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 March 2004

                              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


15 March 2004


Re: Holding in Company


A Letter from The Capital Group Companies, Inc dated 11 March 2004 to Ryanair
Holdings Plc, received by Ryanair Holdings Plc on the 12 March 2004.

Re: Section 67 Notification

Company Secretary:


            Enclosed is a Section 67 Notification date 8 March 2004.


Please note that one or more of the affiliates of The Capital Group Companies,
Inc. have made notifications to your company pursuant to Section 67 in the past.

For a description of our organisation, please visit our Web site at
www.capgroup.com.


For the purposes of this notification an outstanding share balance of
754,316,100 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 as soon as possible so we may make the necessary revisions to
this notification.

Greg Dickinson
Compliance Associate
The Capital Group Companies, Inc.


A Letter from The Capital Group Companies, Inc. to Ryanair Holdings Plc dated 08
March 2004.


                       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 Captial 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:

69,010,578 Ordinary Shares (including ADRs)

Name(s) of registered holder(s):

See Schedule B

As of 08 March 2004


Ryanair Holdings Plc


                                     Number of Shares     Percent of Outstanding

The Capital Group Companies, Inc.
  ("CG") holdings                          69,010,578                     9.150%

Holdings by CG Management Companies
  and Funds:

Capital Guardian Trust Company       9,836,400                            1.304%

Capital International Limited        37,585,850                           4.983%

Capital International S.A.           2,979,440                            0.395%

Capital International, Inc.          1,007,688                            0.134%

Capital Research and Management      17,601,200                           2.333%
Company


Schedule A


                 Schedule of holdings in Ryanair Holdings, Plc
                               As of 8 March 2004

                         CAPITAL GUARDIAN TRUST COMPANY


Registered Name                                         Local Shares

Cede & Co                                               7,200,500

55 Water Street

New York, NY 10006

Bank of Ireland                                         325,900

Intl Financial Services Centre

1 Harbourmaster Place

Dublin 1

Allied Irish Bank plc                                   2,310,000

Stock Exchange and Trust Services

Bank Centre

P.O. Box 512

Ballsbridge

Dublin 4

Total                                                   9,836,400


                        Schedule B Page 1 of 5


                         CAPITAL INTERNATIONAL LIMITED


Registered Name                                         Local Shares

State Street Nominees Limited                           134,000

Canary Wharf

27th Floor, 1 Canada Square

London E14 5AF

Bank of New York Nominees                               2,267,793

Bank of New York

3 Birchin Lane

London EC3V 9BY

Northern Trust                                          1,799,649

C/O NorTrust Nominees Limited

155 Bishopsgate

London EC2M 3XS

Chase Nominees Limited                                  33,200

Woolgate House

Coleman Street

London

EC2P 2HD

Cede & Co                                               7,934,000

55 Water Street

New York

NY 10006

Citibank London                                         4,500

11 Old Jewry

London EC2R 8D8

UK

Nortrust Nominees                                       590,400

155 Bishopsgate

London EC2M 3XS

United Kingdom

Bank of Ireland                                         9,635,597

Intl Financial Services Centre

1 Harbourmaster Place

Dublin 1

Allied Irish Bank Plc                                   4,160,541

Stock Exchange and Trust Services

Bank Centre, P.O. Box 512

Ballsbridge, Dublin 4

State Street London Ltd                                 1,273,497

12-13 Nicholas Ln

London EC4N 78N

Mellon Bank                                             215,000

Global Custody Division

1 Mellon Bank Centre Room 1310

Pittsbourgh PA 15252-0001

MSS Nominees Limited                                    255,000

Midland Bank Plc

Mariner House, Pepys

London EC3N 4DA

State Street Bank & Trust Co                            580,520

Deutsche Bank AG                                        141,828

23 Great Winchester Street

London EC2P 2AX

United Kingdom

HSBC Bank Plc                                           17,800

Securities Services Mariner House

Pepys Street

London EC3N 4DA

Alibank Nominees Limited                                3,276,193

Allied Irish Bank Plc

Stock Exchange and Trust Services

Bank Centre, P.O. Box 512

Ballsbridge, Dublin 4

Citibank N.A. (Ireland)                                 1,453,100

ISFC House

Custom House Quay

Dublin 1

Bank of Ireland Nominees Limited                        2,656,260

Bank of Ireland

Intl Financial Services Centre

1 Harbourmaster Place

AIB Custodial Nominees Limited                          254,500

JP Morgan Chase Bank                                    902,472

Total                                                   37,585,850

                             Schedule B Page 2 of 5

                           Capital International S.A


Registered Name                                         Local Shares

Cede & Co                                               2,627,000

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                        294,740

Bank of Ireland

Intl Financial Services Centre

1 Harbourmaster Place

Citibank N.A (Dublin)                                   46,300

IFSC House

Custom House Quay

Dublin 1

Total                                                   2,979,440


                                   Schedule B

                                  Page 3 of 5


                           Capital International, Inc


Registered Name                                         Local Shares

Cede & Co                                               593,500

55 Water Street

New York, NY 10006

NorTrust Nominees                                       22,200

155 Bishopsgate

London EC2M 3XS

United Kingdom

Bank of Ireland                                         116,200

Intl Financial Services Centre

1 Harbourmaster Place

Dublin 1

State Street Australia Limited                          30,500

Australia

Alibank Nominees Limited                                225,688

Allied Irish Bank

Stock Exchange and Trust Servcies

Bank Centre P.O. Box 512

Dublin

Ballsbridge

AIB Custodial Nominees Limited                          19,600

Total                                                   1,007,688


                                   Schedule B

                                  Page 4 of 5

                    Capital Research and Management Company


Registered Name                                         Local Shares

Cede & Co                                               16,668,500

55 Water Street

New York, NY 10006

Bank of Ireland                                         413,500

Intl Financial Services Centre

1 Harbourmaster Place

Dublin 1

Bank of Ireland Nominees Ltd                            519,200

Bank of Ireland

Intl Financial Services Centre

1 Harbourmaster Place

Dublin 1

Total                                                   17,601,200


                                   Schedule B

                                  Page 5 of 5


                                   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:  15 March 2004

                                    By:___/s/ Howard Millar____

                                    H Millar
                                    Company Secretary & Finance Director