Top mergers and acquisitions in Australia in September 2026
Every verified merger and acquisition involving Australia in this period, ranked by disclosed value. Updated every morning.
We tracked 5 deals involving Australia in September 2026, 5 of them with a disclosed value, worth $33.5bn in total. The largest was Gold Fields's $27.1bn abandoned bid for Northern Star Resources, ahead of Brookfield Asset Management and Reliance Worldwide at $2.9bn.
Top mergers and acquisitions in Australia in September 2026
- 128 SeptGold Fields → Northern Star ResourcesNorthern Star rebuffs Gold Fields' $27bn takeover approachMiningTerminated$27.1bn
- 215 SeptBrookfield Asset Management → Reliance WorldwideReliance Worldwide backs Brookfield's $2.9bn buyoutIndustrials / Building productsAgreed$2.9bn
- 320 SeptTelix Pharmaceuticals → ITM Isotope Technologies MunichTelix agrees up to $2.35bn deal for Munich's ITMHealthcare / RadiopharmaAgreed$2.4bn
- 414 SeptSG Fleet / ORIX / Sumitomo consortium (competing bidders) → FleetPartners GroupJapanese bidders lead FleetPartners auctionFinancials / Fleet leasingIn talks$700m
- 522 SeptBlackstone → IDP EducationIDP Education rebuffs Blackstone's A$695m approachEducation servicesTerminated$490m