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North Star Investment Management Corp.

Position in MPC — Marathon Petroleum Corp

CIK 1342857 CHICAGO, IL

Position in MPC

as of Mar 31, 2026 · filed Apr 23, 2026
Position Value
$1,398,174
+$468,581 QoQ
Shares Held
5,726
+0.2% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
15 quarters on record
Voting authority Sole 0.ToString("F0")% Shared 0.ToString("F0")% None 100.ToString("F0")%

Common Shares in MPC Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Refining & Marketing

Energy · as of Mar 31, 2026

North Star Investment Management Corp. holds $2,098,045 across 10 Oil & Gas Refining & Marketing names. MPC ranks #1 (66.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MPC
Marathon Petroleum Corp
This page
5,726 $1,398,174

All Filings in MPC

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15 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,398,174 5,726
2025-12-31 $929,593 5,716
2025-09-30 $1,101,509 5,715
2025-06-30 $949,152 5,714
2025-03-31 $838,008 5,752
2024-12-31 $802,264 5,751
2024-09-30 $936,569 5,749
2024-06-30 $990,223 5,708
2024-03-31 $1,149,960 5,707
2023-12-31 $846,542 5,706
2023-09-30 $863,243 5,704
2023-06-30 $664,969 5,703
2023-03-31 $768,800 5,702
2022-12-31 $3,026 26
2020-03-31 $12,991 550