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 25 May, 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 25 May 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 1,211,459 BARCLAYS CAPITAL NOMINEES LIMITED 2,753,069 Barclays Trust Co & others 29,529 BARCLAYS TRUST CO AS EXEC/ADM 9,936 Barclays Trust Co DMC69 76,913 Barclays Trust Co E99 1,545 Barclays Trust Co R69 174,931 BNP PARIBAS 160,393 Chase Nominees - 16376 4,874,685 Chase Nominees - 20947 8,346,870 Chase Nominees - 21359 2,199,117 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 - 00694487 22,500 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 - 00639213 5,200 INVESTORS BANK AND TRUST CO. 2,366,948 INVESTORS BANK AND TRUST CO. 96,927 INVESTORS BANK AND TRUST CO. 635,239 INVESTORS BANK AND TRUST CO. 11,008,468 INVESTORS BANK AND TRUST CO. 43,292 INVESTORS BANK AND TRUST CO. 88,985 INVESTORS BANK AND TRUST CO. 62,856 INVESTORS BANK AND TRUST CO. 1,998,552 INVESTORS BANK AND TRUST CO. 66,730 INVESTORS BANK AND TRUST CO. 1,586,493 INVESTORS BANK AND TRUST CO. 121,706 INVESTORS BANK AND TRUST CO. 343,077 INVESTORS BANK AND TRUST CO. 1,886,318 INVESTORS BANK AND TRUST CO. 4,648,909 INVESTORS BANK AND TRUST CO. 43,262,350 INVESTORS BANK AND TRUST CO. 248,110 INVESTORS BANK AND TRUST CO. 1,633,080 INVESTORS BANK AND TRUST CO. 121,941 INVESTORS BANK AND TRUST CO. 1,855,440 INVESTORS BANK AND TRUST CO. 15,829,500 JP Morgan (BGI Custody) - 16331 2,771,401 JP Morgan (BGI Custody) - 16338 506,697 JP Morgan (BGI Custody) - 16341 5,022,376 JP Morgan (BGI Custody) - 16341 2,240,617 JP Morgan (BGI Custody) - 16342 1,056,845 JP Morgan (BGI Custody) - 16344 800,687 JP Morgan (BGI Custody) - 16345 1,355,444 JP Morgan (BGI Custody) - 16400 91,291,703 JP Morgan (BGI Custody) - 17011 140,542 JP Morgan (BGI Custody) - 18409 6,432,146 JPMORGAN CHASE BANK 1,158,833 JPMORGAN CHASE BANK 1,833,745 JPMORGAN CHASE BANK 135,007 JPMorgan Chase Bank 926,824 JPMorgan Chase Bank 85,082 JPMorgan Chase Bank 72,016 JPMorgan Chase Bank 362,788 JPMorgan Chase Bank 290,694 JPMorgan Chase Bank 1,196,912 JPMorgan Chase Bank 4,608,626 JPMorgan Chase Bank 459,750 JPMorgan Chase Bank 1,472,423 JPMorgan Chase Bank 89,386 JPMorgan Chase Bank 915,474 JPMorgan Chase Bank 1,092,804 JPMorgan Chase Bank 127,760 JPMorgan Chase Bank 203,460 JPMorgan Chase Bank 163,422 JPMorgan Chase Bank 814,338 JPMorgan Chase Bank 572,757 JPMorgan Chase Bank 263,426 Master Trust Bank 219,920 Mellon Trust - Boston 241,921 Mellon Trust - Boston & SF 1,180,831 MELLON TRUST OF NEW ENGLAND 301,630 Mitsubishi Trust International 57,199 Mitsubishi Trust International 166,347 NORTHERN TRUST BANK - BGI SEPA 79,262 NORTHERN TRUST BANK - BGI SEPA 324,300 NORTHERN TRUST BANK - BGI SEPA 383,233 R C Greig Nominees BL1 1,318,588 R C Greig Nominees CM1 435,853 R C Greig Nominees GP1 2,186,473 R C Greig Nominees SA1 648,315 Reflex Nominees Limited 14,542 Reflex Nominees Limited 2,296 State Street 45,374 State Street 147,534 STATE STREET BOSTON 5,996,296 STATE STREET BOSTON 740,315 Sumitomo TB 77,686 Wells Fargo Seattle - Wire Ban 145, 806 ZEBAN NOMINEES LIMITED 358,078 TOTAL HOLDING 251,677,953 5) Number of shares/amount of stock acquired Total holding of 251,677,953 shares 6) Percentage of issued class 2.96% 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 25 May 2005 12) Total holding following this notification Total holding of 251,677,953 shares 13) Total percentage holding of issued class following this notification 2.96% 14) Any additional information This notification updates the previous notification dated 7 May 2004 and is a result of the reduction in the total holding of Barclays plc from 352,615,609 to 251,677,953 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 25 May 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: 25 May 2005