MSCI Inc., a provider of decision support tools and services for the investment sector, has entered into a definitive agreement to acquire the remaining 66pct of The Burgiss Group, LLC for USD697m in cash. Burgiss is a U.S.-based provider of data, analytics, and technology solutions for investors in private assets. Since its initial investment in 2020, MSCI will have invested an aggregate of USD913m to acquire all of Burgiss.