Top healthcare mergers and acquisitions in May 2026
Every verified merger and acquisition in the healthcare sector in this period, ranked by disclosed value. Updated every morning.
We tracked 15 deals in the healthcare sector in May 2026, 11 of them with a disclosed value, worth $11.5bn in total. The largest was Angelini Pharma S.p.A.'s $4.1bn deal for Catalyst Pharmaceuticals, Inc., ahead of UCB S.A. and Candid Therapeutics, Inc. at $2bn.
Top healthcare mergers and acquisitions in May 2026
- 17 MayAngelini Pharma S.p.A. → Catalyst Pharmaceuticals, Inc.Angelini Pharma agrees US$4.1bn deal for Catalyst PharmaceuticalsHealthcare / Rare disease pharmaceuticalsCompleted$4.1bn
- 23 MayUCB S.A. → Candid Therapeutics, Inc.UCB agrees deal worth up to US$2.2bn for Candid TherapeuticsHealthcare / BiotechCompleted$2bn
- 318 MayBoston Scientific Corporation → MiRus LLC (c.34% stake, with option on TAVR business)Boston Scientific invests US$1.5bn in MiRus with TAVR buyout optionHealthcare / Medical devicesCompleted$1.5bn
- 41 MayArchiMed → Esperion Therapeutics, Inc.ArchiMed agrees up to US$1.1bn take-private of EsperionHealthcare / PharmaceuticalsCompleted$1bn
- 57 MayRoche Holding AG → PathAI, Inc.Roche agrees deal worth up to US$1.05bn for PathAIHealthcare / Digital pathologyAgreed$750m
- 620 MayMedtronic plc → SPR Therapeutics, Inc.Medtronic agrees US$650m deal for SPR TherapeuticsHealthcare / Medical devicesCompleted$650m
- 76 MayKnox Lane → Cross Country Healthcare, Inc.Knox Lane takes Cross Country Healthcare private for US$437mHealthcare / StaffingCompleted$437m
- 86 MayZakłady Farmaceutyczne Polpharma S.A. → Biofarm S.A.Polpharma agrees €270m takeover of Romania's BiofarmHealthcare / Generic pharmaceuticalsCompleted$320m
- 96 MayBayer AG → Perfuse Therapeutics, Inc.Bayer agrees deal worth up to US$2.45bn for Perfuse TherapeuticsHealthcare / BiotechCompleted$300m
- 1026 MayOlympus Corporation → BioProtect Ltd.Olympus pays US$270m for Israel's BioProtectHealthcare / Medical devicesCompleted$270m
- 117 MayArtivion, Inc. → Endospan Ltd.Artivion exercises option to buy Endospan after NEXUS approvalHealthcare / Medical devicesCompleted$135m
- 1226 MayEli Lilly and Company → Curevo, Inc.Lilly agrees deal worth up to US$1.5bn for shingles vaccine maker CurevoHealthcare / VaccinesAgreedUndisclosed
- 1326 MayEli Lilly and Company → LimmaTech Biologics AGLilly agrees up-to-US$780m deal for Swiss vaccine maker LimmaTechHealthcare / VaccinesAgreedUndisclosed
- 1426 MayStonepeak-led consortium (with Axight Capital) → Estia HealthStonepeak consortium agrees to buy Estia Health from BainHealthcare / Aged careAgreedUndisclosed
- 1518 MayMehiläinen Group → Aleris GroupMehiläinen agrees to buy Aleris from TritonHealthcare / Specialist care providersAgreedUndisclosed