Leidos Holdings, Inc. (LDOS:NYSE) closed at $136.08 on October 23, 2026, up 1.00% on the day. The stock trades 33.9% below its 52-week high of $205.77 and 37.6% above its 52-week low of $98.86. Over the past year, it lost 28.4%. Leidos Holdings, Inc. is part of the Technology sector (EDP Services).
In 252 trading sessions since October 23, 2025, LDOS closed higher on 122 days (48%). Its best day was August 4, 2026 (+10.01%) and its worst was February 11, 2026 (-11.15%). The stock moved 10% or more in a single session 2 times.
Leidos Holdings, Inc., a science and technology company, provides technology and engineering solutions in the defense, intelligence, homeland security, civil, and health markets in the United States and internationally. The company operates through National Security Solutions (NSS), Information Systems & Global Solutions (IS&GS), and Health and Infrastructure (HIS) segments. The NSS segment offers national security solutions and systems for air, land, sea, space, and cyberspace for the U.S. intelligence community, the U.S. Department of Defense (DoD), military services, the U.S. Department of Homeland Security, and government agencies of U.S. allies abroad, as well as other federal, civilian, and commercial customers in the national security industry. Its solutions offer technology, intelligence systems, command and control, data analytics, logistics, cybersecurity, and intelligence analysis and operations support services to critical missions. The IS&GS segment provides information technology (IT), management and engineering services to civil, defense, and intelligence agencies of the U.S. Government; and data analytics, systems engineering, agile software development, network-ena...
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