Book runner

Book runner

The managing underwriter for a new issue. The book runner maintains the book of securities sold.

Lead Arranger

In investment banking, an underwriting firm that leads a syndicate. A syndicate is a group of underwriters responsible for placing a new issue of a security with investors. Every syndicate is a temporary arrangement. The lead arranger assigns parts of the new issue to other underwriters for placement and usually takes the largest part itself. It is also called a managing underwriter or a syndicate manager or, less formally, a book runner.