Global mergers and acquisitions are experiencing a significant resurgence, positioning 2025 to be the strongest year for dealmaking since 2021, with total deal volumes surpassing $3 trillion. This surge is attributed to a combination of factors, including a perceived deal-friendly environment under the Trump administration and the availability of record-breaking financing packages.

Corporate titans are seizing what they believe is a once-in-a-generation opportunity to execute bold, transformative M&A transactions, anticipating minimal pushback from antitrust regulators. This aggressive approach is evident in several blockbuster deals announced late in the year.

One of the year's most prominent transactions is Netflix Inc.’s $72 billion acquisition of Warner Bros. Discovery Inc., including debt, which represents the largest deal of the year. The enterprise value of this deal totals approximately $82.7 billion. Netflix's ability to secure a massive $59 billion loan underscores the unprecedented financing options available to companies.

Other significant deals include Kimberly-Clark Corp.’s $40 billion acquisition of Tylenol-maker Kenvue Inc. in November, and the BlackRock Inc.-led purchase of Aligned Data Centers for $40 billion in October. Furthermore, Union Pacific Corp.’s acquisition of railroad operator Norfolk Southern Corp. for more than $80 billion, including debt, in July, highlights the scale of deals now deemed achievable, transactions that would have been unimaginable under previous administrations.

As of Thursday, global M&A volumes for 2025 stood at $3.3 trillion, marking a substantial 37% increase compared to 2024. This trajectory puts 2025 on track to potentially exceed the $3.8 trillion in transactions announced in 2021. The growth is even more pronounced in the United States, where deals involving US-based companies have escalated by 53% to nearly $1.8 trillion, approaching the 2021 peak.

The robust US M&A landscape has been driven by 32 deals exceeding $10 billion this year, alongside almost 300 transactions valued at $1 billion or more. A recent example is ITT Inc.'s nearly $4.8 billion acquisition of industrial equipment maker SPX Flow Inc. The rush to finalize these major deals is intensifying as Wall Street advisers and their clients aim to conclude transactions before the traditional holiday slowdown period.