Author(s): Sumiati
This research aim is to examine the effect of intellectual capital on company performance. This research reveals a hidden factor to causes a gap between market value and book value. The hidden factor is identified as intellectual capital measured by value added intellectual coefficient. The independent variables are human capital efficiency, structural capital efficiency, and capital employed efficiency as the proxy of intellectual value added. Company performance is the dependent variable, proxied by asset. The study population are companies nominated as Most Admired Knowledge Enterprises and listed on Indonesia Stock Exchange. Based on target population, there are 64 samples. The result found that human capital efficiency and capital employed efficiency affects company performance. Adversely, structural capital efficiency does not affect company performance.