WhichIndex

Which indexes is Automatic Data Processing in?

Automatic Data Processing is in 3 of the 57 indexes we track. Its largest weight is 0.54% in the Nasdaq-100, where it ranks #40 of 100.

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

Member of 3 indexes

Automatic Data Processing's index memberships
IndexWeight %RankIndex size
Nasdaq-1000.5440100
Nasdaq Composite0.24 (est.)453376
S&P 5000.17101501

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.

Automatic Data Processing across every index we track

Lit tiles are the indexes Automatic Data Processing belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below Automatic Data Processing in each index
IndexRanked aboveRanked below
Nasdaq-100Western Digital (0.56%)Booking Holdings (0.53%)
Nasdaq CompositeFortinet (0.25%)PDD Holdings (0.23%)
S&P 500Prologis (0.18%)Lockheed Martin (0.17%)

Not in

Among the indexes we track for United States.