GUYASUTA INVESTMENT ADVISORS INC

Position in MPC — Marathon Petroleum Corp

CIK 928568 PITTSBURGH, PA

Position in MPC

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

Position Value

$744,255

+$33,448 QoQ

Shares Held

2,911

0.0% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#956

of 1,924 holders

Holding Since

Mar 2022

18 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

GUYASUTA INVESTMENT ADVISORS INC holds $2,643,839 across 3 Oil & Gas Refining & Marketing names. MPC ranks #2 (28.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PSX	Phillips 66	8,493	$1,435,741
2	MPC	Marathon Petroleum Corp This page	2,911	$744,255
3	VLO	Valero Energy Corp/Tx	1,781	$463,843

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$744,255	2,911	0.0%	Shares	Sole	2026-07-20
2026-03-31	$710,807	2,911	+16.2%	Shares	Sole	2026-04-17
2025-12-31	$407,550	2,506	0.0%	Shares	Sole	2026-01-23
2025-09-30	$483,006	2,506	0.0%	Shares	Sole	2025-10-21
2025-06-30	$416,271	2,506	+16.3%	Shares	Sole	2025-07-17
2025-03-31	$313,816	2,154	0.0%	Shares	Sole	2025-04-22
2024-12-31	$300,483	2,154	0.0%	Shares	Sole	2025-01-30
2024-09-30	$350,908	2,154	-25.8%	Shares	Sole	2024-11-13
2024-06-30	$503,785	2,904	0.0%	Shares	Sole	2024-07-22
2024-03-31	$585,156	2,904	0.0%	Shares	Sole	2024-04-16
2023-12-31	$430,837	2,904	0.0%	Shares	Sole	2024-02-05
2023-09-30	$439,491	2,904	-1.2%	Shares	Sole	2023-10-25
2023-06-30	$342,804	2,940	0.0%	Shares	Sole	2023-07-17
2023-03-31	$396,400	2,940	0.0%	Shares	Sole	2023-04-28
2022-12-31	$342,186	2,940	0.0%	Shares	Sole	2023-01-30
2022-09-30	$292,030	2,940	0.0%	Shares	Sole	2022-10-25
2022-06-30	$241,697	2,940	0.0%	Shares	Sole	2022-07-21
2022-03-31	$251,370	2,940	—	Shares	Sole	2022-05-03
No filing history on record for this holder in this stock.