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, 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: Major Holdings -------------- AMVESCAP PLC IMMEDIATE RELEASE 8 MAY 2006 CONTACT: 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 BARCLAYS PLC THROUGH THE LEGAL ENTITIES LISTED BELOW:- Holding Barclays Global Fund Advisors 2,537,414 Barclays Global Investors Ltd 7,856,026 Barclays Capital Securities Ltd 4,010,424 Barclays Global Investors Japan Trust & 832,941 Barclays Global Investors Australia Ltd 67,633 Barclays Global Investors, N.A. 5,382,392 Barclays Private Bank Ltd 1,750 Barclays Global Investors Canada Ltd 52,187 Barclays Private Bank and Trust Ltd 2,900 Barclays Bank Trust Company Ltd 8,624 Barclays Global Investors Japan Ltd 71,373 Barclays Life Assurance Co Ltd 1,073,633 Gerrard Ltd 556,935 Barclays Capital Inc 2,417,166 GROUP HOLDING 24,871,398 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 NOT STATED 6. Percentage of issued class NOT STATED 7. Number of shares/amount of stock disposed - 8. Percentage of issued class - 9. Class of security ORDINARY SHARES 10. Date of transaction NOT STATED 11. Date company informed 8 MAY 2006 12. Total holding following this notification 24,871,398 13. Total percentage holding of issued class following this notification 3.02% 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 M.S. PERMAN AMVESCAP PLC COMPANY SECRETARY Date of notification 8 MAY 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. Registered Holder Account Holding Designation Bank of New York 51,546 Barclays Capital Nominees Limited 80,000 Barclays Capital Nominees Limited 415,893 Barclays Capital Nominees Limited 1,861,561 Barclays Capital Securities Ltd 39,800 Barclays Capital Securities Ltd 2,297,365 Barclays Capital Securities Ltd 1,724,270 Barclays Capital Securities Ltd 8,700 Barclays Global Investors Canada 52,187 Barclays Trust Co & Others 4,441 Barclays Trust CO AS EXEC/ADM C 0000000000000000000 40 Barclays Trust Co E99 C 000000000000000000 186 Barclays Trust Co R69 C 000000000000000000 3,957 Chase Nominees Ltd 16376 405,322 Chase Nominees Ltd 28270 259,592 Gerrard Nominees Limited 630871 400 Gerrard Nominees Limited 652198 10,000 Gerrard Nominees Limited 660758 2,000 Gerrard Nominees Limited 770101 6,440 Greig Middleton Nominees Limited (GM1) 71,005 Investors Bank and Trust Co. 68,375 Investors Bank and Trust Co. 41,886 Investors Bank and Trust Co. 7,237 Investors Bank and Trust Co. 128,448 Investors Bank and Trust Co. 77,521 Investors Bank and Trust Co. 3,690,286 Investors Bank and Trust Co. 768,785 Investors Bank and Trust Co. 25,379 Investors Bank and Trust Co. 11,722 Investors Bank and Trust Co. 209,856 Investors Bank and Trust Co. 21,079 Investors Bank and Trust Co. 2,126,343 Investors Bank and Trust Co. 180,136 JP Morgan (BGI Custody) 16331 199,248 JP Morgan (BGI Custody) 16338 48,417 JP Morgan (BGI Custody) 16341 448,640 JP Morgan (BGI Custody) 16342 104,034 JP Morgan (BGI Custody) 16400 7,413,425 JP Morgan (BGI Custody) 17011 13,702 JP Morgan (BGI Custody) 18408 37,279 JPMorgan Chase Bank 7,409 JPMorgan Chase Bank 78,892 JPMorgan Chase Bank 99,301 JPMorgan Chase Bank 105,174 JPMorgan Chase Bank 77,768 JPMorgan Chase Bank 399,031 JPMorgan Chase Bank 37,143 JPMorgan Chase Bank 6,328 JPMorgan Chase Bank 21,895 JPMorgan Chase Bank 44,768 JPMorgan Chase Bank 7,453 JPMORGAN CHASE BANK 67,633 JPMORGAN CHASE BANK 23,533 Mellon Trust - US CUSTODIAN/ 53,210 Mitsui Asset 11,302 R C Greig Nominees Limited 231,444 R C Greig Nominees Limited a/c AK1 146,356 R C Greig Nominees Limited a/c BL1 33,486 R C Greig Nominees Limited a/c CM1 19,120 R C Greig Nominees Limited GP1 GP1 25,056 R C Greig Nominees Limited SA1 SA1 11,628 Reflex Nominees Limited 2,900 STATE STREET BANK AND TRUST CO 55,800 STATE STREET BOSTON 378,664 Trust & Custody Services Bank 857 Trust & Custody Services Bank 6,993 Zeban Nominees Limited 1,750 TOTAL 24,871,398 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 8 May 2006 By /s/ Michael S.Perman ------------- -------------------------- (Signature) Michael S. Perman Company Secretary