Position in MPLX
as of Jun 30, 2026
· filed Jul 24, 2026
Position Value
$242,219
-$3,182 QoQ
Shares Held
4,300
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#486
of 629 holders
Holding Since
Dec 2024
7 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, 2026MATTERN CAPITAL MANAGEMENT, LLC holds $2,034,767 across 7 Oil & Gas Midstream names. MPLX ranks #6 (11.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ET |
Energy Transfer LP
|
19,003 | $363,337 | |
| 2 | OKE |
Oneok Inc /New/
|
3,767 | $327,502 | |
| 3 | PAA |
Plains All American Pipeline LP
|
13,602 | $302,780 | |
| 4 | EPD |
Enterprise Products Partners L.P.
|
8,102 | $297,829 | |
| 5 | KMI |
Kinder Morgan, Inc.
|
8,180 | $261,514 | |
| 6 | MPLX |
Mplx LP
This page
|
4,300 | $242,219 | |
| 7 | WES |
Western Midstream Partners, LP
|
5,475 | $239,586 |
All Filings in MPLX
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $242,219 | 4,300 | Shares | Sole | 2026-07-24 | |
| 2026-03-31 | $245,401 | 4,300 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $229,491 | 4,300 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $214,785 | 4,300 | Shares | Sole | 2025-10-21 | |
| 2025-06-30 | $221,493 | 4,300 | Shares | Sole | 2025-07-21 | |
| 2025-03-31 | $230,136 | 4,300 | Shares | Sole | 2025-04-23 | |
| 2024-12-31 | $205,798 | 4,300 | Shares | Sole | 2025-02-03 | |
| No filing history on record for this holder in this stock. | ||||||