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Anterix

ATEX
49
Telecommunications Services · Communication Services
Price
$93.25
+7.94 (+9.31%)
Market Cap
$1.82B
Exchange
NASDAQ
Winston Score
49
Winston is serious
Mixed quality — meaningful strengths and weaknesses.
Data as of Aug 23, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Good
Growth
Strong
Cash Flow
Weak
Stability
Good
Valuation
Mixed

Share count rising — dilution

+3.4% over 4y

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

Diluted shares outstanding: 18.1M (2022) → 18.8M (2026)

Winston Score History

The full picture

Anterix is a small U.S. wireless company that owns a large block of 900 MHz radio spectrum across the entire continental United States, Hawaii, Alaska, and Puerto Rico. It does not build consumer products or run a phone network. Instead, it licenses this spectrum to electric utilities and other critical infrastructure companies that need private, reliable wireless networks to manage power grids and other essential systems.

Anterix makes money by signing long-term spectrum leases with utility companies, which creates a recurring, royalty-like revenue stream. Because it holds the largest contiguous block of 900 MHz spectrum in the country, it has a near-monopoly position in this specific frequency band for private utility broadband. The company is still in an early commercial stage, with only a handful of signed deals so far, so the main risk is whether enough utilities will commit to building out 900 MHz private networks rather than choosing alternative technologies like FirstNet or other wireless solutions.

Growth Profile

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

Revenue Growth

+38.1% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

-99.1% YoY

YoY Growth Rate

Earnings declining

R&D Spend

$5M/ year

Declining (-18% vs prior year)

72.3% of revenue

6.0x the sector average (12%)

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

Insider Activity

3.1%ownership

Flat

Insider ownership roughly steady over the past year

Cash Position

Cash flow positive

$116M cash & investments

Quarterly Free Cash Flow

↓ Burn rate worsening

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

Revenue accelerating

Anterix grew revenue 38% 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
100.0%
Premium pricing power — 100.0% gross margin
Profit after running costs
Operating Margin
-12.6%
Losing money on operations — -12.6%
Return on the money invested
ROCE
24.9%
Exceptional — 24.9% return on capital

ROIC between 15% and 25%. Every dollar invested in the business earns 15 to 25 cents back per year.

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Growth

Sales growth
Sales YoY
+18.9%
Fast-growing sales (+18.9% YoY)
Profit growth
EPS YoY
+123.7%
Earnings growing fast (+123.7% YoY)

Earnings growing 25%+ a year. The compounder zone.

How steady the profit is
EPS Consistency
5/8 quarters
Mixed — about half the quarters showed growth

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Cash Flow

Profit that turns into cash
Cash Conversion
16%
Weak — only 16% of profit becomes cash
Spare cash per sale
FCF Margin
-278.9%
Burning cash (-278.9%)

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
100.00x
Comfortably covers interest (100.0x)

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

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Valuation

Price vs profit
P/E Ratio (TTM)
26.5x
Growth-priced — P/E 26.5

P/E above the market average. People are paying up for expected growth.

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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