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Main Street Capital Corporation (MAIN) Fair Value & Analysis

Financial Services · US · Market cap $4.8B

Price$49.80
Fair Value$45.07
Upside-9.5%
Quality95/100
Evidence: High Range $33.81 – $56.34

Fair value as of: Jun 25, 2026

Analysis

Main Street Capital Corporation (MAIN) currently trades at $49.80, while our model-based Fair Value estimate is $45.07 — implying the stock looks roughly 9.5% overvalued today. We read business quality at 95/100 (high quality), in the Financial Services sector. Bear case: priced above our estimate, the market already discounts strong expectations. Bull case: above-average quality can justify a premium — the entry price still matters most (evidence: high).

About the company

Main Street Capital Corporation is a business development company and a small business investment company specializing in direct and indirect investments. In direct investments, the firm specializes in private equity capital to lower middle market companies. The firm specializes in recapitalizations, loan, growth capital, mezzanine debt, corporate carveouts, family estate planning, management buyouts, refinancing, private loan, private credit solutions, senior secured term debt, unintranche term debt, subordinated debt, preferred equity, common equity, minimal or no fixed amortization, split lien term debt, industry consolidation, mature, later stage and emerging growth. The firm makes both control and non-control equity investments. The firm also provides debt capital to middle market companies for strategic acquisitions, management buyouts, growth financings, majority and minority recapitalizations, and refinancing. The firm also makes equity co-investments. The firm provides debt…

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Frequently asked questions

Is Main Street Capital Corporation (MAIN) undervalued?
As of Jun 25, 2026, our model estimates a fair value of $45.07 versus a price of $49.80 — about −9% (overvalued). Model-based estimate, not financial advice.
What is the fair value of MAIN?
Our 21-model fair value for Main Street Capital Corporation is $45.07 (as of Jun 25, 2026), built from audited fundamentals. The current price is $49.80.
What is the quality score of MAIN?
Main Street Capital Corporation has a Quality Score of 95/100, measuring profitability, growth and balance-sheet strength from non-valuation factors.

How we calculate Fair Value

Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data — nothing guessed.

Educational research only · not financial advice · no buy/sell recommendation. Model-based estimates are not certainties; their reliability depends on data quality and assumptions.