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Wednesday 14 October 2026
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Top mergers and acquisitions in United States in October 2026

Every verified merger and acquisition involving United States in this period, ranked by disclosed value. Updated every morning.

We tracked 21 deals involving United States in October 2026, 19 of them with a disclosed value, worth $188.7bn in total. The largest was Paramount Skydance (now Skydance Corp.)'s $110bn deal for Warner Bros. Discovery, ahead of Schneider Electric and PTC at $22.6bn.

Top mergers and acquisitions in United States in October 2026

United States M&A news →
  1. 16 OctParamount Skydance (now Skydance Corp.) → Warner Bros. DiscoveryParamount completes US$110bn takeover of Warner Bros. DiscoveryMediaCompleted$110bn
  2. 25 OctSchneider Electric → PTCSchneider Electric agrees $22.6bn cash takeover of PTCTechnology / Industrial softwareAgreed$22.6bn
  3. 38 OctSpaceX → Grain Management (800 MHz spectrum portfolio)SpaceX agrees to buy Grain's 800 MHz airwaves for Starlink MobileTelecom / Wireless spectrumAgreed$8bn
  4. 41 OctAuthentic Brands Group → MattelAuthentic Brands eyes takeover of MattelConsumer / ToysIn talks$6bn
  5. 55 OctC.H. Robinson → RXOC.H. Robinson agrees $5.8bn cash-and-stock deal for RXOIndustrials / LogisticsAgreed$5.8bn
  6. 66 OctCD&R and McKesson → Option Care HealthCD&R and McKesson agree $5.8bn buyout of Option Care HealthHealthcareAgreed$5.8bn
  7. 71 Octonsemi → Synapticsonsemi switches to $5.7bn all-cash deal for SynapticsTechnology / SemiconductorsAgreed$5.7bn
  8. 85 OctKKR → Gen II Fund ServicesKKR agrees $5.1bn deal for fund administrator Gen IIFinancials / Fund administrationAgreed$5.1bn
  9. 913 OctLondon Stock Exchange Group → OctusLSEG confirms talks to buy Octus from Permira for about $3.5bnFinancials / Financial dataIn talks$3.5bn
  10. 106 OctEnergy Transfer → Vaquero MidstreamEnergy Transfer agrees $2.63bn deal for Vaquero MidstreamEnergy / MidstreamAgreed$2.6bn
  11. 116 OctUber → ezCaterUber agrees $2.3bn cash deal for ezCaterTechnology / Food deliveryAgreed$2.3bn
  12. 1212 OctSTERIS → Xodus MedicalSTERIS agrees US$2.1bn deal for Xodus MedicalHealthcare / Medical devicesAgreed$2.1bn
  13. 135 OctShionogi → IntraBioShionogi to buy IntraBio for about $2bnHealthcare / PharmaAgreed$2bn
  14. 148 OctViatris → Pacira BioSciencesViatris agrees $1.65bn cash deal for Pacira BioSciencesHealthcareAgreed$1.7bn
  15. 1514 OctGalderma → ZO Skin HealthGalderma agrees $1.5bn deal for Blackstone-backed ZO Skin HealthHealthcare / DermatologyAgreed$1.5bn
  16. 1612 OctIonQ → ElisityIonQ agrees all-stock deal worth up to US$1.3bn for ElisityTechnology / CybersecurityAgreed$1.3bn
  17. 1713 OctIthaca Holdings → Bumble Inc.Ithaca Holdings agrees $1.3bn take-private of BumbleTechnology / Dating appsAgreed$1.3bn
  18. 1813 OctAtlantic Ridge Capital and Grafine Partners → Paragon FilmsRhône sells Paragon Films to Atlantic Ridge and Grafine for about $900mMaterials / Packaging filmsAgreed$900m
  19. 1912 OctWatsco → The Granite GroupWatsco completes US$505m Granite Group dealIndustrials / DistributionCompleted$505m
  20. 202 OctGreenbriar Equity Group → Spectrum ControlGreenbriar agrees to buy Spectrum Control from AEAIndustrials / DefenceAgreedUndisclosed
  21. 2113 OctWorkday → C1 (ConductorOne)Workday agrees to buy agentic identity platform C1Technology / Identity securityAgreedUndisclosed