If you want to know who really controls GlaxoSmithKline plc (LON:GSK), then you’ll have to look at the makeup of its share registry. Generally speaking, as a company grows, institutions will increase their ownership. Conversely, insiders often decrease their ownership over time. Companies that have been privatized tend to have low insider ownership.
GlaxoSmithKline has a market capitalization of UK£71b, so it’s too big to fly under the radar. We’d expect to see both institutions and retail investors owning a portion of the company. Our analysis of the ownership of the company, below, shows that institutions are noticeable