Business
Ashtead Group
FTSE Russell has announced changes to the FTSE UK Index Series effective March 2, 2026, following Ashtead Group's transfer of listing category. Ashtead Group will be removed from the FTSE 100 index. Tritax Big Box REIT will be added to the FTSE 100 and removed from the FTSE 250, while Costain Group PLC will be added to the FTSE 250 and removed from the FTSE SmallCap index. Disclaimer*
About this update from Costain Group Plc
Further to the FTSE notice released on 23 February 2026 in relation to Ashtead Group (UK): Transfer of Listing Category, please note the index replacement and associated changes. All other details remain unchanged. Please see updated notice below: Ashtead Group (UK): Transfer of Listing Category - Update Changes in FTSE UK Index Series 25 February 2026 Further to the FTSE Russell notice released on 28 January 2026 and following the court sanctioning the scheme of arrangement in relation to a change in holding company and transfer of listing category for Ashtead Group (UK, constituent), please see details of affected indexes and effective dates below: Ashtead Group (UK, 0053673) will be deleted from the FTSE 100 index. Tritax Big Box REIT (UK, BG49KP9) will be added to the FTSE 100 Index and deleted from the FTSE 250 Index. Costain Group PLC (UK, B64NSP7) will be added to the FTSE 250 Index and deleted from the FTSE SmallCap Index. All changes effective from 02 March 2026. Full details of index changes are available on the FTSE Russell website. For further information please contact FTSE Russell Client Services at [email protected] or call: Australia +61 (0) 2 7228 5659 Hong Kong +852 2164 3333 Japan +81 3 6441 1430 London +44 (0) 20 7866 1810 New York +1877 503 6437 Alternatively, please visit our website at lseg.com/ftse-russell Terms of Use | Copyright © 2026 FTSE Russell