← Back to All US Stocks

Clean Harbors Inc. (CLH) Stock Fundamental Analysis & AI Rating 2026

CLH NYSE Hazardous Waste Management MA CIK: 0000822818
Updated This Month • Analysis: Mar 22, 2026 • SEC Data: 2025-12-31
📅 Next earnings: Apr 29, 2026 (in 13 days) • TBD ET • EPS est. $1.15 (vs $1.09 prior year) • All earnings →
Combined AI Rating
BUY
72% Confidence
AGREEMENT
BUY
72% Conf
HOLD
71% Conf

📊 CLH Key Takeaways

Revenue: $6.0B
Net Margin: 6.5%
Free Cash Flow: $441.8M
Current Ratio: 2.33x
Debt/Equity: 1.01x
EPS: $7.28
AI Rating: BUY with 72% confidence
Clean Harbors Inc. (CLH) receives a BUY rating with 72% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $6.0B, net profit margin of 6.5%, and return on equity (ROE) of 14.2%, Clean Harbors Inc. demonstrates strong fundamentals in the Market sector. Below is our complete CLH stock analysis for 2026.

Is Clean Harbors Inc. (CLH) a Good Investment?

Claude

Clean Harbors demonstrates strong operational fundamentals with robust profitability margins (11.2% operating margin) and healthy free cash flow generation of $441.8M. The company maintains solid liquidity (2.33x current ratio) and moderate leverage (1.01x debt/equity), though the exceptional 4314% revenue growth appears anomalous and warrants investigation into acquisition activity or accounting adjustments.

ChatGPT

Clean Harbors shows solid core fundamentals with double-digit operating margins, healthy free cash flow generation, and strong liquidity, which supports resilience in a capital-intensive environmental services business. However, the reported growth quality is mixed because net income was flat, EPS declined, leverage is meaningful, and several data points appear internally inconsistent, which reduces confidence in the apparent revenue surge.

Why Buy Clean Harbors Inc. Stock? CLH Key Strengths

Claude
  • + Strong operating margin of 11.2% indicates efficient core operations in hazardous waste management
  • + Substantial free cash flow generation of $441.8M provides flexibility for debt reduction and reinvestment
  • + Healthy liquidity position with 2.33x current ratio and $826.3M cash on hand
  • + Solid return metrics with 14.2% ROE and 5.1% ROA demonstrating reasonable capital efficiency
  • + Positive operating cash flow of $866.7M covers capex with significant surplus
ChatGPT
  • + Strong operating cash flow and positive free cash flow indicate good cash conversion and internal funding capacity
  • + Liquidity appears healthy, with solid cash reserves and current and quick ratios above 2x
  • + Operating profitability and mid-teens ROE suggest the business remains fundamentally productive

CLH Stock Risks: Clean Harbors Inc. Investment Risks

Claude
  • ! Extraordinarily high YoY revenue growth of 4314% is highly unusual and suggests major acquisition or accounting restatement requiring verification
  • ! Low gross margin of 3.9% indicates thin pricing power or high operational costs, limiting pricing flexibility
  • ! Significant long-term debt of $2.8B represents leverage concern despite moderate debt/equity ratio
  • ! Net margin of 6.5% is modest relative to operating margin, suggesting elevated below-the-line expenses
  • ! 30 Form 4 insider filings in 90 days may indicate volatile stock or significant insider transactions worthy of investigation
ChatGPT
  • ! Revenue growth appears unusually large relative to flat net income, raising questions about growth quality or comparability
  • ! Leverage is material, with debt roughly equal to equity, which could constrain flexibility if earnings soften
  • ! Reported data has internal inconsistencies, including gross margin versus operating margin and balance sheet relationships, which increases analytical uncertainty

Key Metrics to Watch

Claude
  • * Quarterly revenue trends to confirm sustainability of reported growth and identify acquisition contribution vs. organic growth
  • * Gross margin progression to assess cost management and pricing dynamics
  • * Free cash flow conversion rate to ensure profitability translates to cash generation
  • * Debt levels relative to EBITDA to monitor leverage sustainability
ChatGPT
  • * Free cash flow after capital expenditures
  • * Debt leverage and net income/EPS conversion from revenue growth

Clean Harbors Inc. (CLH) Financial Metrics & Key Ratios

Revenue
$6.0B
Net Income
$391.0M
EPS (Diluted)
$7.28
Free Cash Flow
$441.8M
Total Assets
$7.6B
Cash Position
$826.3M

💡 AI Analyst Insight

Strong liquidity with a 2.33x current ratio provides a solid financial cushion.

CLH Profit Margin, ROE & Profitability Analysis

Gross Margin 3.9%
Operating Margin 11.2%
Net Margin 6.5%
ROE 14.2%
ROA 5.1%
FCF Margin 7.3%

CLH vs Market Sector: How Clean Harbors Inc. Compares

How Clean Harbors Inc. compares to Market sector averages

Net Margin
CLH 6.5%
vs
Sector Avg 12.0%
CLH Sector
ROE
CLH 14.2%
vs
Sector Avg 15.0%
CLH Sector
Current Ratio
CLH 2.3x
vs
Sector Avg 1.8x
CLH Sector
Debt/Equity
CLH 1.0x
vs
Sector Avg 0.7x
CLH Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is Clean Harbors Inc. Stock Overvalued? CLH Valuation Analysis 2026

Based on fundamental analysis, Clean Harbors Inc. has mixed fundamental signals relative to the Market sector in 2026.

