Bolster
PrivateLast Round
Series B
May 22, 2024
Total Funding Raised
$39M
Company Overview
Bolster is a cybersecurity company that provides an artificial intelligence-driven platform for real-time detection and automated takedown of phishing, fraud, and digital impersonation threats.
Sector
Cybersecurity
Verticals
Threat Intelligence, Application Security, Compliance & Risk, Email Security
Business Model
B2B
Customer Profile
Subscription SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Bolster Comparables
Compare Bolster with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Redflag AI | 87% | |
| Tracer | 85% | |
| BforeAI | 83% |
Bolster Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | May 22, 2024 | ||||
| Series A Extension | Oct 18, 2022 | ||||
| Series A | Nov 5, 2019 |
Bolster Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Rain Capital | Series A |
| Liberty Global Ventures | Series B, Series A Extension |
| Crosslink Capital | Series B, Series A Extension, Series A |
| M12 - Microsoft's Venture Fund | Series B |
| Cervin Ventures | Series B, Series A Extension |
| Transform Capital | Series B |
| Cheyenne Ventures | Series B, Series A Extension |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 30, 2026
CEO attended RSAC 2026 to discuss fraud landscape.
- Mar 4, 2026
Monthly visitors increased 177% MoM, reaching 120.2K.
Recent news
Latest coverage and updates
- launchesJul 21, 2026
Bolster, Inc. launched Fraudulent Ads Monitoring on Jul 21st '26.
Bolster 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 Bolster's valuation, stock price, and market status.
Is Bolster a public or private company?
Bolster is a private company.
What is the current stock price of Bolster?
Bolster is a private company with no public stock price. No recent secondary market data is available.
How much is Bolster worth (valuation)?
Valuation information for Bolster is not publicly available.
Can I buy Bolster stock?
Bolster 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 Bolster's last funding round?
Bolster's most recent funding round was Series B on May 22, 2024.
Who are the main investors in Bolster?
Key investors in Bolster include Liberty Global Ventures, Crosslink Capital, M12 - Microsoft's Venture Fund, Cheyenne Ventures, Thomvest Ventures.
Will Bolster IPO soon?
No public IPO plans have been announced for Bolster.
How can I track Bolster secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Bolster's secondary market activity and sign up for updates.