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Main Street Capital (MAIN) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

Main Street Capital
NYSE•Financial Services•Asset Management
$57.03+0.79(0.01%)After hours
Market Cap
$5.24B
P/E
11.6x
P/S
9.1x
P/B
1.7x

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 financing solutions for acquisitions, recapitalizations, and refinancing to middle market companies. The firm provides private debt and private equity capital to lower middle market companies and debt capital to middle market companies. The firm seeks to partner with entrepreneurs, business owners and management teams and generally provides "one stop" financing alternatives within its lower middle market portfolio. It prefers to invest in air freight and logistics, auto components, building products, chemicals, commercial services, computers, construction and engineering, consumer finance, consumer services, electronic equipment, energy equipment and services, financial services, health care equipment, health care providers, hotels, restaurants, and leisure, internet software and services, IT Services, machinery, oil, gas and consumable fuels, paper and forest products, professional and industrial services, manufacturing, road and rail, software, specialty retail, telecommunication, consumer discretionary, energy, materials, concrete, plumbing pipes, electrical component, heavy electrical equipment, media, utilities, technology, and transportation. The firm invests in Southwest of the United States of America. The firm typically invests in business services, commercial and professional services, communication services, consumer discretionary, consumer staples, lower middle market companies ranging between $5 million and $125 million in equity investment with annual revenues between $10 million and $150 million and EBITDA in ranging between $3 million and $20 million. The firm typically prefers to invest in the range of $5 million and $150 million per transaction in debt investment value but holds the ability to lead debt financings up to $250 million. For credit solutions, the firm invests between $10 million and $150 million with an EBITDA in the range of $7.5 million and $50 million. The firm loan portfolio companies generally have annual revenues between $25 million and $500 million. The firm's middle market debt investments are made in businesses that are generally larger in size than its lower middle market portfolio companies. It takes 5 percent minority and up to 50 percent majority equity investments. Main Street Capital Corporation was founded in 2007 and is based in Houston, Texas with an additional offices in Chicago, United States and Chojnów, Poland.

C

How this company scores

AverageMetricSide Score: 47/100

Strongest: Profitability (17/25); weakest: Growth (8/25).

Profitability17/25
Growth8/25
Balance Sheet & Red Flags13/25
Cash & Earnings Quality9/25
Strengths
Strong marginsConsistent growthImproving margins

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/E · 11.6x5y range 7.1x – 11.6x
P/E 11.6x · near its 13-quarter median

Currently near its 13-quarter median.

P/S · 9.1x5y range 5.1x – 10.1x
P/S 9.1x · near its 13-quarter median

Currently near its 13-quarter median.

P/B · 1.7x5y range 1.3x – 1.9x

Watch items

Data-driven signals worth keeping an eye on across the last 8 quarters

High Risk

Earnings Quality

Watch

FCF/Net Income has dropped below 0.7x in 4 quarters — monitor for earnings quality deterioration.

Cash Burn

Watch

FCF turned negative in 3 of the last 8 quarters — occasional cash consumption.

Price & Volume
Market Cap $5.24B

Metrics at a Glance

as of June 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue
$575.05M
7Q
Q. Revenue
$149.57M
4%
TTM EBITDA
$371.68M
1%
TTM Op. Income
$365.24M
1%
Q. Op. Income
$93.80M
0%
TTM Net Income
$451.34M
16%
Q. Net Income
$147.58M
20%
EPS
N/A
8%
Shares Out.
$93.25M
7Q
$575.05M in TTM revenue grew 3.0% YoY, reaching $149.57M last quarter. TTM EBITDA of $371.68M and TTM operating income of $365.24M show growth is flowing through to the bottom line. TTM net income of $451.34M means revenue is converting into profit. Across the last 8 quarters, TTM revenue has risen for 7 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

EBITDA Margin
63.7%
2Q
Op. Margin
62.7%
3%
Net Margin
98.7%
16%
Op. margin of 62.7% is down 2.1% YoY — costs are rising relative to revenue. Net margin at 98.7% Over the past year, operating margin is down 3% — an improving trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio
11.6x
5Q
P/S Ratio
9.1x
4%
P/B Ratio
1.7x
10%
At 11.6x P/E, the stock trades below typical market levels. P/S of 9.1x and P/B of 1.7x provide additional context. Use the growth and margin sections to judge whether the multiple is justified. Across the last 8 quarters, P/E has risen for 5 consecutive quarters — a weakening trend.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets
$5.94B
3Q
Cash
$58.31M
33%
Long-Term Debt
$2.53B
3Q
Book Value
$3.17B
7Q
D/E Ratio
0.8
2Q
Debt/EBITDA
26.6
14%
With $5.94B in assets and $2.53B in long-term debt, D/E is 0.8and book value is $3.17B — a conservative capital structure with a cushion to weather downturns. Across the last 8 quarters, debt/equity has fallen for 2 consecutive quarters — an improving trend.

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow
$116.57M
2Q
TTM Free Cash Flow
$-149.81M
150%
FCF Margin
-26.1%
149%
FCF / Net Income
-0.3
159%
TTM FCF of $-149.81M on $116.57M in operating cash flow. The FCF / Net Income ratio of -0.3x means the business consumes cash — it is not yet self-funding. Over the past year, free cash flow is down 150% — an improving trend.

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· near its 16-quarter median

Currently near its 16-quarter median.

Share Dilution

Red Flag

Shares outstanding increased 6.6% — significant dilution, likely from stock compensation or capital raises.