WhichIndex

Which indexes is Westpac in?

Westpac is in 2 of the 57 indexes we track. Its largest weight is 4.61% in the S&P/ASX 200, where it ranks #4 of 200.

Tickers
WBC (ASX)
WBC (XNZE)
Country
Australia
Sector
Financials
Size
Large cap (market cap $10–200 billion; exact figure in the ranking)
Data as of
15 Oct 2026

Member of 2 indexes

Westpac's index memberships
IndexWeight %RankIndex size
S&P/ASX 2004.614200
S&P/NZX 50no weights in source48

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. Older source dates: S&P/NZX 50 30 Sep 2026.

Westpac across every index we track

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

Fewermore

Neighbours by weight

The members ranked just above and just below Westpac in each index
IndexRanked aboveRanked below
S&P/ASX 200National Australia Bank (4.68%)Australia & New Zealand Banking Group (4.44%)
S&P/NZX 50Australia & New Zealand Banking Group (%)none, Westpac is the smallest