ADS-TEC Energy

ADSE

Electrical Equipment & Parts · Industrials

Price

$11.34

-0.30 (-2.58%)

Market Cap

$852.0M

Exchange

NASDAQ

Winston Score

Winston is worried

Weak fundamentals across most pillars.

Data as of Aug 23, 2026 · filings through Dec 31, 2025

How the score breaks down

Quality

Weak

Growth

Weak

Cash Flow

Weak

Stability

Data not available

Valuation

Data not available

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Share count rising — dilution

+137.2% over 4y

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

Diluted shares outstanding: 25.3M (2021) → 60.1M (2025)

Winston Score History

The full picture

ADS-TEC Energy is a German company that makes ultra-fast electric vehicle charging systems. Its main product is a battery-buffered charger, which stores energy in a built-in battery pack and then delivers a very fast charge to an EV — even in locations where the local power grid is too weak to support fast charging on its own. Its customers include fleet operators, retailers, and charging network operators across Europe and North America.

The company sells hardware and earns revenue from equipment sales and related services. ADS-TEC Energy is headquartered in Germany and has been expanding into the US market, which it sees as a major growth opportunity. Its battery-buffer technology gives it a technical edge in grid-constrained locations where competitors struggle to deploy fast chargers. However, the company is deeply unprofitable — with a gross margin of negative 55% and an operating margin of negative 182% — meaning its biggest risk is burning through cash before it can scale revenue enough to reach profitability.

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

-35.7% YoY

YoY Growth Rate

Revenue declining

EPS Growth

+23.5% YoY

YoY Growth Rate

Steady EPS growth

R&D Spend

€8M/ year

↓ Declining (-5% vs prior year)

26.9% of revenue

6.7x the sector average (4%)

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

Insider Activity

47.8%ownership

→ Flat

Insider ownership roughly steady over the past year

Cash Runway

~1 months

€7M cash & investments

Quarterly Free Cash Flow

↓ Burn rate worsening

Short runway — potential dilution ahead through share issuance

Cash watch

ADS-TEC Energy 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.

Each metric is explained in plain language so you know exactly what you're looking at. Start your free trial now.

Quality

Profit per sale

Gross Margin

-60.2%

Thin — -60.2% gross margin

Profit after running costs

Operating Margin

-164.7%

Losing money on operations — -164.7%

Return on the money invested

ROCE

-64.7%

Weak — -64.7% 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

-67.5%

Shrinking sales (-67.5% YoY)

Profit growth

EPS YoY

N/A

—

Data not available

How steady the profit is

EPS Consistency

4/8 quarters

Earnings inconsistent quarter-to-quarter

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Cash Flow

Profit that turns into cash

Cash Conversion

N/A

—

Data not available

Spare cash per sale

FCF Margin

-160.2%

Burning cash (-160.2%)

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

N/A

Data not available

Covers its interest

Interest Cover

N/A

Data not available

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Valuation

Price vs profit

P/E Ratio (TTM)

N/M

—

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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