Marathon Petroleum MPC Institutional Ownership

NYSE MPC

$388.82 -0.86 (-0.22%)

As of: Sep 23, 2026 · 3:04 PM EDT

Institutions by Trading Activity

1,929 Institutions

Increased 850 44.1%

Unchanged 376 19.5%

Reduced 703 36.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

76.58%

▲+1.98 pp QoQ

Shares Held by Institutions

221.30Mn

of 289.00Mn outstanding

▲+0.92% QoQ

Shares Outstanding

289.00Mn

67.70Mn held outside 13F filers

Institutional Investors

1,929

filed 13F for Jun 2026

▲+53 vs prior quarter

Net Shares Added (QoQ)

+2.01Mn

accumulated since last quarter

Value of Holdings

$86.28Bn

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) has 1,929 institutional investors that have filed 13F reports for the period ending June 2026.

Their combined ownership stood at 76.6% of outstanding shares in June 2026, up from 74.6% in March 2026.
Their total shares held in MPC increased 0.92% from the prior quarter, while the number of investors in Marathon Petroleum increased 23.73% year over year.
Among the 1,929 funds, 850 bought more Marathon Petroleum shares, 703 sold down, and 376 held their ground.
The aggregate institutional position in Marathon Petroleum amounted to 221.3Mn shares as of June 2026, up by 2.01Mn shares quarter on quarter, and down 13.95Mn shares year over year.
BlackRock, Inc. holds the largest position in MPC at 26.01Mn shares as of June 30, 2026, or 9.0% of shares outstanding.
The largest buyers of Marathon Petroleum 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).
The largest sellers of Marathon Petroleum for the quarter ending June 2026 were 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).
Per Business Quant data, the top 10 holders of Marathon Petroleum for the quarter ending June 2026 are 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

1,927 Institutional Holders

Report period 30 Jun, 2026

Total shares held 221.30Mn

Of outstanding 76.58%

#	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 1,927 holders