The identity of the top shareholder in a publicly traded corporation like YouGov typically refers to the largest institutional asset management firm holding the highest percentage of outstanding common stock. Major institutional filings indicate that prominent investment institutions—such as Artemis Fund Managers and Liontrust Investment Partners—frequently hold the largest blocks of voting rights and equity shares among institutional entities. Because institutional portfolios adjust their holdings dynamically based on market liquidity and valuation shifts, exact percentage rankings among top fund managers can vary slightly with each reporting cycle.