WhichIndex

Which indexes is Leidos in?

Leidos is in 2 of the 57 indexes we track. Its largest weight is 0.03% (estimated from market cap) in the NYSE Composite, where it ranks #509 of 1865.

Ticker
LDOS (NYSE)
Country
United States
Sector
Industrials
Size
Large cap (market cap $10–200 billion; exact figure in the ranking)
Data as of
16 Oct 2026

Member of 2 indexes

Leidos's index memberships
IndexWeight %RankIndex size
NYSE Composite0.03 (est.)5091865
S&P 5000.02456502

Source: each index's own source, listed on its page. How we source this. Weights are estimates where marked. This page is refreshed when a membership changes or a weight moves by more than 10%; each index page has the daily figures.

Leidos across every index we track

Lit tiles are the indexes Leidos belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below Leidos in each index
IndexRanked aboveRanked below
NYSE CompositeLATAM Airlines Group S.A. (0.03%)Lennox International (0.03%)
S&P 500Kimco Realty (0.02%)Lennar (0.02%)

Not in

Among the indexes we track for United States.