C1
PrivateLast Round
Series B
Oct 28, 2025
Est. Valuation
$350M
Total Funding Raised
$111M
Company Overview
C1 operates in Cybersecurity and is based in San Francisco, California. Its latest recorded funding round was a Series B round in October 2025.
C1 is a cybersecurity software company that develops an AI-native identity security platform to govern access across human, non-human, and AI identities.
Sector
Cybersecurity
Verticals
Identity & Access, Cloud Security, Compliance & Risk
Business Model
B2B
Customer Profile
Subscription SaaS, Services & Consulting
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
C1 Comparables
Compare C1 with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Lumos | 90% | |
| Linx Security | 85% | |
| Andromeda Security | 84% |
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C1 Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Oct 28, 2025 | ||||
| Series A Extension | Aug 8, 2023 | ||||
| Series A | Jun 23, 2022 | ||||
| Seed | Apr 5, 2021 |
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Key People
Founding team and executive leadership
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C1 Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Oregon Venture Fund | Series B |
| Fuel Capital | Seed, Series A |
| Active Capital | Seed, Series A |
| Greycroft | Series B |
| Garuda Ventures | Series A |
| Operator Collective | Series B |
| CrowdStrike Falcon Fund | Series B |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 19, 2026
Launched AI Access Management product extension for unified control plane.
- Jan 27, 2026
Will Bengtson appointed as Chief Information Security Officer.
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Recent news
Latest coverage and updates
- receives_financingOct 23, 2026
C1.AI receives a $79M Series B round led by Greycroft.
- identified_as_competitor_ofOct 15, 2026
Workday's Rob Enslin identifies C1.AI as SailPoint Technologies, Inc.'s real rival as Asia Pacific and Japan customers ask how to stop experimenting with AI on Oct 16th '26.
- launchesSep 28, 2026
C1.AI launches C1 AppHub, a self-hosted platform that deploys, authenticates, and sets permissions for team-built applications, as a public repository in California on Sep 28th '26.
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C1 Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about C1's valuation, stock price, and market status.
Is C1 a public or private company?
C1 is a private company.
What is the current stock price of C1?
C1 is a private company, so its shares have no public market price. Caplight tracks C1's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is C1 worth (valuation)?
C1's valuation is estimated at $350.0M based on funding round data.
Can I buy C1 stock?
C1 shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was C1's last funding round?
C1's most recent funding round was Series B on October 28, 2025.
Who are the main investors in C1?
Key investors in C1 include Greycroft, Felicis Ventures, Accel.
Will C1 IPO soon?
No public IPO plans have been announced for C1.
How can I track C1 secondary market activity?
Caplight tracks bids, offers, and trades in C1's shares on secondary markets.