13F-NT 1 c1_ntramiusllc2q2011.txt RAMIUS LLC UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter Ended: September 30, 2011 Check here if Amendment [ ]; Amendment Number: This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: Ramius LLC Address: 599 Lexington Avenue, 2Oth Flr. New York, NY 10022 13F File Number: 028-06309 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that 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: Owen Littman Title: General Counsel Phone: 212-201-4841 Signature, Place, and Date of Signing: /s/ Owen Littman New York, NY November 14, 2011 Report Type (Check only one.): [ ] 13F HOLDINGS REPORT. [ X] 13F NOTICE. [ ] 13F COMBINATION REPORT. List of Other Managers Reporting for this Manager: Form 13F File Number Name 028-14571 Cowen Group, Inc.