AEW Capital Management Inc. is in discussions with Challenger to acquire a A$400 million portion of the financial services company's A$1 billion property portfolio across Australia, The Australian reported.

Included in the off-market discussions are the 22-level 31 Queen Street in Melbourne, the 13-level Mackinson House in Brisbane and another building in Canberra, according to the publication.

Challenger did not comment on the latest talks but disclosed during the announcement of its results that it is divesting a number of properties to raise funds for fixed-income investments, the March 25 report added.