Columbia Banking System Inc

Columbia Banking System, Inc. (Nasdaq: COLB) is the parent company of Columbia Bank, a regional bank operating 348 branches across nine western U.S. states: Arizona, California, Colorado, Idaho, Nevada, Oregon, Texas, Utah, and Washington. The company provides a full suite of financial services including retail and commercial banking, Small Business Administration lending, institutional and corporate banking, equipment leasing through its FinPac subsidiary, residential mortgage banking, and investment and wealth management through Columbia Wealth Management. Columbia Bank also offers healthcare and private banking services, treasury management, card and merchant services, international banking, and homeowners association (HOA) banking. The bank's 'Business Bank of Choice' strategy emphasizes relationship-driven commercial banking with a granular, low-cost core deposit base, serving a footprint that covers major metropolitan areas including Seattle, Portland, Los Angeles, Sacramento, Phoenix, Denver, Boise, Salt Lake City, and Las Vegas. The company holds over 10% deposit market share in the Northwest (Washington, Oregon, Idaho), ranking as the 5th largest bank in the region and the 4th largest regional bank headquartered in its eight-state footprint. Columbia completed its acquisition of Pacific Premier Bancorp and continues integration efforts while actively optimizing its branch network and expanding organically into key markets like Utah and California. Updated Oct 22, 2026