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Mariner, LLC

Position in MPC — Marathon Petroleum Corp

CIK 1373442 Overland Park, KS

Position in MPC

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$142,963,760
+$7,797,679 QoQ
Shares Held
559,173
+1.0% QoQ
Ownership
0.199%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
#57
of 1,936 holders
Holding Since
Mar 2020
26 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

Mariner, LLC holds $444,779,938 across 15 Oil & Gas Refining & Marketing names. MPC ranks #2 (32.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MPC
Marathon Petroleum Corp
This page
559,173 $142,963,760

All Filings in MPC

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $142,963,760 559,173
2026-03-31 $135,166,081 553,551
2025-12-31 $89,783,793 552,074
2025-09-30 $105,698,036 548,397
2025-06-30 $95,835,003 576,937
2025-03-31 $86,426,948 593,225
2024-12-31 $86,589,463 620,713
2024-09-30 $115,894,987 711,405
2024-06-30 $123,946,948 714,474
2024-03-31 $115,016,199 570,800
2023-12-31 $50,597,731 341,047
2023-09-30 $47,163,445 311,639
2023-06-30 $39,305,159 337,094
2023-03-31 $53,571,598 397,327
2022-12-31 $46,680,420 401,069
2022-09-30 $53,837,653 542,008
2022-06-30 $24,700,323 300,454
2022-03-31 $25,524,828 298,536
2021-12-31 $17,975,046 280,904
2021-09-30 $17,651,947 285,584
2021-06-30 $16,084,831 266,217
2021-03-31 $13,245,033 247,617
2020-12-31 $10,321,388 249,550
2020-09-30 $19,373,202 660,300
2020-06-30 $24,911,265 666,433
2020-03-31 $4,388,619 185,801