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 08 September, 2005 BT Group plc (Translation of registrant's name into English) BT Centre 81 Newgate Street London EC1A 7AJ England (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- ________ Enclosures: 1. Holding(s) in Company announcement made on 08 September, 2005 SCHEDULE 10 NOTIFICATION OF MAJOR INTERESTS IN SHARES 1) Name of company BT Group plc 2) Name of shareholder having a major interest Barclays 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 Total holding of the above shareholder 4) Name of the registered holder(s) and, if more than one holder, the number of shares held by each of them Registered holder number of shares BARCLAYS CAPITAL NOMINEES LIMITED 4,055,144 Barclays Capital Securities Limited 9 Barclays Capital Securities Limited 1,628 Barclays Global Investors Canada 257,464 Barclays Trust Co & others 40,907 BARCLAYS TRUST CO AS EXEC/ADM 10,183 Barclays Trust Co DMC69 83,788 Barclays Trust Co E99 9,444 Barclays Trust Co R69 168,353 BNP PARIBAS 377,354 Chase Nominees - 16376 4,625,714 Chase Nominees - 20947 64,990,465 Chase Nominees - 21359 2,966,931 Chase Nominees - 28270 1,321,607 Chase Nominees - 28270 3,222,502 CIBC Mellon Global Securities 212,751 Clydesdale Nominees HGB0125 - 00324190 1,725 Clydesdale Nominees HGB0125 - 00496994 15,300 Clydesdale Nominees HGB0125 - 00520518 845 Clydesdale Nominees HGB0125 - 00594414 14,000 Clydesdale Nominees HGB0125 - 00594775 730 Clydesdale Nominees HGB0125 - 00693013 2,300 Clydesdale Nominees HGB0125 - 00694478 27,820 Clydesdale Nominees HGB0125 - 00697763 8,820 Clydesdale Nominees HGB0125 - 00703310 2,750 Clydesdale Nominees HGB0125 - 01001464 1,300 Clydesdale Nominees HGB0125 - 03102406 1,245 Clydesdale Nominees HGB0125 - 03105944 1,385 Clydesdale Nominees HGB0225 - 00597278 15,000 Cydesdale Nominees HGB0225 - 00639213 5,200 Gerrard Nominees Limited - ER1 443,947 Greig Middleton Nominees Ltd - GM1 3,010,380 Greig Middleton Nominees Ltd - GM3 1,673,300 INVESTORS BANK AND TRUST CO. 337,690 INVESTORS BANK AND TRUST CO. 2,498,227 INVESTORS BANK AND TRUST CO. 9,780,037 INVESTORS BANK AND TRUST CO. 76,176 INVESTORS BANK AND TRUST CO. 43,265,157 INVESTORS BANK AND TRUST CO. 90,594 INVESTORS BANK AND TRUST CO. 426,090 INVESTORS BANK AND TRUST CO. 2,322,306 INVESTORS BANK AND TRUST CO. 625,147 INVESTORS BANK AND TRUST CO. 1,524,904 INVESTORS BANK AND TRUST CO. 4,037,074 INVESTORS BANK AND TRUST CO. 72,092 INVESTORS BANK AND TRUST CO. 10,441,054 INVESTORS BANK AND TRUST CO. 88,608 INVESTORS BANK AND TRUST CO. 126,722 INVESTORS BANK AND TRUST CO. 241,773 INVESTORS BANK AND TRUST CO. 1,606,740 INVESTORS BANK AND TRUST CO. 1,607,536 INVESTORS BANK AND TRUST CO. 17,003,772 JP Morgan (BGI Custody) - 16331 2,514,313 JP Morgan (BGI Custody) - 16338 507,646 JP Morgan (BGI Custody) - 16341 2,269,407 JP Morgan (BGI Custody) - 16341 4,533,733 JP Morgan (BGI Custody) - 16342 1,047,013 JP Morgan (BGI Custody) - 16344 828,738 JP Morgan (BGI Custody) - 16345 1,393,084 JP Morgan (BGI Custody) - 16400 85,216,680 JP Morgan (BGI Custody) - 17011 143,285 JP Morgan (BGI Custody) - 18409 6,091,523 JPMORGAN CHASE BANK 1,198,288 JPMORGAN CHASE BANK 240,886 JPMORGAN CHASE BANK 1,132,752 JPMorgan Chase Bank 904,469 JPMorgan Chase Bank 32,287 JPMorgan Chase Bank 246,389 JPMorgan Chase Bank 82,582 JPMorgan Chase Bank 68,046 JPMorgan Chase Bank 4,491,945 JPMorgan Chase Bank 154,952 JPMorgan Chase Bank 352,807 JPMorgan Chase Bank 1,465,866 JPMorgan Chase Bank 1,479,392 JPMorgan Chase Bank 1,732,069 JPMorgan Chase Bank 756,527 JPMorgan Chase Bank 85,437 JPMorgan Chase Bank 1,016,158 JPMorgan Chase Bank 555,995 JPMorgan Chase Bank 25,428 JPMorgan Chase Bank 127,760 JPMorgan Chase Bank 237,217 JPMorgan Chase Bank 178,552 JPMorgan Chase Bank 170,218 JPMorgan Chase Bank 1,247,827 JPMorgan Chase Bank 261,726 Master Trust Bank 243,953 Mellon Trust - US CUSTODIAN 522,231 Mellon Trust - US CUSTODIAN 1,163,000 MELLON TRUST OF NEW ENGLAND 618,394 Mitsubishi Trust International 159,359 Mitsubishi Trust International 57,351 NORTHERN TRUST BANK - BGI SEPA 794,180 NORTHERN TRUST BANK - BGI SEPA 181,273 NORTHERN TRUST BANK - BGI SEPA 688,224 R C Greig Nominees RC1 14,565,979 R C Greig Nominees AK1 5,039,523 R C Greig Nominees BL1 1,287,313 R C Greig Nominees CM1 451,941 R C Greig Nominees GP1 2,091,997 R C Greig Nominees SA1 703,655 Reflex Nominees Limited 14,542 Reflex Nominees Limited 2,296 Royal Trust - Toronto 127,900 State Street 139,851 STATE STREET BOSTON 658,457 STATE STREET BOSTON 5,164,220 STATE STREET TRUST OF CANADA 243,244 Sumitomo TB 77,686 ZEBAN NOMINEES LIMITED 152,698 TOTAL HOLDING 341,682,254 5) Number of shares/amount of stock acquired Total holding of 341,682,254 shares 6) Percentage of issued class 4.03% 7) Number of shares/amount of stock disposed N/A 8) Percentage of issued class- N/A 9) Class of security Ordinary shares of 5p in BT Group plc 10) Date of transaction n/a 11) Date company informed 7 September 2005 12) Total holding following this notification Total holding of 341,682,254 shares 13) Total percentage holding of issued class following this notification 4.03% 14) Any additional information This notification updates the previous notification dated 20 June 2005 and is a result of the increase in the total holding of Barclays plc from 255,878,847 to 341,682,254 shares. 15) Name of contact and telephone number for queries John Challis, 020 7356 4086 16) Name of authorised company official responsible for making this notification John Challis, 020 7356 4086 Date of notification 8 September 2005 End 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. BT Group PLC (Registrant) By: /s/ Patricia Day -------------------- Patricia Day, Assistant Secretary. Head of Shareholder Services Date 08 September, 2005