Whalebone
PrivateLast Round
Series B
Feb 18, 2025
Est. Valuation
$4.36M
Total Funding Raised
$20.95M
Company Overview
Whalebone is a cybersecurity company that develops user-centric, no-installation security products for telecommunications companies, internet service providers, enterprises, and public institutions. The company's core offering is a DNS filtering solution that provides protection against malware, phishing, ransomware, and other digital threats without requiring end-user installation. Founded in 2016 and based in Brno, Czech Republic, Whalebone aims to protect users by operating at the network level, securing all connected devices. The company has become a key provider of secure DNS resolution for the European Union and serves hundreds of customers globally with a mission to protect one billion people.
Sector
Cybersecurity
Verticals
Network Security, Telecom Network Security, Threat Intelligence, Cloud Security
Business Model
B2B2C
Customer Profile
Subscription SaaS, Government Contracts, Revenue Share, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Whalebone Comps
Public and private peers based on sector, stage, and business model.
Whalebone Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Feb 18, 2025 | ||||
| Grant | Dec 31, 2022 | ||||
| Series A | May 5, 2021 | ||||
| Seed | Aug 12, 2019 |
Key People
Founding team and executive leadership
Whalebone Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Day One Capital | Series B, Series A |
| Fazole Ventures | Series B, Series A, Seed |
| Unbound | Series B |
| C Capital | Series B |
| European Union | Grant |
| Unbound | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 4, 2026
Products protect tens of millions of users globally.
- Mar 4, 2026
Ranked 22nd in Deloitte's list of fastest-growing companies in Central Europe.
Whalebone Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Whalebone's valuation, stock price, and market status.