Arthur AI
PrivateLast Round
Early Funding
Aug 10, 2026
Est. Valuation
$154.35M
Total Funding Raised
$63.6M
Momentum
Top 50%
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, NLP & Conversational AI, Compliance & Risk
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting
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 | Aug 10, 2026 | ||||
| Series B | Sep 27, 2022 | ||||
| Series A | Dec 9, 2020 | ||||
| Seed | Dec 11, 2019 | ||||
| Seed | Aug 1, 2019 |
Arthur AI Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Work-Bench | Series A, Series B, Seed |
| BAM Elevate | Series B |
| Acrew Capital | 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.
- Aug 10, 2026
Raised $3M in a seed funding round.
- Jul 29, 2026
Monthly visitors grew 35% MoM, reaching 25K.
Arthur AI Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Arthur AI's valuation, stock price, and market status.
Is Arthur a public or private company?
Arthur is a private company.
What is the current stock price of Arthur?
Arthur is a private company with no public stock price. No recent secondary market data is available.
How much is Arthur worth (valuation)?
Arthur's valuation is estimated at $154.3M based on funding round data.
Can I buy Arthur stock?
Arthur 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 Arthur's last funding round?
Arthur's most recent funding round was Series B on September 27, 2022.
Who are the main investors in Arthur?
Key investors in Arthur include Work-Bench, Acrew Capital, Greycroft, Index Ventures.
Will Arthur IPO soon?
No public IPO plans have been announced for Arthur.
How can I track Arthur secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Arthur's secondary market activity and sign up for updates.