SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER Pursuant to Rule 13a-16 or 15d-16 Under the Securities Exchange Act of 1934 For the month of May, 2005 --------- Commission File Number 001-13908 --------- AMVESCAP PLC ------------------------------------------------ (Translation of registrant's name into English) 30 Finsbury Square, London EC2A 1AG, ENGLAND -------------------------------------------------------- (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F X Form 40-F ----- ----- Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ------ Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ------ Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. Yes No X ------- ------- If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- N/A ------------- Description of document filed: NOTIFICATION OF MAJOR INTEREST IN SHARES ---------------------------------------- AMVESCAP PLC IMMEDIATE RELEASE 9 MAY 2005 CONTACT: MICHAEL PERMAN TEL: 020 7065 3942 SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) Name of company AMVESCAP PLC 2) Name of shareholder having a major interest AVIVA PLC and Morley Fund Management Limited (a subsidiary of AVIVA) 3) Please state whether notification indicates that it is in respect of holding of the shareholder named in 2 above or in respect of a non-beneficial interest or in the case of an individual holder if it is a holding of that person's spouse or children under the age of 18. NOTIFICATION IS IN RESPECT OF THE SHAREHOLDER NAMED IN 2 ABOVE. 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them REGISTERED HOLDERS NUMBER OF SHARES HELD BNY Norwich Union Nominees Ltd 4,644,757 (Material) AVIVA and Morley BT Globenet Nominees Ltd 6,300 (Material) " " " Chase GA Group Nominees Ltd 15,192,522 (Material) " " " Chase Nominees Ltd 3,705 (Material) " " " CUIM Nominee Ltd 4,081,366 (Material) " " " 5) Number of shares/amount of stock acquired - 6) Percentage of issued class - 7) Number of shares/amount of stock disposed 860,000 8) Percentage of issued class 0.106% 9) Class of security 25P ORDINARY SHARES 10) Date of transaction 5 MAY 2005 11) Date company informed 9 MAY 2005 12) Total holding following this notification 23,928,650 - AVIVA and Morley 13) Total percentage holding of issued class following this notification 2.95% AVIVA and Morley 14) Any additional information - 15) Name of contact and telephone number for queries MICHAEL S PERMAN TEL: 020 7065 3942 16) Name and signature of authorised company official responsible for making this notification MICHAEL S PERMAN AMVESCAP PLC COMPANY SECRETARY Date of Notification 9 MAY 2005 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. AMVESCAP PLC ------------------------------ (Registrant) Date 9 May, 2005 By /s/ Michael S. Perman ----------- -------------------------- (Signature) Michael S. Perman Company Secretary