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Montauk Renewables, Inc. key statistics and ratios

In fiscal 2025, Montauk Renewables, Inc. had return on equity of 0.7%, an operating margin of 0.5%, debt equal to 49.0% of equity and a current ratio of 1.11. Each ratio below is calculated from the figures on its income statement, balance sheet and cash flow pages.

Financial ratios

US$ thousands unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Fiscal year2019Dec 20192020Dec 20202021Dec 20212022Dec 20222023Dec 20232024Dec 20242025Dec 2025LTMJun 2026
Gross margin29.1%25.0%17.2%32.0%25.9%———
Operating margin10.4%3.6%2.3%21.7%13.5%9.2%0.5%0.6%
Net margin5.5%4.6%−3.1%17.1%8.5%5.5%1.0%4.2%
Free-cash-flow margin−16.8%11.0%22.2%28.6%−12.6%−10.5%−48.9%−44.1%
Return on equity3.8%2.9%−2.6%17.2%6.3%3.8%0.7%3.0%
Return on assets2.4%1.9%−1.7%11.4%4.4%2.8%0.4%1.8%
Asset turnover0.430.400.550.660.510.500.450.42
Current ratio—1.143.064.403.071.711.110.62
Debt to equity0.0%41.5%43.6%31.7%25.6%21.8%49.0%56.6%
Interest cover (operating income ÷ interest)2.0x0.8x1.1x24.9x4.1x3.1x0.2x0.2x
Effective tax rate−6.5%——18.6%18.6%20.1%——
Capital spending as % of revenue43.1%17.6%6.7%10.8%36.1%35.5%66.1%67.1%
Free cash flow ÷ net income−305.6%239.8%—167.0%−147.4%−190.3%<−999%<−999%
Dividends and buybacks ÷ free cash flow——32.9%0.4%————

Returns use average equity or assets over the year. Return on equity is left blank when equity is negative or so small that the ratio says nothing (above ±200%); interest cover is left blank above 200 times. Price-based ratios such as P/E are on the valuation page.

Financial health

1 of 7 checks passed · June 30, 2026
What it owns · $471m
Short-term assets $27mLonger-term assets $443m
What it owes, and who funded it · $471m
Short-term liabilities $44mLonger-term liabilities $162mShareholders' equity $265m
  • Short-term assets cover short-term liabilities $27m of assets due within a year against $44m of liabilities due within a year.
  • Short-term assets cover long-term liabilities $27m short-term assets against $162m of longer-dated liabilities.
  • More cash than debt $16m of cash against $150m of debt.
  • Debt below 40% of shareholders' equity Debt is 57% of equity.
  • Debt burden no higher than five years ago Debt to equity moved from 39% to 57% over five years.
  • A year's operating cash flow covers at least 20% of debt $43m of operating cash flow against $150m of debt.
  • Operating profit covers interest at least five times over Operating income of $1m against $5m of interest.

From Montauk Renewables, Inc.'s latest balance sheet as filed. Checks are fixed, documented rules (methodology), counted only where the company reports the figures — a dot means the filing doesn't break the item out. Descriptions of reported data, not advice.

Moat

9 /100

Weak moat

How hard Montauk Renewables's competitive advantage looks for rivals to wear away, judged from 6 years of its own filings: returns on capital, pricing power, profit durability, cash conversion and discipline.

  • Returns on capital 2 / 20

    Net income has been a median 3.0% of total assets over 6 years.

  • Durability 2 / 20

    Operating margin has been a median 9.1%; its worst year was -8.5%.

  • Cash conversion 5 / 20

    Free cash flow was positive in 3 of 6 years, at a median -1.7% of revenue.

AI disruption exposure: Medium. In this industry, AI could change how the product is made or sold, without replacing the core asset. The score above includes a 5-point deduction for that exposure (14 before it).

A rules-based reading of reported figures, not a forecast and not investment advice. How the score is built: methodology.

Compare with peers

Head to head: MNTK vs SPRUENLT vs MNTKMNTK vs SUNE

More: Renewable Electricity stocks compared, Utilities sector, rankings of US companies

Figures from Montauk Renewables, Inc.'s SEC filings (10-K and 10-Q), retrieved October 29, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Montauk Renewables, Inc.