Waste Management (WM) Stock News on Dec. 24, 2025: Institutional Buys, Employee Trading Blackout, and a 2026 Dividend-and-Buyback Push
WM disclosed increased institutional ownership on Dec. 24, with Vontobel Holding and Swedbank AB reporting large Q3 stake boosts. A retirement-plan trading blackout begins today as the company changes recordkeepers. Investors continue to watch WM’s integration of Stericycle’s medical waste unit and upcoming $3 billion buyback and dividend increase planned for 2026.