This research is aimed to know and analysis influence af fundamental factor IOS partially and simultaneously to the manufacturing company of stock price and ROA, ROE, EPS, PER, and IOS as independend variable. This result shows fundamental factors that is ROA, ROE, EPS, PER, and IOS simultanly there are the influence significant to the manufacturing company of stock price in Indonesia stock exchange. Partially show only return on equity (X2), Earning per Share (X3) and price earning ratio (X4). Variable with explained by variation the expressed in adjusted R2 equal to 33,2% is while the test equal to 66,8% influenced by other variable which is not explained by this research model. Where as other variable not influence with models is IOS.