William Blair Maintains Outperform on AAON, Inc. (AAON) March 2026

William Blair maintained an Outperform rating on AAON, Inc. (AAON) on March 02, 2026. This AAON analyst rating highlights very healthy sales and backlog, while noting a gross margin shortfall. William Blair left the rating unchanged despite recent stock weakness of -6.57% (-$7.37). Investors must weigh strong top-line momentum against margin risk and management guidance from the Q4 2025 call. We examine the rating action, implications for shareholders, and how this ties to AAON fundamentals and market moves.