FTSE turns 40 - these are the stocks that have stood the test of time

The FTSE has turned 40 today - we look at the stocks that still form part of the index and how it has changed

cupcake with the words forty as candles
(Image credit: Getty Images)

The FTSE 100 has hit its 40th birthday milestone and has delivered many happy returns for investors during its lifetime.

The UK’s premier stock market index celebrates turning 40 today ( 3 January 3), with a quarter of its original constituents still making up the blue-chip index.

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Old nameNew nameHeader Cell - Column 2
BAT IndustriesBritish American TobaccoFinancial services business sold, and BAT spun out (1998)
British AerospaceBAE SystemsCreated by merger with defence arm of GEC, which then became Marconi (1999)
British PetroleumBPRow 2 - Cell 2
Commercial UnionAvivaMerged with General Accident (1988); Merged with Norwich Union to create CGU (2000); renamed 2009
GlaxoGSKResult of Glaxo's merger with Wellcome (1995) and also SmithKlineBeecham (2000)
ImperialImperial BrandsAcquired by Hanson (1985), Imperial Tobacco spun out (1996). Renamed Imperial Brands (2016).
Prudentia AssurancePrudential / M&GSpun off M&G (2019) and Jackson Financial (2021)
Reckitt & ColmanReckitt BenckiserCreated by merger with Benckiser (1999)
Reed InternationalRELXMerged with Elsevier (1992) to create Reed Elsevier. Renamed RELX in 2015.
Rio Tinto-ZincRio TintoRow 9 - Cell 2
Royal Bank of ScotlandNatWestRenamed NatWest Group (2020)
Shell Transport & TradingShellMerger between legally separate Shell and Royal Dutch entities (2005). Name changed to Shell and dual structure scrapped in 2021.
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Acquired, part of FTSE 100 firmNew ownerHeader Cell - Column 2
Allied LyonsDiageoMerged with Pedro Domecq (1994). Acquired and broken up by Pernod Ricard, Fortune and Diageo
BeechamGSKNow part of GSK
British Electric TractionRentokil InitialAcquired by Rentokil (1996) and now part of Rentokil Initial (RTO)
BritoilBPAcquired by BP (1988)
DistillersDiageoNow part of Diageo
General AccidentAvivaPart of Aviva
Great Universal StoresExperian, SainsburyGUS broke itself up by demerging Experian and Home Retail in 2006. Home Retail (Argos, Homebase) was acquired by Sainsbury in 2016 for £1.4 billion. Sainsbury sold Homebase to Wesfarmers for £340 million and kept Argos.
Guest, Keen & NettlefoldsMelrose Industries, DowlaisAcquired by Melrose Industries (2018), which then spun off parts of the GKN business as Dowlais in 2023
LadbrokesEntainMerged with Coral (2016). Acquired by GVC (2018), now known as Entain and a FTSE 100 firm.
Midland BankHSBCNow part of HSBC
National Westminster BankNatWest GroupNow part of NatWest, having been acquired by Royal Bank of Scotland, which became RBS and was then renamed (2020)
PlesseyBAE SystemsAcquired by GEC and Siemens (1989) and then merged to form BAE Systems (1999)
Wimpey (George)Taylor WimpeyNow part of Taylor Wimpey
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FTSE 100 founders, 3 January 1984FTSE 100, 30 September 2023
Allied Lyons3i
Associated British FoodsAdmiral Group
Associated DairiesAnglo American
BICCAntofagasta
BOCAshtead
BPB IndustriesAssociated British Foods
BTRAstraZeneca
BarclaysAuto Trader
Barratt DevelopmentAviva
BassB&M European Value Retail
BeechamBAE Systems
BerisfordBarclays
Blue CircleBarratt Developments
BootsBeazley
British AerospaceBerkeley
British & Commonwealth ShippingBP
British Electric TractionBritish American Tobacco
British Home StoresBT
British PetroleumBunzl
BritoilBurberry
BowaterCentrica
BurtonCoca-Cola HBC
Cable & WirelessCompass
Cadbury SchweppesConvaTec
Charterhouse J. RothschildCroda
Commercial UnionDCC
Consolidated Gold FieldsDechra Pharmaceuticals
CourtauldsDiageo
DalgetyDiploma
DistillersEndeavour Mining
Edinburgh Investment TrustEntain
English China ClaysExperian
Exco InternationalF & C Investment Trust
FerrantiFlutter Entertainment
FisonsFrasers
General AccidentFresnillo
General ElectricGlencore
GlaxoGSK
Globe Investment TrustHaleon
Grand MetropolitanHalma
Great Universal StoresHargreaves Lansdown
Guardian Royal ExchangeHikma Pharmaceuticals
Guest, Keen & NettlefoldsHowden Joinery
Hambro LifeHSBC
HammersonIMI
Hanson TrustImperial Brands
Harrisons & CrosfieldInforma
Hawker SiddeleyInterContinental Hotels
House of FraserInternational Cons. Airlines
ICIIntertek
Imperial Continental GasJD Sports Fashion
ImperialKingfisher
Johnson MattheyLand Securities
LadbrokesLegal and General
Land SecuritiesLloyds
Legal & GeneralLondon Stock Exchange
Lloyds BankM & G
MEPCMarks & Spencer
MFI FurnitureMelrose Industries
Magnet & SouthernsMondi
Marks & SpencerNational Grid
Midland BankNatWest Group
National Westminster BankNext
Northern FoodsOcado
PearsonPearson
Peninsular & Oriental SteamPershing Square
PilkingtonPhoenix Group
PlesseyPrudential
Prudential AssuranceReckitt Benckiser
RMCRELX
RacalRentokil Initial
RankRightmove
Reckitt & ColmanRio Tinto
RedlandRolls Royce
ReedRS Group
Rio Tinto-ZincSage
Rowntree MackintoshSainsbury
Royal Bank of ScotlandSchroders
Royal InsuranceScottish Mortgage Inv. Trust
SainsburySEGRO
Scottish & NewcastleSevern Trent
SearsShell
SedgwickSmith & Nephew
Shell Transport & TradingSmith DS
Smith & NephewSmiths Group
Standard CharteredSmurfit Kappa
Standard Telephone & CablesSpirax-Sarco Engineering
Sun Alliance & London InsuranceSSE
Sun Life AssuranceSt. James's Place
TarmacStandard Chartered
TescoTaylor Wimpey
Thorn EMITesco
Trafalgar HouseUnilever
Trusthouse ForteUnite
UltramarUnited Utilities
UnileverVodafone
United BiscuitsWeir Group
WhitbreadWhitbread
Wimpey (George)WPP
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Marc Shoffman
Contributing editor

Marc Shoffman is an award-winning freelance journalist specialising in business, personal finance and property. His work has appeared in print and online publications ranging from FT Business to The Times, Mail on Sunday and the i newspaper. He also co-presents the In For A Penny financial planning podcast.