WhichIndex

Which indexes is Spirax Group in?

Spirax Group is in 1 of the 57 indexes we track. Its largest weight is 0.21% in the FTSE 100, where it ranks #71 of 100.

Ticker
SPX (London Stock Exchange)
Country
United Kingdom
Sector
Industrials
Size
Mid cap (market cap $2–10 billion; exact figure in the ranking)
Data as of
16 Oct 2026

Member of 1 index

Spirax Group's index memberships
IndexWeight %RankIndex size
FTSE 1000.2171100

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.

Spirax Group across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Spirax Group in each index
IndexRanked aboveRanked below
FTSE 100Kingfisher plc (0.21%)Associated British Foods (0.20%)