Tailscale
PrivateLast Round
Series C
Apr 8, 2025
Est. Valuation
$1.5B
Total Funding Raised
$275M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Tailscale operates in Cybersecurity and is based in Toronto. Its latest recorded funding round was a Series C round in April 2025.
Tailscale is a cybersecurity company that offers a corporate virtual private network (VPN) designed for secure, low-latency connections among teams of any size, featuring quick setup and integration with existing identity providers.
Sector
Cybersecurity
Verticals
Zero Trust, Cloud Security, Identity & Access, Network Security, Cloud Infrastructure
Business Model
B2B
Customer Profile
Subscription SaaS, Freemium
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Tailscale Comparables
Compare Tailscale with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Twingate | 85% | |
| Teleport | 83% | |
| NetBird | 81% |
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Tailscale Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series C | Apr 8, 2025 | ||||
| Series B | May 4, 2022 | ||||
| Series A | Nov 10, 2020 | ||||
| Seed | Apr 2, 2020 |
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Key People
Founding team and executive leadership
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Tailscale Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Uncork Capital | Series C, Series A, Series B, Seed |
| TenOneTen Ventures | Series A |
| Gaingels | Series B |
| Heavybit | Series C, Series A, Series B, Seed |
| CRV | Series C, Series B |
| Insight Partners | Series C, Series B |
| Accel | Series B, Series C, Series A |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 31, 2026
Launched 'Tailscale PAM', a privileged access management product.
- Jul 31, 2026
Announced 'Aperture', an AI connectivity gateway product.
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Recent news
Latest coverage and updates
- launchesNov 4, 2026
Tailscale releases Services, which gives Docker containers HTTPS names on a tailnet without requiring a reverse proxy or a sidecar per container.
- has_issues_withOct 28, 2026
Tailscale patches critical vulnerabilities in its built-in SSH server that allow compromised nodes to escalate privileges and gain root access to other servers on Oct 27th '26.
- launchesOct 28, 2026
Tailscale releases version 1.104.4 on Oct 28th '26 to fix flaws in its built-in SSH server that could let attackers reach services and files on other servers reserved for the root user.
- has_issues_withOct 27, 2026
On Oct 27th '26, Tailscale is getting ready to ship a client update addressing privilege escalation weaknesses in Tailscale SSH, whose details are public before fixes are available.
- has_issues_withOct 27, 2026
Tailscale has issues with Tailworm, a cluster of 11 vulnerabilities affecting released Tailscale builds and self-hosted headscale that can enable credential theft, crashes or resource exhaustion, and root-privilege escalation, and it races to patch them in Oct '26.
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Tailscale 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 Tailscale's valuation, stock price, and market status.
Is Tailscale a public or private company?
Tailscale is a private company.
What is the current stock price of Tailscale?
Tailscale is a private company, so its shares have no public market price. Caplight tracks Tailscale's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Tailscale worth (valuation)?
Tailscale's valuation is estimated at $1.5B based on funding round data.
Can I buy Tailscale stock?
Tailscale shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Tailscale's last funding round?
Tailscale's most recent funding round was Series C on April 8, 2025.
Who are the main investors in Tailscale?
Key investors in Tailscale include Heavybit, CRV, Insight Partners, Accel.
Will Tailscale IPO soon?
No public IPO plans have been announced for Tailscale.
How can I track Tailscale secondary market activity?
Caplight tracks bids, offers, and trades in Tailscale's shares on secondary markets.