Market Cap:
$51.82B+$91.72M(+0.18%)Summary
- As of today, MPLX market cap is $51.82 billion, with a rise of +$91.72 million (+0.18%) during the most recent trading session on November 3, 2025.
 - Over the past year, MPLX market cap has increased by +$6.78 billion (+15.05%).
 - MPLX market cap is now -7.27% below its all-time high of $55.88 billion.
 
Performance
MPLX Market Cap Chart
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Highlights
Range
Related metrics
Market Cap Formula
Market Cap = Price ✕ Shares Outstanding
MPLX Market Cap Trends
| PeriodPeriod | Market CapMarket Cap | PricePrice | Shares OutstandingShares Outstanding | Enterprise ValueEnterprise Value | 
|---|---|---|---|---|
| 1D1 Day | +0.2% | +0.2% | -0.1% | +0.1% | 
| 1M1 Month | +2.5% | +2.5% | - | +1.8% | 
| 3M3 Months | -1.9% | -1.9% | - | -1.4% | 
| 6M6 Months | -2.1% | -2.0% | - | -1.6% | 
| YTDYTD | +6.5% | +6.3% | - | +5.2% | 
| 1Y1 Year | +15.1% | +15.0% | +0.0% | +10.7% | 
| 5Y5 Years | +169.9% | +175.5% | -2.0% | +80.0% | 
MPLX Market Cap Highs & Lows
| PeriodPeriod | HighHigh | Current vs Highvs High | LowLow | Current vs Lowvs Low | |
|---|---|---|---|---|---|
| 1M | 1-Month | $52B | -0.1% | $49B | +6.4% | 
| 3M | 3-Month | $54B | -3.5% | $49B | +6.4% | 
| 6M | 6-Month | $54B | -3.5% | $49B | +6.4% | 
| 1Y | 1-Year | $56B | -7.3% | $45B | +15.1% | 
| 3Y | 3-Year | $56B | -7.3% | $31B | +64.7% | 
| 5Y | 5-Year | $56B | -7.3% | $18B | +183.2% | 
| All-Time | All-Time | $56B | -7.3% | $986M | +5154.3% | 
MPLX Market Cap History
| Date | Value | 
|---|---|
| 2025 | $52B(+6.4%)  | 
| 2024 | $49B(+32.1%)  | 
| 2023 | $37B(+12.1%)  | 
| 2022 | $33B(+9.3%)  | 
| 2021 | $30B(+33.8%)  | 
| 2020 | $22B(-16.6%)  | 
| 2019 | $27B(+12.0%)  | 
| Date | Value | 
|---|---|
| 2018 | $24B(+66.7%)  | 
| 2017 | $14B(+15.5%)  | 
| 2016 | $12B(+4.2%)  | 
| 2015 | $12B(+276.1%)  | 
| 2014 | $3B(+93.5%)  | 
| 2013 | $2B(+42.8%)  | 
| 2012 | $1B  | 
FAQ
- What is MPLX LP market cap?
 - What is the all-time high market cap for MPLX LP?
 - What is MPLX market cap year-to-date change?
 - What is MPLX LP market cap year-on-year change?
 
What is MPLX LP market cap?
The current market cap of MPLX is $51.82B
What is the all-time high market cap for MPLX LP?
MPLX LP all-time high market cap is $55.88B
What is MPLX market cap year-to-date change?
MPLX LP market cap has changed by +$3.14B (+6.45%) since the beginning of the year
What is MPLX LP market cap year-on-year change?
Over the past year, MPLX market cap has changed by +$6.78B (+15.05%)