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Merrion Investment Management Co, LLC

Position in MPC — Marathon Petroleum Corp

CIK 1383782 Cranford, NJ

Position in MPC

as of Jun 30, 2026 · filed Jul 13, 2026
Position Value
$3,993,309
+$179,462 QoQ
Shares Held
15,619
0.0% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
2.09%
of 13F equity value
Holder Rank
#451
of 1,926 holders
Holding Since
Dec 2020
23 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

Merrion Investment Management Co, LLC holds $4,475,101 across 2 Oil & Gas Refining & Marketing names. MPC ranks #1 (89.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MPC
Marathon Petroleum Corp
This page
15,619 $3,993,309

All Filings in MPC

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23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,993,309 15,619
2026-03-31 $3,813,847 15,619
2025-12-31 $2,540,117 15,619
2025-09-30 $3,010,406 15,619
2025-06-30 $2,594,472 15,619
2025-03-31 $2,372,707 16,286
2024-12-31 $2,271,897 16,286
2024-09-30 $2,653,152 16,286
2024-06-30 $2,823,560 16,276
2024-03-31 $3,259,464 16,176
2023-12-31 $2,414,707 16,276
2023-09-30 $2,463,209 16,276
2023-06-30 $1,918,070 16,450
2023-03-31 $2,217,953 16,450
2022-12-31 $1,862,356 16,001
2022-09-30 $1,596,729 16,075
2022-06-30 $1,862,056 22,650
2022-03-31 $1,936,575 22,650
2021-12-31 $1,385,383 21,650
2021-09-30 $1,338,186 21,650
2021-06-30 $1,302,051 21,550
2021-03-31 $1,152,709 21,550
2020-12-31 $903,716 21,850