Arm Holdings vs Berkshire Hathaway: Founders, CEOs and History

Company facts

Founders

CEOs and their tenures

Timeline: Arm Holdings and Berkshire Hathaway side by side

1. 1839Berkshire Hathaway

   Valley Falls Company Founded

   Oliver Chace founds the Valley Falls Company in Valley Falls, Rhode Island, as a cotton textile manufacturer. Chace had learned the trade working with Samuel Slater and built his first mill in 1806.

2. 1955Berkshire Hathaway

   Berkshire Fine Spinning and Hathaway Manufacturing Merge

   Berkshire Fine Spinning Associates and Hathaway Manufacturing combine and take the Berkshire Hathaway name.

3. 1962Berkshire Hathaway

   Buffett Partnership Buys Its First Berkshire Shares

   Buffett Partnership Ltd. buys its first Berkshire Hathaway shares in December 1962. Buffett was drawn to the pattern of Berkshire closing plants and using the liquidation proceeds to repurchase its own stock.

4. 1964Berkshire Hathaway

   Tender Offer Dispute With Seabury Stanton

   Berkshire president Seabury Stanton asks Buffett at what price Buffett Partnership would sell, agrees to $11.50 a share, then mails a tender offer at $11.375.

5. 1965Berkshire Hathaway

   Buffett Takes Control and Names Ken Chace President

   Buffett Partnership takes control of Berkshire Hathaway in May 1965 and Stanton leaves. Buffett selects Ken Chace, a long-time employee, as president to run the textile operation, and the cash it generates is pointed at other industries.

6. 1967Berkshire Hathaway

   Entry Into Insurance With National Indemnity

   Early in 1967 Berkshire pays $8.6 million to buy National Indemnity Company and a small sister insurer from owner Jack Ringwalt.

7. 1972Berkshire Hathaway

   See's Candies Bought for $25 Million

   Blue Chip Stamps, controlled by Buffett and Munger and later merged into Berkshire, buys See's Candies for $25 million.

8. 1985Arm Holdings

   ARM1 Processor First Silicon

   The first ARM processor, ARM1, reached silicon at Acorn Computers, designed by Sophie Wilson, who wrote the instruction set, and Steve Furber, who led the hardware.

9. 1985Berkshire Hathaway

   Textile Operations Closed

   Buffett decides in July 1985 to close Berkshire's textile operation and the shutdown is largely complete by year end. He described it as finally throwing in the towel after twenty years of unremitting struggle with the business.

10. 1990Arm Holdings

    Arm Founded as an Acorn, Apple and VLSI Joint Venture

    The company was incorporated in November 1990 as Widelogic Limited and renamed Advanced RISC Machines Limited on December 3, 1990, structured as a joint venture between Acorn Computers, Apple Computer and VLSI Technology.

11. 1993Arm Holdings

    Apple Newton Ships with ARM610 and Arm Turns Profitable

    Apple launched the Newton MessagePad, powered by an ARM610 processor, the first significant consumer product built on an ARM-based chip.

12. 1996Berkshire Hathaway

    GEICO Becomes Wholly Owned and Class B Shares Created

    Berkshire buys the remaining 49% of GEICO on January 2, 1996, having held 51%, and GEICO becomes a wholly owned subsidiary. Shareholders also approve a recapitalization creating Class B shares with the economic rights of one thirtieth of a Class A share.

13. 1998Arm Holdings

    Dual Listing on the London Stock Exchange and Nasdaq

    Arm floated on April 17, 1998, trading in London and New York on the same day after being priced at 575p a share by Morgan Stanley Dean Witter and Cazenove. The company was renamed ARM Holdings at the listing and joined the FTSE 100.

14. 1998Berkshire Hathaway

    General Re and Executive Jet Acquired

    Berkshire acquires reinsurer General Re and fractional-aircraft operator Executive Jet.

15. 2001Arm Holdings

    Warren East Becomes Chief Executive

    Warren East was appointed chief executive in October 2001, succeeding Robin Saxby. Over the following twelve years Arm established the Cortex CPU and Mali GPU families and became the standard architecture for smartphones.

16. 2004Arm Holdings

    Artisan Components Acquired for $913 Million

    Arm bought Artisan Components, a designer of physical IP such as standard cell libraries, memory compilers and input and output cells, extending Arm from processor designs into the foundry-specific building blocks needed to fabricate a chip.

17. 2007Arm Holdings

    iPhone Launch Accelerates Smartphone Royalty Growth

    Apple launched the original iPhone with a Samsung-manufactured application processor built on an ARM11 core.

18. 2010Berkshire Hathaway

    BNSF Railway Acquired

    Berkshire completes its purchase of Burlington Northern Santa Fe in the first quarter of 2010.

