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, 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

05 November 2004

Re: Holding in Company

A letter from Wellington Management Company, LLP dated the 04th November 2004 to
Ryanair Holdings Plc, received by Ryanair Holdings Plc 5th November 2004..

Notification concerning interests in shares of Ryanair Holdings plc (the "
Company").

1.        Wellington Management Company, LLP ("WMC"), is registered as an
investment adviser with the United States Securities and Exchange Commission and
acts as discretionary investment manager on behalf of various separate (the "
Accounts") that hold an interest in  shares of the Company.  Wellington
Management's interest in the shares is as an investment manager, as is mentioned
in Sections 67(1) and 77(4) (B) of the Companies Act 1990 (the "Act").  The
Accounts do not act as a group nor do they act in concert with respect to the
interests in shares.  Wellington Management acquired the interests in shares for
the Accounts  in its capacity as discretionary investment manager to, and solely
for the benefit of, the Accounts, and the interests were acquired solely for
investment purposes.  The shares are registered in the name of the Accounts or
the Accounts' custodians or nominees according to their respective holdings.

2.        Wellington Management as discrtionary investment manager on behalf of
various separate accounts, has purchased, in the aggregate, 1,392,892 ordinary
shares and 8,083,349 ADR shares.  On a converted basis, this represents the
equivalent of 40,416,745 ordinary shares, or 5.54% of the shares outstanding, of
the Company.  This is an increase of 1.23% since our notification on August 17,
2004.  Therefore, Wellington Management hereby gives notice to the Company of
such interest in shares, pursuant to the provisions of Sections 67(1) and 77(4)
(B) of the Act.

3.        This notice is given in fulfillment of, and for the express purpose of
discharging the obligations imposed on us by, Sections 67(1) and 77(4)(B) of the
Act and arising out of the circumstances referred to in paragraph 2.

Julie A. Jenkins

Vice President and Counsel

Wellington Management Company, LLP



                                   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:  05 November 2004

                                    By:___/s/ Howard Millar____

                                    H Millar
                                    Company Secretary & Finance Director