What is Montauk Renewables's free cash flow margin?

Montauk Renewables (MNTK) reported free cash flow margin of -54.8% in Q1 2026.

What is the long-term trend for Montauk Renewables's free cash flow margin?

Over 2 years (2021 to 2025), Montauk Renewables's free cash flow margin has grown at a 48.4% compound annual growth rate (CAGR), from 22.2% to -48.9%.

What does free cash flow margin mean?

Free cash flow (operating cash flow minus capital expenditures) as a percentage of revenue, trailing twelve months. Measures how efficiently revenue converts into discretionary cash.

Montauk Renewables MNTK Free cash flow margin

Free cash flow margin at other companies

Clean Energy FuelsCLNE

6.5%—

GevoGEVO

-70.9%-33.4pp

AmerescoAMRC

-0.8%-3.0pp

OPA

OPAL Fuels Inc.OPAL

-18.9%-1.1pp

Clearway Energy, Inc.CWEN

44.2%+5.8pp

MDU Resources GroupMDU

-20.2%-23.2pp

Other financials

Income statement

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Revenue$46.4M+9.0%

Operating income-$1.6M-490%

Net income$5.0K+101%

EPS (diluted)$0.00—

Balance sheet

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Cash & equivalents$25.9M-35.3%

Total debt$158.0M+164%

Total equity$263.8M+2.2%

Total assets$467.8M+32.1%

Cash flow

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Operating cash flow$15.8M+73.4%

CapEx$30.9M+165%

Free cash flow-$15.0M-503%

Valuation

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Market cap$222.05M-26.2%

Enterprise value$354.11M-0.3%

P/E100.2×—

P/S1.2×-0.4×

Profitability

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Operating margin17.1%+3.2pp

Net margin1.2%—

Returns & leverage

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Return on equity0.8%—

Debt / equity0.6×+0.4×

Current ratio0.9×-0.4×

Where this comes from

Calculated from Montauk Renewables’s reported figures.

free cash flow/total revenue=-54.8%

Based on trailing twelve months.

The official record: Montauk Renewables’s 10-Q, filed May 6, 2026, on SEC EDGAR. View the filing →

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Questions, answered.

What is Montauk Renewables's free cash flow margin?: Montauk Renewables (MNTK) reported free cash flow margin of -54.8% in Q1 2026.
What is the long-term trend for Montauk Renewables's free cash flow margin?: Over 2 years (2021 to 2025), Montauk Renewables's free cash flow margin has grown at a 48.4% compound annual growth rate (CAGR), from 22.2% to -48.9%.
What does free cash flow margin mean?: Free cash flow (operating cash flow minus capital expenditures) as a percentage of revenue, trailing twelve months. Measures how efficiently revenue converts into discretionary cash.