The FTSE AIM UK 50 Index index was introduced on 16 May 2005, and is a market capitalisation weighted stock market index incorporating the largest 50 UK companies by capitalisation which have their primary listing on the Alternative Investment Market.
The index is reviewed quarterly, and the constituent companies may change based on market capitalisation data as at the end of February, May, August and November. The index is maintained by FTSE Russell, a subsidiary of the London Stock Exchange Group.
Current constituents of the AIM UK 50 index
ASOS
Abcam
Advanced Computer Software Group
Advanced Medical Solutions Grp
Alternative Networks
Arbuthnot Banking Group
Amerisur Resources
Archipelago Resources
Avanti Communications Group
Blinkx
BowLeven
Brooks Macdonald Group
Clinigen Group
Daisy Group
Dart Group
EMIS Group
Eland Oil & Gas
Faroe Petroleum
Gemfields
Globo
Hargreaves Services
IQE
IDOX
IGAS Energy
Iofina
Iomart Group plc
James Halstead
London Mining
M&C Saatchi
M.P. Evans Group
Majestic Wine
Mulberry
Monitise
Nanoco Group
Nichols
Numis Corporation
Oxford Catalysts Group
Pan African Resources
Plexus Holdings
Polar Capital Holdings
Prezzo
Quindell Portfolio
RWS Holdings
Rockhopper Exploration
Secure Trust Bank
Sirius Minerals Plc
Smart Metering Systems
Songbird Estates
Telford Homes
Thorpe (FW)
Young & Cos Brewery A
