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Global M&A activity held its ground in Q2 2026, but the headline numbers are doing heavy lifting, according to our Global M&A Report. Strip out a handful of giant transactions, and a more cautious, selective market comes into view.
Just 34 transactions of $5 billion or more generated $553 billion in value in Q2, accounting for roughly 42% of the quarter’s total. Total M&A value for the quarter reached an estimated $1.3 trillion, which was up 35.3% year-over-year. Deal count, meanwhile, barely moved. With 11,880 transactions, volume was up only 3.4% YoY. The divergence between flat M&A volume and changing value reveals that global M&A value is driven overwhelmingly by a few very large deals.
Understanding why mega-deals have returned and who benefits is the defining question for dealmakers heading into the second half of 2026.
A key shift driving mega-deal activity is the return of the strategic acquirer—and the structural advantage they hold over financial sponsors right now.
With the Federal Reserve holding rates steady and the European Central Bank raising them for the first time since 2023, the leveraged buyout math has become increasingly difficult to justify. PE buyout value fell 35.7% quarter-over-quarter to $287.3 billion, while corporate buyers filled the vacuum, executing $892.7 billion in strategic M&A value.
Public companies with elevated share prices can fund transformational acquisitions in stock, and a seemingly more passive antitrust environment encourages corporates to pursue scale. The $118.5 billion Dominion Energy-NextEra merger and the $60 billion Cursor acquisition were both all-stock deals, and also examples of compelling large deals corporates are pursuing to build scale in high-demand sectors.
Mega-deal activity is expected to continue through the rest of 2026, given three variables that are unlikely to meaningfully change in the next six months.
First, interest rates: A Fed pivot would materially improve the LBO underwriting and bring sponsors back into competition for large assets, compressing the strategic advantage corporates currently enjoy. Half of the committee signaled for a rate hike by the end of the year.
Second, dealmakers can become more hesitant to pursue mega-deals if antitrust scrutiny increases, but regulators’ recent stance toward lighter reviews and revised merger control guidelines suggests the risk is low.
Lastly, the continued theme of AI and related investment plays. If revenue projections or appetite for AI deals decline, the momentum behind this quarter’s largest transactions might slow down in the second half of 2026. However, ongoing structural demand for AI capabilities is expected to encourage buyers to pursue opportunistic deals.
Download the full report for the complete breakdown of sector rotations, valuations, and the antitrust outlook. |
