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Primary reporting period: 2025-12-31 · Research updated Oct 12, 2026. A research update is not a new financial filing.
Who they are
Montauk Renewables, Inc. is a renewable energy enterprise specializing in the extraction and refinement of biogas sourced from landfills and other non-fossil fuel origins. Its operations are divided into two primary segments: Renewable Natural Gas and Renewable Electricity Generation. The company develops, owns, and operates renewable natural gas (RNG) projects.
How they make money
Montauk Renewables captures biogas from landfills and other non-fossil fuel sources, converting it into Renewable Natural Gas (RNG) or electricity. The company generates revenue by selling these products along with associated environmental attributes, such as Renewable Identification Numbers (RINs) and Renewable Energy Credits (RECs), to fuel blenders and utility providers.
Products & services
Renewable Natural Gas (RNG) and Renewable Electricity generated from landfill methane and other biogas sources.
Brands & revenue mix
No separate brand or brand-level revenue disclosure was confirmed in the reviewed sources. This does not mean the company has no brands.
Product / operating segments
No reconciled product or operating-segment revenue breakdown is available for the current research period. Company-wide revenue remains separate from segment disclosure.
Geographic revenue
No reconciled geographic revenue breakdown was confirmed for the current research period.
The company reports significant customer concentration, with a limited number of customers accounting for a substantial portion of its revenues as of the fiscal year ended December 31, 2025.
Suppliers, materials & equipment
Landfill site hosts — Landfill owners who provide the biogas supply rights in exchange for royalty payments based on realized revenues or production volumes.Source
Strengths
Long-term fuel supply rights and fixed-price contracts with escalators for electricity products.Source
These are saved observations about business performance, not predictions. Review the company filings alongside the interpretation below. Latest stored financial period end: 2026-06-30.
Total debt increased 105.4% versus the same quarter last year.
Compare the added borrowing with available cash, cash generation and maturities. A percentage increase from a small starting balance can look large without measuring the full debt burden.
Wall Street Score
Overall investment score · Quality, value, risk and opportunity
19
Poor
PoorElite
View category scores →
Company Quality
How good is the actual business—regardless of today’s stock price?
34
Poor
Financial Strength
36
Business Quality / Moat
25
Management
19
Growth Quality
58
Risk / Durability
47
Weak Company · Expensive Stock
Uses financial strength, moat, management, growth quality and durability. It excludes share price, P/E, market cap, intrinsic value and margin of safety.
Opportunity
Opportunity Score · How does the current price compare with estimated value?
18
Avoid
Based on current valuation, company quality, recent trends, and available market signals.
View score details →
Model Outlook
12-month model · What does the model think happens next?
19/100
Building Historical Record
Model Score 19/100 — estimates relative performance potential, distinct from the overall Wall Street Score and the separate Company Quality score.
Probability unavailable — the model has not produced a calibrated probability yet.
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WSS View
The quick read
The overall Wall Street Score is low across its combined quality, valuation and risk inputs. This can reflect an expensive share price, business weaknesses, or both; check Company Quality and the category breakdown before drawing a conclusion.
At today’s price, the WSS valuation framework currently reads as less attractive based on the available valuation and market data.
The model outlook is currently cautious.
What we like
•Insider activity signal is favorable
•Recent buyback activity is present
What to watch
•Elevated debt risk
•Valuation is a weaker part of the current profile
•Revenue fundamentals are weak
•Debt / balance-sheet profile needs attention
Company-specific research
Questions worth answering for MNTK
Research inputs 100% complete
These questions are generated from this company's current financial and score data so the page adds context instead of treating the headline score as a stand-alone conclusion.
•Can MNTK maintain its current revenue growth rate and improve the amount of that revenue that turns into earnings and cash?
•How long can MNTK fund negative free cash flow using its current cash position before it may need more debt or new shares?
•Is MNTK's debt load manageable relative to cash generation, interest costs and upcoming maturities?
•What future growth or profitability would be needed to justify MNTK's current valuation?
•What does the current fundamental change risk warning mean for the reliability or interpretation of MNTK's score?
Two different market-behavior signals. Momentum measures direction and trend strength. Volatility measures how large and unstable the price moves are, regardless of direction.
A high momentum score means price has been trending upward with confirming short- and medium-term strength. A low score means downward or weakening momentum.
Volatility = How violently is it moving?
A high volatility score means larger, less stable price swings. It can happen while a stock is rising or falling, so high volatility is not automatically bullish or bearish.
Important: the volatility score above is based on realized price volatility. Implied volatility (IV) comes from options prices and represents the market's expected future movement. Wall Street Score will keep IV separate and will only display it when a verified options-chain feed is available.
Notices for MNTK
Detected from reported data — verify before acting.
Historical repurchase activity
Reported cash flows or share-count measures indicate past repurchase activity. This does not verify an active buyback authorization or future purchases.
Elevated debt risk
Interest coverage is below 2x • Free cash flow is negative • Cash covers less than 20% of total debt
Community Sentiment
0 active · 0 total calls
0% Bullish (0) 0% Bearish (0)
No personal call yet on MNTK.
Potential upside factors
+Growth opportunities may come from revenue expansion, margin improvement, new products, market-share gains, and stronger cash flow.
+Long-term fuel supply rights and fixed-price contracts with escalators for electricity products.
Potential downside factors
−Debt risk (elevated): Interest coverage is below 2x.
−Free cash flow is negative.
−Cash covers less than 20% of total debt.
−Significant customer concentration risk.
These research factors come from saved company research and financial data, not community votes. They are starting points to verify against filings, not buy or sell recommendations.
Create a free account to make a call.
