Arthur AI
PrivateLast Round
Early Funding
Jul 21, 2026
Est. Valuation
$43.05M
Total Funding Raised
$63M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Arthur AI is an enterprise software company that provides a machine learning observability and performance platform to monitor, measure, and secure artificial intelligence models in production.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, Data Governance, Application Security, NLP & Conversational AI, Compliance & Risk
Business Model
B2B
Customer Profile
Subscription SaaS, Usage-Based SaaS
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Arthur AI Comparables
Compare Arthur AI with similar companies based on industry and business-model similarity.
Arthur AI Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | Jul 21, 2026 | ||||
| Series B | Sep 27, 2022 | ||||
| Series A | Dec 9, 2020 | ||||
| Seed | Dec 11, 2019 |
Arthur AI Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Work-Bench | Early Funding, Series A, Series B, Seed |
| BAM Elevate | Series B |
| Acrew Capital | Early Funding, Series A, Series B |
| AME Ventures | Seed, Series A |
| Greycroft | Series B |
| Index Ventures | Series B, Seed, Series A |
| Quarry Ventures | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 29, 2026
Monthly visitors grew 35% MoM, reaching 25K.
- Jul 21, 2026
Raised $3M in a seed funding round.
Arthur AI Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Request accessFrequently Asked Questions
Common questions about Arthur AI's valuation, stock price, and market status.
Is Arthur AI a public or private company?
Arthur AI is a private company.
What is the current stock price of Arthur AI?
Arthur AI is a private company, so its shares have no public market price. Caplight tracks Arthur AI's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Arthur AI worth (valuation)?
Arthur AI's valuation is estimated at $43.0M based on funding round data.
Can I buy Arthur AI stock?
Arthur AI shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Arthur AI's last funding round?
Arthur AI's most recent funding round was Early Funding on July 21, 2026.
Who are the main investors in Arthur AI?
Key investors in Arthur AI include Work-Bench, Acrew Capital, Greycroft, Index Ventures.
Will Arthur AI IPO soon?
No public IPO plans have been announced for Arthur AI.
How can I track Arthur AI secondary market activity?
Caplight tracks bids, offers, and trades in Arthur AI's shares on secondary markets.