Lists of corporate mergers and acquisitions: Historical and Recent Deals

Corporate mergers and acquisitions (M&A) have been a driving force behind many significant changes in the business world. The largest M&A deal in history was the Vodafone and Mannesmann merger in 2000, worth approximately $183 billion.

This massive deal was a game-changer for the telecommunications industry. It created a global telecommunications giant with a presence in over 30 countries.

Many notable M&A deals have taken place in recent years, such as the acquisition of Whole Foods Market by Amazon in 2017 for $13.7 billion.

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In the 1880s, corporate mergers and acquisitions were on the rise. The first recorded deal of this era was the acquisition of the Kentucky Distilleries and Warehouse Company by the American Spirits Manufacturing Company in 1899, valued at $0.125 billion, or $4.7 billion adjusted for inflation.

This deal was one of the earliest examples of a horizontal merger, where two companies in the same industry combined to eliminate competition. The American Spirits Manufacturing Company was a major player in the spirits industry at the time.

Another notable deal from this era was the acquisition of the Wagner Palace Car Company by the Pullman Palace Car Company in 1899, valued at $0.074 billion, or $2.8 billion adjusted for inflation. This deal marked a significant expansion of Pullman's operations in the railroad industry.

Here are the details of the top two deals of the 1880s:

These early deals laid the groundwork for the corporate mergers and acquisitions that would shape the business landscape in the centuries to come.

The Vodafone and Mannesmann merger in 1999 was one of the largest acquisitions ever made, worth approximately $202.8 billion. This deal made Vodafone the world's largest mobile operator and set the scene for dozens of mega deals in the mobile telecommunications space in the years that followed.

ConocoPhillips acquired Marathon Oil Corporation in May 2024 for $22.5 billion, aiming to reduce expenses and operate more effectively, especially outside the crowded Permian Basin. This acquisition is a signal of a shift toward fewer but stronger players in the energy market.

The ChemChina and Sinochem merger in 2018 created the world's largest industrial chemicals company, surpassing major global competitors like BASF in North America in terms of scale and market presence. This merger was part of the Chinese government's plan to strengthen their competitiveness in the global stage by reducing the overall number of state-owned enterprises.

The biggest mergers and acquisitions in history have had a significant impact on the business world. The Exxon and Mobil merger in 1999, for example, created ExxonMobil, one of the world's largest publicly traded energy corporations.

This merger was a huge success, with investors quadrupling their money and shares increasing by 293% with dividends reinvested. The deal closed at a whopping $80 billion.

The AT&T and Time Warner merger in 2018 was another massive deal, worth $108 billion. However, it was met with criticism from antitrust regulators. Despite this, the deal was completed, and AT&T has since benefited from the acquisition.

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The merger between Dow Chemical and DuPont in 2015 was also a significant one, creating the largest chemicals company by sales in the world. However, the company's share price took a dip of around 25% after the deal was completed.

The Walt Disney Company's acquisition of 21st Century Fox in 2017 was a strategic move to boost its global presence and content diversity. The deal was worth $52.4 billion and has since enhanced Disney's entertainment library and direct-to-consumer streaming offerings.

The Linde AG and Praxair merger in 2018 created the world's largest industrial gas company at the time. The deal combined Linde's engineering expertise with Praxair's operational efficiency, resulting in a company with a market cap of $90 billion and over 80,000 employees spanning over 100 countries.

The ChemChina and Sinochem merger in 2018 created the world's largest industrial chemicals company, surpassing major global competitors like BASF in North America in terms of scale and market presence.

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The pace of technological advancements is forcing companies to adapt and merge with others to stay ahead. Rapid changes in technology require companies to restructure and integrate new technologies and business models.

The Omnicom and Interpublic Group merger is a prime example, with a pending deal worth $13.25 billion that would create a company with revenue exceeding $25 billion. This merger would make Omnicom the largest agency holding company and enhance capabilities in areas like AI, data, and media buying.

Companies are looking to acquire fintech startups to stay on track with digital transformation. SoFi acquired core banking platform Technisys for $1.1 billion in 2022, allowing it to leverage Technisys' technology for personalized banking services.

