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Arm Holdings vs SpaceX: Founders, CEOs and History

Arm Holdings was founded in 1990 by Robin Saxby, Sophie Wilson, Steve Furber and is led by Rene Haas. SpaceX was founded in 2002 by Elon Musk and is led by Elon Musk.

Company facts

Arm Holdings

Founded
1990
Headquarters
Cambridge, United Kingdom
Current CEO
Rene Haas
Employees
9,584

SpaceX

Founded
2002
Headquarters
Starbase, Texas; major operations in Hawthorne, California
Current CEO
Elon Musk
Employees
22,621

Founders

Arm Holdings

  • Robin Saxby

    The founding of Arm (Advanced RISC Machines) is a quintessentially British technology story, born out of a desperate need to build a more efficient computer processor.

  • Sophie Wilson

    Sophie Wilson, along with Steve Furber, designed the original ARM processor at Acorn Computers in 1983 to 1985.

  • Steve Furber

    Steve Furber served as the ARM processor's lead hardware designer at Acorn before the formation of Arm Ltd., but like Sophie Wilson did not join the new company directly.

Arm Holdings founders in full

SpaceX

  • Elon Musk

    Elon Reeve Musk was born on June 28, 1971, in Pretoria, South Africa, and emigrated to Canada at age 17 before transferring to the University of Pennsylvania, where he earned dual degrees in economics and physics.

SpaceX founders in full

CEOs and their tenures

Arm Holdings

  1. Robin Saxby1991–2001

    Founding Chief Executive Officer

    Robin Saxby was Arm's founding chief executive, recruited in 1991 to run the new joint venture from a converted barn at Swaffham Bulbeck near Cambridge with 12 engineers seconded from Acorn.

    Source
  2. Warren East2001–2013

    Chief Executive Officer (Former)

    Warren East ran Arm for twelve years from October 2001, the period in which the company became the default architecture for mobile computing.

    Source
  3. Simon Segars2013–2022

    Chief Executive Officer (Former)

    Simon Segars was chief executive for nine years from July 2013, overseeing SoftBank's 2016 acquisition, the attempted sale to Nvidia and the expansion of Arm's IoT strategy through the Treasure Data and Stream Technologies acquisitions, both of which were late…

    Source
  4. Rene Haas2022–present

    Chief Executive Officer

    Rene Haas became Arm's chief executive in February 2022, succeeding Simon Segars after nine years at Arm in engineering and commercial roles.

    Source
Arm Holdings CEO history in full

SpaceX

  1. Elon Musk2002–present

    Founder, CEO & Chief Engineer

    Under Musk, SpaceX became the highest-cadence launch provider and built Starlink into its largest revenue segment. He led the company through its June 12, 2026 IPO, priced at $135 per share and raising $85.7 billion.

    Source
  2. Gwynne Shotwell2002–present

    President and Chief Operating Officer

    As President and COO since 2008, she has managed day-to-day operations and strategic customer relationships, guiding the company to unprecedented launch cadences and billions in recurring Starlink revenues.

    Source
SpaceX CEO history in full

Timeline: Arm Holdings and SpaceX side by side

  1. 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.

  2. 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.

  3. 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.

  4. 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.

  5. 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.

  6. 2002SpaceX

    SpaceX is founded

    Elon Musk founded Space Exploration Technologies Corp. to reduce launch costs and make Mars settlement technically possible.

  7. 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.

  8. 2007Arm Holdings

    iPhone Launch Accelerates Smartphone Royalty Growth

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

  9. 2008SpaceX

    Falcon 1 reaches orbit

    Falcon 1 became the first privately developed liquid-fuel rocket to reach orbit, rescuing SpaceX after three failed attempts.

  10. 2012SpaceX

    Dragon reaches the ISS

    Dragon became the first private spacecraft to dock with the International Space Station, proving SpaceX could serve NASA cargo missions.

  11. 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.

  12. 2015SpaceX

    Falcon 9 booster landing

    SpaceX landed an orbital-class booster, establishing the technical base for reusable launch economics.

  13. 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.

  14. 2017SpaceX

    Orbital booster reflight

    SpaceX reflown an orbital-class booster, pushing reuse from demonstration into operating model.

  15. 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.

  16. 2020SpaceX

    Crew Dragon carries astronauts

    SpaceX became the first private company to carry astronauts to orbit, restoring U.S. crew launch capability.

  17. 2021SpaceX

    Acquired Swarm Technologies

    SpaceX acquired Swarm Technologies.

  18. 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.

  19. 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.

  20. 2023SpaceX

    Starship flight testing begins

    SpaceX conducted the first integrated Starship flight test, starting the high-risk development cycle for its next launch system.

  21. 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.

  22. 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…

  23. 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.

  24. 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.

  25. 2025SpaceX

    FY2025 revenue reaches $18.674B

    SpaceX reported $18.674B in FY2025 revenue and a $4.937B net loss in its 2026 prospectus.

  26. 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.

  27. 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.

  28. 2026SpaceX

    Prospectus lists SPCX and Starlink scale

    The 2026 prospectus described a Nasdaq listing under SPCX and about 10.3M Starlink subscribers as of March 31, 2026.

Acquisitions

Arm Holdings

  • Treasure Data2018$600M
  • Stream Technologies2018Undisclosed
  • Apical2016$350M
  • Artisan Components2004$913M
All Arm Holdings acquisitions

SpaceX

  • xAI merger2026Undisclosed
  • Swarm Technologies2021Undisclosed
All SpaceX acquisitions

Questions about Arm Holdings vs SpaceX

Who is the CEO of Arm Holdings and SpaceX?

Arm Holdings is led by Rene Haas and SpaceX is led by Elon Musk. Both serve as the top executive responsible for the company's strategy, operations, and financial performance.

When was Arm Holdings founded vs SpaceX?

Arm Holdings was founded in 1990 — 12 years before SpaceX, which was founded in 2002. Arm Holdings's longer operating history gives it a deeper track record but also potentially more institutional inertia compared to the younger SpaceX.

How many employees does Arm Holdings have compared to SpaceX?

Arm Holdings employs approximately 9,584 people, while SpaceX employs approximately 22,621. SpaceX has the larger workforce at 22,621 employees, compared to Arm Holdings's 9,584. A higher headcount does not necessarily imply greater efficiency — it often reflects differences in business model (e.g., manufacturing vs. software).

Where are Arm Holdings and SpaceX headquartered?

Arm Holdings is headquartered in United Kingdom and SpaceX is headquartered in United States. Their different home markets mean they may face different regulatory frameworks, tax regimes, and currency exposure.

Who founded Arm Holdings and SpaceX?

Arm Holdings was founded by Robin Saxby, Sophie Wilson, Steve Furber. SpaceX was founded by Elon Musk.

Which company has a longer operating history — Arm Holdings or SpaceX?

Arm Holdings has been operating for approximately 36 years, making it the more established of the two companies. SpaceX has been in operation for around 24 years. A longer operating history often signals greater institutional resilience and brand recognition, though it can also mean slower adaptation to new market conditions.

Figures come from each company's filings and the sources linked beside them. Amounts reported in another currency are shown in US dollars at an approximate rate and marked with ~. Back to the Arm Holdings vs SpaceX overview

Content is for informational purposes only. Not financial advice. Data sourced from SEC filings, annual reports, and public records. See our full disclaimer and methodology.