MPLX - CIK 0001552000
As of 2026-06-10, MPLX LP (MPLX) has a market capitalization of $57.22 B, making it the #287 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-06-10 | $57.22 B |
| 2026-05-29 | $56.05 B |
| 2026-05-28 | $56.53 B |
| 2026-05-26 | $57.31 B |
| 2026-05-25 | $57.30 B |
| 2026-05-24 | $57.30 B |
| 2026-05-22 | $57.30 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
As of 2026-06-10, MPLX LP (MPLX) has a market capitalization of $57.22 B, making it the #287 most valuable US-listed company.
MPLX LP is the #287 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.