WhichIndex

Which indexes is London Stock Exchange Group in?

London Stock Exchange Group is in 1 of the 57 indexes we track. Its largest weight is 1.62% in the FTSE 100, where it ranks #18 of 100.

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

Member of 1 index

London Stock Exchange Group's index memberships
IndexWeight %RankIndex size
FTSE 1001.6218100

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.

London Stock Exchange Group across every index we track

Lit tiles are the indexes London Stock Exchange Group belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below London Stock Exchange Group in each index
IndexRanked aboveRanked below
FTSE 100Anglo American plc (1.83%)Compass Group (1.60%)