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Main Street Capital Corporation

MAIN
27
Asset Management · Financial Services
Also trades as: 0JXQ.L
Price
$58.38
-0.65 (-1.09%)
Market Cap
$5.43B
Exchange
New York Stock Exchange
Winston Score
27
Winston is worried
Below-average fundamentals — multiple weak pillars.
Data as of Aug 12, 2026 · filings through Jun 30, 2026

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)

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.

Winston Score History

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

Gross Margin
-222.6%
Thin — -222.6% gross margin
Operating Margin
-153.4%
Losing money on operations — -153.4%
ROCE
-2.8%
Weak — -2.8% return on capital

Negative ROIC means the business is losing money on every dollar invested in it.

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Growth

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

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

EPS Consistency
4/8 quarters
Earnings inconsistent quarter-to-quarter

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Cash Flow

Cash Conversion
42%
Weak — only 42% of profit becomes cash
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

Debt / Equity
N/A
Data not available
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

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.

P/E vs Forward
-2.2
SLOWING
Earnings expected to fall — forward P/E higher than today

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Dividends

Dividend Yield
7.71%
Healthy income — 7.71% yield

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

Dividend Growth
+1.4%
Dividend flat

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