Sustainability Reporting, Foreign Ownership, Firm Value as a Function of Investment Opportunity Set

Purpose: Firm value is one of the relevant company goals. Increasing firm supported by sustainability reporting and foreign ownership. The increase in can be strengthened through a trusted Investment Opportunity Suitable to obtain returns that are attractive investors used as an injection funds implement reporting. Investigating Set role moderating effect ownership on value. This study aims investigate value.Method: uses quantitative approach with independent variables ownership, dependent variable value, variable. Set. research classified non-experimental cross-sectional data classification documentation method. sample was 46 companies from 606 listed Indonesia Stock Exchange for 2013-2018. regression Moderated Regression Analysis.Findings: results showed does not moderate But influence Novelty: develops previous proving based able conducted all IDX publish annual reports 2013-2018 period, this period determined first year change GRI G3 version G4 May 22, 2013 which launched Amsterdam at global conference.