Main Street Capital Corporation vs MPLX LP — how do they compare? Main Street Capital Corporation trades at $54.5 (market cap $5.09B), while MPLX LP trades at $57.6 (market cap $58.11B). The key difference: MPLX LP is far larger — about 11.4× Main Street Capital Corporation's market cap, and MPLX LP pays the higher dividend (7.51%). Which is the better fit depends on your goals.
| MAIN | MPLX | |
|---|---|---|
Market Cap | $5.09B | $58.11B |
Volume | 524,060 | 687,483 |
Sector | Financials | Energy |
52-Week High | $64.60 | $60.51 |
52-Week Low | $49.63 | $47.80 |
Typical Hold Time | 88 Days | — |
Enterprise Value | $7.54B | $83.22B |
Dividend Yield | 5.84% | 7.51% |
Signals from Pluang's Aura AI — not financial advice
MAIN trades at $54.18, down 1.08% on the day, with a bearish technical signal from moving averages and oscillators. The company reported revenue of $592 million and net income of $493 million for 2025, with a net income margin of 83.36%. Recent earnings show mixed results, beating in Q2 2026 but missing in Q1 2026. Analyst consensus is a Hold with a $58.33 price target, indicating modest upside potential.
Outlook: MAIN offers a stable dividend history and strong profitability, but faces headwinds from softening revenue projections for 2026 and negative operating cash flow. Risks include earnings volatility and high valuation multiples. The stock presents a cautious opportunity for income-focused investors, balanced by near-term fundamental pressures.
MPLX trades at $57.05, down 1.25% with a bearish technical signal. The company maintains strong fundamentals with $11.47B revenue and 40.45% net margin, though recent earnings missed expectations in Q1 and Q2 2026. Analyst consensus remains bullish with a $63.80 price target, supported by stable cash flow and a resilient midstream business model that limits commodity price exposure.
The outlook is cautiously optimistic given MPLX's fee-based revenue structure and 67.86% buy rating from analysts. Key risks include energy market volatility and potential diesel export restrictions, but the company's distribution coverage ratio of 1.3x supports dividend sustainability. Upside potential exists if Q3 earnings meet or exceed the $1.15 EPS estimate due November 3, 2026.
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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.
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