Water infrastructure stocks fall despite Q1 revenue beats; XYL lags peers, WTS leads growth

Water infrastructure companies posted stronger-than-expected first-quarter revenue, but shares have declined since earnings, signaling investor concern over guidance, margins and cyclical demand. The five tracked companies beat consensus revenue estimates by an average 6.8%, while their shares are down 6.7% on average as of May 14, 2026. Xylem (NYSE: XYL) reported revenue of $2.13 billion, up 2.7% from a year earlier and 0.7% above estimates. The company beat EBITDA expectations, while full-year EPS guidance matched consensus. Xylem shares are down 1.9% since reporting, trading at $112.11. Watts Water Technologies (NYSE: WTS) posted the strongest revenue growth, with sales up 21.4% to $677.3 million, beating estimates by 6.2%. Energy Recovery (NASDAQ: ERII) had the largest revenue beat, exceeding estimates by 23.6%, but shares fell 24.9% after an EBITDA miss. Mueller Water Products (NYSE: MWA) fell 6.2%, while Tennant (NYSE: TNC) rose 5%.