MPLX Funding History
Since MPLX was founded in 2012, it has participated in 5 rounds of funding. In total MPLX has raised $8.1B. MPLX's last funding round was on Aug 2025 for a total of $4.5B.
MPLX Funding Rounds
ROUND
FUNDING DATE
AMOUNT
NUMBER OF INVESTORS
INVESTORS
Post-IPO Debt
Aug 2025
$4.5B
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Post-IPO Debt
May 2024
$1.6B
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Post-IPO Debt
Aug 2022
$1.5B
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