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RadixArk

RadixArk

Private
Palo Alto, CaliforniaAI, Data & Cloud Infrastructurehttps://www.radixark.ai/

Last Round

Seed

May 5, 2026

Est. Valuation

$400M

Total Funding Raised

$170M

Momentum

Top 1%

of companies Caplight tracks

Company Overview

RadixArk is an AI infrastructure company that provides large-scale inference and training systems for developers, enterprises, and research labs.

Sector

AI, Data & Cloud Infrastructure

Verticals

AI Training Infrastructure, Cloud Infrastructure, ML Platforms, NLP & Conversational AI

Business Model

B2B

Customer Profile

Usage-Based SaaS, Services & Consulting

AI Layer

Infrastructure

Keywords

LLM servingLLM inferenceSGLangAI infrastructureinference optimizationLLM runtimevLLM alternativeGPU servingKV cacheconstrained decodingmodel serving engineAI model deploymentinference accelerationLLM opsML platform

Historical Pricing

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Caplight Momentum Score

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RadixArk Comparables

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RadixArk comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Inferact
91%
FriendliAI
86%
Deep Infra Inc.
75%

RadixArk Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
SeedMay 5, 2026
SeedJan 22, 2026
AngelAug 1, 2025

Key People

Founding team and executive leadership

Ying Sheng

Co-Founder (CEO)

Founding Team

RadixArk Investors

Notable investors and investment history

RadixArk investors
InvestorRounds
NVenturesSeed
A&E InvestmentsSeed
Walden CatalystSeed
LDV PartnersSeed
NVenturesSeed
Spark CapitalSeed
HOF CapitalSeed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jul 2, 2026

    Grew 76% QoQ, from 25 to 44 employees.

  • May 5, 2026

    $100M round led by Accel and Spark Capital.

RadixArk Filings

SEC and related filings with document metadata.

Data table
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RadixArk Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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

Firmographic Details

HeadquartersPalo Alto, California
Employee Range44
Year Founded2025
Last FundingMay 5, 2026

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