WhichIndex

Which indexes is Informa in?

Informa is in 1 of the 57 indexes we track. Its largest weight is 0.49% in the FTSE 100, where it ranks #41 of 100.

Ticker
INF (London Stock Exchange)
Country
United Kingdom
Sector
Communication Services
Size
Large cap (market cap $10–200 billion; exact figure in the ranking)
Data as of
16 Oct 2026

Member of 1 index

Informa's index memberships
IndexWeight %RankIndex size
FTSE 1000.4941100

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.

Informa across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Informa in each index
IndexRanked aboveRanked below
FTSE 100Segro (0.50%)BT Group (0.43%)