** Shares of NZ-listed Gentrack Group GTK.NZ jump as much as 15.9% to NZ$9.1, hit their highest since November 3

** The billing software maker posts annual total net profit of NZ$20.9 million ($11.71 million), up 119% YoY and topping Visible Alpha's NZ$15 million consensus estimate

** Reports annual rev from continuing operations NZ$230.2 million, up 8% from last year

** GTK adds that it is confident that rev growth will outpace FY25 in FY26, but says it's too early to give further outlook

** Stock down 28.6% this year, including the day's moves

($1 = 1.7844 New Zealand dollars)

(Reporting by Kumar Tanishk in Bengaluru)

((Tanishk.Kumar@thomsonreuters.com; X: @thatstanishk http://www.x.com/thatstanishk;))