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OBSIDIAN CIO, LLC

Position in MPC — Marathon Petroleum Corp

CIK 1843581 NEW YORK, NY

Position in MPC

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$12,783
+$6,679 QoQ
Shares Held
50
+100.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#1,841
of 1,926 holders
Holding Since
Dec 2023
9 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

OBSIDIAN CIO, LLC holds $476,887 across 2 Oil & Gas Refining & Marketing names. MPC ranks #2 (2.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MPC
Marathon Petroleum Corp
This page
50 $12,783

All Filings in MPC

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9 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $12,783 50
2026-03-31 $6,104 25
2025-09-30 $296,434 1,538
2025-06-30 $253,483 1,526
2025-03-31 $221,157 1,518
2024-09-30 $226,444 1,390
2024-06-30 $239,922 1,383
2024-03-31 $278,876 1,384
2023-12-31 $205,330 1,384