The Study of Investment Portfolio Management and Sustainability of Property and Real Estate Companies in Indonesia Stock Exchange

Investment management emphasizes the importance of diversification through portfolio. The portfolio of financial assets is often studied. The study aims to analyze the property portfolio and sustainability in real assets. The population are property and real estate companies which are registered in Indonesia Stock Exchange. The research findings show that the highest expected return is obtained from the asset enhancements and the lowest is from hospitality services and infrastructures. At 5% alpha we found that property portfolio and sustainability are influenced by the company size. Inventories of property and investment properties are positively and significantly related to the corporate performance.