CLH Gains 13.3% in 3 Months as Earnings and Growth Drivers Strengthen
Clean Harbors (CLH) shares rose 13.3% over three months as Q2 results and 2026 guidance improved. Q2 EPS rose 36.4% to $3.22 and revenue increased 12% to $1.74B. Adjusted EBITDA rose 21.6% to $409M. Management raised 2026 adjusted EBITDA guidance midpoint to $1.38B and adjusted FCF to $550M.
How this was made
The 30-second read
Why it matters
Q2 results showed broad-based growth (EPS +36.4% YoY, revenue +12%) and margin expansion (adjusted EBITDA margin +190 bps). Management then increased 2026 adjusted EBITDA guidance midpoint by $110 million to $1.38 billion and adjusted free cash flow midpoint by $30 million to $550 million, with a Q3 growth outlook of 24% to 28% YoY adjusted EBITDA. The disposal network metrics (91% incinerator utilization, landfill volumes +7%) and a 10-year disposal contract starting Q4 2026 add longer-duration visibility, but the stock’s premium valuation increases sensitivity to execution.
Market read
Guidance increases and improved profitability are actionable for traders managing exposure to environmental services, but valuation premium suggests higher downside if results miss.
What to watch
The article highlights a 10-year disposal contract valued at an estimated $600 million, but does not quantify near-term revenue contribution; traders may be over-weighting longer-duration capacity ramp versus near-term margin sustainability.
Background
The article frames Clean Harbors’ 3-month share advance as driven by earnings momentum, disposal-network demand, and a raised 2026 outlook.
Ticker impact
Clean Harbors reported Q2 EPS and revenue beats and raised 2026 adjusted EBITDA and free cash flow guidance, supporting the stock’s recent run.
Near-term bias remains upward while traders price in the higher 2026 EBITDA and FCF midpoint; upside may be capped if margins or contract ramp underperform given the premium multiple.
The text provides specific Q2 results, utilization/volume metrics, and guidance midpoint increases, which are direct fundamentals for repricing. However, it does not provide the actual share price reaction on the day or any new contract award terms beyond an estimated 10-year contract value and start timing, limiting certainty on magnitude.
Market effects
Improved hazardous waste disposal and PFAS remediation demand signals strength for environmental services peers, though the article does not provide peer-specific catalysts.
Primarily North American environmental services demand narrative (remediation, PFAS, reshoring) could support sentiment across the region’s waste-management complex.
Limited direct global linkage; PFAS and remediation demand is referenced but no international regulatory or contract details are provided.
Counterpoint
The premium EV/EBITDA multiple (15.8x vs 11.7x five-year median) means even good execution may not justify further rerating if growth normalizes or contract ramp is slower than expected.
Key entities
- companyClean Harbors, Inc.
Subject of the article; reported Q2 beats and raised 2026 adjusted EBITDA and free cash flow guidance, with disposal-network demand and utilization metrics.
