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What were some of the largest mergers and acquisitions?

Author

Sophia Koch

Updated on January 06, 2026

As of August 2021, the largest ever acquisition was the 1999 takeover of Mannesmann by Vodafone Airtouch plc at $183 billion ($284 billion adjusted for inflation). AT appears in these lists the most times with five entries, for a combined transaction value of $311.4 billion.

What were some of the largest mergers and acquisitions over the past two years?

  • Verizon and Vodafone. Verizon Communications and Vodafone jointly brought Verizon Wireless to the market.
  • Heinz and Kraft. A merger between H.J.
  • Pfizer and Warner-Lambert. In 2000, Pfizer acquired Warner-Lambert for $90 billion.
  • AT and Time Warner.
  • Exxon and Mobil.
  • Google and Android.
  • Disney and Pixar/Marvel.

    What companies merged in 2018?

    3 of the Biggest Mergers and Acquisitions from 2018

    • AT purchased Time Warner, the cable television company, for $85 billion.
    • The Walt Disney Company buys Twenty-First Century Fox, Inc.
    • The Meredith Corporation acquired Time, Inc.

    What are the recent mergers and acquisitions?

    5 Biggest Mergers and Acquisitions in India

    • Arcelor Mittal. The biggest merger valued at $38.3 billion was also one that was the most hostile.
    • Vodafone Idea Merger. Reuters reported the Vodafone Idea merger to be valued at $23 billion.
    • Walmart Acquisition of Flipkart.
    • Tata and Corus Steel.
    • Vodafone Hutch-Essar.

    What is the largest buyout in history?

    The largest leveraged buyout in history was valued at $32.1 billion, when TXU Energy turned private in 2007.

    What is the biggest tech merger of all time?

    The Biggest Tech Mergers and Acquisitions of All Time

    • Salesforce Buys Slack for $27.7 Billion*
    • SoftBank Buys ARM for $31.4 Billion.
    • IBM’s Blockbuster $34 Billion Deal for Red Hat.
    • AMD Acquires Xilinx for $35 Billion*
    • Avago Acquires Broadcom for $37 Billion.
    • Dell Buys EMC for $67 Billion.

    What companies merged in 2019?

    Top 10 Mergers and Acquisitions of 2019

    • Salesforce and Tableau.
    • Google and Looker.
    • Apple and Intel.
    • Accenture and Droga5.
    • Capgemini and Altran.
    • Insight and PCM.
    • Juniper and Mist.
    • DXC and Luxoft.

    Which was the biggest software acquisition in 2020?

    Salesforce saved the biggest software acquisition of the year (so far) until last, snapping up the popular workplace communication company Slack for $27.7 billion in stock and cash. The deal brings together two software-as-a-service (SaaS) giants, with Slack seeing explosive growth since its founding in 2009.

    How many mergers and acquisitions have there been?

    AT appears in these lists the most times with five entries, for a combined transaction value of $311.4 billion. Mergers and acquisitions are notated with the year the transaction was initiated, not necessarily completed. Mergers are shown as the market value of the combined entities.

    What was the largest acquisition in US history?

    Transaction values are given in the US dollar value for the year of the merger, adjusted for inflation. As of May 2021 , the largest ever acquisition was the 1999 takeover of Mannesmann by Vodafone Airtouch plc at $183 billion ($281 billion adjusted for inflation).

    Who are the top 10 mergers of the last decade?

    1 Verizon and Verizon Wireless 2 Dow and DuPont combine businesses 3 Anheuser-Busch InBev and SAB Miller 4 Heinz and Kraft 5 AT and Time Warner tie-up 6 Charter Communications and Time Warner Cable merger 7 Disney and 21st Century Fox 8 CVS and Aetna 9 Cigna and Express Scripts 10 United Technologies and Raytheon

    Which is the fourth largest merger in the United States?

    Comcast’s rival bid came one day after a federal judge cleared AT’s $85 billion buyout of Time Warner. When completed, the AT- Time Warner deal will be the fourth largest in the history of North America.