In theory, owning a controlling stake in the company is worth something beyond the price of an individual share, because it gives you the power to affect the ou

In theory, owning a controlling stake in the company is worth something beyond the price of an individual share, because it gives you the power to affect the outcome of the business. The difference between acquisition price and current market value is often referred to as a "control premium" and 13% isn't a particularly big one.