Aetna has agreed to acquire rival health insurer Humana for US$37 billion in cash and stock.
Insurance broker Willis Group Holdings and Towers Watson have agreed to an all-stock merger of equals transaction. The combined company will be called Willis Towers Watson.
BMO Financial Group has reached an agreement to sell its U.S. retirement services business to One America for an undisclosed amount.
Sun Life Financial is acquiring real estate investment manager Bentall Kennedy Group for $560 million.
The Co-operators has purchased a majority interest in The Edge Benefits for an undisclosed amount.
Goldman Sachs Asset Management (GSAM) has entered into an agreement to buy the with Pacific Global Advisors (PGA) solutions business from Pacific Life for an undisclosed amount.
Teva Pharmaceutical Industries has made an unsolicited takeover offer to buy rival Mylan Pharmaceuticals for US$40 billion.
Manulife's U.S. division, John Hancock Financial, has successfully completed its previously announced acquisition of New York Life's Retirement Plan Services business.
Valeant Pharmaceuticals International has completed the previously announced acquisition of Salix Pharmaceuticals.
Teva Pharmaceutical Industries Ltd. is buying Auspex Pharmaceuticals Inc. for about US$3.2 billion in a move to strengthen its position on central nervous system condition treatments.