The purpose of this study to analyze partially of Good Corporate Governance (GCG) practice on the stock price. This study used explanatory research with quantitative approach. Data used was data of LQ45 companies through the annual report that listed in IDX with number of data observation were 23 companies as sample of study during 2012 until 2016. The results of this study explained that: 1) The board of commissioner indicator had positive and significant influence on the stock price; 2) Independent commissioner indicator had positive and significant influence on the stock price; 3) Audit committee indicator had positive influence but not significant on stock price; 4) Financial performance indicator had positive influence but not significant on stock price; 5) Managerial ownership indicator had positive and significant influence on the stock price; 6) Independent director had positive influence but not significant on stock price. This study provided recommendation to companies, investors, analysts and investment institutions in making investment decisions on the company stock in LQ45 company. The result of this study for government should try to re-evaluate the indicator that not significant namely audit committee, financial performance, and independent director through consideration that related to the GCG policy