MPLX LP (MPLX)
 NYSE: MPLX · Real-Time Price · USD
 50.81
 +0.24 (0.47%)
  Oct 31, 2025, 3:50 PM EDT - Market open
MPLX LP Market Cap
MPLX LP has a market cap or net worth of $51.78 billion as of October 31, 2025. Its market cap has increased by 15.07% in one year.
Market Cap 
 51.78B
Enterprise Value 
 71.86B
1-Year Change 
 15.07%
Ranking 
 Category 
 Stock Price 
$50.81
Market Cap Chart
Since December 6, 2012, MPLX LP's market cap has increased from $2.17B to $51.78B, an increase of 2,287.99%. That is a compound annual growth rate of 27.87%.
Market Cap History
| Date | Market Cap | % Change | 
|---|---|---|
| Oct 30, 2025 | 51.53B | 5.69% | 
| Dec 31, 2024 | 48.76B | 32.63% | 
| Dec 29, 2023 | 36.76B | 11.59% | 
| Dec 30, 2022 | 32.95B | 9.17% | 
| Dec 31, 2021 | 30.18B | 34.01% | 
| Dec 31, 2020 | 22.52B | -16.43% | 
| Dec 31, 2019 | 26.95B | 11.99% | 
| Dec 31, 2018 | 24.06B | 63.31% | 
| Dec 29, 2017 | 14.73B | 20.74% | 
| Dec 30, 2016 | 12.20B | 278.49% | 
| Dec 31, 2015 | 3.22B | -41.84% | 
| Dec 31, 2014 | 5.54B | 65.03% | 
| Dec 31, 2013 | 3.36B | 45.72% | 
| Dec 31, 2012 | 2.31B | 6.30% | 
| Dec 6, 2012 | 2.17B | - | 
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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