Extra Food Stock Canada's first $0 commission stock trading app is WealthSimple Trade.Click here to sign up and get a free $10 to trade! Extra Foods is not a publicly traded company.If you are interested Extra Foods ownership, you would have to purchase it’s parent company’s stock, which is the Loblaw Companies Limited (L.TO). Canada's first $0 commission stock trading app is WealthSimple Trade.Click here to sign up and get a free $10 to trade! Companies