GPT seeks backing for surprise takeover bid GPT chief executive Michael Cameron hit the hustings yesterday in an effort to win over institutional backing for his surprise $2.9 billion takeover bid for the Commonwealth Property Office Fund. The diversified property giant emphasised its deep knowledge of the local office market as it challenges the Darren Steinberg-led Dexus Property Group for the mantle as largest player by grabbing the $3.9bn portfolio of the Commonwealth fund.