He is the 10th richest person in Southeast Asia and the 321 in the world in 2005 according to Forbes magazine, with a fortune of 2.3 billion U.S. dollars. Earlier, in 2004, he was in the 8th position with a fortune of 2.2 billion U.S. dollars. His eldest brother Michael Bambang Hartono Oei Hwie aka Spot.
On 23 November 2011, Forbes released a list of the richest people in Indonesia, Robert Budi Hartono and Michael Hartono ranked first with a total wealth of $ 14 billion.
In July 2007, Globe Asia magazine stated Robert Indonesia's richest man with a fortune of 4.2 billion dollars, or about 37.8 trillion rupiah.
Besides Djarum, Robert and Michael is the largest shareholder in Bank Central Asia (BCA). They both via Farindo Holding Ltd.. BCA 51 percent stake. In addition, they also have an area of 65,000 hectares of oil palm plantations in West Kalimantan since 2008, and the number of properties in which the owner of Grand Indonesia and electronics companies.
