Cornerstone Select Advisors, LLC
Position in MPC — Marathon Petroleum Corp
CIK 2055366
St. Louis, MO
Position in MPC
as of Jun 30, 2026
· filed Aug 5, 2026
Position Value
$219,876
New position
Shares Held
860
first reported quarter
Ownership
0.000%
of shares outstanding
% of Portfolio
0.10%
of 13F equity value
Holder Rank
#1,565
of 1,926 holders
Holding Since
Jun 2026
1 quarter on record
Voting authority
Sole 0%
Shared 0%
None 100%
Position in Oil & Gas Refining & Marketing
Energy · as of Jun 30, 2026Cornerstone Select Advisors, LLC holds $3,679,821 across 2 Oil & Gas Refining & Marketing names. MPC ranks #2 (6.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VLO |
Valero Energy Corp/Tx
|
13,285 | $3,459,945 | |
| 2 | MPC |
Marathon Petroleum Corp
This page
|
860 | $219,876 |
All Filings in MPC
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $219,876 | 860 | Shares | Sole | 2026-08-05 | |
| No filing history on record for this holder in this stock. | ||||||