IOI Corporation shareholders on 3 April 2009
| Progressive Holdings Sdn.Bhd. | 1 RM 1.2 billion |
| Employees Provident Fund | 2 RM 287.9 million |
| JPMorgan Chase Bank Berhad | 3 RM 85.6 million |
| Annhow Holdings Sdn.Bhd. | 4 RM 82.1 million |
| Narisa Heights Investments Ltd. | 5 RM 77.3 million |
| Westmead Holdings Ltd | 6 RM 64.8 million |
| First State Asia Pacific Leader Fund | 7 RM 55.4 million |
| Nagawan Development Sdn.Bhd. | 8 RM 50.8 million |
| Government of Singapore | 9 RM 49.1 million |
| Tan Sri Dato' Lee Shin Cheng | 10 RM 39.7 million |
| The Genesis Emerging Markets Investment Company | 11 RM 39.5 million |
| Great Eastern Life Assurance Berhad | 12 RM 33.3 million |
| Rickoh Holdings Sdn.Bhd. | 13 RM 33.1 million |
| Happy Palace Investment Ltd. | 14 RM 31.6 million |
| American International Assurance | 15 RM 31.5 million |
| The State Teachers Retirement System Of Ohio | 16 RM 25.5 million |
| Acadian Emerging Markets Equity Fund | 17 RM 23.6 million |
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