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North Star Investment Management Corp.

Position in MPLX — Mplx LP

CIK 1342857 CHICAGO, IL

Position in MPLX

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$235,966
-$3,100 QoQ
Shares Held
4,189
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#486
of 628 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in MPLX Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Midstream

Energy · as of Jun 30, 2026

North Star Investment Management Corp. holds $15,685,988 across 18 Oil & Gas Midstream names. MPLX ranks #8 (1.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 MPLX
Mplx LP
This page
4,189 $235,966

All Filings in MPLX

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $235,966 4,189
2026-03-31 $239,066 4,189