SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of November 2005 RYANAIR HOLDINGS PLC (Translation of registrant's name into English) c/o Ryanair Ltd Corporate Head Office Dublin Airport County Dublin Ireland (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 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- ________ Ryanair Holdings Plc 08th November 2005 Re: Holding in Company A Letter from The Capital Group Companies, Inc dated 7th November 2005 to Ryanair Holdings Plc, received by Ryanair Holdings Plc on the 07 November 2005. Re: Section 67 Notification Please find enclosed a Notification of interests filed pursuant to Section 67 of the Companies Act, 1990. This Notice is filed by The Capital Group Companies, Inc. ("CGC"). The Capital Group Companies, Inc. ("CGC") is a holding company for several subsidiary companies engaged in investment management business. The investment management business is divided into two operational groups, represented by Capital Research and Management Company ("CRMC") and Capital Group International, Inc, ("CGII"). CRMC is a U.S. - based investment adviser that manages The American Funds Group of mutal Funds, CGII is the parent company of five companies that serve as investment managers to various institutional clients around the globe; Capital Guardian Trust Company in the U.S. Capital International, Inc. in the U.S. and Singapore, Capital International Limited in the United Kingdom, Capital International S.A. in Switzerland and Capital International K.K. in Japan. For a more complete description of our organization, please visit our Web site at www.capgroup.com. Neither CGC nor any of its subsidiaries own shares of your company for their own account. Rather, the shares reported in this Notification are owned by accounts under the discretionary investment management of one or more of the investment management companies described above. Furthermore, CRMC and CGII act separately from one another and from CGC in exercising investment discretion over their managed accounts. For the purposes of this Notification an outstanding share balance of 763,409,133 shares was used to calculate the percentages of holdings of the relevant share capital which determine the notifiable interest. We believe this outstanding share balance is current; however, if this number is not accurate, please contact us soon as possible so we may make the necessary revisions to this Notification. Notification of Interests (Section 67 Companies Act 1990) This Notice is given by The Capital Group Companies, Inc. on behalf of its affiliates, including Capital Research and Management Company, Capital International,Inc., Capital International S.A., Capital Guardian Trust Company, and Capital International Limited, pursuant to Section 67 of the Companies Act, 1990. The interest in the relevant share capital indicated below arises by virtue of holdings attributed to the Companies (see Schedule A). These holdings form part of funds managed on behalf of investment clients by the Companies. Share capital to which this relates: Ordinary Shares (including ADRs) Number of shares in which the Companies have a notifiable interest: 38,358,928 Ordinary Shares (including ADRs) Name(s) of registered holder(s): See Schedule B Should you have questions or require additional information, please contact Greg Dickinson or Gina Martinez at (213) 615-0469, or send a fax message to (213) 486-9698. Alternatively, you may contact us via E-mail at GRGroup@capgroup.com. Regards Greg Dickinson Compliance Associates As of 04 November 2005 Ryanair Holdings Plc Schedule B Schedule of holdings in Ryanair Holdings, Plc As of 04 November 2005 CAPITAL GUARDIAN TRUST COMPANY Registered Name Local Shares Cede & Co 6,887,000 55 Water Street New York, NY 10006 Alibank Nominees Limited 1,540,200 Allied Irish Bank, Stock Exchange and Trust Services Bank Centre, P.O.Box 512 Dublin, Ballsbridge Total 8,427,200 Schedule B CAPITAL INTERNATIONAL LIMITED Registered Name Local Shares Bank of New York Nominees 862,895 Bank of New York 3 Birchin Lane London EC3V 9BY Northern Trust 484,533 C/O NorTrust Nominees Limited 155 Bishopsgate London EC2M 3XS Chase Nominees Limited 35,400 Woolgate House Coleman Street London EC2P 2HD Cede & Co 742,990 55 Water Street New York NY 10006 Citibank London 90,230 11 Old Jewry London EC2R 8D8 UK Nortrust Nominees 75,134 155 Bishopsgate London EC2M 3XS United Kingdom Bank of Ireland 971,245 Intl Financial Services Centre 1 Harbourmaster Place Dublin 1 Allied Irish Bank Plc 1,087,543 Stock Exchange and Trust Services Bank Centre, P.O. Box 512 Ballsbridge, Dublin 4 State Street London Ltd 10,000 12-13 Nicholas Ln London EC4N 78N UK MSS Nominees Limited 80,900 Midland Bank Plc Mariner House, Pepys London EC3N 4DA State Street Bank & Trust Co 421,886 Deutsche Bank AG 13,300 23 Great Winchester Street London EC2P 2AX United Kingdom Mellon Bank N.A. 9,800 London Branch London United Kingdom Alibank Nominees Limited 996,043 Allied Irish Bank Stock Exchange and Trust Services Bank Centre PO Box 512 Dublin Ballsbridge Citibank N.A. (Ireland) 117,400 IFSC House Custom House Quay Dublin 1 Bank of Ireland Nominees Limited 957,100 Bank of Ireland International Financial Services Center 1 Harbourmaster Place Citibank N.A. (Dublin) 48,500 IFSC House Custom House Quay Dublin 1 AIB Custodial Nominees Limited 131,300 Clydesdale Bank Plc 486,346 JP Morgan Chase Bank 249,860 Total 7,872,405 Capital International S.A Registered Name Local Shares Cede & Co 1,946,135 55 Water Street New York NY 10006 Bank of Ireland 11,400 Intl Financial Services Centre 1 Harbourmaster Place Dublin 1 Bank of Ireland Nominees Limited 118,100 Bank of Ireland Intl Financial Services Centre 1 Harbourmaster Place Citibank N.A (Dublin) 29,600 IFSC House Custom House Quay Dublin 1 Total 2,105,235 Schedule B Capital International, Inc Registered Name Local Shares Cede & Co 1,101,000 55 Water Street New York, NY 10006 Alibank Nominees Limited 160,088 Allied Irish Bank Stock Exchange and Trust Services Bank Centre P.O. Box 512 Dublin Ballsbridge Total 1,261,088 Schedule B Capital Research and Management Company Registered Name Local Shares Cede & Co 18,693,000 55 Water Street New York, NY 10006 Total 18,693,000 Schedule A The Capital Group Companies, Inc ("CG") holdings Number of Shares Percent of Outstanding The Captial Group Companies, Inc. 38,358,928 5.025% ("CG") holdings Holdings by CG Management Companies and Funds: Capital Gurardian Trust Company 8,427,200 1.104% Capital International Limited 7,872,405 1.031% Capital International S.A. 2,105,235 0.276% Capital International, Inc. 1,261,088 0.165% Capital Research and Management 18,693,000 2.449% Company 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, hereunto duly authorized. RYANAIR HOLDINGS PLC Date: 08 November 2005 By:___/s/ Howard Millar____ H Millar Company Secretary & Finance Director