This study aims to analyze influence of profitability, investment decision, funding decision, and dividend policy on firm value listed in Jakarta Islamic Index. Sample on this research are 26 companies selected by using purposive sampling method and use multiple linier regression in this analysis. The result of the analyze showed that profitability as measured by ROA has a positive and significant impact on firm value, investment decision as measured by PPEMVA has a positive and significant impact on firm value, then funding decision as measured by DER has a positive and significant impact on firm value, and dividend policy as measurec by DPR does not effect on firm value listed in Jakarta Islamic Index.