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American software company Diligent said it has had strong support for its $24 million NZX listing - approximately 23 per cent of the company.
Duncan Priest, of lead manager McDouall Stuart, said the demand for the offer exceeded supply and applications were all scaled.
Diligent runs a web-based software service that allows companies to manage board papers electronically.
The public offer closes on December 5 and shares will commence trading on the NZX on December 12.