Seaport Global Holdings LLC | 5,280 followers on LinkedIn. Fierce Independence, Piercing Analysis, Razor-Sharp Execution | Seaport Global is a leading capital markets firm providing robust sales, trading and research services, with the resources of a full-service investment bank. We apply an extensive knowledge base and network of long-term relationships to provide financial insight for clients across a variety of industries. With over 300 professionals with decades of experience and offices in the US and Europe, Seaport Global has the capability and acumen to provide our clients sound solutions to help them reach their goals.