Clean Harbors (CLH) Shares Outstanding (2009 - 2026)

Clean Harbors has disclosed Shares Outstanding across 18 years of filings, most recently posting $52.8 million for Q1 2026.

• Shares Outstanding for Q1 2026 came in at $52.8 million, down 1.5% year-over-year; the trailing twelve-month figure through Mar 2026 was $52.8 million (down 1.5% YoY), and the FY2025 annual result was $52.9 million, down 1.79% from the prior year.
• Shares Outstanding came in at $52.8 million for Q1 2026 at Clean Harbors, roughly flat from $52.9 million in the prior quarter.
• In the past five years, Shares Outstanding ranged from a high of $54.4 million in Q1 2022 to a low of $52.8 million in Q1 2026.
• The 5-year median for Shares Outstanding is $53.9 million (2023), against an average of $53.8 million.
• Across the five-year window, Shares Outstanding gained 0.06% in 2023 and decreased 1.79% in 2025, its largest moves.
• Clean Harbors' Shares Outstanding stood at $54.1 million in 2022, then decreased by 0.25% to $53.9 million in 2023, then dropped by 0.18% to $53.8 million in 2024, then decreased by 1.79% to $52.9 million in 2025, then declined by 0.07% to $52.8 million in 2026.
• The last three Shares Outstanding figures came in at $52.8 million (Q1 2026), $52.9 million (Q4 2025), and $53.4 million (Q3 2025), per Business Quant data.