QCR Holdings, Inc. operates as a multi-bank holding company which engages in the provision of commercial banking services. It operates through the following segments: Commercial Banking, Wealth Management and All Other. The Commercial Banking segment comprises of the firm's subsidiary banks namely Quad City Bank & Trust Co., Cedar Rapids Bank & Trust Co., Community State Bank, and Rockford Bank & Trust Co. The Wealth Management segment represents the trust and asset management and investment management and advisory services. The All Other segment includes the operations of all other consolidated subsidiaries and defined operating segments that fall below the segment reporting thresholds. The company was founded by Douglas M. Hultquist and Michael A. Bauer in 1993 and is headquartered in Moline, IL.