OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 814-00646 APOLLO INVESTMENT CORPORATION (Exact name of Registrant as specified in its charter) Maryland 52-2439556 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.) 9 West 57 Street 37th Floor New York, New York 10019 th UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q x QUARTERLY REPORT PURSUANT TO SECTION 13 ...