13F-HR 1 lsam13f063001.txt FORM 13F-HR UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 13F FORM 13F COVER PAGE REPORT FOR THE CALENDAR YEAR OR QUARTER ENDED: 6/30/01 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: LYON STREET ASSET MANAGEMENT COMPANY ADDRESS: 111 LYON ST GRAND RAPIDS, MI 49503 13F FILE NUMBER: 28-7690 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: KENNETH C. KREI TITLE: EXECUTIVE VICE PRESIDENT PHONE: (616) 653-3365 SIGNATURE,PLACE,AND DATE OF SIGNING: /S/KENNETH C. KREI GRAND RAPIDS, MI 08/10/01 I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934. REPORT TYPE (CHECK ONLY ONE.): (X) 13F HOLDINGS REPORT ( ) 13F NOTICE ( ) 13F COMBINATION REPORT LIST OF OTHER MANAGERS REPORTING FOR THIS MANAGER: NONE FORM 13F SUMMARY PAGE REPORT SUMMARY: NUMBER OF OTHER INCLUDED MANAGERS: 1 FORM 13F INFORMATION TABLE ENTRY TOTAL: 909 FORM 13F INFORMATION TABLE VALUE TOTAL: $2,461,195 LIST OF OTHER INCLUDED MANAGERS: PROVIDE A NUMBERED LIST OF THE NAME(S) AND FORM 13F FILE NUMBER(S) OF ALL INSTITUTIONAL INVESTMENT MANAGERS WITH RESPECT TO WHICH THIS REPORT IS FILED, OTHER THAN THE MANAGER FILING THIS REPORT. [IF THERE ARE NO ENTRIES IN THIS LIST, STATE "NONE" AND OMIT THE COLUMN HEADINGS AND LIST ENTRIES.]

EXPLANATION OF REPORTING: THIS REPORT IS FILED BY LYON STREET ASSET MANAGEMENT COMPANY ON ITS OWN BEHALF WITH RESPECT TO THE SECURITIES CODED "2" IN THE "OTHER MANAGERS" COLUMN, TO THE EXTENT THE FOLLOWING COMPANIES CONTROL LYON STREET ASSET MANAGEMENT COMPANY AND ARE THEREFORE DEEMED TO EXERCISE INVESTMENT DISCRETION WITH RESPECT TO ALL ACCOUNTS OVER WHICH LYON STREET ASSET MANAGEMENT COMPANY HAS INVESTMENT DISCRETION, FOR ITS PARENT FIFTH THIRD BANK (FORMERLY OLD KENT BANK), THAT COMPANY'S PARENT FIFTH THIRD FINANCIAL CORPORATION, AND FIFTH THIRD BANCORP. THE SECURITIES CODED "2" ARE ASSETS OF THE KENT AGGRESSIVE GROWTH FUND, FOR WHICH LYON STREET ASSET MANAGEMENT COMPANY SERVES AS INVESTMENT ADVISER. THIS REPORT IS BEING FILED BY LYON STREET ASSET MANAGEMENT COMPANY ON ITS OWN BEHALF AND ON BEHALF OF FIFTH THIRD BANCORP AND ITS SUBSIDIARIES, FIFTH THIRD FINANCIAL CORPORATION, FIFTH THIRD BANK (A MICHIGAN BANKING CORPORATION) AND FIFTH THIRD ASSET MANAGEMENT, INC., WITH RESPECT TO THE ASSETS CODED "1" IN THE "OTHER MANAGERS" COLUMN. THESE ASSETS CODED "1" ARE OWNED BY THE KENT FUNDS, FOR WHICH FIFTH THIRD ASSET MANAGEMENT, INC., HAS SERVED AS INVESTMENT ADVISOR SINCE APRIL 2, 2001.

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