Clean Harbors, Inc. (CLH) AI Stock Analysis

Clean Harbors, Inc. is a provider of environmental and industrial services across North America, operating through two segments: Environmental Services and Safety-Kleen Sustainability Solutions. Environmental Services collects, transports, treats, and disposes of hazardous and non-hazardous waste via resource recovery, physical treatment, fuel blending, incineration, landfill disposal, and wastewater treatment. It also provides CleanPack services for laboratory and household hazardous waste packaging, along with industrial maintenance services. Safety-Kleen Sustainability Solutions supplies parts washers, cleaning products, hazardous waste pickup, and vacuum services to handle oily water, sludge, and other fluids for metal fabricators, automotive maintenance facilities, and manufacturers.

Clean Harbors expanded annual revenue from $3.81B in FY2021 to $6.03B in FY2025, reflecting a 5-year revenue CAGR of 13.9%. Annual revenue growth moderated to 2.4% in FY2025 as gross margin contracted to 29.5% and net margin slipped to 6.5%, yielding net income of $391.0M and EPS of $7.28. Momentum accelerated in the latest quarter ending June 30, 2026, where quarterly revenue grew 11.9% year-over-year and quarterly earnings grew 36.4% year-over-year. For the trailing twelve months, revenue reached $6.24B, generating an operating margin of 15.5% and diluted EPS of $8.25.

As of June 30, 2026, Clean Harbors held $516.7M in cash and short-term investments against $3.03B in total debt, resulting in net debt of $2.52B. Shareholders' equity was $2.93B, yielding a debt-to-equity ratio of 1.04 and a current ratio of 2.13. In FY2025, operating cash flow stood at $866.7M, funding $428.6M in capital expenditures and leaving free cash flow of $438.2M. The company also deployed $250.0M toward share buybacks in FY2025, contributing to a 5-year share count change of -3.0%.

At $320.06 per share, Clean Harbors carries a market cap of $16.90B and an enterprise value of $19.05B. The stock trades at a trailing P/E of 38.8x and a forward P/E of 34.5x, above the median of its US-listed Industrials peers of 24.8x and 17.2x, respectively. Its EV/EBITDA stands at 15.6x compared to the peer median of 13.9x, while its PEG ratio is 0.27. Over the past year, CLH gained 37.9%, outperforming the S&P 500 (SPY) return of 16.8%, and delivered a 5-year return of 196.6% versus 83.0% for the index.

Consensus ratings include 11 Strong Buys, 2 Buys, and 4 Holds, with no Sell recommendations. The mean price target of $361.00 implies 12.8% upside from the last close of $320.06. For the fiscal year ending December 31, 2026, analysts estimate EPS of $9.97 on revenue of $6.59B, followed by FY2027 estimates of $10.16 in EPS and $6.98B in revenue. Clean Harbors has topped earnings estimates in 3 of the last 4 quarters, with its next earnings release scheduled for October 28, 2026.

This page is an AI-written research summary of Clean Harbors, Inc. (CLH). The text was generated on October 30, 2026 from Quotelinks data as of October 16, 2026 (company profile, annual results, latest balance sheet, valuation, price performance and analyst estimates). An automatic check rejects any draft that contains a figure not found in that data. It is not investment advice; verify figures on the linked tabs before making decisions.

Related: CLH income statement, CLH balance sheet, CLH key metrics, CLH analyst forecast, CLH chart. See the CLH stock overview for the latest quote and news.