AIM is the London Stock Exchange's international market for smaller growing companies. On AIM you will find a wide range of businesses ranging from young, venture capital-backed start-ups to well-established, mature organisations looking to expand.
Since its launch in 1995, over 2,500 companies have joined AIM − raising more than £34bn in the process, both through initial public offerings (IPOs) and further capital raisings. This capital has helped AIM-quoted companies of all kinds to fund their development and pursue their ambitions. Many companies have made the transition to the Exchange's Main Market following their success and positive experience on AIM.
When the London Stock Exchange created AIM, the objective was to offer smaller companies − from any country and any industry sector − the chance to raise capital on a market with a pragmatic and appropriate approach to regulation. With this in mind, AIM was designed to be a highly flexible public market offering many unique attributes both for companies and investors. The FTSE AIM 100 Index index was introduced on 16th May 2005, and is a market capitalisation weighted stock market index incorporating the largest 100 companies by capitalisation which have their primary listing on the Alternative Investment Market, it may contain companies that are also included in the FTSE AIM UK 50 Index.
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.
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