Rubrik (RBRK) Stock Analysis & Winston Score

Rubrik is a cybersecurity and data protection company. It makes software that helps businesses back up their data and recover quickly if they get hit by a ransomware attack or other disaster. Its main customers are large enterprises and government agencies, and it competes in the fast-growing data security market alongside companies like Cohesity and Veeam.

Rubrik makes most of its money through subscriptions, where customers pay a recurring fee to use its cloud-based platform. The company operates globally, with a strong presence in North America, and generated roughly $900 million in annual revenue as of its 2024 fiscal year. Its main competitive advantage is its platform's ability to detect threats inside backup data, not just store it — but the company is still unprofitable, spending heavily on sales and growth, which means its path to sustainable earnings remains the key risk investors are watching.

Winston Score History

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Growth Profile

For growth stock investors

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

Revenue Growth

+46.3% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

+28.0% YoY

YoY Growth Rate

EPS growth accelerating

Insider Activity

23.6%ownership

→ Flat

Insiders holding steady — not selling despite ability to

Cash Position

Cash flow positive

$380M cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

Company generates more cash than it spends — no dilution risk from fundraising

Revenue accelerating

Rubrik grew revenue 46% year-over-year and the growth rate is speeding up. That's the kind of momentum growth investors look for — the question is whether margins can follow.

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

80.9%

Premium pricing power — 80.9% gross margin

Operating Margin

-21.8%

Losing money on operations — -21.8%

ROCE

-13.5%

Weak — -13.5% return on capital

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

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Growth

Sales YoY

+44.8%

Fast-growing sales (44.8% YoY)

EPS YoY

N/A

—

Data not available

EPS Consistency

0/8 quarters

Earnings rarely grow — volatile business

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Cash Flow

Cash Conversion

N/A

—

Data not available

FCF Margin

23.6%

Converts sales into free cash efficiently (23.6%)

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

N/A

Data not available

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Valuation

P/E Ratio (TTM)

N/M

no trend

Negative earnings — P/E not meaningful

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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