Opus Global is a Hungarian industrial conglomerate and asset management company, headquartered in Budapest, Hungary. Opus Global's subsidiaries play a significant role in Hungary's strategically important industries. Opus Global has a primary listing on the Budapest Stock Exchange and is a constituent of the BUX Index. Since 2018, Opus Global has been a continuous member of the MSCI Emerging Markets Small Cap, and MSCI ACWI Small Cap indexes, and also member of the Vienna Stock Exchange's CECE index. Wikipedia