QCR Holdings, Inc. is a multi-bank holding company. The Company serves the Quad Cities, Cedar Rapids, Waterloo/Cedar Falls, Des Moines/Ankeny and Rockford communities through its banking subsidiaries, Quad City Bank and Trust Company (QCBT), Cedar Rapids Bank and Trust Company (CRBT), Community State Bank (CSB), and Guaranty Bank and Trust Company, which provide full-service commercial and consumer banking and trust and asset management services. It is also engaged in direct financing lease contracts through m2 Lease Funds, LLC (m2), a subsidiary of QCBT. Its principal business consists of attracting deposits and investing those deposits in loans/leases and securities. The Company and its subsidiaries provide a range of commercial and retail lending/leasing, and investment services to corporations, partnerships, individuals and government agencies. It offers a range of loans, including one-to four-family residential loans and multi-family loans.