13F-NT 1 horizonthirteenfjunetw.txt HORIZONTHIRTEENFJUNETW UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Quarter ended: June 30, 2012 Institutional Investment Manager Filing this Report: Name: Horizon Asset Management LLC Address: 470 Park Avenue South 4th Floor South New York, N.Y. 10016 13F File Number: 28-6986 The institutional investment manager filing this report; and person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person signing this Report on Behalf of Reporting Manager: Name: Andrew M. Fishman Title: Associate General Counsel Phone: 646-495-7347 Signature, Place, and Date of Signing: Andrew M. Fishman New York, New York August 8, 2012 Report Type: 13F NOTICE List of Other Managers Reporting for this Manager: Horizon Kinetics LLC Form 13F File Number 28-14519 I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934.