Main Street Capital Corporation vs MPLX LP — how do they compare? Main Street Capital Corporation trades at $58.4 (market cap $5.52B), while MPLX LP trades at $59.77 (market cap $60.12B). The key difference: MPLX LP is far larger — about 10.9× Main Street Capital Corporation's market cap, and MPLX LP pays the higher dividend (7.26%). Which is the better fit depends on your goals.
| MAIN | MPLX | |
|---|---|---|
Market Cap | $5.52B | $60.12B |
Sector | Financials | Technology |
52-Week High | $67.54 | $60.51 |
52-Week Low | $49.63 | $47.80 |
Dividend Yield | 5.39% | 7.26% |
Enterprise Value | — | $85.22B |
Signals from Pluang's Aura AI — not financial advice
MAIN trades at $58.48, down slightly by 0.07% on the day, with a bullish technical signal from moving averages but overbought RSI readings. The company reported Q2 2026 EPS of $0.97, beating estimates, though Q1 was a miss. Revenue has grown from $318M in 2022 to $592M in 2025, with net income margins above 80%. Recent news highlights MAIN's dividend reliability amid sector challenges, with multiple dividends declared for 2026.
Outlook remains positive given strong profitability and dividend consistency, but risks include expense pressures and sector volatility. Analysts are mostly neutral with a consensus price target of $56.67, below the current price, suggesting limited near-term upside. The stock's high valuation multiples and overbought technicals warrant caution despite solid fundamentals.
MPLX trades at $59.76, up 1.81% with a bullish technical outlook. The stock shows strong profitability with a 40.45% net income margin and a P/E of 12.75. Recent Q2 2026 earnings missed expectations, but revenue grew to $11.7B in 2026. The company announced a $2.25 billion senior notes offering on August 10, 2026, to fund growth projects, supporting its fee-based infrastructure model.
Outlook is positive with a consensus price target of $61.50, though risks include rising capital spending and leverage. The dividend yield remains attractive, with a $1.08 distribution declared for H2-2026. Investors should weigh solid cash flow against execution risks in expansion initiatives.
Trailing returns across standard periods
Latest headlines on both assets
Main Street Capital Corp is an investment firm engaged in providing customized debt and equity financing to lower middle market companies and debt capital to middle market companies. The investment portfolio of the company is typically made to support management buyouts, recapitalizations, growth financings, refinancings and acquisitions of companies that operate in diverse industry sectors. The group invests in secured debt investments, equity investments, warrants and other securities of the lower middle market and middle market companies based in the US. Business is functioned through the U.S region and it derives the majority of the income from the source of fee, commission, and interest.
Read more on MAIN →MPLX LP is a Master Limited Partnership (MLP) formed by Marathon Petroleum Corporation (MPC). It is a diversified, growth-oriented company primarily engaged in the gathering, processing, and transportation of natural gas and natural gas liquids (NGLs), as well as the transportation, storage, and distribution of crude oil and refined petroleum products. MPLX owns and operates a network of midstream energy infrastructure assets, providing essential services to the energy industry across the United States.
Read more on MPLX →