Waters Corporation stock reaches $427.10 52-week high

Waters Corporation (WAT) reached a 52-week high of $427.10 on September 17, 2026, following a 38.19% increase in stock price over the past 12 months. Trading at $426.87 at the time of reporting, the share was just 0.98% below its peak. With a market capitalization of $41.6 billion, the company’s performance reflects broader momentum in the life sciences diagnostics sector, particularly in its core instrument replacement cycle, which analysts project will extend into 2028.