Ipswich Investment Management Co., Inc.

Position in MPC — Marathon Petroleum Corp

CIK 1463753 BEVERLY, MA

Position in MPC

as of Jun 30, 2026 · filed Jul 16, 2026 Compact

Position Value

$345,154

-$85,335 QoQ

Shares Held

1,350

-23.4% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

#1,313

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

Ipswich Investment Management Co., Inc. holds $991,757 across 3 Oil & Gas Refining & Marketing names. MPC ranks #2 (34.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PSX	Phillips 66	2,500	$422,625
2	MPC	Marathon Petroleum Corp This page	1,350	$345,154
3	VLO	Valero Energy Corp/Tx	860	$223,978

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$345,154	1,350	-23.4%	Shares	Sole	2026-07-16
2026-03-31	$430,489	1,763	+24.8%	Shares	Sole	2026-04-10
2025-12-31	$229,796	1,413	-11.7%	Shares	Sole	2026-01-16
2025-09-30	$308,384	1,600	-1.5%	Shares	Sole	2025-10-08
2025-06-30	$269,928	1,625	0.0%	Shares	Sole	2025-07-16
2025-03-31	$236,746	1,625	0.0%	Shares	Sole	2025-04-16
2024-12-31	$226,687	1,625	-8.5%	Shares	Sole	2025-02-03
2024-09-30	$289,165	1,775	0.0%	Shares	Sole	2024-11-06
2024-06-30	$307,927	1,775	-5.9%	Shares	Sole	2024-07-16
2024-03-31	$380,230	1,887	-0.7%	Shares	Sole	2024-04-19
2023-12-31	$281,884	1,900	0.0%	Shares	Sole	2024-01-31
2023-09-30	$287,546	1,900	0.0%	Shares	Sole	2023-11-08
2023-06-30	$221,540	1,900	-28.3%	Shares	Sole	2023-07-27
2023-03-31	$357,299	2,650	0.0%	Shares	Sole	2023-04-24
2022-12-31	$308,433	2,650	-7.3%	Shares	Sole	2023-02-01
2022-09-30	$284,083	2,860	-0.1%	Shares	Sole	2022-10-11
2022-06-30	$235,285	2,862	0.0%	Shares	Sole	2022-07-26
2022-03-31	$244,701	2,862	—	Shares	Sole	2022-04-25
No filing history on record for this holder in this stock.