Columbia Banking System, Inc. COLB

What this company does

Columbia Banking System, Inc. provides a broad range of banking, private banking, mortgage, and other financial services to corporate, institutional, small business, and individual customers through the Bank. As of December 31, 2025, the Company employed 6,005 individuals, predominantly full-time associates. The majority of the Bank's loans and deposits are within its service areas in Arizona, California, Colorado, Idaho, Nevada, Oregon, Utah, and Washington. FinPac, a commercial equipment leasing company, is a subsidiary of the Bank. The Wealth Management team, a division of Columbia Bank, provides a full suite of financial planning, investment, trust, insurance, and private banking solutions to individuals, families, and businesses through Columbia Wealth Advisors, Columbia Trust Company, Columbia Private Trust, and Columbia Private Bank. It offers specialized loans for corporate, middle market, and small business customers, including commercial lines of credit and term loans, accounts receivable and inventory financing, international trade finance, commercial property loans, multifamily loans, equipment loans, commercial equipment leases, real estate construction loans and permanent financing, and SBA program financing.

Written from the business description in COLUMBIA BANKING SYSTEM, INC.'s annual report to the U.S. Securities and Exchange Commission, filed 26 February 2026. Every sentence was checked against that document before publication.