Truist Financial's acquisition of Long Game in 2022 is another example of this trend. Long Game offers a gamified mobile finance app, which will help Truist Financial attract younger demographics and innovate its digital offerings.

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Google has a reputation for making savvy acquisitions, and one of the most successful deals is the acquisition of Android, which has led to 70% of global smartphone owners using an Android device as of March 2024.

Google's experience with acquisitions has been extensive, but the Android deal stands out as particularly successful.

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State owned enterprises have been involved in some of the largest failed M&A deals. The largest deal to fail was the $40 billion acquisition of Anschutz's Qwest by Verizon, which fell through due to regulatory concerns.

The failure of these deals can have significant consequences for the companies involved, including financial losses and damage to their reputation. In some cases, the failure of a deal can even lead to a decline in stock price.

The collapse of the $38 billion deal between AT&T and T-Mobile USA is another notable example of a failed deal involving a state owned enterprise.

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Failed Deals are a reality in the world of Mergers and Acquisitions. The largest ever deals that have failed to complete are a notable example, with some transactions valued at $20 billion or larger.

These deals were confirmed, but for various reasons, failed to materialize. The fact that they were confirmed but failed to complete highlights the complexity and uncertainty of M&A deals.

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State Owned Enterprises can be a double-edged sword, as we've seen in the case of Venezuela's state-owned oil company, PDVSA, which was crippled by corruption and mismanagement.

The government of Venezuela invested heavily in PDVSA, but the company's debt ballooned to over $40 billion.

State Owned Enterprises often struggle with accountability, as they are shielded from market forces and can become overly reliant on government subsidies.

In the case of Air India, the state-owned airline was bailed out by the Indian government multiple times, but it still struggled to turn a profit.

State Owned Enterprises can also stifle competition, as they often have a monopoly on certain industries.

The Indian government's decision to privatize Air India's international routes was a step in the right direction, but it's unclear if it will be enough to turn the airline around.

State Owned Enterprises can also be a drain on government resources, as they often require significant subsidies to stay afloat.

The example of Air India shows that even with significant government investment, State Owned Enterprises can still struggle to succeed.

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In recent years, we've seen some massive mergers and acquisitions that have reshaped the business landscape. One notable example is the $90.27B acquisition of Warner-Lambert by Pfizer in 2000, which created the second-largest pharmaceutical company in the world at the time.

The deal provided Pfizer with full rights to Lipitor, a cholesterol-lowering medication that became the best-selling drug in the world in 2003, generating more than $13B in annual revenue at its peak. This acquisition helped diversify Pfizer's portfolio, adding other products like Listerine mouthwash and Schick and Wilkinson Sword wet-shave products to its lineup.

The Walt Disney Company also made a significant acquisition in 2017, buying 21st Century Fox for $52.4B, which is equivalent to $68.08B adjusted for inflation. This deal aimed to boost Disney's global presence and content diversity, adding franchises like X-Men and Deadpool to its portfolio.

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The 2020s were a decade of significant M&A activity, with many notable deals taking place. One notable example is the 2021 acquisition of WarnerMedia by AT&T, which was completed for $85.4 billion.

The tech industry saw a surge in M&A activity in the 2020s, with companies like Microsoft and Salesforce making strategic acquisitions to expand their offerings. For instance, Microsoft acquired Nuance Communications in 2021 for $16 billion.

The decade also saw a rise in private equity firms taking a more active role in M&A, with firms like KKR and Blackstone making significant investments. In 2020, KKR acquired Covestro's polyurethane foams business for $2.2 billion.

The COVID-19 pandemic had a significant impact on M&A activity in the 2020s, with many deals being put on hold or cancelled due to market uncertainty. However, the pandemic also accelerated the adoption of digital technologies, leading to a surge in M&A activity in the tech sector.

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In 2019, Saudi Aramco entered an agreement to purchase a 70% stake in Saudi Basic Industries Corporation (SABIC) for $69.1B.

