Leidos Holdings, Inc. (NYSE:LDOS) is one of the most undervalued AI stocks to buy now. With significant analyst and hedge fund sentiment, alongside a low forward price-to-earnings (PE) ratio, Leidos Holdings, Inc. (NYSE:LDOS) secures a spot on our list of the most undervalued AI stocks to buy now. On February 19, 2026, Leidos Holdings, Inc. (NYSE:LDOS) demonstrated its strong operational progress, announcing that its Terminal Flight Data Manager system had started running at Reagan National Airport. Markin ...