PROCEEDING Call for Paper – 2 nd International Seminar on Accounting Society “The Impact of Artificial Intelligence on Accounting for Society 5.0” 48 THE EFFECT OF INSTITUTIONAL OWNERSHIP AND FINANCIAL PERFORMANCE ON CORPORATE VALUE IN SUB-SECTOR PLANTATION COMPANIES LISTED IN INDONESIAN STOCK EXCHANGE PERIOD 2014-2018 May Mulyaningsih *) , Rochman Marota, Monica Permata Indah Marbun Accounting Department Pakuan Univesity *Email:my_mlys@yahoo.com ABSTRACT High corporate value will make the market believe not only in the corporate’s current performance but also in the corporate’s future prospects. The purpose of this research is to analyze how the influence of Institutional Ownership (IO) and financial performance which is proxied by Return on Equity (ROE) and Debt to Equity Ratio (DER) on the corporate value in the plantation sub-sector companies listed on the Indonesian Stock Exchange period 2014-2018. This research is about IO and financial performance which is proxied using ROE and DER as well as the corporate value which is carried out in the plantation sub-sector listed on the Indonesian Stock Exchange using secondary data. The sample used in this study are 6 company with sampling method using purposive sampling. The analytical method used is quantitative that using the classic assumption test, multiple linear regression test, and hypothesis test by using tools SPSS 25. The results revealed that IO didn’t have a significant positive effect on corporate value. Financial performance which is proxied by ROE has a significant positive effect on corporate value. Financial performance which is proxied by DER has no significant negative effect on corporate value. IO and financial performance which is proxied by ROE and DER simultaneously affect the corporate value. Keywords : Institusional Ownership, Financial Performance, Return on Equity, Debt to Equity Ratio, Corporate Value. 1. INTRODUCTION According to Rochmah (2017), high corporate value will make the market believe not only in the corporate's current performance but also in the corporate's prospects in the future. Figure 1: Average of Corporate Value Source: Self proceed from www.idx.co.id 1.91 1.56 1.47 1.32 1.14 2014 2015 2016 2017 2018 Corporate Value Years Corporate Value (in times) 2.50 2.00 1.50 1.00 0.50 0.00