WhichIndex

Which indexes is Fastenal in?

Fastenal is in 3 of the 57 indexes we track. Its largest weight is 0.25% in the Nasdaq-100, where it ranks #68 of 100.

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

Member of 3 indexes

Fastenal's index memberships
IndexWeight %RankIndex size
Nasdaq-1000.2568100
Nasdaq Composite0.11 (est.)813373
S&P 5000.09191502

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.

Fastenal across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Fastenal in each index
IndexRanked aboveRanked below
Nasdaq-100Monolithic Power Systems (0.26%)Diamondback Energy (0.24%)
Nasdaq CompositeDiamondback Energy (0.11%)NXP Semiconductors (0.11%)
S&P 500Digital Realty (0.09%)KKR & Co. (0.09%)

Not in

Among the indexes we track for United States.