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 29 August, 2006 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 29 August, 2006 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 Account Designation Holding BANK OF IRELAND 426353 1,049,452 BANK OF IRELAND 426360 95,432 BANK OF NEW YORK 592,013 Barclays Bank PLC (Singapore) 3,700 BARCLAYS CAPITAL NOMINEES LIMITED 6,101,332 BARCLAYS CAPITAL NOMINEES LIMITED 317,698,100 BARCLAYS CAPITAL NOMINEES LIMITED 146,000 Barclays Global Investors Canada 596,194 Barclays Trust Co & Others 39,996 BARCLAYS TRUST CO AS EXEC/ADM C 000000000000000000 1,145 Barclays Trust Co DMC69 C 000000000000000000 83,788 Barclays Trust Co E99 C 000000000000000000 2,607 Barclays Trust Co R69 C 000000000000000000 177,236 BNP PARIBAS 601,646 CHASE NOMINEES LTD 16376 4,057,629 CHASE NOMINEES LTD 20947 62,180,487 CHASE NOMINEES LTD 21359 3,206,919 CHASE NOMINEES LTD 28270 2,735,867 CHASE NOMINEES LTD 28270 1,031,669 CIBC MELLON GLOBAL SECURITIES 460,459 Clydesdale Nominees HGB0125 32419001 1,725 Clydesdale Nominees HGB0125 59441401 28,085 Clydesdale Nominees HGB0125 59477501 730 Clydesdale Nominees HGB0125 100227401 1,252 Gerrard Nominees Limited 605704 1,600 Gerrard Nominees Limited 607486 1,040 Gerrard Nominees Limited 608459 650 Gerrard Nominees Limited 611717 7,000 Gerrard Nominees Limited 617906 4,000 Gerrard Nominees Limited 620404 1,010 Gerrard Nominees Limited 631118 24,600 Gerrard Nominees Limited 633484 1,040 Gerrard Nominees Limited 635860 3,200 Gerrard Nominees Limited 637739 1,350 Gerrard Nominees Limited 642686 1,530 Gerrard Nominees Limited 643975 13,200 Gerrard Nominees Limited 647291 2,700 Gerrard Nominees Limited 650668 5,200 Gerrard Nominees Limited 652198 14,500 Gerrard Nominees Limited 654151 3,500 Gerrard Nominees Limited 658574 3,150 Gerrard Nominees Limited 658729 1,950 Gerrard Nominees Limited 659442 2,750 Gerrard Nominees Limited 659645 2,600 Gerrard Nominees Limited 660302 6,500 Gerrard Nominees Limited 660318 88,000 Gerrard Nominees Limited 660632 2,000 Gerrard Nominees Limited 660758 33,000 Gerrard Nominees Limited 660851 26,000 Gerrard Nominees Limited 768557 24,350 Gerrard Nominees Limited 770101 26,500 Gerrard Nominees Limited 774125 750 Gerrard Nominees Limited 774160 3,600 Gerrard Nominees Limited 777488 1,550 Gerrard Nominees Limited 777546 650 Gerrard Nominees Limited 781271 17,500 Greig Middleton Nominees Limited (GM1) 3,264,833 Greig Middleton Nominees Ltd (GM3) 126066DA 3,400 Greig Middleton Nominees Ltd (GM3) 220805DN 542,500 Greig Middleton Nominees Ltd (GM3) 523475DN 1,000,000 INVESTORS BANK AND TRUST CO. 8,553,181 INVESTORS BANK AND TRUST CO. 131,957 INVESTORS BANK AND TRUST CO. 40,543,718 INVESTORS BANK AND TRUST CO. 949,820 INVESTORS BANK AND TRUST CO. 23,145,165 INVESTORS BANK AND TRUST CO. 120,375 INVESTORS BANK AND TRUST CO. 772,319 INVESTORS BANK AND TRUST CO. 2,656,179 INVESTORS BANK AND TRUST CO. 9,842,411 INVESTORS BANK AND TRUST CO. 158,040 INVESTORS BANK AND TRUST CO. 3,253,787 INVESTORS BANK AND TRUST CO. 1,425,520 INVESTORS BANK AND TRUST CO. 800,354 INVESTORS BANK AND TRUST CO. 65,963 INVESTORS