WhatsApp Messenger Stock Canada's first $0 commission stock trading app is WealthSimple Trade.Click here to sign up and get a free $10 to trade! WhatsApp Messenger is not a publicly traded company.If you are interested in WhatsApp Messeneger ownership, you would have to purchase it’s parent company’s stock, which is Facebook, Inc (FB). Canada's first $0 commission stock trading app is WealthSimple Trade.Click here to sign up and get a free $10 to trade! Companies