Return on Equity
14.2%
Sector avg: 15%
Net Profit Margin
6.5%
Sector avg: 12%
Revenue Growth
N/A
Year-over-year
Debt/Equity
1.01x
Sector avg: 0.7x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

Clean Harbors Inc. Balance Sheet: CLH Debt, Cash & Liquidity

Current Ratio
2.33x
Quick Ratio
2.00x
Debt/Equity
1.01x
Debt/Assets
35.5%
Interest Coverage
N/A
Long-term Debt
$2.8B

CLH Revenue & Earnings Growth: 5-Year Financial Trend

CLH 5-year financial data: Year 2021: Revenue $3.8B, Net Income $97.7M, EPS $1.74. Year 2022: Revenue $5.2B, Net Income $134.8M, EPS $2.42. Year 2023: Revenue $5.4B, Net Income $203.2M, EPS $3.71. Year 2024: Revenue $5.9B, Net Income $411.7M, EPS $7.56. Year 2025: Revenue $6.0B, Net Income $377.9M, EPS $6.95.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: Clean Harbors Inc.'s revenue has grown significantly by 58% over the 5-year period, indicating strong business expansion. The most recent EPS of $6.95 reflects profitable operations.

CLH Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
7.3%
Free cash flow / Revenue

CLH Quarterly Earnings & Performance

Quarterly financial performance data for Clean Harbors Inc. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $1.5B $58.7M $2.12
Q2 2025 $1.5B $58.7M $2.36
Q1 2025 $1.4B $58.7M $1.09
Q3 2024 $1.4B $69.8M $1.68
Q2 2024 $1.4B $69.8M $2.13
Q1 2024 $1.3B $69.8M $1.29
Q3 2023 $1.4B $45.3M $1.68
Q2 2023 $1.4B $45.3M $2.13

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

Clean Harbors Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$866.7M
Cash generated from operations
Stock Buybacks
$250.0M
Shares repurchased (TTM)
Capital Expenditures
$424.9M
Investment in assets
Dividends
None
No dividend program

CLH SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for Clean Harbors Inc. (CIK: 0000822818)

📋 Recent SEC Filings

Date Form Document Action
Apr 10, 2026 DEF 14A clh-20260410.htm View →
Mar 19, 2026 4 xslF345X06/form4-03192026_070304.xml View →
Mar 19, 2026 4 xslF345X06/form4-03192026_070317.xml View →
Mar 17, 2026 4 xslF345X05/form4-03172026_070354.xml View →
Mar 17, 2026 4 xslF345X05/form4-03172026_070309.xml View →

Frequently Asked Questions about CLH

What is the AI rating for CLH?

Clean Harbors Inc. (CLH) has a Combined AI Rating of BUY from Claude (BUY) and ChatGPT (HOLD) with 72% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are CLH's key strengths?

Claude: Strong operating margin of 11.2% indicates efficient core operations in hazardous waste management. Substantial free cash flow generation of $441.8M provides flexibility for debt reduction and reinvestment. ChatGPT: Strong operating cash flow and positive free cash flow indicate good cash conversion and internal funding capacity. Liquidity appears healthy, with solid cash reserves and current and quick ratios above 2x.

What are the risks of investing in CLH?

Claude: Extraordinarily high YoY revenue growth of 4314% is highly unusual and suggests major acquisition or accounting restatement requiring verification. Low gross margin of 3.9% indicates thin pricing power or high operational costs, limiting pricing flexibility. ChatGPT: Revenue growth appears unusually large relative to flat net income, raising questions about growth quality or comparability. Leverage is material, with debt roughly equal to equity, which could constrain flexibility if earnings soften.

What is CLH's revenue and growth?

Clean Harbors Inc. reported revenue of $6.0B.

Does CLH pay dividends?

Clean Harbors Inc. does not currently pay dividends.

Where can I find CLH SEC filings?

Official SEC filings for Clean Harbors Inc. (CIK: 0000822818) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is CLH's EPS?

Clean Harbors Inc. has a diluted EPS of $7.28.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is CLH a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, Clean Harbors Inc. has a BUY rating with 72% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is CLH stock overvalued or undervalued?

Valuation metrics for CLH: ROE of 14.2% (sector avg: 15%), net margin of 6.5% (sector avg: 12%). Compare these metrics with sector averages to assess valuation.

Should I buy CLH stock in 2026?

Our dual AI analysis gives Clean Harbors Inc. a combined BUY rating for 2026. Revenue is data pending, with profitability at or below sector average. Always conduct your own research.

What is CLH's free cash flow?

Clean Harbors Inc.'s operating cash flow is $866.7M, with capital expenditures of $424.9M. FCF margin is 7.3%.

How does CLH compare to other Market stocks?

Vs Default sector averages: Net margin 6.5% (avg: 12%), ROE 14.2% (avg: 15%), current ratio 2.33 (avg: 1.8).

Top Rated Stocks
NSSC 92% MLI 92% MELI 92% MDXG 92% MANH 92% INVA 92% GGG 92% GCT 92% FTNT 92% FSLR 92%
Browse: Buy Stocks
Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 22, 2026 | Data as of: 2025-12-31 | Powered by Claude AI