19. 2013Arm Holdings

    Simon Segars Succeeds Warren East as CEO

    Arm announced in March 2013 that Warren East would retire and that president Simon Segars, who joined Arm in 1991 as one of its early engineers, would become chief executive from July 1, 2013.

20. 2016Arm Holdings

    SoftBank Acquires Arm for ~$32.1 billion (24.3 Billion Pounds)

    SoftBank Group agreed on July 18, 2016 to acquire Arm Holdings for 24.3 billion pounds, about $31.4 billion in cash, and completed the deal on September 5, 2016.

21. 2016Berkshire Hathaway

    Precision Castparts Acquired

    Berkshire completes the purchase of Precision Castparts, an aerospace and industrial components maker, for $235 a share in cash.

22. 2018Berkshire Hathaway

    Abel and Jain Named Vice Chairmen

    Berkshire's board expands from twelve to fourteen directors and elects Greg Abel and Ajit Jain.

23. 2020Arm Holdings

    Nvidia Agrees to Buy Arm for $40 Billion

    Nvidia announced an agreement to acquire Arm from SoftBank for about $40 billion in cash and stock.

24. 2022Arm Holdings

    Nvidia Deal Collapses and Rene Haas Becomes CEO

    Nvidia and SoftBank terminated the acquisition in February 2022 after the U.S. Federal Trade Commission sued to block it, the UK Competition and Markets Authority recommended against it and EU regulators opened a Phase II review.

25. 2022Berkshire Hathaway

    Alleghany Corporation Acquired

    Berkshire completes the acquisition of insurer Alleghany Corporation on October 19, 2022, paying $848.02 a share in cash for a total equity value of about $11.6 billion and adding the TransRe reinsurance business.

26. 2023Arm Holdings

    Nasdaq IPO Prices at $51 and Raises $4.87 Billion

    Arm listed on Nasdaq on September 14, 2023 under the ticker ARM, pricing American depositary shares at $51 and raising about $4.87 billion at a valuation of roughly $54.5 billion. It was the largest U.S.

27. 2024Arm Holdings

    Fiscal 2024 Revenue Reaches $3.23 Billion

    Arm reported fiscal 2024 revenue of $3,233 million, up 21%, made up of $1,802 million of royalty revenue and $1,431 million of license and other revenue, with net income of $306 million.

28. 2024Berkshire Hathaway

    Market Value Tops $1 Trillion

    Berkshire's market capitalization passes $1 trillion on August 28, 2024, making it the first US company outside the technology sector to reach that level.

29. 2024Berkshire Hathaway

    Pilot Travel Centers Fully Owned

    Berkshire acquires the remaining 20% of Pilot Travel Centers on January 16, 2024 and takes full ownership. It had bought 38.6% in 2017 and a further 41.4% for about $8.2 billion in January 2023.

30. 2025Arm Holdings

    Artisan Foundation IP Business Sold to Cadence

    Arm completed the sale of its Artisan foundation IP business, the standard cell libraries, memory compilers and general-purpose input and output blocks it had built up since the 2004 Artisan acquisition, to Cadence Design Systems on August 26, 2025 under an ag…

31. 2025Arm Holdings

    Lumex Client Platform Launched for On-Device AI

    In September 2025 Arm launched Lumex, its compute subsystem platform for flagship smartphones and next-generation PCs, pairing C1 CPUs and G1 GPUs with Scalable Matrix Extension version 2 for on-device AI.

32. 2025Arm Holdings

    Fiscal 2025 Revenue Passes $4 Billion

    Arm reported fiscal 2025 revenue of $4,007 million, up 24%, with royalty revenue of $2,168 million and license and other revenue of $1,839 million, and net income of $792 million.

33. 2025Berkshire Hathaway

    Board Approves Abel as CEO From January 2026

    Berkshire announces in May 2025 that Greg Abel will become President and Chief Executive Officer on January 1, 2026, with Warren Buffett remaining Chairman of the Board.

34. 2026Arm Holdings

    Arm Launches the AGI CPU, Its First Production Silicon

    At the Arm Everywhere event in San Francisco on March 24, 2026, Arm introduced the Arm AGI CPU, the first chip it designed and sells as finished silicon rather than licensable IP.

35. 2026Arm Holdings

    Fiscal 2026 Revenue Reaches $4.92 Billion

    Arm reported fiscal 2026 revenue of $4,920 million, up 23% and a third consecutive year of growth above 20% since the IPO, with royalty revenue of $2,613 million, license and other revenue of $2,307 million and net income of $904 million.

36. 2026Berkshire Hathaway

    Abel Becomes CEO and Buffett Becomes Chairman Emeritus

    Abel takes over as CEO on January 1, 2026 and Berkshire completes the $9.7 billion purchase of OxyChem from Occidental on January 2. On September 18, 2026 Buffett is named Chairman Emeritus and remains a director, and his son Howard G.

Acquisitions

Questions about Arm Holdings vs Berkshire Hathaway