NEW YORK ( TheStreet) -- Citigroup ( C) raised its stake to 50% in the holding company for Banco de Chile. Citigroup has invested at least $1 billion in LQ Inversiones Financieras over the last two months, increasing its stake to 50% from 32.96%. Citigroup on Monday paid about $520 million for an 8.52% stake in LQ. Banco de Chile is controlled by the Luksic family through LQ. Citigroup's indirect stake in Banco de Chile is now about 30%, according to Reuters. Follow TheStreet.com on Twitter and become a fan on Facebook.