HARBOR INVESTMENT ADVISORY, LLC

Position in MPC — Marathon Petroleum Corp

CIK 1468792 LUTHERVILLE, MD

Position in MPC

as of Jun 30, 2026 · filed Jul 7, 2026 Compact

Position Value

$562,474

+$25,278 QoQ

Shares Held

2,200

0.0% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.06%

of 13F equity value

Holder Rank

#1,072

of 1,922 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

HARBOR INVESTMENT ADVISORY, LLC holds $1,173,157 across 3 Oil & Gas Refining & Marketing names. MPC ranks #1 (47.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MPC	Marathon Petroleum Corp This page	2,200	$562,474
2	PSX	Phillips 66	3,235	$546,876
3	VLO	Valero Energy Corp/Tx	245	$63,807

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$562,474	2,200	0.0%	Shares	Sole	2026-07-07
2026-03-31	$537,196	2,200	-4.1%	Shares	Sole	2026-04-23
2025-12-31	$372,910	2,293	-4.9%	Shares	Sole	2026-01-07
2025-09-30	$464,503	2,410	+4.4%	Shares	Sole	2025-10-27
2025-06-30	$383,381	2,308	-48.6%	Shares	Sole	2025-07-01
2025-03-31	$654,002	4,489	-4.0%	Shares	Sole	2025-04-09
2024-12-31	$652,441	4,677	-4.6%	Shares	Sole	2025-01-16
2024-09-30	$799,073	4,905	+3.4%	Shares	Sole	2024-10-04
2024-06-30	$822,989	4,744	-2.0%	Shares	Sole	2024-07-19
2024-03-31	$975,663	4,842	+69.2%	Shares	Sole	2024-04-12
2023-12-31	$424,606	2,862	+8.5%	Shares	Sole	2024-01-26
2023-09-30	$399,234	2,638	-40.0%	Shares	Sole	2023-10-13
2023-06-30	$512,923	4,399	+10.4%	Shares	Sole	2023-07-14
2023-03-31	$537,162	3,984	-24.6%	Shares	Sole	2023-04-21
2022-12-31	$615,004	5,284	-9.9%	Shares	Sole	2023-01-24
2022-09-30	$582,272	5,862	+36.3%	Shares	Sole	2022-11-01
2022-06-30	$353,585	4,301	+8.3%	Shares	Sole	2022-07-18
2022-03-31	$339,435	3,970	+28.6%	Shares	Sole	2022-04-20
2021-12-31	$197,473	3,086	-2.1%	Shares	Sole	2022-01-10
2021-09-30	$194,763	3,151	+926.4%	Shares	Sole	2021-10-12
2021-06-30	$18,548	307	0.0%	Shares	Sole	2021-07-27
2021-03-31	$16,421	307	0.0%	Shares	Sole	2021-04-16
2020-12-31	$12,697	307	-61.6%	Shares	Sole	2021-02-04
2020-09-30	$23,472	800	-36.2%	Shares	Sole	2020-10-23
2020-06-30	$46,874	1,254	-23.8%	Shares	Sole	2020-07-16
2020-03-31	$38,878	1,646	—	Shares	Sole	2020-05-11
No filing history on record for this holder in this stock.