depthfirst
PrivateLast Round
Series B
Mar 31, 2026
Est. Valuation
$580M
Total Funding Raised
$120M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
depthfirst operates in Cybersecurity and is based in San Francisco, California. Its latest recorded funding round was a Series B round in March 2026.
depthfirst is a cybersecurity company that provides an AI-native security platform, General Security Intelligence, to detect, triage, and remediate vulnerabilities across software and infrastructure.
Sector
Cybersecurity
Verticals
Application Security, Vulnerability Management, Cloud Security, Threat Intelligence
Business Model
B2B
Customer Profile
Subscription SaaS, Usage-Based SaaS
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
depthfirst Comparables
Compare depthfirst with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Staris AI | 80% | |
| Straiker | 71% | |
| Pi Security | 54% |
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depthfirst Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Mar 31, 2026 | ||||
| Series A | Jan 14, 2026 |
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Key People
Founding team and executive leadership
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depthfirst Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| SV Angel | Series A |
| Mantis Venture Capital | Series B, Series A |
| Forerunner Ventures | Series B |
| Alt Capital | Series B, Series A |
| BoxGroup | Series B, Series A |
| Meritech Capital Partners | Series B |
| Liquid 2 Ventures | Series B, Series A |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 1, 2026
Grew 38% QoQ, from 42 to 58 employees.
- Jul 25, 2026
Monthly visitors increased 128% MoM, reaching 72.9K.
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Recent news
Latest coverage and updates
- launchesSep 29, 2026
On Sep 29th '26, depthfirst Inc. is introducing Agentic Pentesting, autonomous agents that attack running applications like elite security researchers to find and validate vulnerabilities with or without source code access.
- adopts_technologySep 28, 2026
On Sep 28th '26, depthfirst Inc. ran Codex alongside the depthfirst PR Security Reviewer to compare general-purpose and security-focused code review.
- launchesSep 23, 2026
depthfirst Inc. releases exploit code targeting Ubuntu 26.04 that enables container escape and host-root access through an unpatched Linux kernel flaw.
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depthfirst 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 depthfirst's valuation, stock price, and market status.
Is depthfirst a public or private company?
depthfirst is a private company.
What is the current stock price of depthfirst?
depthfirst is a private company, so its shares have no public market price. Caplight tracks depthfirst's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is depthfirst worth (valuation)?
depthfirst's valuation is estimated at $580.0M based on funding round data.
Can I buy depthfirst stock?
depthfirst shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was depthfirst's last funding round?
depthfirst's most recent funding round was Series B on March 31, 2026.
Who are the main investors in depthfirst?
Key investors in depthfirst include Meritech Capital Partners, Accel.
Will depthfirst IPO soon?
No public IPO plans have been announced for depthfirst.
How can I track depthfirst secondary market activity?
Caplight tracks bids, offers, and trades in depthfirst's shares on secondary markets.