Ampere Computing Acquisition, Valuation, Funding & Investors

Ampere Computing was acquired by SoftBank for $6.5B in March 2025.

Ampere Computing acquisition price

$6.5B

Acquired by SoftBank · Mar 2025

Ampere Computing revenue at acquisition

$16M

Last twelve months · Mar 2025

Cumulative funding Ampere Computing raised

$514M

across 4 funding rounds

Key investors in Ampere Computing

Ampere Computing Overview

About Ampere Computing

Ampere Computing is a Santa Clara-headquartered fabless semiconductor company that develops ARM-based processors for cloud data centers and edge computing. Its Ampere Altra processors feature up to 128 cores and deliver high performance per watt for hyperscale environments. The firm supplies chips to platforms like AWS Graviton and Oracle Cloud Infrastructure, optimizing workloads in AI inference, web serving, and 5G virtual network functions. Ampere processors support Linux distributions and container orchestration systems including Kubernetes.


Founded

2017

HQ

United StatesSan Jose, CA

Status

Acquired

Customer focus

B2B

Revenue model

Product sales

Revenue

$16M (Mar 2025)

Valuation

$6.5B (acquired Mar 2025)

Ampere Computing Acquisition

Ampere Computing was acquired by SoftBank for $6.5B on 20 March 2025.

Before the acquisition Ampere Computing had raised $514M across 4 funding rounds.

Ampere Computing, a Santa Clara-based semiconductor design company founded in 2017 by Renée J. James, specializes in high-performance, energy-efficient ARM-based processors for cloud-native computing, data centers, and sustainable AI workloads, employing around 1,000 engineers and advancing its AmpereOne roadmap. SoftBank Group Corp., a Japanese conglomerate and majority shareholder in Arm Holdings, acquired Ampere for $6.5 billion (approximately ¥973 billion) in an all-cash transaction announced on March 19, 2025, through its subsidiary Silver Bands 6 (US) Corp., with Carlyle and Oracle selling their stakes. The deal positions Ampere as a wholly owned subsidiary retaining its name and operations, financed partly by borrowings from Mizuho Bank, amid SoftBank's AI infrastructure push including ventures like Cristal Intelligence, Stargate, and Graphcore. SoftBank's strategic rationale centers on accelerating artificial super intelligence through Ampere's semiconductor expertise, integrating it with the Arm ecosystem and group companies to enhance high-performance computing for AI and cloud markets. The transaction, approved by SoftBank's board on March 17, 2025, closed on November 25, 2025, after regulatory approvals, with Ampere's financials now consolidated into SoftBank's statements; the impact on consolidated results remains under review. Masayoshi Son emphasized Ampere's role in U.S. AI innovation, while James highlighted alignment on AI advancement and the AmpereOne processor roadmap. The acquisition strengthens SoftBank's control over energy-efficient data center chips amid rising demand for scalable AI compute, complementing its Arm and Graphcore holdings to build an integrated ecosystem, with positive market reaction including SoftBank shares rising up to 8% post-closure.

Ampere Computing acquisition details
AcquirerDateTypePriceEV/Revenue
20 Mar 2025Strategic M&A$6.5B406.3x

Ampere Computing Funding History

Ampere Computing has raised a total of $514M across 4 funding rounds, plus 1 secondary share sale.

Ampere Computing's first fundraising round was a $46M strategic investment round in December 2017. The most recent completed round was a $128M undisclosed-stage round in April 2022.

Ampere Computing funding rounds

Ampere Computing funding rounds
DateStageInvestorsRaisedDeal Summary
Apr 2022Undisclosed stageOracle (lead)$128MAmpere Computing is a semiconductor design company specializing in high-performance, energy-efficient Arm-based processors for data centers and cloud computing, targeting competition with Intel and AMD in server chips. Founded in 2017 by Renée James, a former Intel executive, Ampere received investments from Oracle, including a $300 million round in 2021 solely backed by Oracle, bringing total Oracle backing to $400 million by April 2022. Oracle's stake grew to 29% by May 2024, with options for control, but shifted strategy led to selling its position for a $2.7 billion pre-tax gain following SoftBank's acquisition. Ampere's Altra CPUs powered virtual machines in Oracle Cloud and Microsoft Azure (in preview by 2022), capturing less than 1% of the server market but gaining traction with hyperscalers seeking cost-effective Arm alternatives. The company explored paths like IPO, acquisition by Arm, or further investment but faced challenges, with total funding around $800 million by 2022. In March 2025, SoftBank announced acquisition of Ampere, completed November 25, 2025, making it a wholly owned subsidiary to bolster AI infrastructure like the Stargate Project. Oracle later deemed its stake non-strategic, favoring in-house chip design.
Apr 2022SecondaryOracle (lead)$128MAmpere Computing designs high-performance, energy-efficient processors specialized for next-generation cloud computing and AI workloads based on the ARM compute platform. The company reported revenue of $151.822 million for the financial year ended December 2022, alongside an operating loss of $518.290 million and net loss of $513.815 million. It had total assets of $517.800 million and negative net assets of $264.915 million at that time. Ampere had raised around $800-814 million in prior funding by April 2022, with investors including Oracle and Carlyle Group. Oracle held a significant stake, later reaching 29% by May 2024. Later, SoftBank acquired Ampere for $6.5 billion in March 2025, with Oracle and Carlyle selling their stakes.
Mar 2021Strategic investmentOracle (lead)$300M-
Sep 2019Strategic investmentOracle (lead)$40MAmpere Computing develops 64-bit Arm server-class processors for cloud and edge servers, emphasizing performance and energy efficiency. Oracle invested $40 million in April 2019, acquiring less than 20 percent of the company's outstanding shares, with the investment disclosed in September 2019 due to Ampere CEO Renée James serving on Oracle's board. Oracle also appointed a board member to Ampere's board and paid about $419,000 for development and testing hardware in fiscal 2019. Ampere had previously received investments from SoftBank's Arm Holdings and The Carlyle Group, though details were not publicized at the time. The company, led by former Intel executive Renée James, positions its processors as alternatives to x86 architectures, with Oracle Linux supporting 64-bit Arm processors. This investment occurred amid Oracle's strategic shifts, including downsizing its low-margin SPARC hardware business and focusing on cloud services. Later developments include Oracle's additional investments and prepayments totaling over $400 million in subsequent years, Arm holding a 6.8 percent stake valued at $389.8 million as of March (recent fiscal year), and Ampere filing for an IPO with launches like the AmpereOne processor family.
Dec 2017Strategic investmentOracle (lead)$46M-

