GATEWAY INVESTMENT ADVISERS LLC

Position in MPC — Marathon Petroleum Corp

CIK 1114618 CINCINNATI, OH

Position in MPC

as of Jun 30, 2026 · filed Jul 20, 2026 Compact

Position Value

$2,249,896

+$101,357 QoQ

Shares Held

8,800

+0.0% QoQ

Ownership

0.003%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#608

of 1,926 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

GATEWAY INVESTMENT ADVISERS LLC holds $14,609,304 across 4 Oil & Gas Refining & Marketing names. MPC ranks #3 (15.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VLO	Valero Energy Corp/Tx	26,926	$7,012,607
2	PSX	Phillips 66	21,187	$3,581,662
3	MPC	Marathon Petroleum Corp This page	8,800	$2,249,896
4	DINO	HF Sinclair Corp	25,343	$1,765,139

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,249,896	8,800	+0.0%	Shares	Sole	2026-07-20
2026-03-31	$2,148,539	8,799	-73.2%	Shares	Sole	2026-04-13
2025-12-31	$5,346,623	32,876	-1.8%	Shares	Sole	2026-02-03
2025-09-30	$6,449,465	33,462	+2.1%	Shares	Sole	2025-10-21
2025-06-30	$5,444,919	32,779	-11.0%	Shares	Sole	2025-07-09
2025-03-31	$5,366,199	36,833	+5.2%	Shares	Sole	2025-04-11
2024-12-31	$4,882,918	35,003	-4.8%	Shares	Sole	2025-01-15
2024-09-30	$5,989,711	36,767	-4.9%	Shares	Sole	2024-10-10
2024-06-30	$6,708,471	38,670	+17.1%	Shares	Sole	2024-07-12
2024-03-31	$6,652,724	33,016	-7.2%	Shares	Sole	2024-04-12
2023-12-31	$5,277,758	35,574	+1.8%	Shares	Sole	2024-01-10
2023-09-30	$5,286,911	34,934	-2.2%	Shares	Sole	2023-10-19
2023-06-30	$4,165,185	35,722	-0.7%	Shares	Sole	2023-07-14
2023-03-31	$4,849,700	35,969	-0.3%	Shares	Sole	2023-04-11
2022-12-31	$4,199,351	36,080	+1.8%	Shares	Sole	2023-01-13
2022-09-30	$3,519,758	35,435	-27.0%	Shares	Sole	2022-10-07
2022-06-30	$3,992,528	48,565	+0.0%	Shares	Sole	2022-07-13
2022-03-31	$4,150,939	48,549	-2.1%	Shares	Sole	2022-04-14
2021-12-31	$3,173,967	49,601	-1.7%	Shares	Sole	2022-01-14
2021-09-30	$3,118,870	50,459	-0.4%	Shares	Sole	2021-10-22
2021-06-30	$3,060,877	50,660	-80.0%	Shares	Sole	2021-07-13
2021-03-31	$13,572,392	253,737	+0.5%	Shares	Sole	2021-04-14
2020-12-31	$10,441,042	252,443	-0.1%	Shares	Sole	2021-01-14
2020-09-30	$7,412,574	252,644	-24.8%	Shares	Sole	2020-10-19
2020-06-30	$12,559,081	335,984	-3.8%	Shares	Sole	2020-07-15
2020-03-31	$8,250,867	349,317	—	Shares	Sole	2020-04-13
No filing history on record for this holder in this stock.