sponsor

1. An institutional investor or a brokerage firm that has a position in a security and influences other investors to establish a position in that security.
2. An individual, business, or other organization that pays part or all of the expenses for a radio or television program.
3. An individual, business or other organization that takes responsibility for managing and/or financing an organized activity: The bank served as a sponsor of the annual festival.
4. The individual or entity that establishes or helps establish a mutual fund.
5. A general partner who organizes and promotes a limited partnership.
6. See underwriter.