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Waterloo Capital, L.P.

Position in MPC — Marathon Petroleum Corp

CIK 1730942 Austin, TX

Position in MPC

as of Jun 30, 2026 · filed Jul 29, 2026
Position Value
$230,358
-$224,793 QoQ
Shares Held
901
-51.7% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#1,538
of 1,926 holders
Holding Since
Mar 2023
6 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

Waterloo Capital, L.P. holds $1,898,978 across 3 Oil & Gas Refining & Marketing names. MPC ranks #3 (12.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 MPC
Marathon Petroleum Corp
This page
901 $230,358

All Filings in MPC

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $230,358 901
2026-03-31 $455,151 1,864
2025-09-30 $212,399 1,102
2025-06-30 $201,491 1,213
2024-03-31 $263,159 1,306
2023-03-31 $289,345 2,146