13F-HR/A 1 sd334664-13f.txt FORM 13F -- LIGHTBRIDGE INC. (SIDUS) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F Report for the Calendar Year or Quarter Ended: December 31, 2004 Check here if Amendment [ ] Amendment Number: Institutional Investment Manager Filing this Report: Name: Sidus Investment Management, LLC, attn: Jacob A. Broff Address: 767 Third Avenue New York, NY 10017 Form 13F File Number: N/A 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 the 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: Jacob A. Broff Title: Chief Financial Officer Phone: (212) 751-6644 Signature, Place, and Date of Signing: /s/ Jacob A Broff New York, New York February 8, 2004 [Signature] [City, State] [Date] Report Type: [ X ] 13F HOLDINGS REPORT [ ] 13F NOTICE [ ] 13F COMBINATION REPORT Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: None Form 13F Information Table Entry Total: 121 Form 13F Information Table Value Total: $288,174 (in thousands) List of Other Included Managers: None

Sidus Investment Management LLC 13F-HR/A