WhichIndex

Which indexes is A. O. Smith in?

A. O. Smith is in 2 of the 57 indexes we track. Its largest weight is 0.02% (estimated from market cap) in the NYSE Composite, where it ranks #552 of 1865.

Ticker
AOS (NYSE)
Country
United States
Sector
Industrials
Size
Mid cap (market cap $2–10 billion; exact figure in the ranking)
Data as of
16 Oct 2026

Member of 2 indexes

A. O. Smith's index memberships
IndexWeight %RankIndex size
NYSE Composite0.02 (est.)5521865
S&P 5000.01477502

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.

A. O. Smith across every index we track

Lit tiles are the indexes A. O. Smith belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below A. O. Smith in each index
IndexRanked aboveRanked below
NYSE CompositeZTO Express (0.03%)AES Corporation (0.02%)
S&P 500Weyerhaeuser (0.02%)Alexandria Real Estate Equities (0.01%)

Not in

Among the indexes we track for United States.