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 October, 2003
Commission File Number: 1-10817
CELLTECH GROUP PLC
(Translation of registrant's name into English)
208 Bath Road, Slough, Berkshire SL1 3WE ENGLAND
(Address of principal executive offices)
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-________).
Enclosure: Holding(s) in Company
SCHEDULE 10
NOTIFICATION OF MAJOR INTERESTS IN SHARES
1. Name of company
Celltech Group plc
2. Name of shareholder having a major interest
AMVESCAP PLC
3. Please state whether notification indicates that it is in respect of holding of the shareholder named in 2 above or in respect of
a non-beneficial interest or in the case of an individual holder if it is a holding of that person's spouse or children under the age
of 18
As in 2 above
4. Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them
Unknown
5. Number of shares / amount of stock acquired
Unknown
6. Percentage of issued class
Unknown
7. Number of shares / amount of stock disposed
Unknown
8. Percentage of issued class
Unknown
9. Class of security
Ordinary 50p shares
10. Date of transaction
Unknown
11. Date company informed
7 October 2003
12. Total holding following this notification
Unknown
13. Total percentage holding of issued class following this notification
Unknown
14. Any additional information
The notice was given in fulfilment of, and for the express purpose of discharging the obligations
imposed on AMVESCAP and on certain investment companies with variable capital ("ICVCs") by Section 198.
Following the conversion of unit trusts to ICVCs AMVESCAP PLC ceased to have a notifiable interest in
the ordinary shares of the Company, within the meaning of Sections 203 and 208 of the Act.
15. Name of contact and telephone number for queries
Cheryl Cramer Tel. 01753 447933
16. Name and signature of authorised company official responsible for making this notification
J A D Slater
Date of notification
7 October 2003
The FSA does not give any express or implied warranty as to the accuracy of this document or material and does not accept any
liability for error or omission. The FSA is not liable for any damages (including, without limitation, damages for loss of business
or loss of profits) arising in contract, tort or otherwise from the use of or inability to use this document, or any material
contained in it, or from any action or decision taken as a result of using this document or any such material.
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.
CELLTECH
GROUP PLC
(Registrant)
By: /s/
PETER ALLEN
Peter
Allen
Chief
Financial Officer
Dated: 14 October, 2003