WhichIndex

Which indexes is Fastly Class A in?

Fastly Class A is in 2 of the 57 indexes we track. Its largest weight is 0.14% in the Russell 2000, where it ranks #183 of 1963.

Ticker
FSLY (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

Fastly Class A's index memberships
IndexWeight %RankIndex size
Russell 20000.141831963
Nasdaq Composite0.01 (est.)4513373

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.

Fastly Class A across every index we track

Lit tiles are the indexes Fastly Class A belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below Fastly Class A in each index
IndexRanked aboveRanked below
Russell 2000Diodes (0.14%)First BanCorp (0.14%)
Nasdaq CompositeExtreme Networks (0.01%)Fervo Energy Company (0.01%)

Not in

Among the indexes we track for United States.