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ASP Isotopes Inc. Common Stock

ASPI
26
Chemicals · Basic Materials
Price
$4.00
+0.05 (+1.27%)
Market Cap
$503.6M
Exchange
NASDAQ
Winston Score
26
Winston is worried
Below-average fundamentals — multiple weak pillars.
Data as of Aug 23, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Weak
Growth
Mixed
Cash Flow
Weak
Stability
Mixed
Valuation
Data not available

Share count rising — dilution

+141.6% over 4y

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

Diluted shares outstanding: 34.4M (2021) → 83.0M (2025)

Winston Score History

The full picture

ASP Isotopes is a small company that makes enriched isotopes — special versions of chemical elements used in medicine, nuclear energy, and scientific research. Its main products include isotopes like uranium-235 for nuclear fuel and isotopes used in cancer treatment drugs. The company uses a proprietary laser-based enrichment technology called Aerodynamic Separation Process, which is designed to be cheaper and more efficient than older enrichment methods.

ASP Isotopes earns revenue by selling enriched isotopes to customers in the medical, energy, and industrial sectors. It operates primarily in South Africa, where its enrichment facilities are located, and is still in an early commercial stage — which explains why its operating losses are very large relative to its revenue. The key growth driver is scaling up production and winning supply contracts, particularly in the nuclear fuel market, but the main risk is that the company is burning cash and has not yet proven it can produce isotopes profitably at commercial scale.

Growth Profile

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

+327.5% YoY

YoY Growth Rate

Strong revenue growth

EPS Growth

+73.8% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$12M/ year

Rising (+294% vs prior year)

51.8% of revenue

17.3x the sector average (3%)

Investing heavily in future products and technology

Insider Activity

13.4%ownership

Declining

Insider ownership declining — could be dilution or selling

Cash Runway

~3 years

$280M cash & investments

Quarterly Free Cash Flow

↓ Burn rate worsening

$280M cash & investments at current burn rate

Strong grower

ASP Isotopes Inc. Common Stock is growing revenue at 328% year-over-year. The Winston Score penalises unprofitable companies, but revenue at this pace tells a different story — this is a company still in "build mode."

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
28.9%
Modest — 28.9% gross margin
Profit after running costs
Operating Margin
-667.5%
Losing money on operations — -667.5%
Return on the money invested
ROCE
-18.2%
Weak — -18.2% 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
+573.4%
Fast-growing sales (+573.4% 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
-267.3%
Burning cash (-267.3%)

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
1.00
Moderate — manageable debt (1.00)
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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