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 September, 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: Monthly Assets Under Management ------------------------------- Press Release Addressee For Immediate Release Contact: Aaron Uhde Michael Perman Phone: +1 404 479 2956 +44 (0) 207 065 3942 AMVESCAP Announces August 31, 2006 Assets Under Management London, September 11, 2006 - AMVESCAP today reported preliminary month-end assets under management of $428.9 billion. (NYSE: AVZ). Ending Assets Under Management (In billions) August 31, 2006(a) July 31, 2006 June 30, 2006 ------------------------- ---------------------- --------------------- Long-Term $364.3 $356.2 $352.5 Money Market (b) $64.6 $66.0 $61.3 ------------------------- ---------------------- --------------------- Total $428.9 $422.2 $413.8 (a) Preliminary - subject to adjustment. (b) Money Market assets include both retail and institutional money market assets. # # # AMVESCAP is a leading independent global investment manager, dedicated to helping people worldwide build their financial security. Operating under the AIM, AIM Trimark, INVESCO, Invesco Perpetual and Atlantic Trust brands, AMVESCAP strives to deliver outstanding products and services through a comprehensive array of enduring investment solutions for our retail, institutional and private wealth management clients around the world. The company is listed on the CityLondon, StateNew York and placeCityToronto stock exchanges with the symbol "AVZ." Additional information is available at www.amvescap.com. 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 11 September, 2006 By /s/ Michael S. Perman ------------------ --------------------------- (Signature) Michael S. Perman Company Secretary