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Reston, Virginia-based Leidos Holdings, Inc. (LDOS) provides services and solutions in the defense, intelligence, engineering, civil, and health markets. With a market cap of $21.9 billion, the company provides scientific, engineering, systems integration, and technical services and solutions.
Shares of this global science and technology leader have outperformed the broader market over the past year. LDOS has gained 25.3% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 12.9%. However, in 2026, LDOS stock is down 5%, compared to the SPX’s marginal fall on a YTD basis.