Who has invested in Ampere Computing?

1 investor has backed Ampere Computing across its funding rounds, including Oracle.

Lead investors include Oracle.


Ampere Computing Investors

Investors in Ampere Computing by funding rounds participated
InvestorHQRoundsRoleFirst check

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Benchmark 350K+ Funding Rounds and Disclosed VC Valuation Multiples

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Acquisitions by Ampere Computing

Ampere Computing has acquired 1 company to date.

Last acquisition by Ampere Computing was on July 28th 2021. Ampere Computing acquired OnSpecta for undisclosed valuation.


Latest Acquisitions by Ampere Computing

OnSpecta
Description
OnSpecta is a provider of Deep Learning Software that optimizes AI inference on CPUs for cloud and edge deployments. The DLS engine accelerates workloads in frameworks like TensorFlow and PyTorch, delivering performance gains for computer vision and NLP applications in data centers worldwide.
HQ CountryUnited States
HQ City
San Francisco, CA
Deal Date28 Jul 2021
Valuationundisclosed
EV/Revenue
EV/EBITDA

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Ampere Computing Competitors

Ampere Computing competitors include listed companies like D-Wave Quantum and Core Scientific, and private ones like GTA Semiconductor, PsiQuantum, Lightmatter and SiFive.

Public and private companies comparable to Ampere Computing
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
GTA SemiconductorChinaShanghaiPrivate--$6.3B-
PsiQuantumUnited StatesSan Francisco, CAPrivate--$7B-
LightmatterUnited StatesSan Francisco, CAPrivate$50M-$4.4B-
SiFiveUnited StatesSan Francisco, CAPrivate$116M-$3.6B-
D-Wave QuantumUnited StatesUnited StatesPublicly listed$25M($373M)$6.7B166.4x
Core ScientificUnited StatesUnited StatesPublicly listed$319M($211M)$5.5B13.9x

Ampere Computing Public Comps

Ampere Computing is no longer listed, but its public comps include SUMCO, Wuxi Taiji Industry, Chongqing Genori Technology, Grinm Advanced Materials, Dynamic Electronics Co, eMemory Technology, Powertech Technology, D-Wave Quantum, Camtek and Win Semiconductors.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
SUMCO$2.6B$726M3.2x3.0x11.8x10.5x
Wuxi Taiji Industry$4.6B$243M1.3x-25.2x-
Chongqing Genori Technology$129M$49M49.0x-130.4x-
Grinm Advanced Materials$1.4B$70M4.5x4.6x93.1x86.4x
Dynamic Electronics Co$709M$116M10.2x-62.2x-
eMemory Technology$121M$76M51.4x44.7x82.2x69.3x
Powertech Technology$2.4B$659M3.1x2.6x11.0x8.8x
D-Wave Quantum$25M($373M)252.9x166.4x(16.7x)(56.5x)

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Common questions about Ampere Computing

When was Ampere Computing founded?Ampere Computing was founded in 2017.
Where is Ampere Computing headquartered?Ampere Computing is headquartered in San Jose, CA, United States.
Is Ampere Computing publicly listed?No, Ampere Computing was acquired by SoftBank in March 2025.
Who acquired Ampere Computing?Ampere Computing was acquired by SoftBank in March 2025.
How much was Ampere Computing acquired for?Ampere Computing was acquired for $6.5B in March 2025.
How much funding has Ampere Computing raised?Ampere Computing has raised $514M across 4 funding rounds.
What was Ampere Computing's last funding round?Ampere Computing's last funding round was a $128M undisclosed-stage round in April 2022, led by Oracle.
Who are Ampere Computing's investors?Ampere Computing's investors include Oracle.
Which companies are comparable to Ampere Computing?Companies comparable to Ampere Computing include GTA Semiconductor, PsiQuantum, Lightmatter, SiFive, D-Wave Quantum and Core Scientific.
How many companies has Ampere Computing acquired?Ampere Computing has acquired 1 company, including OnSpecta.

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