Investment AB Spiltan acquired 6% stake in Byggmästare Anders J Ahlström Holding AB (publ) (OM:AJA B) on February 20, 2019. Investment AB Spiltan completed the acquisition of 6% stake in Byggmästare Anders J Ahlström Holding AB (publ) (OM:AJA B) on February 20, 2019.