The table below lists the Sector weightings of the FTSE 100 index. Currently (12/31/2020), the largest sector is the Consumer Staples sector that makes up 19.67% of the index. Financial companies come second with a weighting of 18.44%. The largest individual index constituent is Unilever plc whose weighting is 6.31%, followed by AstraZeneca plc (5.76%). Five of the largest constituents represent approximately 25% of the whole index.
[FTSE 100 Index] – Sector Weightings
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