Why Is Clean Harbors (CLH) Up 3.3% Since Last Earnings Report?

Clean Harbors (CLH) reported mixed second-quarter 2025 results, with earnings of $2.36 per share beating consensus estimates by 1.3% despite a 4.1% year-over-year decrease, while total revenues of $1.5 billion missed expectations marginally. The Environmental Services segment saw revenue growth of 2.5%, driven by acquisitions and utilization, but the Safety-Kleen Sustainability Solutions segment declined 13.9% due to lower base oil prices. Adjusted EBITDA of $336.2 million surpassed estimates, leading the company to update its 2025 adjusted EBITDA guidance to $1.16-$1.20 billion. CLH shares have gained 3.3% since the report, outperforming the S&P 500, with analyst estimates trending upward, resulting in a Zacks Rank #3 (Hold).

Analysis

Clean Harbors (CLH) reported mixed second-quarter 2025 results, with a notable divergence in segmental performance. While total revenues of $1.5 billion missed consensus by 2% and earnings per share of $2.36 declined 4.1% year-over-year, the company exceeded EPS estimates by 1.3%. The core Environmental Services segment demonstrated resilience, with revenues growing 2.5% to $1.3 billion, fueled by the HEPACO acquisition, pricing power, and high incineration utilization. In contrast, the Safety-Kleen Sustainability Solutions segment experienced significant headwinds, with revenues falling 13.9% due to weak demand and lower base oil prices. Despite the top-line weakness, overall profitability improved, as adjusted EBITDA grew 2.6% to $336.2 million and the adjusted EBITDA margin expanded by 60 basis points to 21.7%, indicating strong operational control. The company's updated 2025 adjusted EBITDA guidance of $1.16-$1.20 billion represents a slight tightening of the previous range, suggesting stable management confidence. The market's positive reaction, with the stock gaining 3.3% and outperforming the S&P 500 post-earnings, suggests investors are focused on the core business strength and margin expansion over the cyclical weakness in the smaller Safety-Kleen division.

Key Decisions for Investors

• Investors should monitor the performance divergence between the robust Environmental Services segment and the cyclically weak Safety-Kleen segment, as continued strength in the former is critical to offsetting commodity-driven headwinds.
• The combination of upward analyst estimate revisions, strong margin performance, and recent stock outperformance relative to the S&P 500 and peer Republic Services supports a neutral-to-positive stance, aligning with the Zacks 'Hold' rating.
• Pay close attention to upcoming reports for improvement in adjusted free cash flow, as the company reported a utilization of $133.2 million this quarter despite generating $208 million in cash from operations.
• The stability of the full-year adjusted EBITDA guidance provides a valuation anchor, but any deviation in future quarters could signal a shift in underlying market conditions for waste services and base oil prices.