Viasat is not owned by AT&T. These are two separate public companies. AT&T does not own Viasat. Viasat is a publicly traded company listed on the NASDAQ stock exchange under the ticker symbol "VSAT." As such ownership of Viasat is distributed among individual and institutional shareholders who own the stocks. The largest shareholders typically include institutional investors, such as mutual funds and pension funds, as well as company executives and board members. Viasat's operations and strategic decisions are overseen by a Board of Directors, elected by the shareholders.

AT&T Inc. is a different publicly traded company and its ownership structure is characterized by shares held by various stakeholders. AT&T is listed on the New York Stock Exchange (NYSE) under the ticker symbol "T." Shares are widely held by individual and institutional investors. A significant portion of AT&T's shares is owned by institutional investors, which include mutual funds, pension funds, and other large investment groups. Individual investors also own shares of AT&T, contributing to its diverse shareholder base. AT&T's executives and board members often hold shares in the company, aligning their interests with the company's performance. AT&T's corporate governance is overseen by a Board of Directors, which is elected by the shareholders. The board makes major decisions regarding the company's direction, policy, and strategy. The day-to-day operations of AT&T are managed by its executive team, led by the CEO. Given its status as a large public company, AT&T does not have a single majority shareholder. Instead, its ownership is distributed among many shareholders. Shareholders have voting rights in company decisions, typically exercised during annual general meetings. The extent of these rights is often proportional to the number of shares held.

As publicly traded companies both Viasat and AT&T are subject to strict financial reporting and regulatory compliance, overseen by entities like the Securities and Exchange Commission (SEC). The performance of a stock tends to influence its ownership structure, as the value of its shares is subject to market conditions. The ownership structure of public companies can be complex and subject to change based on market dynamics and investment activities.