This deal allowed Saudi Aramco to diversify its revenue sources by acquiring SABIC's extensive portfolio of chemicals, fertilizers, and plastics.

SABIC's strong presence in the global petrochemical market was a key factor in this acquisition, enabling Saudi Aramco to reduce its reliance on oil revenue.

By acquiring SABIC, Saudi Aramco was able to enhance its ability to compete in the growing global chemicals market.

The deal was announced in 2019 and was valued at $69.1B, which is equivalent to $86.61B adjusted for inflation.

This acquisition was a strategic move by Saudi Aramco to mitigate the risks associated with fluctuating oil prices.

The combined company has a significant presence in the global petrochemical market, with a strong portfolio of chemicals, fertilizers, and plastics.

The deal is expected to have a positive impact on Saudi Aramco's cash flows, earnings, and return of capital per share.

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Mergers and acquisitions are often driven by the desire to improve competitiveness, and this can be achieved by creating a combined company that is more valuable than the sum of its parts.

Companies merge or acquire others to increase their market share, expand their product offerings, and access new markets and resources. This can be a strategic move to achieve cost efficiencies or create value for shareholders.

One of the most common motives behind mergers and acquisitions is market expansion opportunities, allowing a company to enter new geographic regions or product markets quickly.

The main purpose of mergers and acquisitions is to increase a company's market share, expand its product offerings, achieve cost efficiencies, or access new markets and resources.

Mergers and acquisitions are often driven by the desire to improve competitiveness or create value for shareholders.

One of the most common motives behind mergers and acquisitions is to create a combined company that is more valuable than the value of the two companies before the merger or acquisition.

Mergers and acquisitions allow companies to enter new geographic regions or product markets quickly, providing market expansion opportunities.

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Many companies are reevaluating their portfolios due to geopolitical tensions and a fluctuating global economy.

68% of corporate leaders surveyed by Deloitte said their companies had restructured since the COVID-19 pandemic, while 27% are currently restructuring or planning to do so within the next six months.

Companies are opting to divest their non-essential assets to focus on their core competencies, making way for a more streamlined approach.

The consumer health sector has seen fluctuations in recent years, with a current value of $356 billion.

Pharmaceutical giants like GlaxoSmithKline and Pfizer have sold off their consumer health components to invest in drug research and development.

A notable example is Haleon, created through a merger of GSK and Pfizer's consumer healthcare businesses in 2019, which was later sold off by GSK in a series of transactions.

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Mergers and acquisitions can be complex transactions, but some examples stand out as successful. The United Technologies and Raytheon merger is a classic example of a "merger of equals", where both companies maintained a significant stake in the new entity.

In the oil and gas sector, M&A activity remained lively in 2024, with several large transactions announced, including ExxonMobil and Pioneer Natural Resources, and Chevron and Hess.

Some mergers have achieved outstanding success, such as the Bristol-Myers Squibb and Celgene deal, which was valued at $95 billion in 2019. This merger amplified Bristol-Myers Squibb's oncology portfolio and expanded its global reach.

Here are a few notable mergers and acquisitions:

A merger is a transaction where two companies of similar size agree to combine their businesses into one entity. This is different from an acquisition, where one company buys the outstanding shares of another company.

Some mergers are considered "mergers of equals", where both companies maintain a significant stake in the new entity. The United Technologies and Raytheon merger is a classic example of this.

In the oil and gas sector, several large transactions were announced in 2023, despite a slower pace of deal-making in 2024.

Here are a few notable recent oil and gas acquisitions:

Mergers can be a successful way to reshape industries, as seen in some of the biggest M&A transactions in history.

Bristol Myers Squibb is a top-tier biopharmaceutical company with a strong focus on oncology.

The company's success can be attributed to its merger with Celgene in 2019, which was valued at a staggering $95 billion.

This merger allowed Bristol Myers Squibb to integrate Celgene's prominent cancer medications, such as Revlimid and Abraxane, into its portfolio.

By leveraging its network, Celgene was able to elevate its research and development capabilities and expand its global reach.

Bristol Myers Squibb now operates as a combined company under its name, with Celgene products fully integrated into its portfolio.

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