This study focused on investigating
institutional ownership's impacts on financial sector
firms' market performance. The research involved data
selected from 12 financial sector companies in the US
market. The data was gathered from official
government websites and some database sites. This
study finding release that institutional ownership
structure had an important and significant effect on the
selected companies' market performance. The aim is to
discover the importance of institutional ownership
structure on firms' ownership profile.
Keywords : Institutional ownership, Firm market-based performance, Tobin’s Q.