The table below lists the GICS sector weightings of the FTSE 100 index. Currently (12/31/2019), the largest sector is the Financials sector that makes up 20.25% of the index. Consumer Staples companies come second with a weighting of 15.77%. The largest individual index constituent is HSBC Holdings whose weight is 6.3%, followed by AstraZeneca plc (5.3%). Five of the largest consituents comprise more than 25% of the index.
[FTSE 100 Index] – GICS Sector Weightings
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