RNS Number:2310R
Horizon Technology Group PLC
23 October 2003

Horizon Technology Group Plc



23 October 2003



Re: Holding in Company





A Letter from Gartmore Investment Management Plc dated 20th October 2003 to
Horizon Technology Group Plc, received by Horizon Technology Group Plc on the
23rd October 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 825,000 shares on 15th October 2003.



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 68,154,512 shares, as advised to us by Extel Financial Limited.





Alan Buddles
Head of Restrictions and Disclosures Unit
Gartmore Investment Management Plc




Current Holdings by Fund Manager



Security: Horizon Technology Group Plc Ord EURO 07(UKEX)


Fund           Number of     Issued Share   Percentage   Fund      Beneficial Owner
Managing Co.   Shares Held   Capital        of Issue
                                            Capital

Gartmore       3,463,753                    5.082%       56690    Gartmore Fund
Fund                                                              Managers Ltd A/C
Managers                                                          Gartmore UK & Irish
Limited                                                           Smaller Companies
                                                                  Strategy Fund
               3,463,753                    5.082%

Gartmore        525,142                     0.771%       GAGIG    Gartmore Absolute
Investment                                                        Growth and Income
Limited                                                           Trust plc (Growth)

Gartmore       4,825,000                    7.080%       56550    Gartmore Irish
Investment                                                        Growth Fund plc
Limited
               5,350,142                    7.850%
               8,813,895     68,154,512     12.932%







This announcement has been issued through the Companies Announcement Service of
                           the Irish Stock Exchange.








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