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#238 by ARRSan Francisco, USpositron.ai ↗

Positron AI

Positron is an AI infrastructure company that designs and supplies purpose-built hardware and software systems for transformer-based models.

ARR
$20M
as of Sep 2026
Employees
~150
as of Oct 2026
Valuation
$5B
250× ARR
ARR / employee
$133K
revenue efficiency
About Positron AI

Positron is an artificial intelligence infrastructure company that designs and supplies purpose-built hardware and software systems for accelerating inference of transformer-based models used in generative AI workloads. Its offerings include inference-optimized compute platforms that support deployment of large language models and other AI applications with reduced power consumption and enhanced performance compared with traditional GPU-based systems, enabling enterprise and cloud teams to serve models efficiently with lower operational cost and energy use. The company’s technology is engineered to run popular open-source transformer models seamlessly through compatible APIs, facilitating integration into existing AI workflows without extensive modification. Positron’s platforms combine custom hardware architectures with supporting software to help customers scale AI deployment, manage performance, and extend model context capacity for diverse workloads. It also works to advance next-generation compute solutions that address memory bandwidth and scalability challenges common in AI inference environments. Positron engages with technical and infrastructure teams to deploy its systems in data center and cloud environments where inference workloads require cost-effective, high-throughput processing.

Positron is an AI infrastructure company that designs and supplies purpose-built hardware and software systems for transformer-based models. Crunchbase rank #59.

Investors · 24

LeadAndra CapitalVenture capital11 partners on file
LeadAtreides ManagementVenture capital
LeadNEAVenture capital54 partners on file
LeadSemiAnalysis CapitalVenture capital11 partners on file
LeadValor Equity PartnersPrivate equity26 partners on file
BoardArena Private WealthFamily office· Ari Schottenstein (Arena)
BoardAtreides ManagementVenture capital· Gavin Baker (Atreides Management)
BoardDFJ GrowthVenture capital· Randy Glein (DFJ Growth)17 partners on file
BoardJim Clark Family OfficeVenture capital· Thomas Jermoluk (Jim Clark Office / Family Office)
BoardNEAVenture capital· Forest Baskett (NEA)54 partners on file
BoardResilience ReserveVenture capital· Rob Reid (Resilience Reserve)
BoardSemiAnalysis CapitalVenture capital· Dylan Patel (Founder and CEO of SemiAnalysis Capital)11 partners on file
Investor1517 FundVenture capital5 partners on file
InvestorArena Private WealthFamily office
InvestorArm HoldingsCorporate15 partners on file
InvestorBanyan VenturesVenture capital
InvestorBoardman Bay Capital ManagementVenture capital1 partner on file
InvestorCisco InvestmentsCorporate12 partners on file
InvestorDFJ GrowthVenture capital17 partners on file
InvestorFlume VenturesVenture capital
InvestorHelenaVenture capital3 partners on file
InvestorHudson River Trading (HRT)Venture capital2 partners on file
InvestorJump TradingAsset manager / other15 partners on file
InvestorLiberty Global Tech VenturesCorporate3 partners on file
InvestorNatural CapitalVenture capital1 partner on file
InvestorNaver VenturesCorporate15 partners on file
InvestorQatar Investment AuthoritySovereign fund87 partners on file
InvestorResilience ReserveVenture capital
InvestorUnlessVenture capital1 partner on file
InvestorVentureTech AllianceVenture capital
279 partner contacts across these firms, emails and LinkedIn are in Investor Contacts for paid members.

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