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Cornerstone Financial Management LLC

Position in MPC — Marathon Petroleum Corp

CIK 2110329 PROVIDENCE, RI

Position in MPC

as of Jun 30, 2026 · filed Aug 28, 2026
Position Value
$19,175
+$8,920 QoQ
Shares Held
75
+78.6% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
3 quarters on record

Common Shares in MPC Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Refining & Marketing

Energy · as of Jun 30, 2026

Cornerstone Financial Management LLC holds $118,142 across 5 Oil & Gas Refining & Marketing names. MPC ranks #3 (16.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 MPC
Marathon Petroleum Corp
This page
75 $19,175

All Filings in MPC

Export CSV
3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $19,175 75
2026-03-31 $10,255 42
2025-12-31 $5,529 34