Clean Harbors stock slipped about 3% today, yet the quarter it just put up looks more like a flex than a stumble. The environmental and industrial services specialist delivered record Q2 adjusted EBITDA of US$409 million on revenue of US$1.74b, with profitability in focus rather than just top line size. The gap between a red screen and strong earnings is what matters for you now.

The real headline is margin power. Adjusted EBITDA margin reached 23.6%, and management lifted full year adjusted EBITDA guidance by US$110 million. The market blinked. The business did not.

Like the earnings story Clean Harbors just told, you might prefer companies that can turn revenue into solid margins. If you want a broader watchlist of stocks that pair healthy profitability with balance sheet strength, check out the list of solid balance sheet and fundamentals stocks (46 results).

Q2 2026 Earnings Summary

• Revenue, Q2 2026 vs. Q2 2025: US$1,735.0m vs. US$1,549.9m (up about 12%)
• Net Income, Q2 2026 vs. Q2 2025: US$170.5m vs. US$126.9m (up about 34%)
• Basic EPS, Q2 2026 vs. Q2 2025: US$3.23 vs. US$2.37 (up about 36%)
• Net Profit Margin, Current Period vs. Prior Year: 7.0% vs. 6.5% (modest margin expansion)

Prefer clean charts instead of another wall of earnings text and raw numbers? See Clean Harbors' full financial picture, including a clear view of its valuation, in the company report for Clean Harbors.

Clean Harbors results keep the bull story intact

For a bullish view, Clean Harbors gives you a mix of growth and discipline. Revenue rose about 12% year on year and net income climbed about 34%, so earnings are rising faster than sales. Net margin edged up from 6.5% to 7.0%, and adjusted EBITDA hit a record with management lifting full year guidance by US$110m. That lines up with the idea of a resilient, regulation anchored business that can convert essential services into higher quality earnings even when the share price dips after results.

Short term stock drop leaves room for bear questions

The bear case gets some support from the share price reaction. The stock fell about 3% on the day despite the stronger quarter and higher EBITDA outlook. That suggests some concern that a rich run over the past months may have priced in a lot of good news. There is also reliance on strong performance from Safety Kleen Sustainability Solutions, which management flags as exposed to volatile base oil markets. If those conditions ease, earnings momentum could cool from these levels.

After a strong headline quarter for Clean Harbors, the key question is whether reliance on volatile segments and a high debt load point to deeper structural pressure. Review the independent risk analysis for Clean Harbors which shows 1 important warning sign

Stay Ahead With Simply Wall St

If the mix of record Q2 adjusted EBITDA and a short term 3% pullback in Clean Harbors stock has your attention, register for free with Simply Wall St and add it to a Watchlist to track the share price against fair value and watch for an entry that fits your plan. Once you own any stocks you can use the Portfolio Command Center to cut through noise and surface only the key developments that matter to your holdings. For longer term perspective, join the Community to see how other investors are thinking about opportunities and risks. This combination helps you spot hidden catalysts or warning signs early so you can stay ahead of the market.

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.