Right now there are no requirements for corporations to seek out beneficial ownership information, so the obligations are for the corporation to hold a registry of shareholders. The shareholder is simply the shareholder, not the beneficial owner of that share.
That information right now is similarly available to other shareholders of the business and the director of Corporations Canada. You're allowed to know who you're in business with, the director of Corporations Canada has access to it and law authority has access to it under warrant.