COLB

Columbia Banking System, Inc. (NASDAQ:COLB) is a regional bank holding company founded in 1993 and headquartered in Tacoma, Washington. The company operates Columbia State Bank, which provides comprehensive banking services across the Pacific Northwest and select western markets. Columbia has grown significantly through strategic acquisitions, most notably completing a major merger with Umpqua Holdings Corporation in early 2023, which substantially expanded its geographic footprint and market presence. Today, the company operates 153 branch locations across Washington, Oregon, Idaho, and California, serving small and medium-sized businesses, professionals, and individual consumers with a relationship-focused banking approach.