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WESTCO ADVISORY SERVICES INC /ADV

Position in MPLX — Mplx LP

CIK 946310 LYNBROOK, NY

Position in MPLX

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$427,263
-$24,446 QoQ
Shares Held
7,585
-4.2% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#374
of 629 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MPLX Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Midstream

Energy · as of Jun 30, 2026

WESTCO ADVISORY SERVICES INC /ADV holds $3,411,672 across 6 Oil & Gas Midstream names. MPLX ranks #4 (12.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 MPLX
Mplx LP
This page
7,585 $427,263

All Filings in MPLX

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $427,263 7,585
2026-03-31 $451,709 7,915
2025-12-31 $381,328 7,145