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 20 June, 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 20 June 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 Bank of Ireland 1,206,577 BARCLAYS CAPITAL NOMINEES LIMITED 8,885,068 Barclays Trust Co & others 37,649 BARCLAYS TRUST CO AS EXEC/ADM 9,897 Barclays Trust Co DMC69 76,913 Barclays Trust Co E99 3,255 Barclays Trust Co R69 173,281 BNP PARIBAS 162,082 Chase Nominees - 16376 4,874,685 Chase Nominees - 20947 8,496,839 Chase Nominees - 21359 2,253,871 CIBC Mellon Global Securities 94,168 Clydesdale Nominees HGB0125 - 00324190 1,725 Clydesdale Nominees HGB0125 - 00496994 15,300 Clydesdale Nominees HGB0125 - 00594414 14,000 Clydesdale Nominees HGB0125 - 00594775 730 Clydesdale Nominees HGB0125 - 00693013 2,300 Clydesdale Nominees HGB0125 - 00693196 5,320 Clydesdale Nominees HGB0125 - 00694478 22,500 Clydesdale Nominees HGB0125 - 00697663 8,820 Clydesdale Nominees HGB0125 - 00703310 2,750 Clydesdale Nominees HGB0125 - 01001464 1,300 Clydesdale Nominees HGB0125 - 03101361 1,385 Clydesdale Nominees HGB0125 - 03102406 1,245 Cydesdale Nominees HGB0225 - 00597278 15,000 Cydesdale Nominees HGB0225 - 00639213 5,200 INVESTORS BANK AND TRUST CO. 1,623,777 INVESTORS BANK AND TRUST CO. 344,930 INVESTORS BANK AND TRUST CO. 631,363 INVESTORS BANK AND TRUST CO. 10,438,489 INVESTORS BANK AND TRUST CO. 43,292 INVESTORS BANK AND TRUST CO. 88,985 INVESTORS BANK AND TRUST CO. 1,916,009 INVESTORS BANK AND TRUST CO. 1,904,872 INVESTORS BANK AND TRUST CO. 93,074 INVESTORS BANK AND TRUST CO. 2,341,211 INVESTORS BANK AND TRUST CO. 66,730 INVESTORS BANK AND TRUST CO. 42,855,447 INVESTORS BANK AND TRUST CO. 4,792,550 INVESTORS BANK AND TRUST CO. 1,831,005 INVESTORS BANK AND TRUST CO. 15,531,714 INVESTORS BANK AND TRUST CO. 241,773 INVESTORS BANK AND TRUST CO. 1,633,080 INVESTORS BANK AND TRUST CO. 121,671 JP Morgan (BGI Custody) - 16331 2,722,628 JP Morgan (BGI Custody) - 16338 506,697 JP Morgan (BGI Custody) - 16341 4,882,838 JP Morgan (BGI Custody) - 16341 2,240,617 JP Morgan (BGI Custody) - 16342 1,056,845 JP Morgan (BGI Custody) - 16344 805,807 JP Morgan (BGI Custody) - 16345 1,361,699 JP Morgan (BGI Custody) - 16400 92,217,903 JP Morgan (BGI Custody) - 17011 140,542 JP Morgan (BGI Custody) - 18409 6,225,884 JPMORGAN CHASE BANK 499,935 JPMORGAN CHASE BANK 1,451,237 JPMorgan Chase Bank 915,474 JPMorgan Chase Bank 127,760 JPMorgan Chase Bank 192,152 JPMorgan Chase Bank 87,043 JPMorgan Chase Bank 814,338 JPMorgan Chase Bank 1,092,804 JPMorgan Chase Bank 163,422 JPMorgan Chase Bank 550,039 JPMorgan Chase Bank 219,228 JPMorgan Chase Bank 1,696,550 JPMorgan Chase Bank 270,828 JPMorgan Chase Bank 1,127,364 JPMorgan Chase Bank 68,046 JPMorgan Chase Bank 1,185,495 JPMorgan Chase Bank 135,007 JPMorgan Chase Bank 4,479,704 JPMorgan Chase Bank 82,582 JPMorgan Chase Bank 354,664 JPMorgan Chase Bank 902,168 JPMorgan Chase Bank 258,657 Master Trust Bank 219,920 Mellon Trust - Boston & SF 1,153,621 Mellon Trust - Boston & SF 241,921 MELLON TRUST OF NEW ENGLAND 304,877 Mitsubishi Trust International 55,772 Mitsubishi Trust International 166,347 NORTHERN TRUST BANK - BGI SEPA 79,262 NORTHERN TRUST BANK - BGI SEPA 330,801 NORTHERN TRUST BANK - BGI SEPA 387,537 R C Greig Nominees BL1 1,302,159 R C Greig Nominees CM1 444,718 R C Greig Nominees GP1 2,154,226 R C Greig Nominees SA1 667,499 Reflex Nominees Limited 14,542 Reflex Nominees Limited 2,296 State Street 5,394 State Street 144,413 STATE STREET BOSTON 725,474 STATE STREET BOSTON 5,494,449 STATE STREET TRUST OF CANADA 110,066 Sumitomo TB 77,686 ZEBAN NOMINEES LIMITED 88,078 TOTAL HOLDING 255,878,847 5) Number of shares/amount of stock acquired Total holding of 255,878,847 shares 6) Percentage of issued class 3.01% 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 17 June 2005 12) Total holding following this notification Total holding of 255,878,847 shares 13) Total percentage holding of issued class following this notification 3.01% 14) Any additional information This notification updates the previous notification dated 25 May 2005 and is a result of the increase in the total holding of Barclays plc from 251,677,953 to 255,878,847 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 20 June 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: 20 June, 2005