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 February, 2006 ------------- 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 interests ------------------------------- AMVESCAP PLC IMMEDIATE RELEASE 17 FEBRUARY 2006 PLEASE CONFIRM RELEASE MICHAEL S. PERMAN TEL: 020 7065 3942 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1. Name of company AMVESCAP PLC 2. Name of shareholder having a major interest FMR Corp. Fidelity International Limited Mr. Edward C. Johnson 3d 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 SHAREHOLDERS 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 - 5. Number of shares/amount of stock acquired - 6. Percentage of issued class - 7. Number of shares/amount of stock disposed 5,104,700 8. Percentage of issued class 0.62% 9. Class of security ORDINARY SHARES 10. Date of transaction NOT STATED 11. Date company informed 17 FEBRUARY 2006 12. Total holding following this notification 23,940,410 13. Total percentage holding of issued class following this notification 2.92% 14. Any additional information FMR Corp. Parent holding company of Fidelity Management & Research Company (FMRCO), investment manager for US mutual funds, and Fidelity Management Trust Company (FMTC), a US state chartered bank which acts as a trustee or investment manager of various pension and trust accounts. Fidelity International Limited (FIL) Parent holding company for various direct and indirect subsidiaries, including Fidelity Investment Services Ltd. (FISL), Fidelity Gestion (FIGEST), Fidelity Investments Advisory (Korea) Limited (FIA[K]L), Fidelity Investments Management (Hong Kong) Limited (FIMHK), Fidelity Pension Management (FPM), Fidelity Investments Japan (FIJ) and Fidelity Investments International (FII), investment managers for various non-US investment companies and institutional clients Mr. Edward C. Johnson 3d A principal shareholder of FMR Corp. and Fidelity International Limited. 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 M.S. PERMAN AMVESCAP PLC COMPANY SECRETARY Date of notification 17 FEBRUARY 2006 The FSA does not give any express or implied warranty as to the accuracy of this document or material and does not accept any liability for error or omission. The FSA is not liable for any damages (including, without limitation, damages for loss of business or loss of profits) arising in contract, tort or otherwise from the use of or inability to use this document, or any material contained in it, or from any action or decision taken as a result of using this document or any such material. 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 17 February, 2006 By /s/ Michael S. Perman ----------------- -------------------------- (Signature) Michael S. Perman Company Secretary