Nightfall AI
PrivateLast Round
Series B
Aug 10, 2022
Total Funding Raised
$63.3M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
Nightfall AI is a cybersecurity company that provides an AI-native data loss prevention platform for identifying, classifying, and protecting sensitive data across SaaS applications, generative AI tools, and cloud infrastructure.
Sector
Cybersecurity
Verticals
Data Protection, Cloud Security, Data Governance, Application Security, Compliance & Risk
Business Model
B2B
Customer Profile
Subscription SaaS, Usage-Based SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Nightfall AI Comparables
Compare Nightfall AI with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Polymer Runtime Data Security | 82% | |
| Harmonic Security | 82% | |
| Metomic | 81% |
Nightfall AI Funding Rounds
Historical fundraising activity
Nightfall AI Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Next Legacy Partners | Series B |
| Bain Capital Ventures | Series B, Seed, Series A |
| Webb Investment Network | Series A |
| Pear VC | Series B, Seed, Series A |
| Next Legacy Partners | Series B |
| Next Play Capital | Series B |
| Next Play Capital | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 1, 2026
Building a Linux agent to expand DLP coverage.
- Apr 1, 2026
Serves hundreds of customers according to a job posting.
Nightfall 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 Nightfall AI's valuation, stock price, and market status.
Is Nightfall AI a public or private company?
Nightfall AI is a private company.
What is the current stock price of Nightfall AI?
Nightfall AI is a private company, so its shares have no public market price. Caplight tracks Nightfall AI's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Nightfall AI worth (valuation)?
Valuation information for Nightfall AI is not publicly available.
Can I buy Nightfall AI stock?
Nightfall AI shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Nightfall AI's last funding round?
Nightfall AI's most recent funding round was Series B on August 10, 2022.
Who are the main investors in Nightfall AI?
Key investors in Nightfall AI include Bain Capital Ventures, Venrock, WestBridge Capital.
Will Nightfall AI IPO soon?
No public IPO plans have been announced for Nightfall AI.
How can I track Nightfall AI secondary market activity?
Caplight tracks bids, offers, and trades in Nightfall AI's shares on secondary markets.