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

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

We tracked 25 deals involving United States in January 2026, 21 of them with a disclosed value, worth $62.3bn in total. The largest was Boston Scientific Corporation's $14.5bn deal for Penumbra, Inc., ahead of Mitsubishi Corporation and Aethon III LLC and Aethon United LP (Haynesville business) at $7.5bn.

Top mergers and acquisitions in United States in January 2026

United States M&A news →
  1. 115 JanBoston Scientific Corporation → Penumbra, Inc.Boston Scientific agrees US$14.5bn deal for PenumbraHealthcare / Medical devicesIn review$14.5bn
  2. 216 JanMitsubishi Corporation → Aethon III LLC and Aethon United LP (Haynesville business)Mitsubishi agrees US$7.5bn Haynesville gas deal with AethonEnergy / Shale gasCompleted$7.5bn
  3. 36 JanHg (with General Atlantic and Tidemark) → OneStream, Inc.Hg takes OneStream private in US$6.4bn dealTechnology / Financial softwareCompleted$6.4bn
  4. 422 JanCapital One Financial Corporation → Brex Inc.Capital One agrees US$5.15bn deal for BrexFinancials / FintechCompleted$5.2bn
  5. 55 JanVistra Corp. → Cogentrix EnergyVistra agrees US$4bn deal for Cogentrix gas fleetEnergy / Power generationIn review$4bn
  6. 615 JanTalen Energy Corporation → Cornerstone Generation (Waterford, Darby and Lawrenceburg plants)Talen agrees US$3.45bn deal for ECP's Ohio and Indiana gas plantsEnergy / Power generationCompleted$3.5bn
  7. 76 JanAnheuser-Busch InBev SA/NV → AB InBev US metal container plants (49.9% stake)AB InBev buys back US can plants stake from Apollo group for about US$3bnConsumer / Beverage packagingCompleted$3bn
  8. 826 JanLeidos Holdings, Inc. → ENTRUST Solutions GroupLeidos agrees US$2.4bn deal for ENTRUST SolutionsIndustrials / Utility engineering servicesCompleted$2.4bn
  9. 922 JanThe Clorox Company → GOJO Industries, Inc.Clorox agrees US$2.25bn deal for Purell maker GOJOConsumer / Hygiene productsCompleted$2.3bn
  10. 1016 JanTransDigm Group Incorporated → Jet Parts Engineering and Victor Sierra Aviation HoldingsTransDigm agrees US$2.2bn deal for two aftermarket parts makersIndustrials / Aerospace aftermarketCompleted$2.2bn
  11. 1120 JanGSK plc → RAPT Therapeutics, Inc.GSK agrees US$2.2bn deal for food allergy biotech RAPTHealthcare / BiotechCompleted$2.2bn
  12. 1229 JanVSE Corporation → Precision Aviation Group, Inc.VSE agrees US$2bn deal for Precision Aviation GroupIndustrials / Aviation MROCompleted$2bn
  13. 1326 JanIonQ, Inc. → SkyWater Technology, Inc.IonQ agrees US$1.8bn deal for chip foundry SkyWaterTechnology / SemiconductorsCompleted$1.8bn
  14. 147 JanEli Lilly and Company → Ventyx Biosciences, Inc.Lilly agrees US$1.2bn deal for Ventyx BiosciencesHealthcare / BiotechCompleted$1.2bn
  15. 1526 JanCVC Capital Partners → Marathon Asset ManagementCVC agrees up-to-US$1.2bn deal for Marathon Asset ManagementFinancials / Private creditCompleted$1.2bn
  16. 168 JanCrowdStrike Holdings, Inc. → SGNL.AI, Inc.CrowdStrike agrees US$740m deal for identity start-up SGNLTechnology / CybersecurityCompleted$740m
  17. 177 JanD-Wave Quantum Inc. → Quantum Circuits, Inc.D-Wave agrees US$550m deal for Quantum CircuitsTechnology / Quantum computingCompleted$550m
  18. 186 JanMarvell Technology, Inc. → XConn Technologies Holdings, Inc.Marvell agrees US$540m deal for switch chip maker XConnTechnology / SemiconductorsCompleted$540m
  19. 1912 JanSmith & Nephew plc → Integrity Orthopaedics, Inc.Smith+Nephew agrees up to US$450m deal for Integrity OrthopaedicsHealthcare / Medical devicesCompleted$450m
  20. 2015 JanParsons Corporation → Altamira Technologies CorporationParsons buys Altamira in deal worth up to US$375mIndustrials / Defence and intelligence servicesCompleted$375m
  21. 2126 JanGoldgroup Mining Inc. → Gold Resource CorporationGoldgroup agrees US$372m all-share deal for Gold ResourceMining / Gold and silverCompleted$372m
  22. 228 JanSnowflake Inc. → Observe, Inc.Snowflake agrees to buy observability platform ObserveTechnology / Observability softwareCompletedUndisclosed
  23. 2312 JanBoston Scientific Corporation → Valencia Technologies CorporationBoston Scientific agrees to buy eCoin maker Valencia TechnologiesHealthcare / Medical devicesCompletedUndisclosed
  24. 2423 JanJanus Henderson Group plc → Richard Bernstein AdvisorsJanus Henderson buys Richard Bernstein AdvisorsFinancials / Asset managementCompletedUndisclosed
  25. 2530 JanReddy Ice, LLC (SCI Capital Partners) → Arctic Glacier, LLCReddy Ice buys Arctic Glacier from CarlyleConsumer / Packaged iceCompletedUndisclosed