January 3 (SeeNews) - Bosnian real estate company SBL Invest Banja Luka has entered the ownership structure of its local peer Matex [BLSE:MATE] by acquiring a 9.34% stake for 506,057 marka ($266,401/258,742 euro), a list of transactions carried out on the Banja Luka Stock Exchange (BLSE) showed.