FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a - 16 or 15d - 16 of the Securities Exchange Act of 1934 For the month of April, 2006 HSBC Holdings plc 42nd Floor, 8 Canada Square, London E14 5HQ, England (Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F). Form 20-F X Form 40-F ...... (Indicate by check mark whether the registrant by furnishing the information contained in this Form 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- ..............) NOTIFICATION OF MAJOR INTERESTS IN SHARES Section 198 - Companies Act 1985 The Company was notified today by Lehman Brothers, that as at the close of business on 29th March 2006, Lehman Brothers International (Europe) no longer has a notifiable interest in the share capital of HSBC Holdings plc. A copy of the letter of notification is quoted below. Paul Stafford Assistant Group Secretary HSBC Holdings plc Letter to HSBC Holdings plc dated 31 March 2006 from Paul MacDonald, Compliance Department - Europe, Lehman Brothers "Dear Sir / Madam, S198 Companies Act 1985 (the "Act") We write to inform you, pursuant to s198 of the Act, that as at the close of business on 29th March, 2006, the interest of Lehman Brothers International (Europe) in the ordinary share capital of HSBC Holdings Plc (the "Company") has fallen below 3%. Yours faithfully For & on behalf of Lehman Brothers Paul MacDonald Compliance Department - Europe" SIGNATURE 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. HSBC Holdings plc By: Name: P A Stafford Title: Assistant Group Secretary Date: 03 April 2006