Cytek Biosciences

CTKB

Medical - Devices · Healthcare

Price

$4.62

-0.01 (-0.32%)

Market Cap

$596.6M

Exchange

NASDAQ

Winston Score

Winston is worried

Weak fundamentals across most pillars.

Share count falling — buybacks

−4.5% over 4y

The company has reduced its share count over this period, returning value to shareholders through buybacks.

Diluted shares outstanding: 133.7M (2021) → 127.7M (2025)

Cytek Biosciences, Inc., a cell analysis solutions company, provides cell analysis tools that facilitates scientific advances in biomedical research and clinical applications. It offers aurora and northern lights systems, which are spectrum flow cytometers that delivers cell analysis by utilizing the fluorescence signatures from multiple lasers to distinguish fluorescent tags on single cells; and aurora cell sorter system, which leverages full spectrum profiling technology to further broaden pot

Winston Score History

Politician Trades

1 trades / 12mo

0 Congressional buys and 1 sell on CTKB in the last 12 months.

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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

+6.5% YoY

YoY Growth Rate

Slow revenue growth

EPS Growth

-66.7% YoY

YoY Growth Rate

Earnings declining

R&D Spend

$36M/ year

↓ Declining (-7% vs prior year)

18.1% of revenue

In line with sector average (18%)

R&D spend declining — could signal cost-cutting or efficiency

Insider Activity

8.4%ownership

→ Flat

Insiders holding steady — not selling despite ability to

Cash Runway

~3 years

$66M cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

$66M cash & investments at current burn rate

Growth context

Cytek Biosciences is growing revenue at 6% year-over-year. The Winston Score measures business quality today — these growth metrics show what could matter tomorrow.

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

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Quality

Gross Margin

48.2%

Healthy — 48.2% gross margin

Operating Margin

-41.8%

Losing money on operations — -41.8%

ROCE

-5.3%

Weak — -5.3% return on capital

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

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Growth

Sales YoY

+3.6%

Slow sales growth (3.6% 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

-6.2%

Burning cash (-6.2%)

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

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Stability

Debt / Equity

0.07

Conservative — low debt load (0.07)

Interest Cover

N/A

Data not available

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Valuation

P/E Ratio (TTM)

N/M

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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