C3is

CISS

Marine Shipping · Industrials

Price

$1.38

-0.02 (-1.43%)

after-hours:$1.36-1.45%

Market Cap

$378,675

Exchange

NASDAQ Capital Market

Winston Score

Winston is curious

A decent business — some strong pillars, some weaker.

Data as of Sep 3, 2026 · filings through Jun 30, 2026

How the score breaks down

Quality

Strong

Growth

Good

Cash Flow

Strong

Stability

Exceptional

Valuation

Good

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Share count rising — dilution

+340918.6% over 4y

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

Diluted shares outstanding: 102.648 (2021) → 350K (2025)

Winston Score History

The full picture

C3is Inc. is a small marine shipping company that owns and operates dry bulk vessels and tankers. These ships carry cargo like grain, coal, minerals, and petroleum products across international waters for commodity traders and industrial customers. The company is based in Greece, which is a major hub for global shipping operations.

C3is makes money by chartering its vessels to customers, earning revenue based on daily hire rates or voyage contracts. It operates a very small fleet, which means it has limited scale compared to larger shipping peers. The company's results are heavily tied to global shipping rates, which can swing dramatically based on trade demand, fuel costs, and fleet supply. Key risks include volatile freight markets, the cost of maintaining and expanding its fleet, and significant share dilution that has historically weighed on shareholder value.

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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

+123.9% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

+384.4% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$0/ year

0.0% of revenue

Below sector average (4%)

Research and development spending

Insider Activity

0.0%ownership

Relatively low insider ownership

Cash Position

Cash flow positive

$33M cash & investments

Quarterly Free Cash Flow

→ Burn rate stable

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

Revenue accelerating

C3is grew revenue 124% 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

Profit per sale

Gross Margin

43.6%

Healthy — 43.6% gross margin

Profit after running costs

Operating Margin

40.5%

Excellent — 40.5% operating margin

Return on the money invested

ROCE

12.3%

Good — 12.3% 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

+33.8%

Fast-growing sales (+33.8% YoY)

Profit growth

EPS YoY

+32.3%

Earnings growing fast (+32.3% 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

66%

Modest — 66% of profit becomes cash

Spare cash per sale

FCF Margin

27.2%

Converts sales into free cash efficiently (27.2%)

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

What it owes vs what it owns

Debt / Equity

0.00

Conservative — low debt load (0.00)

Covers its interest

Interest Cover

56.37x

Comfortably covers interest (56.4x)

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

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Valuation

Price vs profit

P/E Ratio (TTM)

0.0x

Attractive valuation — P/E 0.0

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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