MPLX — MPLX LP

Ownership history in Highlander Partners, L.P.  ·  8 quarters on record

This page tracks every 13F SEC filing in which Highlander Partners, L.P. reported a position in MPLX LP (MPLX). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.47% (2025 Q1)
Avg. % of fund
0.36%
First filed
2024 Q1
Last filed
2025 Q4
Quarters held
8
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 UNCHANGED 14,291 — 0% 0.27% $763K $52.34
2025 Q3 UNCHANGED 14,291 — 0% 0.25% $714K $47.97
2025 Q2 UNCHANGED 14,291 — 0% 0.28% $736K $48.54
2025 Q1 UNCHANGED 14,291 — 0% 0.47% $765K $49.47
4 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    MPLX price (monthly, adj. close)

Other funds also holding MPLX

As of 2025 Q4 — sorted by position size

PPM AMERICA INC/IL 3Y 7Y 42.59% Fractal Investments LLC 3Y 15.29% CHICKASAW CAPITAL MANAGEMENT LLC 3Y 7Y 11.94% Heronetta Management, L.P. 3Y 7Y 9.99% LONGFELLOW INVESTMENT MANAGEMENT CO LLC 3Y 7Y 9.23% TORTOISE CAPITAL ADVISORS, L.L.C. 3Y 7Y 9.05% KAYNE ANDERSON CAPITAL ADVISORS LP 3Y 7Y 8.76% Amplify Investments, LLC 8.53% WALNUT PRIVATE EQUITY PARTNERS, LLC 3Y 7Y 7.99% Belfer Management LLC 3Y 7Y 7.34%
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