Is Interactive Brokers LLC regulated?

Interactive Brokers LLC is a brokerage firm that operates in multiple markets worldwide. The company is regulated by various financial authorities, including the Financial Industry Regulatory Authority (FINRA) in the US, and has agreed to pay fines in the past for regulatory violations such as inadequate anti-money laundering procedures. Additionally, Interactive Brokers has subsidiaries in different countries, each subject to the regulatory oversight of the respective local financial authorities.