BANK AND TRUST CO. 21,805,095 INVESTORS BANK AND TRUST CO. 580,944 INVESTORS BANK AND TRUST CO. 238,500 INVESTORS BANK AND TRUST CO. 2,558,665 INVESTORS BANK AND TRUST CO. 2,140,425 INVESTORS BANK AND TRUST CO. 672,804 JP MORGAN (BGI CUSTODY) 16331 2,067,206 JP MORGAN (BGI CUSTODY) 16338 504,571 JP MORGAN (BGI CUSTODY) 16341 2,408,169 JP MORGAN (BGI CUSTODY) 16341 4,549,056 JP MORGAN (BGI CUSTODY) 16342 1,070,744 JP MORGAN (BGI CUSTODY) 16344 797,532 JP MORGAN (BGI CUSTODY) 16345 1,338,176 JP MORGAN (BGI CUSTODY) 16400 63,607,143 JP MORGAN (BGI CUSTODY) 17011 142,657 JP MORGAN (BGI CUSTODY) 18409 6,405,021 JPMORGAN CHASE BANK 741,592 JPMORGAN CHASE BANK 3,821,463 JPMORGAN CHASE BANK 273,739 JPMorgan Chase Bank 338,039 JPMorgan Chase Bank 367,571 JPMorgan Chase Bank 332,469 JPMorgan Chase Bank 82,684 JPMorgan Chase Bank 2,716,589 JPMorgan Chase Bank 2,766,699 JPMorgan Chase Bank 1,189,437 JPMorgan Chase Bank 509,623 JPMorgan Chase Bank 85,799 JPMorgan Chase Bank 896,766 JPMorgan Chase Bank 70,134 JPMorgan Chase Bank 285,731 JPMorgan Chase Bank 4,555,829 JPMorgan Chase Bank 1,128,806 JPMorgan Chase Bank 67,783 JPMorgan Chase Bank 230,826 JPMorgan Chase Bank 431,755 JPMorgan Chase Bank 285,269 JPMorgan Chase Bank 1,213,479 JPMorgan Chase Bank 824,755 JPMorgan Chase Bank 78,398 Master Trust Bank 399,929 Mellon Trust - US CUSTODIAN / 336,763 Mellon Trust - US CUSTODIAN / 1,040,139 MELLON TRUST OF NEW ENGLAND 626,567 Mitsubishi Trust International 261,380 Mitsui Asset 139,141 NORTHERN TRUST BANK - BGI SEPA 1,301,973 NORTHERN TRUST BANK - BGI SEPA 335,882 NORTHERN TRUST BANK - BGI SEPA 1,558,269 R C Greig Nominees Limited 13,656,399 R C Greig Nominees Limited a/c AK1 4,212,850 R C Greig Nominees Limited a/c BL1 1,156,568 R C Greig Nominees Limited a/c CM1 405,349 R C Greig Nominees Limited GP1 2,057,521 R C Greig Nominees Limited SA1 786,650 Reflex Nominees Limited 10,893 Reflex Nominees Limited 4,025 STATE STREET BANK & TRUST - WI 1,189,520 STATE STREET BANK AND TRUST CO 46,800 STATE STREET BOSTON 1,120,955 STATE STREET BOSTON 4,325,300 STATE STREET TRUST OF CANADA - 1,059,364 The Northern Trust Company - U 745,083 Trust & Custody Services Bank 4,975 Trust & Custody Services Bank 84,144 ZEBAN NOMINEES LIMITED 706,602 Total 670,204,939 5) Number of shares/amount of stock acquired Total holding of 670,204,939 shares 6) Percentage of issued class 8.05% 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 29 August 2006 12) Total holding following this notification Total holding of 670,204,939 shares 13) Total percentage holding of issued class following this notification 8.05% 14) Any additional information This notification updates the previous notification dated 9 August 2006 and is a result of the reduction in the total holding of Barclays plc from 836,615,916 to 670,204,939 shares. 15) Name of contact and telephone number for queries Alan Scott, 020 7356 5162 16) Name of authorised company official responsible for making this notification Alan Scott, 020 7356 5162 Date of notification 29 August 2006 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. Date 29 August, 2006