WhichIndex

Which indexes is Innospec Inc in?

Innospec Inc is in 2 of the 57 indexes we track. Its largest weight is 0.08% in the Russell 2000, where it ranks #435 of 1963.

Ticker
IOSP (Nasdaq)
Country
United States
Sector
Materials
Size
Mid cap (market cap $2–10 billion; exact figure in the ranking)
Data as of
15 Oct 2026

Member of 2 indexes

Innospec Inc's index memberships
IndexWeight %RankIndex size
Russell 20000.084351963
Nasdaq Composite0.00 (est.)19033373

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.

Innospec Inc across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Innospec Inc in each index
IndexRanked aboveRanked below
Russell 2000Ingevity (0.08%)Kaiser Aluminium (0.08%)
Nasdaq CompositeInnodata (0.00%)Innovage Holding Corp (0.00%)

Not in

Among the indexes we track for United States.