WhichIndex

Which indexes is B3 in?

B3 is in 1 of the 57 indexes we track. Its largest weight is 3.87% in the Ibovespa, where it ranks #7 of 74.

Ticker
B3SA3 (B3)
Country
Brazil
Size
Large cap (market cap $10–200 billion; exact figure in the ranking)
Data as of
16 Oct 2026

Member of 1 index

B3's index memberships
IndexWeight %RankIndex size
Ibovespa3.87774

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.

B3 across every index we track

Lit tiles are the indexes B3 belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below B3 in each index
IndexRanked aboveRanked below
IbovespaSabesp (3.93%)Itausa (3.25%)