摘要:This study aims to determine how far the factors that affect the Initial Returnon Initial Public Offering (IPO) and the most dominant influence. Researchusing Multiple Linear Regression method, which is to know about using morethan one variable affects another variable. The object used is a company thatdoes perdahan stock offering (IPO) and also stated Listed in IDX, the sample ofthis study are companies that do an IPO of the year 2004-2008 as many as 18samples.. T-test results showed that underwriter reputation has a significantrelationship to the Initial Return of 2.442 with sig. t equal to 0.031 (sig. t