflects an increase of 2.30%.
A review of institutional activity for Marathon Petroleum shows 716 of 1558 filers increasing their positions, while 540 reduced their stake, and 302 remained unchanged.
This class of investors increased its holdings in Marathon Petroleum to 210.92Mn shares for the 13F-cycle ending December 2025, up by 6.16Mn shares quarter on quarter, and down 25.19Mn shares year over year.
The top institutional stake in Marathon Petroleum as of December 31, 2025 belongs to VANGUARD GROUP INC, which owns 38.29Mn shares, or 12.61% of the company.
Among the most significant buyers of Marathon Petroleum during December 2025 were NORGES BANK (2.90Mn), Capital Wealth Planning, LLC (1.50Mn), Qube Research & Technologies Ltd (1.10Mn), CITADEL ADVISORS LLC (568.25K), Man Group plc (543.79K).
Leading sellers of Marathon Petroleum stock in December 2025 included WELLINGTON MANAGEMENT GROUP LLP (2.16Mn), MILLENNIUM MANAGEMENT LLC (1.19Mn), Bank of New York Mellon Corp (737.69K), PANAGORA ASSET MANAGEMENT INC (655.83K), FMR LLC (615.07K).
The top 10 institutional holders of Marathon Petroleum for the quarter ending December 2025 included VANGUARD GROUP INC (38.29Mn), BlackRock, Inc. (22.43Mn), STATE STREET CORP (17.93Mn), GEODE CAPITAL MANAGEMENT, LLC (7.77Mn), WELLINGTON MANAGEMENT GROUP LLP (7.20Mn), Boston Partners (6.12Mn), MORGAN STANLEY (6.08Mn), Bank of New York Mellon Corp (4.41Mn), HARRIS ASSOCIATES L P (4.03Mn), FMR LLC (3.47Mn).

1,558 Institutional Holders

1,119,947 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	38,291,917	-52,760	-0.14%	$6,227,414,461.00
BlackRock, Inc.	31 Dec, 2025	22,425,221	8,767	0.04%	$3,647,013,573.00
STATE STREET CORP	31 Dec, 2025	17,934,327	47,896	0.27%	$2,916,659,600.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	7,769,469	-151,345	-1.91%	$1,258,626,641.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	7,203,536	-2,164,683	-23.11%	$1,171,511,059.00
Boston Partners	31 Dec, 2025	6,119,715	-185,713	-2.95%	$997,916,388.00
MORGAN STANLEY	31 Dec, 2025	6,083,885	-182,350	-2.91%	$989,422,575.00
Bank of New York Mellon Corp	31 Dec, 2025	4,411,214	-737,691	-14.33%	$717,395,738.00
HARRIS ASSOCIATES L P	31 Dec, 2025	4,031,962	26,380	0.66%	$655,717,903.00
FMR LLC	31 Dec, 2025	3,472,013	-615,069	-15.05%	$564,653,346.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	3,348,270	-62,385	-1.83%	$544,573,544.00
NORTHERN TRUST CORP	31 Dec, 2025	3,289,566	-133,960	-3.91%	$534,982,119.00
JPMORGAN CHASE & CO	31 Dec, 2025	3,197,830	380,131	13.49%	$520,063,478.00
NORGES BANK	31 Dec, 2025	2,904,209	2,904,209	0.00%	$472,311,510.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	2,818,361	11,693	0.42%	$458,350,049.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	2,570,739	168,737	7.02%	$418,079,432.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	2,554,960	488,070	23.61%	$415,513,089.00
AMERIPRISE FINANCIAL INC	31 Dec, 2025	2,248,954	4,605	0.21%	$365,751,697.00
Amundi	31 Dec, 2025	1,856,704	229,842	14.13%	$301,955,772.00
Legal & General Group Plc	31 Dec, 2025	1,714,107	-146,913	-7.89%	$278,765,219.00

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