WhichIndex

Which indexes is Five9 in?

Five9 is in 2 of the 57 indexes we track. Its largest weight is 0.09% in the Russell 2000, where it ranks #371 of 1963.

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

Member of 2 indexes

Five9's index memberships
IndexWeight %RankIndex size
Russell 20000.093711963
Nasdaq Composite0.01 (est.)4613373

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.

Five9 across every index we track

Lit tiles are the indexes Five9 belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below Five9 in each index
IndexRanked aboveRanked below
Russell 2000Fb Financial (0.09%)Greif Inc Class A (0.09%)
Nasdaq CompositeFirstService Corporation (0.01%)Franklin Electric (0.01%)

Not in

Among the indexes we track for United States.