13F-NT 1 firmco13f-nt.txt 13F NOTICE FOR FIRMCO 3/31/01 UNITED STATES SECURITES AND EXCHANGE COMMISSION Washington, D. c. 20549 FORM 13F FORM 13F COVER PAGE Report for the quarter ended: March 31, 2001 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: Firstar Investment Research & Management Co., LLC Address: 777 East Wisconsin Avenue, Suite 800 Milwaukee, WI 53202 Form 13F File Number: 28-2123 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 is true, correct and complete, and that it is understood that all required items, statements, schedules, charts, and tables, are considered integral parts of this form. Person signing this report on behalf of Reporting Manager: Name: Jeff Squires Title: Sr. Vice President Phone: (414) 765-6806 Signature, Place, and Date of Signing: Jeff Squires Milwaukee, WI May 14, 2001 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 28-00551 U.S. Bancorp