Ontario Teachers Pension Plan Board, Toronto, with $40.2 billion in...

Ontario Teachers Pension Plan Board, Toronto, with $40.2 billion in assets, has agreed to acquire the 78.2% of Cadillac Fairview Corp. it does not already own at $23 a share. Cadillac, a Toronto-based real estate developer, had been trading at $19 to $20 a share in recent weeks. Teachers, Cadillac’s largest shareholder with a 21.8% stake of shares outstanding, also will make an offer for Cadillac’s $66 million in convertible unsecured subordinated debentures.