Montauk Renewables (MNTK) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

Montauk Renewables

NasdaqCM•Basic Materials•Specialty Chemicals

$2.23-0.02(-0.01%)Market closed

Market Cap

$315.14M

P/E

39.7x

P/S

1.7x

P/B

1.2x

Montauk Renewables, Inc., a renewable energy company, engages in recovery and processing of biogas from landfills and other non-fossil fuel sources. It operates in two segments, Renewable Natural Gas and Renewable Electricity Generation. The company develops, owns, and operates renewable natural gas (RNG) and renewable electricity projects. It captures methane, prevents it from being released into the atmosphere, and converts it into either RNG or electrical power for the electrical grid. The company's customers for RNG and renewable identification numbers (RIN) include large, long-term owner-operators of landfills and livestock farms, local utilities, and large refiners in the natural gas and refining sectors. Montauk Renewables, Inc. was founded in 1980 and is headquartered in Pittsburgh, Pennsylvania.

How this company scores

WeakMetricSide Score: 39/100

Grade capped at D — Interest coverage below 1× (0.2x) — earnings cannot cover interest. Strongest: Growth (17/25); weakest: Cash & Earnings Quality (1/25).

Profitability13/25

Growth17/25

Balance Sheet & Red Flags8/25

Cash & Earnings Quality1/25

Strengths

Rising earningsProfit converts from growthImproving margins

Grade capped at D

Interest coverage below 1× (0.2x) — earnings cannot cover interest.

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/E · 39.7x5y range 28.6x – 136.0x

Currently below its 16-quarter median.

P/S · 1.7x5y range 0.9x – 10.7x

Currently below its 18-quarter median.

P/B · 1.2x5y range 0.6x – 11.4x

Watch items

Data-driven signals worth keeping an eye on across the last 8 quarters

High Risk

Margin Pressure

Red Flag

The company posted negative operating margins in recent quarters — core operations are unprofitable.

Earnings Quality

Red Flag

Free cash flow has been negative in 7 of the last 8 quarters — earnings are not translating to cash.

Price & Volume

Market Cap $315.14M

Metrics at a Glance

as of June 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue: $189.10M
Q. Revenue: $54.02M
TTM EBITDA: $34.08M
TTM Op. Income: $1.12M
Q. Op. Income: $-75,000
TTM Net Income: $7.93M
Q. Net Income: $226,000
EPS: $0
Shares Out.: $143.24M

$189.10M in TTM revenue grew 4.3% YoY, reaching $54.02M last quarter. TTM EBITDA of $34.08M and TTM operating income of $1.12M show growth is flowing through to the bottom line. TTM net income of $7.93M means revenue is converting into profit. Across the last 8 quarters, TTM revenue has risen for 3 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

Gross Margin: 46.2%
EBITDA Margin: 14.5%
Op. Margin: -0.1%
Net Margin: 0.4%

Op. margin of -0.1% is up 5.1% YoY — cost efficiency is improving. Net margin at 0.4% and gross margin of 46.2% show how much of each revenue dollar survives to profit. Across the last 8 quarters, operating margin has risen for 2 consecutive quarters — an improving trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio: 39.7x
P/S Ratio: 1.7x
P/B Ratio: 1.2x

At 39.7x P/E, the stock trades above typical market levels — the market expects above-average growth. P/S of 1.7x and P/B of 1.2x provide additional context. P/E sits above typical market levels while revenue growth is below 5%. Across the last 7 quarters, P/E has fallen for 2 consecutive quarters — an improving trend.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets: $470.71M
Cash: $15.76M
Long-Term Debt: $149.63M
Book Value: $264.53M
D/E Ratio: 0.6
Debt/EBITDA: 19.1

With $470.71M in assets and $149.63M in long-term debt, D/E is 0.6and book value is $264.53M — a conservative capital structure with a cushion to weather downturns. Over the past year, debt/equity is up 149% — an improving trend.

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow: $14.60M
TTM Free Cash Flow: $-83.37M
FCF Margin: -44.1%
FCF / Net Income: -10.5

TTM FCF of $-83.37M on $14.60M in operating cash flow. The FCF / Net Income ratio of -10.5x means the business consumes cash — it is not yet self-funding. Over the past year, free cash flow is down 313% — an improving trend.