BOK Financial Corporation is a financial holding company. The Company operates through three lines of business: Commercial Banking, Consumer Banking, and Wealth Management. Commercial Banking includes lending, treasury and cash management services, customer commodity risk management products and TransFund electronic funds network. Consumer Banking includes retail lending and deposit services, lending and deposit services to small business customers served through the retail branch network, and all mortgage loan origination and servicing activities. Wealth Management engages in brokerage and trading activities, mainly related to providing liquidity to the mortgage markets through trading of U.S. government agency mortgage-backed securities and related derivative contracts. Wealth Management also provides fiduciary services, private bank services, investment advisory services, and insurance services in all markets. Its wholly-owned subsidiary is BOKF, NA.