Scores
Click any score for full breakdown
Wall Street Score
Very Weak19/ 100
Weak (0–50)Fair (51–71)Strong (72+)
Debt
Poor
37
Debt Cost3.1%
Debt Reduction YoY-119.2%
Debt / Equity0.52x
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Revenue
Poor
15
Revenue YoY7.2%
Revenue CAGR0.4%
Net Margin4.2%
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Asset
Fair
67
Asset Growth YoY24.8%
Liquidation/Share$1.85
Net Assets/MCap0.69x
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Capital
Poor
8
Earnings Yield1.7%
Buyback Yield0.1%
Debt Cost3.1%
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Management
Poor
19
ROIC1.0%
ROE3.0%
ROA1.7%
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Moat
Poor
25
EPS Growth-49.1%
FCF/Share Growth—
Rev/Share Growth3.2%
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Valuation
Poor
0
Intrinsic Value$0.47
Value Reference$0.28
MOS-333.2%
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Buffett
Poor
29
Revenue15
Moat25
Valuation0
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MOS
Poor
0
MOS %-333.2%
Value Reference$0.28
Deep Discount Reference$0.19
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Financial
Poor
10
Interest Coverage1.0x
ROIC1.0%
FCF Yield-19.0%
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Master
Poor
13
Financial10
Valuation0
Debt37
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Resilience
Poor
25
Survival Years0.3 yrs
Current Ratio1.11x
FCF Margin-48.9%
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Score Changes
3 historical score records available
Previous Score
20
Oct 1, 2026
Change
-1.0
points
Current Score
19
Oct 5, 2026
Category Changes
Revenue-1.0
Debt0
Assets-3.7
Capital-2.0
Management0
Moat0
Valuation-4.4
Buffett-1.2
MNTK decreased 1 points because Asset declined by 3.7 points, Capital declined by 2 points, Valuation declined by 4.4 points.
Negative Contributors
− Asset declined by 3.7 points
− Capital declined by 2 points
− Valuation declined by 4.4 points
Projected Score
Projected Score
15
Projected Change
-4.6 points
Preliminary comparable-period financial changes suggest decline of approximately 4.6 points. This is a projected estimate, not the official WallStreetScore.
Monetary values in USD. Share counts in raw units.
Income StatementBalance SheetCash Flow
AnnualQuarterlyTTM + Annual
All rows
Free includes 3 annual periods plus available TTM; Premium includes up to 10 annual periods. History depends on available company filings. Swipe the table horizontally to see older periods. A dash means unavailable, not zero.
Line Item
TTM
2025
2024
2023
2022
2021
2020
2019
2018
Revenue
$189.1M
$176.4M
$175.7M
$174.9M
····
····
····
····
····
Cost of Revenue
$123.5M
$107.6M
$98.2M
$94.6M
····
····
····
····
····
Gross Profit
$65.6M
$68.8M
$77.6M
$80.3M
····
····
····
····
····
Research & Development
$0.00
$0.00
$0.00
$0.00
····
····
····
····
····
SG&A Expenses
$29.6M
$31.7M
$36.3M
$34.4M
····
····
····
····
····
Operating Expenses
$63.3M
$64.7M
$61.4M
$56.6M
····
····
····
····
····
EBITDA
$38.1M
$32.3M
$41.0M
$45.1M
····
····
····
····
····
Operating Income
$2.3M
$4.1M
$16.1M
$23.6M
····
····
····
····
····
Interest Expense
$5.1M
$4.3M
$5.3M
$5.8M
····
····
····
····
····
Income Before Tax
$7.5M
-$2.5M
$12.2M
$18.4M
····
····
····
····
····
Income Tax Expense
-$412K
-$4.2M
$2.4M
$3.4M
····
····
····
····
····
Net Income
$7.9M
$1.7M
$9.7M
$14.9M
····
····
····
····
····
Basic EPS
$0.06
$0.01
$0.07
$0.11
····
····
····
····
····
Basic Shares
143M
143M
142M
142M
····
····
····
····
····
Diluted Shares
144M
143M
142M
142M
····
····
····
····
····
Upgrade to Premium for up to 10 annual periods, where available.
Debt and cash show percentage changes versus the comparison period; margin shows the change in percentage points (pp). These are company-wide changes, not per-share amounts.
Financial Changes Since Prior Period
What Improved
Margins expanded
What Weakened
Cash position declined
Debt increased
Potential Score Impact
Positive indicators included revenue growth, net income margin. Pressure indicators included EPS growth, cash levels, debt levels. These factors may support or pressure the Revenue, Management, Financial, and Debt categories; this summary does not claim that the stored scores changed.
Stored Earnings Analysis
Revenue increased 19.7%. EPS declined 104.2%. Cash declined 45.9%. Total debt increased 105.4%. Net income margin improved by 12.6 percentage points.
Earnings-Call Transcript
Earnings-call transcript analysis is not currently available.
These results may influence future scores when the next evaluation is completed.
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Government disclosed trading activity is available on the Smart Money directory. Filings may be delayed and may not represent complete current holdings.
Dividend HistoryShare
Dividend History
Dividend data is not available yet. Missing data does not mean this company pays no dividend.
Predictions & Historical PerformanceShare
Conservative Projected Values
3 Years
$———.——
Premium
5 Years
$———.——
Premium
10 Years
$———.——
Premium
Conservative Projection Rate
——%
Premium
Conservative Projected Values — price projections derived from actual 10-year adjusted historical returns, conservatively adjusted and capped at 8% annually. These are distinct from the Outperformance Model Score and WallStreetScore.
Conservative Projected Values
Premium unlocks the 3-year, 5-year, and 10-year conservative projected values with full calculation breakdowns based on actual historical returns.
Premium includes stored forecasts and any available evaluated results. Completed results, win rates and calibrated probabilities are shown only when supported records exist; access does not create historical outcomes.