FORM 10-Q UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 For the transition period from ______ to ______ Commission file number 1-10816 MGIC Investment Corporation (Exact name of registrant as specified in its charter) Wisconsin 39-1486475 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 250 E. Kilbourn Avenue 53202 Milwaukee, Wisconsin (Zip Code) (Address of principal executive offices) (414) 347-6480 (Registrant's telephone number ...