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HARBOR INVESTMENT ADVISORY, LLC

Position in MPLX — Mplx LP

CIK 1468792 LUTHERVILLE, MD

Position in MPLX

as of Jun 30, 2026 · filed Jul 7, 2026
Position Value
$56,330
-$740 QoQ
Shares Held
1,000
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#563
of 629 holders
Holding Since
Sep 2020
24 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

HARBOR INVESTMENT ADVISORY, LLC holds $2,232,215 across 12 Oil & Gas Midstream names. MPLX ranks #8 (2.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 MPLX
Mplx LP
This page
1,000 $56,330

All Filings in MPLX

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24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $56,330 1,000
2026-03-31 $57,070 1,000
2025-12-31 $53,370 1,000
2025-09-30 $49,950 1,000
2025-06-30 $51,510 1,000
2025-03-31 $53,520 1,000
2024-12-31 $47,860 1,000
2024-09-30 $44,460 1,000
2024-06-30 $42,590 1,000
2024-03-31 $41,560 1,000
2023-12-31 $36,720 1,000
2023-09-30 $35,570 1,000
2023-06-30 $33,940 1,000
2023-03-31 $34,450 1,000
2022-12-31 $41,050 1,250
2022-09-30 $30,010 1,000
2022-06-30 $29,150 1,000
2022-03-31 $33,180 1,000
2021-12-31 $29,590 1,000
2021-09-30 $28,470 1,000
2021-06-30 $29,610 1,000
2021-03-31 $25,630 1,000
2020-12-31 $21,650 1,000
2020-09-30 $15,740 1,000