Socket
About Socket
Socket is a Cybersecurity startup based in San Francisco, CA that has raised $125M in venture capital across 4 funding rounds since 2020. The company reached Series C stage in May 2022 with a $4.6M round led by institutional investors. Socket's investor base includes 4 institutional funds, with Thrive Capital leading the most recent equity round.
Socket is a San Francisco-based software supply chain security company that protects open-source dependencies against malicious packages, nation-state attacks, and zero-day vulnerabilities in npm, PyPI, Maven, and other registries. Founded in 2020 by open-source champion Feross Aboukhadijeh, Socket's platform integrates directly into CI/CD pipelines and IDEs, blocking attacks before they reach production for enterprise customers including Anthropic, Cursor, and thousands of developer teams. Its $60 million Series C round at a $1 billion unicorn valuation was led by Thrive Capital and reflects surging demand for AI-era software security.
Socket Funding Rounds Timeline
4 rounds · $125M raised · since 2020
| Round | Date | Amount | Valuation | Lead investor | Co-investors |
|---|---|---|---|---|---|
| Seed | May 2022 | $4.6M | — | — | — |
| Series A | Aug 2023 | $20M | — | Andreessen Horowitz | — |
| Series B | Oct 2024 | $40M | — | Abstract Ventures | Andreessen Horowitz |
| Series C | May 2026 | $60M | $1B | Thrive Capital | Andreessen Horowitz, Abstract Ventures, Capital One Ventures |
Investors in Socket
4 institutional investors across 4 rounds
Lead investors
Co-investors
Recent news about Socket
- FundingCode security startup Socket raises $60M in fundingMay 2026
Questions about Socket
How much has Socket raised?
Socket has raised $125M across 4 funding rounds since 2020.
Who are the investors of Socket?
Socket's investors include Thrive Capital, Abstract Ventures, Andreessen Horowitz, Capital One Ventures.
When was Socket's last funding round?
Socket's most recent round was a $4.6M Seed in May 2022.
What is Socket's valuation?
Socket reached a $1B valuation (unicorn status) with its Seed round in May 2022.
Where is Socket headquartered?
Socket is headquartered in San Francisco, CA, and was founded in 2020 by Feross Aboukhadijeh.