The specialist utilities and airports software provider Gentrak debuted on the stockmarket on Wednesday.
Its listing comes hard on the heels of the debut of corporate travel software firm Serko.
Trading in Gentrack stock began began at 12pm Wednesday after earlier raising $99 million dollars at $2.40 a share.
The stock has started strongly, opening at $2.58.
It hit a high of $2.60 early Wednesday afternoon before dipping slightly a short time later to $2.55.
Gentrack forecasts its revenues will rise half a million dollars to $40.6 million this year from last, before jumping $4.1 million dollars to $44.7 million in 2015.
And it expects net profit to come in around $3.7 million this year and more than doubles to $9.3 million in 2015.
Existing shareholders sold 26.3 million shares, retaining just over 43 percent of the company.