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Second Line Capital, LLC

Position in MPLX — Mplx LP

CIK 1992879 METAIRIE, LA

Position in MPLX

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$228,418
-$2,886 QoQ
Shares Held
4,055
+0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#490
of 628 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 82% Shared 0% None 18%

Common Shares in MPLX Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Midstream

Energy · as of Jun 30, 2026

Second Line Capital, LLC holds $2,409,861 across 7 Oil & Gas Midstream names. MPLX ranks #6 (9.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 MPLX
Mplx LP
This page
4,055 $228,418

All Filings in MPLX

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $228,418 4,055
2026-03-31 $231,304 4,053
2025-12-31 $216,255 4,052