20 / PRNewswire-FirstCall / -- IBERIABANK Corporation ( Nasdaq : IBKC ) , holding company of the 122-year-old IBERIABANK ( www.iberiabank.com ) and IBERIABANK fsb ( www.IBERIABANKfsb.com ) , announced income available to common shareholders of $ 25 million for the quarter ended September 30 , 2009 , an increase of 194 % compared to the second quarter of 2009 ( ' linked quarter basis " ) .