Non-hostile version of a takeover requires a board approval at least. Depending on the jurisdiction and the company bylaws certain amount of the shareholders (s

Non-hostile version of a takeover requires a board approval at least. Depending on the jurisdiction and the company bylaws certain amount of the shareholders (say 75%+) has to vote for the takeover to actually happen. Edit: Under normal circumstance, single entities cannot 'easily' obtain a large share of the stocks even if they actively buy.