IOI Corporation shareholders on 27 March 2009
| Progressive Holdings Sdn.Bhd. | 1 RM 1.1 billion |
| Employees Provident Fund | 2 RM 279.4 million |
| JPMorgan Chase Bank Berhad | 3 RM 83.1 million |
| Annhow Holdings Sdn.Bhd. | 4 RM 79.7 million |
| Narisa Heights Investments Ltd. | 5 RM 75.1 million |
| Westmead Holdings Ltd | 6 RM 62.9 million |
| First State Asia Pacific Leader Fund | 7 RM 53.8 million |
| Nagawan Development Sdn.Bhd. | 8 RM 49.3 million |
| Government of Singapore | 9 RM 47.6 million |
| Tan Sri Dato' Lee Shin Cheng | 10 RM 38.6 million |
| The Genesis Emerging Markets Investment Company | 11 RM 38.3 million |
| Great Eastern Life Assurance Berhad | 12 RM 32.3 million |
| Rickoh Holdings Sdn.Bhd. | 13 RM 32.1 million |
| Happy Palace Investment Ltd. | 14 RM 30.7 million |
| American International Assurance | 15 RM 30.5 million |
| The State Teachers Retirement System Of Ohio | 16 RM 24.8 million |
| Acadian Emerging Markets Equity Fund | 17 RM 22.9 million |
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