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Montana Aerospace AG logo

Montana Aerospace AG

AERO.SW
36
Aerospace & Defense · Industrials
Also trades as: 0AAI.L
Price
CHF 25.15
-0.15 (-0.59%)
Market Cap
CHF 1.58B
Exchange
SIX Swiss Exchange
Winston Score
36
Winston is serious
Below-average fundamentals — multiple weak pillars.
Data as of Aug 10, 2026 · filings through Mar 31, 2026

Share count rising — dilution

+8.2% over 4y

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

Diluted shares outstanding: 57.6M (2021) → 62.3M (2025)

Montana Aerospace AG is a Swiss industrial company that makes structural parts and components for aircraft. It works with aluminum, titanium, and other metals to produce things like fuselage sections, wing parts, and engine components. Its main customers are large aerospace manufacturers, including Airbus and Boeing, as well as suppliers in the defense and electric vehicle industries.

The company earns money by manufacturing and selling these engineered parts under long-term supply contracts, which provides relatively steady revenue. Montana Aerospace operates across Europe, North America, and other regions, with production sites in multiple countries, making it a mid-sized global supplier. Its competitive position comes from its ability to handle complex, precision metalwork across the full supply chain — from raw material processing to finished parts. The key growth driver is the ongoing recovery in commercial aviation and rising aircraft build rates, but the main risk is that thin operating margins leave little room for cost overruns or production delays.

Winston Score History

Growth Profile

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

Revenue Growth

-39.6% YoY

YoY Growth Rate

Revenue declining

EPS Growth

+88.2% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$448,912/ year

0.0% of revenue

Below sector average (4%)

Research and development spending

Insider Activity

59.6%ownership

Flat

Insider ownership roughly steady over the past year

Cash Runway

~3 years

$151M cash & investments

Quarterly Free Cash Flow

→ Burn rate stable

$151M cash & investments at current burn rate

Revenue declining

Montana Aerospace AG's revenue is actually shrinking. In a growth stock, that removes the core investment thesis. The low Winston Score here may be warranted — unless there's a turnaround story.

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

Gross Margin
18.0%
Thin — 18.0% gross margin
Operating Margin
6.9%
Modest — 6.9% operating margin
ROCE
1.5%
Weak — 1.5% return on capital

ROIC between 0% and 5%. They earn a few cents back per dollar invested in the business.

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Growth

Sales YoY
-24.3%
Shrinking sales (-24.3% YoY)
EPS YoY
-98.3%
Earnings shrinking (-98.3% YoY)

Earnings per share down more than 10%. Either a bad year, or a real decline.

EPS Consistency
4/8 quarters
Earnings inconsistent quarter-to-quarter

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Cash Flow

Cash Conversion
24573%
Turns 24573% of profit into real cash
FCF Margin
8.6%
Modest free cash flow (8.6%)

FCF margin between 0% and 10%. Some cash from sales, but not a lot.

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Stability

Debt / Equity
0.12
Conservative — low debt load (0.12)
Interest Cover
1.40x
Dangerous — barely covers interest (1.4x)

Interest coverage between 1 and 3. Profits cover interest, but with little room to spare.

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Valuation

P/E Ratio (TTM)
N/A
Data not available
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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