FORM 6-K
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Report of Foreign Issuer
Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934
For the month of November 2005
COLT TELECOM GROUP plc
(Translation of Registrant's Name into English)
Beaufort House
15 St. Botolph Street
London
EC3A 7QN
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- ________)
This Form 6-K shall be deemed to be incorporated by reference in the
Registrant's Registration Statement on Form F-3 (Reg. No.333-05972), in the
Registrant's Registration Statement on Form S-8 (Reg. No.333-8362)
SCHEDULE 10
NOTIFICATION OF MAJOR INTERESTS IN SHARES
1. Name of company
COLT Telecom Group plc
2. Name of shareholder having a major interest
Orbis Investment Management Limited
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
4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them
Orbis Global Equity Fund Limited 74,631,071
Orbis Optimal Global Fund, L.P 1,110,541
Orbis SICAV Global Equity Fund 4,689,867
Orbis Optimal SA Fund Limited 2,874,271
G.A.-Fund-L 1,800,696
Orbis MIS-Orbis Global Equity Fund 1,535,186
5. Number of shares / amount of stock acquired
6. Percentage of issued class
7. Number of shares / amount of stock disposed
8. Percentage of issued class
9. Class of security
Ordinary
10. Date of transaction
11. Date company informed
15 November 2005
12. Total holding following this notification
86,641,632
13. Total percentage holding of issued class following this notification
5.73
14. Any additional information
15. Name of contact and telephone number for queries
Gill Maclean +44 20 7863 5314
16. Name and signature of authorised company official responsible for making
this notification
Caroline Griffin Pain
Date of notification
16 NOVEMBER 2005
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 Current Report on Form-6K to be signed on its
behalf by undersigned, thereunto duly authorized.
Date: 16 November 2005 COLT Telecom Group plc
By: ___Jane Forrest___
Jane Forrest
Company Secretary