SuperworthMPLX Lp market cap MPLX
Share price times shares outstanding: what the whole company sells for, since 2012.
- Today, Oct 23, 2026
- $59.9B
- Highest close in our data
- $60.7B
- Sep 2026
MPLX Lp is worth $59.9B at the close on Oct 23, 2026, at $59.13 a share.
That is up 17% over the last year and up 94% over five years.
Its highest close in our data was $60.7B in Sep 2026.
Market cap over time
Year by year
| Year | End of year | Low | High | Change |
|---|---|---|---|---|
| 2026 so far | $59.9B | $53.9B | $60.7B | +9% |
| 2025 | $54.9B | $48.7B | $56.8B | +13% |
| 2024 | $48.4B | $37.1B | $52.6B | +32% |
| 2023 | $36.8B | $33.3B | $36.8B | +12% |
| 2022 | $32.9B | $28.6B | $34.9B | +9% |
| 2021 | $30.2B | $23.9B | $31.9B | +34% |
| 2020 | $22.5B | $11.5B | $28.5B | −18% |
| 2019 | $27.3B | $22.9B | $31.8B | +14% |
| 2018 | $24B | $14.5B | $30.3B | +63% |
| 2017 | $14.7B | $12.4B | $15B | +18% |
| 2016 | $12.5B | $1.5B | $12.5B | +286% |
| 2015 | $3.2B | $2.5B | $6.7B | −35% |
| 2014 | $5B | $3.1B | $5.3B | +62% |
| 2013 | $3.1B | $1.2B | $3.1B | +175% |
| 2012 | $1.1B | $1.1B | $1.1B | n/a |
Against its peers
Companies in Oil & Gas Midstream nearest MPLX Lp's size, closest first, today.
| Company | Market cap |
|---|---|
| MPLXMPLX Lp | $59.9B |
| OKEONEOK | $60.4B |
| LNGCheniere Energy | $61.7B |
| TRGPTarga Resources | $64.8B |
| ETEnergy Transfer | $69B |
| KMIKinder Morgan | $76.7B |
| EPDEnterprise Products Partners | $80.1B |
| WMBWilliams Companies | $87.7B |
| VGVenture Global | $35B |
| CQPCheniere Energy Partners | $32B |
| WESWestern Midstream Partners | $18.6B |
| Peer median | $63.3B |
What the market cap tells you
Share price times shares outstanding: what the whole company sells for today.
Size, not quality. Large caps move slower and are covered more. That is all it tells you.
More on MPLX Lp
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.