Leidos market cap LDOS

Share price times shares outstanding: what the whole company sells for, since 2010.

Leidos is worth $17.1B at the close on Oct 23, 2026, at $136.08 a share.

That is down 30% over the last year and up 21% over five years.

Its highest close in our data was $26.5B in Nov 2024.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$17.1B	$12.8B	$25.4B	−28%
2025	$23.8B	$16.6B	$25.2B	+23%
2024	$19.3B	$15B	$26.5B	+30%
2023	$14.9B	$10.8B	$15B	+4%
2022	$14.4B	$11.9B	$15.3B	+15%
2021	$12.5B	$12.2B	$15.9B	−17%
2020	$15B	$10.3B	$16.6B	+8%
2019	$13.9B	$8B	$13.9B	+77%
2018	$7.8B	$7.7B	$10.8B	−20%
2017	$9.8B	$7.5B	$9.9B	+27%
2016	$7.7B	$2.9B	$7.9B	+90%
2015	$4.1B	$2.9B	$4.3B	+24%
2014	$3.3B	$2.5B	$4.1B	−18%
2013	$4B	$2.7B	$4.2B	+53%
2012	$2.6B	$2.4B	$3.1B	−10%
2011	$2.9B	$2.7B	$4.3B	−29%
2010	$4B	$3.9B	$4.1B	n/a

Companies in Software - Infrastructure nearest Leidos' size, closest first, today.