AdTech M&A in 2025

10 acquisitions, mergers, IPOs and funding rounds reshaping AdTech in 2025, tracked by ATDb.

• Novacapacquired
  I
  Integral Ad Science (IAS)$1.9B2025-12
• Omnicom GroupacquiredInterpublic Group$13.25 billion2025-11-26
• AdobeacquiredSEMrush$1.9B2025-11-18
• Publicis Groupeacquired
  H
  Hepmil2025-10-29
• S
  Stagwell Media Networkraised funding
  R
  Real Clear Holdings (RealClearPolitics)2025-10-16
• A
  AMZ Advisersacquired
  R
  Reach Social2025-10
• RembrandacquiredSpaceback2025-09-15
• Alphonso IPO2025-09
• S
  Skydance Mediamerged with
  P
  Paramount Global2025-08-07
• MediaoceanacquiredInnovid$500M2025-02-13