LONDON (Dow Jones)--Artilium PLC (ARTA.LN) said Wednesday that Lanstead Capital has reduced its holding in the company to 5.9 million voting rights or 6.55%. -Shares at 0927 GMT down 0.3 pence, or 2.2%, at 11.0 pence. -By Iain Packham, Dow Jones Newswires; 44-20-7842-9269; [email protected] (END) Dow Jones Newswires June 30, 2010 05:28 ET (09:28 GMT)