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River UK Micro Cap Limited

RMMC.L
40
Asset Management · Financial Services
Exchange
London Stock Exchange
Winston Score
40
Winston is serious
Mixed quality — meaningful strengths and weaknesses.
Data as of Aug 23, 2026 · filings through Mar 31, 2026
How the score breaks down
Quality
Good
Growth
Good
Cash Flow
Weak
Stability
Good
Valuation
Good

Winston Score History

The full picture

River UK Micro Cap Limited is a closed-end investment fund listed on the London Stock Exchange. It pools money from investors and uses it to buy shares in very small UK companies, known as micro-cap stocks. These are businesses typically too small to appear on most mainstream investors' radar, with market values often below £150 million.

The fund earns money by charging management fees on the assets it oversees, which is a common model for investment trusts. It operates exclusively in the UK market, giving it a focused geographic mandate. Its competitive edge comes from specializing in a niche corner of the market where fewer professional investors compete, which can create opportunities to find undervalued companies. The main risk the fund faces is that small UK companies tend to be less liquid and more volatile than larger firms, meaning their share prices can fall sharply during economic downturns or periods of weak investor confidence in UK markets.

Growth Profile

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

Revenue Growth

-45.9% YoY

YoY Growth Rate

Revenue declining

EPS Growth

-55.0% YoY

YoY Growth Rate

Earnings declining

Insider Activity

0.7%ownership

Flat

Insider ownership roughly steady over the past year

Cash Runway

5+ years

Quarterly Free Cash Flow

→ Burn rate stable

£84M cash & investments at current burn rate

Revenue declining

River UK Micro Cap Limited's revenue is actually shrinking. In a growth stock, that removes the core investment thesis. The low Winston Score here may be warranted — unless there's a turnaround story.

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
92.1%
Premium pricing power — 92.1% gross margin
Profit after running costs
Operating Margin
-92.1%
Losing money on operations — -92.1%
Return on the money invested
ROCE
14.4%
Good — 14.4% 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
+10.4%
Steady sales growth (+10.4% YoY)
Profit growth
EPS YoY
+557.9%
Earnings growing fast (+557.9% YoY)

Earnings growing 25%+ a year. The compounder zone.

How steady the profit is
EPS Consistency
3/8 quarters
Earnings rarely grow — volatile business

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Cash Flow

Profit that turns into cash
Cash Conversion
-6%
Weak — only -6% of profit becomes cash
Spare cash per sale
FCF Margin
-7.5%
Burning cash (-7.5%)

Free cash flow is negative. They are burning cash, not generating it.

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Stability

What it owes vs what it owns
Debt / Equity
N/A
Data not available
Covers its interest
Interest Cover
100.00x
Comfortably covers interest (100.0x)

Interest coverage above 8. Profits cover interest many times over.

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Valuation

Price vs profit
P/E Ratio (TTM)
7.1x
no trend
Attractive valuation — P/E 7.1

P/E under 10. The price tag is small relative to last year's profit.

Cheaper or dearer next year
P/E vs Forward
N/A
not available
Data not available

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Dividends

Not applicable for this business.
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