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Montauk Renewables

MNTK
43
Diversified Utilities · Utilities
Exchange
NASDAQ
Winston Score
43
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
Weak
Growth
Good
Cash Flow
Good
Stability
Mixed
Valuation
Good

Winston Score History

The full picture

Montauk Renewables is a company that captures methane gas from landfills and livestock farms and turns it into usable energy. That gas — which would otherwise escape into the atmosphere — gets converted into renewable natural gas (RNG) or electricity, which is then sold to utilities, fuel distributors, and industrial customers. The company operates across the United States and is one of the larger independent producers of landfill-based renewable natural gas in the country.

Montauk makes money by selling the gas and electricity it produces, and it also earns valuable government credits called Renewable Identification Numbers (RINs) under the federal Renewable Fuel Standard program — these credits can make up a significant portion of revenue. The company's long-term agreements with landfill and farm operators give it a relatively stable supply of raw material. However, its financial results are heavily tied to RIN prices and government policy, meaning changes to federal renewable fuel regulations represent a key risk to its business.

Growth Profile

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

Revenue Growth

+19.7% YoY

YoY Growth Rate

Steady revenue growth

EPS Growth

+104.2% YoY

YoY Growth Rate

EPS growth accelerating

Insider Activity

70.7%ownership

Flat

Insider ownership roughly steady over the past year

Cash Runway

~2 months

$19M cash & investments

Quarterly Free Cash Flow

↓ Burn rate worsening

Short runway — potential dilution ahead through share issuance

Cash watch

Montauk Renewables 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.

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Quality

Profit per sale
Gross Margin
29.9%
Modest — 29.9% gross margin
Profit after running costs
Operating Margin
-0.1%
Losing money on operations — -0.1%
Return on the money invested
ROCE
0.6%
Weak — 0.6% 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 growth
Sales YoY
+4.3%
Slow sales growth (+4.3% YoY)
Profit growth
EPS YoY
+193.1%
Earnings growing fast (+193.1% YoY)

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

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
748%
Turns 748% of profit into real cash
Spare cash per sale
FCF Margin
-52.0%
Burning cash (-52.0%)

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
0.57
Conservative — low debt load (0.57)
Covers its interest
Interest Cover
0.45x
Dangerous — barely covers interest (0.5x)

Interest coverage below 1. Their profits don't cover the interest bill.

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Valuation

Price vs profit
P/E Ratio (TTM)
33.9x
Pricey — P/E 33.9

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

Cheaper or dearer next year
P/E vs Forward
+28.0
GROWING
Earnings expected to grow meaningfully — cheaper on forward P/E (33.9 → 6.0)

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Dividends

Not applicable for this business.
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