Canada's Oxford Properties has included some of the largest assets in the former Investa Office Fund's holdings for divestment, with about 40 per cent by value of the $4.3 billion portfolio now on the market.

Oxford, the real estate arm of Canadian pension fund giant OMERS, has included the half-stake it controls in Sydney's Piccadilly Complex – it is jointly owned with Stockland – in the sell-down, a stake last valued at $323 million.