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Columbia Asset Management

Position in MPC — Marathon Petroleum Corp

CIK 1585047 Ann Arbor, MI

Position in MPC

as of Jun 30, 2026 · filed Jul 21, 2026
Position Value
$281,237
+$12,639 QoQ
Shares Held
1,100
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#1,410
of 1,924 holders
Holding Since
Sep 2025
3 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in MPC Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Refining & Marketing

Energy · as of Jun 30, 2026

Columbia Asset Management holds $598,712 across 2 Oil & Gas Refining & Marketing names. MPC ranks #2 (47.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MPC
Marathon Petroleum Corp
This page
1,100 $281,237

All Filings in MPC

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $281,237 1,100
2026-03-31 $268,598 1,100
2025-09-30 $212,014 1,100