RNS Number:9860K
Horizon Technology Group PLC
12 May 2003

Horizon Technology Group Plc



12 May 2003



Re: Holding in Company





A Letter from Gartmore Investment Management Limited dated 07 May 2003 to
Horizon Technology Group Plc, received by Horizon Technology Group Plc on the 08
May 2003.



We, Gartmore Investment Limited (GIL), Gartmore Fund Managers Limited (GFM) and
Gartmore Global Partners (GGP), write to advise you pursuant to Section 67 of
the Irish Companies Act 1990, that we have increased our reportable interest in
your company by virtue of a purchase of 195,000 shares on 14th  February 2003
and 37,125 sahres in 18 February 2003.  We apologise for the late disclosure of
these trades due to a combination of human error and system failure.



1.      This notification relates to the ordinary EUR0.07 share capital of
Horizon Technology Group Plc:



2.      The identities of the beneficial holders of these shares and the number
of shares held by each holder, so far as is known at the date of this
notification, are shown on the attached schedule.

3.      The percentages quoted on the attached schedule are based on your issued
share capital of 67,935,470 shares, as advised to us by Extel Financial Limited.





Alan Buddles

Head of Restrictions and Disclosures Unit

Gartmore Investment Limited





Current Holdings by Fund Manager



Security: Horizon Technology Group Plc Ord EURO 07(UK-EX)


Fund         Number of    Issued Share % of Issue UK Registered Fund        Beneficial Owner
Managing Co. Shares Held  Capital      Capital    Owner
Gartmore     3,463,753                 5.10%      Citibank      56690       Gartmore Fund Managers
Fund                                              London                    Limited A/C Gartmore
Managers                                                                    UK & Irish Smaller
Limited                                                                     Companies Strategy
                                                                            Fund
Gartmore     5,751                     0.01%      VIDACOS       GMESF       Gartmore Fund Managers
Fund                                              Nominees                  Limited A/C Gartmore
Managers                                          Limited G A/C             Managed Equity
Limited                                                                     Straregy Fund
Gartmore     110,151                   0.16%      VIDACOS       GLIBSF      Gartmore Fund Managers
Fund                                              Nominees                  A/C Gartmore Longterm
Managers                                          Limited  G A/C             Balanced Strategy Fund
Limited                                           
             3,579,655                 5.27%
Gartmore     525,142                   0.77%      BNY GIL CLT A GAGIG       Gartmore Absolute
Investment                                        /C Noms Ltd A             Growth and Income
Limited                                           /C GAGIG                  Trust Plc (Growth)
Gartmore     3,500,000                 5.15%      BNY Nominees  56550       Gartmore Irish  Growth
Investment                                        Ltd A/C                   Fund Plc
Limited                                           367306
Total        7,604,797    67,935,470   11.19%











This announcement has been issued through the Companies Announcement Service of

                           the Irish Stock Exchange.








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