MFS Investment Management is indeed registered with several regulatory bodies. In the United States, MFS is registered with the Securities and Exchange Commission, often referred to as the SEC. This registration is essential for investment advisers and mutual fund companies, as it ensures compliance with federal securities laws and regulations. Additionally, MFS is also registered with various state regulators, depending on the jurisdictions in which it operates.
For investors outside the United States, MFS may have registration or regulatory compliance with relevant authorities in those countries. It is common for asset management firms like MFS to be subject to oversight from local regulatory bodies in order to ensure investor protection and market integrity. For comprehensive information regarding the specific regulatory registrations that MFS holds, interested individuals may find it beneficial to visit MFS's current web page, where detailed information about their regulatory compliance can often be found.