WhichIndex

Which indexes is UCB in?

UCB is in 1 of the 57 indexes we track. Its largest weight is 15.07% in the BEL 20, where it ranks #1 of 20.

Ticker
UCB (Euronext Brussels)
Country
Belgium
Sector
Health Care
Size
Large cap (market cap $10–200 billion; exact figure in the ranking)
Data as of
22 Oct 2026

Member of 1 index

UCB's index memberships
IndexWeight %RankIndex size
BEL 2015.07120

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.

UCB across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below UCB in each index
IndexRanked aboveRanked below
BEL 20none, UCB is the largestAB InBev (13.17%)

Not in

Among the indexes we track for Belgium and the euro area.