Solo.io
PrivateLast Round
Series C
Oct 7, 2021
Est. Valuation
$1B
Total Funding Raised
$174.75M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Solo.io operates in AI, Data & Cloud Infrastructure and is based in Cambridge, Massachusetts. Its latest recorded funding round was a Series C round in October 2021.
Solo.io is an enterprise software company that provides cloud-native application networking, API management, and service mesh solutions.
Sector
AI, Data & Cloud Infrastructure
Verticals
DevOps & Containers, API Management, Cloud Infrastructure, ML Platforms
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Solo.io Comparables
Compare Solo.io with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Kong Inc | 86% | |
| Tetrate | 80% | |
| Kagent | 77% |
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Solo.io Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Oct 7, 2021 | ||||
| Series B | Oct 1, 2020 | ||||
| Series A | Dec 10, 2018 | ||||
| Seed | Nov 1, 2017 | ||||
| Seed | Sep 27, 2017 |
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Key People
Founding team and executive leadership
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Solo.io Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Haystack | Seed |
| WestWave Capital | Seed |
| Redpoint Ventures | Series C, Series B, Series A |
| True Ventures | Seed, Series A, Series C, Series B |
| Altimeter Capital Management | Series C |
Market signals
Structured signals derived from secondary market and firmographic data.
- Nov 10, 2026
Agent Substrate and kagent tools are now generally available.
- Aug 3, 2026
Kagent technology is a CNCF Sandbox project, Agentregistry is a CNCF project.
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Recent news
Latest coverage and updates
- launchesNov 10, 2026
Solo announces the general availability of Agent Substrate on Nov 10th '26, an infrastructure layer for agentic runtimes that provides serverless scale, sandbox isolation, and governed connectivity.
- launchesOct 23, 2026
Solo announces agentshield, an agent defense tool, but provides no launch date.
- attends_eventOct 19, 2026
Solo presents on the future of agentic control planes at AGNTCon+MCPCon North America in California on Oct 22nd-23rd '26.
- launchesSep 10, 2026
Solo launched standalone mode for Solo Enterprise for agentgateway on Sep 10th '26.
- launchesSep 10, 2026
On Sep 10th '26 in Massachusetts, Solo launches standalone mode for Solo Enterprise for agentgateway, a self-contained enterprise gateway that runs in any environment and provides identity, policy, observability, and self-service management for agentic traffic.
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Solo.io 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.
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Frequently Asked Questions
Common questions about Solo.io's valuation, stock price, and market status.
Is Solo.io a public or private company?
Solo.io is a private company.
What is the current stock price of Solo.io?
Solo.io is a private company, so its shares have no public market price. Caplight tracks Solo.io's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Solo.io worth (valuation)?
Solo.io's valuation is estimated at $1.0B based on funding round data.
Can I buy Solo.io stock?
Solo.io shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Solo.io's last funding round?
Solo.io's most recent funding round was Series C on October 7, 2021.
Who are the main investors in Solo.io?
Key investors in Solo.io include Redpoint Ventures, True Ventures, Altimeter Capital Management.
Will Solo.io IPO soon?
No public IPO plans have been announced for Solo.io.
How can I track Solo.io secondary market activity?
Caplight tracks bids, offers, and trades in Solo.io's shares on secondary markets.