Global M&A deal rush fades in third quarter as rising borrowing costs bite

• Only 10 megadeals over $10 billion were announced in Q3 2026, the lowest since Q4 2024, while strategic tech stake purchases accounted for 24% of global M&A year-to-date
• Asia Pacific M&A bucked the trend with $242 billion in deals, up 8% from Q2 and 36% year-over-year, while US and European dealmaking fell sharply
• IPO activity reached $215 billion year-to-date (highest since 2021) led by SpaceX's June debut, though some tech IPOs have been delayed due to rising rates and investor caution ahead of midterm elections

Global M&A Deal Rush Fades in Third Quarter as Rising Borrowing Costs Bite

Key Developments:

Global M&A activity totaled $993 billion in Q3 2026, down 41% from Q2 2026—marking the first sub-$1 trillion quarter since Q2 2025, according to LSEG data. Despite the quarterly decline, year-to-date M&A reached $3.9 trillion, up 28% and the highest since 2001, though deal volume fell 8%.

Major Transactions:

Only 10 deals exceeding $10 billion were announced in Q3—the lowest since Q4 2024. Notable megadeals included Banca Monte dei Paschi's acquisition of Banco BPM and Gold Fields' $25.7 billion purchase of Northern Star Resources.

Market Drivers and Headwinds:

Rising interest rates are impacting deal valuations. The 10-year U.S. Treasury yield reached its highest level since 2002, posting the biggest quarterly increase this century through September. Surging energy costs are fueling inflation and pushing rate expectations higher.

Strategic technology stake purchases account for 24% of global M&A, with AI investment driving activity. Anthropic and OpenAI raised tens of billions in funding this year.

Regional Performance:

Asia Pacific M&A totaled $242 billion, up 8% quarter-over-quarter and 36% year-over-year. U.S. and European dealmaking fell sharply. Cross-border transactions rose 32% year-over-year, with strong dollar encouraging U.S. acquisitions in Europe.

IPO Activity:

Global IPOs raised $215 billion year-to-date (excluding SPACs), the highest since 2021. SpaceX's June IPO helped drive this growth. Q3 equity capital markets raised $284 billion, down 26% from Q2 but up 39% year-over-year.

Bankers remain cautiously optimistic despite concerns about political uncertainty and data center sector setbacks, expecting 2027 to remain robust driven by AI and strategic consolidation.