MPLX LP (MPLX) Market Cap: $58.03 B - June 2026 - Developers Digest

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MPLX LP

MPLX - Company ID 0001552000

Market cap$58.03 B

Rank#288

Filings1,000

Market capitalization of MPLX LP

As of 2026-07-09, MPLX LP (MPLX) has a market capitalization of $58.03 B, making it the #288 most valuable US-listed company.

Recent market cap readings

Date	Market cap
2026-07-09	$58.03 B
2026-07-08	$58.29 B
2026-07-07	$58.36 B
2026-07-06	$58.07 B
2026-07-05	$58.00 B
2026-07-04	$58.00 B
2026-07-03	$58.00 B
2026-07-02	$57.85 B
2026-07-01	$56.74 B
2026-06-30	$56.97 B
2026-06-29	$57.48 B
2026-06-28	$57.35 B

Market Cap of similar companies

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Frequently asked questions

What is MPLX LP's market cap?

As of 2026-07-09, MPLX LP (MPLX) has a market capitalization of $58.03 B, making it the #288 most valuable US-listed company.

Where does MPLX LP rank by market cap?

MPLX LP is the #288 largest US-listed company by market capitalization.

Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.