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Main Street Capital Corporation

MAIN
30
Asset Management · Financial Services
Also trades as: 0JXQ.L
Price
$58.29
-0.11 (-0.19%)
Market Cap
$5.42B
Exchange
New York Stock Exchange
Winston Score
30
Winston is serious
Below-average fundamentals — multiple weak pillars.
Data as of Aug 23, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Weak
Growth
Weak
Cash Flow
Good
Stability
Mixed
Valuation
Good
Dividends
Good

Share count rising — dilution

+29.6% over 4y

The company has issued more shares over this period, which dilutes each existing shareholder’s stake.

Diluted shares outstanding: 69.0M (2021) → 89.4M (2025)

Winston Score History

The full picture

Main Street Capital is a company that lends money and invests in small and medium-sized businesses across the United States. These businesses are often too small to borrow from big banks or sell stock on public markets, so they turn to firms like Main Street for funding. Main Street provides both loans and equity investments, meaning it can own a piece of the companies it backs.

Main Street makes money by collecting interest on its loans and earning returns when its portfolio companies grow or are sold. It is structured as a Business Development Company, or BDC, which requires it to pay out most of its income to shareholders as dividends. With a market cap near $4.8 billion, it is one of the largest BDCs in the country, and its internally managed structure keeps costs lower than many competitors. The main risk is that an economic slowdown could cause small businesses in its portfolio to struggle to repay their loans.

Growth Profile

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

-67.2% YoY

YoY Growth Rate

Revenue declining

EPS Growth

-0.7% YoY

YoY Growth Rate

Earnings declining

R&D Spend

$0/ year

0.0% of revenue

Below sector average (7%)

Research and development spending

Insider Activity

4.0%ownership

Flat

Insider ownership roughly steady over the past year

Cash Runway

~3 months

$58M cash & investments

Short runway — potential dilution ahead through share issuance

Cash watch

Main Street Capital Corporation has less than a year of cash at its current burn rate. Growth investors should watch for potential share dilution from future fundraising — that directly reduces your ownership.

The Winston Score above measures business quality today. Growth stocks often score lower because they invest in the future rather than maximising current profits. These metrics show what matters most for evaluating that future.

Score breakdown

Every number that matters to educated investors.

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Quality

Profit per sale
Gross Margin
-222.6%
Thin — -222.6% gross margin
Profit after running costs
Operating Margin
-153.4%
Losing money on operations — -153.4%
Return on the money invested
ROCE
8.5%
Below par — 8.5% return on capital

ROIC between 5% and 15%. They earn 5 to 15 cents back per year on every dollar invested.

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Growth

Sales growth
Sales YoY
-19.3%
Shrinking sales (-19.3% YoY)
Profit growth
EPS YoY
-21.9%
Earnings shrinking (-21.9% YoY)

Earnings per share down more than 10%. Either a bad year, or a real decline.

How steady the profit is
EPS Consistency
4/8 quarters
Earnings inconsistent quarter-to-quarter

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Cash Flow

Profit that turns into cash
Cash Conversion
42%
Weak — only 42% of profit becomes cash
Spare cash per sale
FCF Margin
28.3%
Converts sales into free cash efficiently (28.3%)

Free cash flow margin above 20%. Out of every $100 in sales, more than $20 is real cash they keep.

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Stability

What it owes vs what it owns
Debt / Equity
N/A
Data not available
Covers its interest
Interest Cover
4.20x
Adequate interest coverage (4.2x)

Interest coverage between 3 and 8. Profits cover interest several times over.

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Valuation

Price vs profit
P/E Ratio (TTM)
12.3x
Attractive valuation — P/E 12.3

P/E in the normal range. Price is roughly $15 for every $1 of yearly profit.

Cheaper or dearer next year
P/E vs Forward
-2.3
SLOWING
Earnings expected to fall — forward P/E higher than today

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Dividends

Dividend
Dividend Yield
7.71%
Healthy income — 7.71% yield

Yield above 6% — often a flag the market is pricing in a cut.

Dividend record
Dividend Growth
+1.4%
Dividend flat

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