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onesano S.A.

ONO.WA
25
Chemicals · Basic Materials
Price
0.53 PLN
-0.03 (-6.07%)
Market Cap
34.7M PLN
Exchange
Warsaw Stock Exchange
Winston Score
25
Winston is worried
Below-average fundamentals — multiple weak pillars.
Data as of Jul 26, 2026 · filings through Mar 31, 2026

Share count rising — dilution

+144.0% over 4y

The company has issued more shares over this period, which dilutes each existing shareholder’s stake.

Diluted shares outstanding: 27.0M (2021) → 65.9M (2025)

Onesano S.A. is a small Polish chemicals company listed on the Warsaw Stock Exchange. It focuses on producing health and wellness-related chemical products, including dietary supplements and cosmetic ingredients, selling primarily to retail customers and distributors in Poland and nearby European markets. The company operates in the basic materials sector, where it competes against larger, more established chemical and consumer health producers.

Onesano generates revenue through direct product sales rather than subscriptions or licensing. It is a micro-cap business with a market capitalization near zero, meaning it is very small compared to industry peers. The company's gross margin of roughly 36% suggests some pricing power on its products, but a deeply negative operating margin and poor return on invested capital indicate it is currently spending far more than it earns. The main risk facing onesano is achieving profitability before it exhausts its financial resources, as sustained losses at this scale can threaten a small company's ability to continue operating.

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

+54.7% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

+43.4% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$0/ year

0.0% of revenue

Below sector average (3%)

Research and development spending

Insider Activity

51.1%ownership

Insiders own a meaningful stake in the company

Cash Position

Cash flow positive

$452,000 cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

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

Revenue accelerating

onesano S.A. grew revenue 55% 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

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Quality

Gross Margin
34.2%
Modest — 34.2% gross margin
Operating Margin
-23.0%
Losing money on operations — -23.0%
ROCE
-13.2%
Weak — -13.2% return on capital

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

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Growth

Sales YoY
+26.3%
Fast-growing sales (26.3% 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
-10.4%
Burning cash (-10.4%)

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

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Stability

Debt / Equity
0.51
Conservative — low debt load (0.51)
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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