Zentek

ZEN.V

Chemicals - Specialty · Basic Materials

Exchange

Toronto Stock Exchange Ventures

Winston Score

–

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Winston Score History

The full picture

Zentek Ltd. is a Canadian materials science company focused on developing graphene-based products. Graphene is an extremely thin, strong material made from carbon that has unique properties useful in filters, coatings, and electronics. Zentek's main product is ZenGUARD, a graphene oxide coating designed to be applied to face masks and other protective materials to improve their ability to block viruses and bacteria.

The company earns revenue by licensing its technology and selling or partnering to commercialize its coated products, primarily targeting healthcare and personal protective equipment markets. Zentek is headquartered in Guelph, Ontario, Canada, and remains a small-cap, early-stage company with minimal commercial revenue — as shown by its deeply negative margins. Its competitive position depends on proprietary graphene technology and any patents it holds, but the main risk is that it has not yet demonstrated a clear path to consistent, scalable revenue, making its long-term viability uncertain.

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

-95.5% YoY

YoY Growth Rate

Revenue declining

EPS Growth

-85.8% YoY

YoY Growth Rate

Earnings declining

Insider Activity

4.4%ownership

Relatively low insider ownership

Cash Runway

~4 months

C$1M cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

Short runway — potential dilution ahead through share issuance

Cash watch

Zentek 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

N/A

Data not available

Profit after running costs

Operating Margin

N/A

Data not available

Return on the money invested

ROCE

-40.0%

Weak — -40.0% return on capital

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

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Growth

Sales growth

Sales YoY

-88.3%

Shrinking sales (-88.3% YoY)

Profit growth

EPS YoY

N/A

—

Data not available

How steady the profit is

EPS Consistency

6/8 quarters

Earnings grew in most of the last 8 quarters

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Cash Flow

Profit that turns into cash

Cash Conversion

N/A

—

Data not available

Spare cash per sale

FCF Margin

-5149.1%

Burning cash (-5149.1%)

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

0.08

Conservative — low debt load (0.08)

Covers its interest

Interest Cover

N/A

Data not available

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Valuation

Price vs profit

P/E Ratio (TTM)

N/M

no trend

Negative earnings — P/E not meaningful

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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