Over the years, he sold other businesses accumulated by him during the privatization era in Russia, investing the proceeds in the Russian stock market. He has also interests in hotels, including Hotel Lux, and in a Russian chain of drugstores called "Doctor Stoletov". He is also redeveloping a former factory in downtown Moscow into a deluxe housing project, the first blocks of which are to be completed by 2012. In March 2010, Ivanishvili ranked 173 in 2010 Forbes List of Billionaires, with a reported net worth of US$4.8 billion. The following year he ranked 185 in the 2011 Forbes List with a reported net worth of US$5.5 billion. In March 2012, he ranked 153 in the 2012 Forbes List with a reported net worth of US$6.4 billion; with his total net worth equaling one third of Georgia's Gross Domestic Product. In April 2012, Ivanishvili established the Georgian Dream–Democratic Georgia party with the intention to challenge the ruling United National Movement in the parliamentary election scheduled for October 2012. The Georgian Dream coalition was composed of the Republican Party of Georgia, Our Georgia – Free Democrats, the National Forum, the Conservative Party of Georgia and the Industry Will Save Georgia party. The head of the latter party publicly acknowledged in April 2012 that he doesn't share all of Ivanishvili's views on foreign policy, especially when it comes to joining NATO. On 25 October 2012, he was elected as the prime minister of Georgia. During this period, the state Universal Healthcare Program came into force (making emergency surgeries and childbirth free of charge), the reform of the system of self-governance was initiated and the project on rescuing the villages was developed. In 2018, Ivanishvili returned to politics and was re-elected as the chairman of the Georgian Dream-Democratic Georgia party. Bidzina Ivanishvili, together with his wife Ekaterine Khvedelidze, founded the Cartu International Charity Foundation in 1995. The Ivanishvili family is the only donor of the foundation. The following projects were implemented with the finances of the foundation:  A Thorough overhaul of Z. Paliashvili Georgian National Opera and Ballet Theatre of Tbilisi, Shota Rustaveli, K. Marjanishvili, M. Tumanishvili, and A. Groboyedov drama theatres, the Music and Drama Theatre, the Young Spectators' Theatre, the Puppet Theatre, the Tbilisi Philharmonic, and J. Kakhidze Music and Cultural Centre.