This article evaluates the relationship between institutional ownership and compositional performance indices in company life cycle among corporations accepted in Tehran Stock Exchange comparatively. In representation relations owner’s goal in maximum wealth; therefore, the goal controls the representative work and evaluates his performance. The statistical society in this research consists of corporations accepted in Tehran Stock Exchange over the period 2006-2010. A cross-sectional regression of corporations is obtained and along with different stages of life cycle, their variance is analyzed. The results of this research indicate that:

1. In corporations’ growth stage, institutional ownership causes increasing assimilation performance and decreasing economic and financial performance.
2. In maturity stage, institutional ownership causes increasing assimilation performance but it has no effect on financial performance and it has a twofold effect on economic performance.
3. In decline stage, institutional ownership has a twofold effect on assimilation performance and it causes decreasing economic and financial performance.