Stocktoria

Montauk Renewables, Inc. MNTK

Nasdaq · stock · Gas & Other Services Combined · website · IPO 2021-01-22

Montauk Renewables, Inc. statistics & valuation

Market cap$214.9M
P / E123.0×
P / S1.2×
P / B0.8×
Net margin1.0%
Return on equity0.7%
FCF margin-48.9%
Net debt$102.2M
Net debt / EBITDA3.3×
Enterprise value USD$317.2M
EV / EBITDA10.3×
Earnings yield EBIT/EV0.3%
Return on capital0.2%
Graham number -65.4%$0.64

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else from the latest financial reports. The Graham number is Benjamin Graham's rough maximum fair value ($0.64); a green figure means the price is below it.

Profitability & efficiency

Net margin (%)
5.50% 4.60% -3.10% 16.50% 8.50% 5.50% 1.00% 2019202020212022202320242025
Gross margin (%)
29.10% 25.00% 17.20% 30.80% 25.90% 2019202020212022202320242025
Operating margin (%)
10.40% 3.60% 2.30% 20.90% 13.50% 9.20% 0.50% 2019202020212022202320242025
Return on equity (%)
3.80% 2.90% -2.50% 15.50% 6.00% 3.80% 0.70% 2019202020212022202320242025
Shares outstanding
141.0M 141.0M 142.6M 142.2M 142.7M 143.2M 2019202020212022202320242025
Net debt ($)
$35.3M $18.1M -$41.7M -$18.2M -$1.9M $102.2M 2019202020212022202320242025
Share buybacks ($)
2019202020212022202320242025
Return on assets (%)
2.40% 1.80% -1.60% 10.60% 4.30% 2.80% 0.40% 2019202020212022202320242025
Free cash flow margin (%)
22.20% 27.60% -12.60% -10.50% -48.90% 2019202020212022202320242025
Debt / equity (×)
0.35× 0.39× 0.28× 0.22× 0.17× 0.48× 2019202020212022202320242025
EPS ($)
-$0.03 $0.25 $0.11 $0.07 $0.01 2019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

P / E vs its own history

Montauk Renewables, Inc. trades at about 186× earnings — above its 10-year norm (10-year range 44.4×–174×, median 62.8×).

44.4× 186×

Shaded band = 10-year range (44.4×–174×); dot = today's 186×.

Historical P/E = month-end price near each fiscal year-end ÷ that year's EPS. A read on whether the stock is cheap or dear relative to how it has typically been valued — not a forecast.

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019
Gross margin——25.9%30.8%17.2%25.0%29.1%
Operating margin0.5%9.2%13.5%20.9%2.3%3.6%10.4%
Net margin1.0%5.5%8.5%16.5%-3.1%4.6%5.5%
FCF margin-48.9%-10.5%-12.6%27.6%22.2%——
Return on assets0.4%2.8%4.3%10.6%-1.6%1.8%2.4%
Return on equity0.7%3.8%6.0%15.5%-2.5%2.9%3.8%
Debt / equity0.48×0.17×0.22×0.28×0.39×0.35×—
Current ratio1.111.713.074.403.061.14—

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.