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HEADINVEST, LLC

Position in MPC — Marathon Petroleum Corp

CIK 1372130 Portland, ME

Position in MPC

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$268,453
+$12,064 QoQ
Shares Held
1,050
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#1,436
of 1,926 holders
Holding Since
Mar 2023
11 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MPC Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Refining & Marketing

Energy · as of Jun 30, 2026

HEADINVEST, LLC holds $268,453 across 1 Oil & Gas Refining & Marketing name. MPC ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MPC
Marathon Petroleum Corp
This page
1,050 $268,453

All Filings in MPC

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $268,453 1,050
2026-03-31 $256,389 1,050
2025-12-31 $251,263 1,545
2025-09-30 $297,783 1,545
2024-09-30 $247,623 1,520
2024-06-30 $263,689 1,520
2024-03-31 $306,280 1,520
2023-12-31 $225,507 1,520
2023-09-30 $230,036 1,520
2023-06-30 $177,232 1,520
2023-03-31 $204,941 1,520