Ventia Services Group (ASX:VNT, NZE:CGF) said Challenger (ASX:CGF) raised its voting power in the firm to 6.24% from 5.03%, as of May 29, according to Tuesday filings with the Australian and New Zealand bourses.
Challenger now holds 51.2 million shares in the firm.
Ventia's shares rose nearly 2% in recent trading on the New Zealand bourse.