BCG: Record megadeals drive M&A surge but sub-$1B deals lag

Global mergers and acquisitions activity grew 15% year over year in the first eight months of 2026, with aggregate deal value reaching $2.09 trillion and exceeding the ten-year average by 11%, according to Boston Consulting Group's M&A Report 2026 released Monday. But the gains are almost entirely concentrated at the top of the market, with deal volumes below $1 billion remaining well under historical norms.prnewswire

Record Megadeals Mask a Missing Middle

The number of transactions valued at $10 billion or more climbed to 37 through August, up from 24 in the same period last year and surpassing the previous record of 32 set in 2021. Twenty-seven of those megadeals involved a U.S. buyer, target, or both. North America accounted for more than half of global deal value, while European deal value rose 43% to $541 billion and Asia-Pacific activity fell 27%.finance.yahoo+1

Below the billion-dollar threshold, the picture is starkly different. Transactions between $250 million and $1 billion, and those under $250 million, remain below longer-term averages even before adjusting for inflation. In the United States, deal value rose 25% in the first seven months of the year, but deal volume fell 26%, dropping to its lowest level since the first half of 2020.prnewswire+1

BCG's proprietary M&A Sentiment Index rose to 83, up from 79 at the start of the year, but still well below its long-run average of 100. The financial institutions and real estate sector posted the highest reading at 108, followed by health care at 100 and energy at 96. Technology scored lowest at 52, and consumer registered 64.investmentnews+1

AI Cuts Both Ways

BCG identified artificial intelligence as both an accelerant and a complicating force. "It's a reason to do more deals and a reason some deals are harder to close," said Daniel Friedman, BCG's global leader of transactions and integrations. A correction in software valuations earlier this year, along with a pullback in private equity software deal activity, illustrates the challenge AI poses for asset valuation.finance.yahoo+1

Execution, Not Capital, Is the Bottleneck

Jens Kengelbach, BCG's global M&A leader, framed the constraint as operational rather than financial. "Capital and strategic appetite are available. The bottleneck has shifted to execution: finding transaction-ready assets, bridging valuation gaps, and clearing the operational and regulatory hurdles required to close," he said. BCG pointed to divestitures, carve-outs, and private equity exits as potential catalysts that could widen the recovery by increasing the supply of transaction-ready assets.wealthprofessional+2