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Transactions / Kantar Group’s Vivvix

Thompson Street Capital Partners and Endicott Capital Portfolio Company MediaRadar Acquires Kantar Group’s Vivvix

Add-on acquisitionannouncedadd-onannounced Nov 6, 2023Fact
What happened
Target
Kantar Group’s Vivvix
Platform
MediaRadaradd-on basis: Thompson Street Capital Partners (TSCP), a private equity firm based in St. Louis, and Endicott Capital (Endicott), an investment fund focused exclusively on the information services sector, today announced the acquisition of Vivvix by MediaRadar, a portfolio company of TSCP and Endicott.
Control
Control
Share acquired
unknown
Industry
unknown
Target location
unknown
Seller kind
unknown
Rollover
unknown
Values, only where disclosed
Enterprise value
Not disclosed
Purchase price
Not disclosed
Equity value
Not disclosed
Target revenue
Not disclosed
Target EBITDA
Not disclosed
Multiple
Not disclosed
Parties and roles
9 named
Buy side
  • Endicott CapitalCo-investorconfirmed
    “Thompson Street Capital Partners (TSCP), a private equity firm based in St. Louis, and Endicott Capital (Endicott), an investment fund focused exclusively on the information services sector, today announced the acquisition of Vivvix by MediaRadar, a portfolio company of TSCP and Endicott.”
  • Dan CooperDeal partnerconfirmed
    ““The combination of MediaRadar and Vivvix will enhance the Company’s ability to successfully execute against its plans for growth while strategically expanding its platform to best serve the needs of its media, agency, and brand clients,” said Dan Cooper, Director at TSCP.”
  • Dan SeidemanDeal partnerconfirmed
    “Dan Seideman, Principal at Endicott Capital added, “MediaRadar’s lengthy track record of investments in its data and operational foundation positions it to successfully integrate these businesses and deliver increased value to clients — both sellers and buyers of advertising.”
  • MediaRadarPlatformconfirmed
    “Thompson Street Capital Partners (TSCP), a private equity firm based in St. Louis, and Endicott Capital (Endicott), an investment fund focused exclusively on the information services sector, today announced the acquisition of Vivvix by MediaRadar, a portfolio company of TSCP and Endicott.”
  • Thompson Street Capital Manager LLCSponsorconfirmed
    “Thompson Street Capital Partners (TSCP), a private equity firm based in St. Louis, and Endicott Capital (Endicott), an investment fund focused exclusively on the information services sector, today announced the acquisition of Vivvix by MediaRadar, a portfolio company of TSCP and Endicott.”
Advisory side
  • Solomon PartnersBuy-side adviserconfirmed
    “Simpson Thacher & Bartlett served as legal advisor and Solomon Partners served as financial advisor to MediaRadar.”
  • Simpson Thacher & Bartlett LLPLegal adviserconfirmed
    “Simpson Thacher & Bartlett served as legal advisor and Solomon Partners served as financial advisor to MediaRadar.”
Side not stated
  • Todd KrizelmanManagementconfirmed
    ““By combining Vivvix and MediaRadar, we offer a complete view of the entire advertising industry,” said Todd Krizelman, CEO and co-founder of MediaRadar.”
  • Kantar Group’s VivvixTargetconfirmed
    “Thompson Street Capital Partners and Endicott Capital Portfolio Company MediaRadar Acquires Kantar Group’s Vivvix”
Evidence
“Thompson Street Capital Partners and Endicott Capital Portfolio Company MediaRadar Acquires Kantar Group’s Vivvix”
Press release wires (PR Newswire, GlobeNewswire, Business Wire public pages and RSS)confidence 80%recorded Sep 15, 2026