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MPLX LP (MPLX)
Institutional ownership, SEC filings and insider activity
Sector: Industry · SEC CIK 0001552000 · EDGAR filings · Updated 2026-05-19
MPLX LP (MPLX) has reported institutional ownership of 20.0%, with 644 institutional managers holding positions valued at $11.6B per the latest 13F reporting period.
Institutional ownership
20.0%
Institutional managers
644
Reported 13F value
$11.6B
Insider activity
64 trans.
$0 net flat
Latest updates
- 2026-05-19 — Insider transaction reported (Form 4)
- 2026-05-19 — Insider transaction reported (Form 4)
- 2026-05-19 — Insider transaction reported (Form 4)
- 2026-05-19 — Insider transaction reported (Form 4)
- 2026-05-19 — Insider transaction reported (Form 4)
- 2026-05-19 — Insider transaction reported (Form 4)
Institutional ownership overview
According to SEC 13F filings tracked by Sightfile, MPLX LP has 644 institutional holders and institutional ownership of 20.0%.
Insider activity
Insiders reported 64 transactions (0 buys, 0 sells) across 14 reporting insiders, with a net reported value of $0.
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See full history, cross-references and alerts on SightfileSightfile provides information only — not investment advice, recommendations, or an assessment of any security. Data is derived from official public sources (SEC EDGAR and U.S. government agencies), may contain errors or delays, and should be verified against the source filing before relying on it.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-05-19.
Data sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-05-19.