Shares in Mark Bouris's wealth management company have been placed on a trading halt amid reports it is in talks with Macquarie Group on a tie-up.
The high-profile Mr Bouris is a TV personality and founded Wizard Home Loans.
Macquarie Group is refusing to comment on a report in the Sydney Morning Herald that it is eyeing a return to the mortgage market through a distribution deal with Mr Bouris's company, Yellow Brick Road.
Yellow Brick Road says it will make an announcement by early Friday on reports it may team up with investment bank Macquarie Group.
Shares in Yellow Brick Road have been placed on a trading halt until then.
At 11:23am (AEDT) shares in Macquarie Group were up 27 cents at $31.49.