Waste Management, Inc. (NYSE: WM) currently carries a market capitalization of roughly $86 to $92 billion, depending on the exact trading date, according to sources like MacroTrends and StockAnalysis. This makes it one of the largest publicly traded environmental services companies in the world.
WM’s valuation reflects its dominant position in waste collection, recycling, and disposal across North America, plus growing revenue from renewable energy and its 2025 acquisition of Stericycle’s medical waste business.
Market cap fluctuates daily with share price, but WM has ranked among the world’s 250 to 300 most valuable public companies through mid-2026.