Marathon Petroleum MPC Institutional Ownership

NYSE MPC

$391.04 +4.04 (+1.04%)

As of: Sep 3, 2026 · 12:30 PM EDT

Institutions by Trading Activity

1,922 Institutions

Increased 848 44.1%

Unchanged 373 19.4%

Reduced 701 36.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

76.57%

▲+1.98 pp QoQ

Shares Held by Institutions

221.29Mn

of 289.00Mn outstanding

▲+0.92% QoQ

Shares Outstanding

289.00Mn

67.71Mn held outside 13F filers

Institutional Investors

1,922

filed 13F for Jun 2026

▲+49 vs prior quarter

Net Shares Added (QoQ)

+2.01Mn

accumulated since last quarter

Value of Holdings

$84.72Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Marathon Petroleum Corp (NYSE:MPC) appears in 1,922 institutional 13F filings for the quarter ending June 2026.

They owned 76.6% of outstanding stock in June 2026, up from 74.6% the prior quarter.
Their total shares held in MPC increased 0.92% quarter over quarter, and separately, investors owning Marathon Petroleum increased 23.28% from a year ago.
Among the 1,922 funds, 848 bought more Marathon Petroleum shares, 701 sold down, and 373 held their ground.
In total, institutional investors held 221.29Mn shares in Marathon Petroleum as of June 2026, up by 2.01Mn shares quarter on quarter, and down 13.96Mn shares year over year.
BlackRock, Inc. leads ownership in MPC with 26.01Mn shares as of June 30, 2026, equal to 9.0% of outstanding shares.
Leading buyers of Marathon Petroleum shares for the quarter ending June 2026 were Sixth Street Partners Management Company, L.P. (2.62Mn), NORGES BANK (2.47Mn), BlackRock, Inc. (1.61Mn), Pacer Advisors, Inc. (1.25Mn), VICTORY CAPITAL MANAGEMENT INC (593.53K).
Top sellers of MPC stock for the quarter ending June 2026 included HARRIS ASSOCIATES L P (2.58Mn), WELLINGTON MANAGEMENT GROUP LLP (2.39Mn), Boston Partners (2.13Mn), Jpmorgan Chase & Co (699.61K), GHE, LLC (621.73K).
Business Quant data shows the 10 biggest positions in Marathon Petroleum as of June 2026 are held by BlackRock, Inc. (26.01Mn), VANGUARD CAPITAL MANAGEMENT LLC (19.07Mn), State Street Corp (18.47Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (15.63Mn), GEODE CAPITAL MANAGEMENT, LLC (8.35Mn), Morgan Stanley (5.89Mn), Raymond James Financial Inc (5.68Mn), FMR LLC (5.42Mn), Bank of New York Mellon Corp (4.03Mn), Boston Partners (3.52Mn).

Form 13F Holdings

1,922 Institutional Holders

Report period 30 Jun, 2026

Total shares held 221.29Mn

Of outstanding 76.57%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	26,006,017	9.00%	▲1,611,175	+6.60%	$6.65Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	19,074,289	6.60%	▼95,805	-0.50%	$4.88Bn
3	State Street Corp	0000093751	18,471,905	6.39%	▼553,115	-2.91%	$4.72Bn
4	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	15,631,265	5.41%	▼40,848	-0.26%	$4.00Bn
5	GEODE CAPITAL MANAGEMENT, LLC	0001214717	8,351,157	2.89%	▲529,633	+6.77%	$2.13Bn
6	Morgan Stanley	0000895421	5,887,382	2.04%	▼186,161	-3.07%	$1.51Bn
7	Raymond James Financial Inc	0000720005	5,684,963	1.97%	▼88,806	-1.54%	$1.45Bn
8	FMR LLC	0000315066	5,419,718	1.88%	▲508,637	+10.36%	$1.39Bn
9	Bank of New York Mellon Corp	0001390777	4,027,107	1.39%	▲73,789	+1.87%	$1.03Bn
10	Boston Partners	0001386060	3,515,417	1.22%	▼2,133,787	-37.77%	$905.82Mn
11	WELLINGTON MANAGEMENT GROUP LLP	0000902219	3,252,153	1.13%	▼2,385,034	-42.31%	$831.48Mn
12	Northern Trust Corp	0000073124	3,126,059	1.08%	▼50,810	-1.60%	$799.24Mn
13	DIMENSIONAL FUND ADVISORS LP	0000354204	3,056,082	1.06%	▼31,900	-1.03%	$781.45Mn
14	Goldman Sachs Group Inc	0000886982	2,884,591	1.00%	▲129,748	+4.71%	$737.50Mn
15	Jpmorgan Chase & Co	0000019617	2,736,206	0.95%	▼699,606	-20.36%	$709.28Mn
16	Sixth Street Partners Management Company, L.P.	0001812095	2,622,511	0.91%	▲2,622,511	0.00%	$670.50Mn
16	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	2,622,511	0.91%	▼106,878	-3.92%	$670.50Mn
17	NORGES BANK	0001374170	2,465,801	0.85%	▲2,465,801	0.00%	$630.43Mn
18	Bank Of America Corp /De/	0000070858	2,432,168	0.84%	▼162,916	-6.28%	$621.83Mn
19	Invesco Ltd.	0000914208	2,341,034	0.81%	▼487,611	-17.24%	$598.53Mn

Showing 1 to 20 of 1,922 holders