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Sky Harbour Group

SKYH
45
Real Estate - Development · Real Estate
Price
$10.45
+0.24 (+2.35%)
Market Cap
$799.7M
Winston Score
45
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
Mixed
Growth
Good
Cash Flow
Good
Stability
Weak
Valuation
Weak

Share count rising — dilution

+127.4% over 4y

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

Diluted shares outstanding: 15.0M (2021) → 34.0M (2025)

Winston Score History

The full picture

Sky Harbour Group builds and leases private aviation campuses at airports across the United States. These campuses are called "home bases" and are designed specifically for private jet owners who want a dedicated, secure place to store and service their aircraft. The company targets high-net-worth individuals and corporate flight departments that own or operate business jets.

Sky Harbour makes money by charging long-term leases to private jet operators who rent hangar space at its facilities. The company is still in an early growth phase, operating at a significant operating loss as it builds out new locations. Its competitive edge comes from offering premium, purpose-built hangar campuses rather than the older, shared facilities found at most airports — a model that is hard to replicate quickly due to the difficulty of securing airport land leases. The key risk is that building new campuses requires heavy upfront capital, and the company must fill enough hangar space at each location to eventually turn a profit.

Growth Profile

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

Revenue Growth

+49.6% YoY

YoY Growth Rate

Strong revenue growth

EPS Growth

-106.9% YoY

YoY Growth Rate

Earnings declining

R&D Spend

$0/ year

0.0% of revenue

Below sector average (1%)

Research and development spending

Insider Activity

74.8%ownership

Flat

Insider ownership roughly steady over the past year

Cash Runway

~6 months

$62M cash & investments

Quarterly Free Cash Flow

↓ Burn rate worsening

Short runway — potential dilution ahead through share issuance

Strong grower

Sky Harbour Group is growing revenue at 50% 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

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Quality

Profit per sale
Gross Margin
53.2%
Healthy — 53.2% gross margin
Profit after running costs
Operating Margin
29.0%
Excellent — 29.0% operating margin
Return on the money invested
ROCE
-3.3%
Weak — -3.3% 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
+62.2%
Fast-growing sales (+62.2% YoY)
Profit growth
EPS YoY
N/A
Data not available
How steady the profit is
EPS Consistency
6/8 quarters
Earnings grew in most of the last 8 quarters

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Cash Flow

Profit that turns into cash
Cash Conversion
496%
Turns 496% of profit into real cash
Spare cash per sale
FCF Margin
-289.2%
Burning cash (-289.2%)

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
3.27
Heavy debt load (3.27)
Covers its interest
Interest Cover
N/A
Data not available

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Valuation

Price vs profit
P/E Ratio (TTM)
270.0x
Expensive — P/E 270.0

P/E over 35. The market is pricing in heavy, sustained 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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