Thompson Street and Endicott Capital-backed MediaRadar, an advertising intelligence and sales enablement platform, completed the acquisition of Vivvix from Kantar Group, an advertising intelligence company. Financial terms were not disclosed. “By combining Vivvix and MediaRadar, we offer a complete view of the entire advertising industry. Together, our unparalleled market intelligence will enable strategic decision-making, allowing media sellers, brands, and agencies to navigate the dynamic advertising landscape with even greater confidence,” Todd Krizelman, MediaRadar CEO and Co-Founder.