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MatX

MatX

Private
Mountain View, CaliforniaAI, Data & Cloud Infrastructurehttps://matx.com/

Last Round

Series B

Feb 24, 2026

Est. Valuation

$1B

Total Funding Raised

$645M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

MatX is a semiconductor company that designs specialized hardware and custom chips optimized for large language models and high-performance AI workloads.

Sector

AI, Data & Cloud Infrastructure

Verticals

Semiconductors, AI Training Infrastructure, Computing Hardware

Business Model

B2B

Customer Profile

Hardware Sales

AI Layer

Infrastructure

Keywords

AI hardwareAI chipLLM trainingAI acceleratorAI infrastructureAI siliconinference hardwareGPU alternativefabless semiconductorfrontier AIAI computetransformer architecturecompute hardwareAI hardware startuphigh-performance compute

Historical Pricing

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Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

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MatX Comparables

Compare MatX with similar companies based on industry and business-model similarity.

MatX comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Fractile
90%
Positron AI
84%
Etched
83%

MatX Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series BFeb 24, 2026
Series ANov 22, 2024
SeedMar 26, 2024
SeedDec 4, 2023

Key People

Founding team and executive leadership

Mike Gunter

Founder and CTO

Founding Team

Reiner Pope

Founder And CEO

Founding Team

MatX Investors

Notable investors and investment history

MatX investors
InvestorRounds
Benchmark CapitalSeries A
SV AngelSeed
Jane StreetSeries A, Series B
ConvictionSeries A
Triatomic CapitalSeries B
Founders FundSeries A
Sequoia CapitalSeries A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 25, 2026

    Grew 28% QoQ, from 109 to 139 employees.

  • Aug 17, 2026

    Open roles increased to 157, 125% of headcount.

MatX Filings

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MatX filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

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Frequently Asked Questions

Common questions about MatX's valuation, stock price, and market status.

Is MatX a public or private company?

MatX is a private company.

What is the current stock price of MatX?

MatX is a private company with no public stock price. No recent secondary market data is available.

How much is MatX worth (valuation)?

MatX's valuation is estimated at $300.0M based on funding round data.

Can I buy MatX stock?

MatX shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was MatX's last funding round?

MatX's most recent funding round was Series B on November 22, 2024.

Who are the main investors in MatX?

Key investors in MatX include Jane Street, Spark Capital.

Will MatX IPO soon?

No public IPO plans have been announced for MatX.

How can I track MatX secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor MatX's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersMountain View, California
Employee Range111
Year Founded2023
Last FundingFeb 24, 2026

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