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Rossmore Private Capital

Position in MPC — Marathon Petroleum Corp

CIK 1733082 GLASTONBURY, CT

Position in MPC

as of Jun 30, 2026 · filed Jul 31, 2026
Position Value
$547,900
+$24,623 QoQ
Shares Held
2,143
0.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#1,085
of 1,924 holders
Holding Since
Sep 2023
12 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

Rossmore Private Capital holds $1,397,658 across 3 Oil & Gas Refining & Marketing names. MPC ranks #2 (39.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MPC
Marathon Petroleum Corp
This page
2,143 $547,900

All Filings in MPC

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12 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $547,900 2,143
2026-03-31 $523,277 2,143
2025-12-31 $348,516 2,143
2025-09-30 $413,041 2,143
2025-06-30 $355,973 2,143
2025-03-31 $312,505 2,145
2024-12-31 $298,948 2,143
2024-09-30 $349,116 2,143
2024-06-30 $371,767 2,143
2024-03-31 $431,814 2,143
2023-12-31 $218,385 1,472
2023-09-30 $222,772 1,472