The Onyx platform oversees how AI agents are used, ensures they are secure and compliant, and measures their effectiveness across the enterprise.
Location: United States
Total raised: $153M
Valuation: $640M
Investors 1
| Date | Name | Website |
| 11.11.2025 | Sunflower ... | sunflowerc... |
Funding Rounds 2
| Date | Series | Amount | Investors |
| 30.07.2026 | Series B | $113M | Conviction |
| 12.03.2026 | - | $40M | - |
Mentions in press and media 13
| Date | Title | Description |
| 31.07.2026 | Onyx Security Secures $113M: Taming Autonomous AI in the Enterprise | Onyx Security secures $113M in Series B funding. This investment boosts its valuation to $640M. The funding addresses critical, emerging AI governance needs. Autonomous AI agents rapidly integrate into enterprise workflows. They also introd... |
| 31.07.2026 | Deep Tech Reshapes Venture Capital: AI Infrastructure Commands Billions | Venture capital rapidly reorients. Major investments now target foundational infrastructure for the booming AI economy. This pivotal shift prioritizes hardware-heavy deep tech. Key sectors include advanced space technology, innovative clean... |
| 30.07.2026 | Venture Capital & Startup Funding Roundup, July 30, 2026: Bessemer Venture Partners, G2 Venture Partners, ICONIQ Growth, Kleiner Perkins, Lightspeed & More | Tech investors are doubling down on the infrastructure underpinning today’s AI boom – from satellites in orbit to power-hungry data centers on Earth. The day’s largest deals span space tech, clean energy and AI-infused enterprise platforms,... |
| 30.07.2026 | Onyx Security Raises $113 Million Series B To Control Advanced AI | Onyx Security announced a $113 million Series B funding round led by Bessemer Venture Partners. The round included participation from Cyberstarts, TCV, Conviction, FirstMark, Vintage, QuantumLight, and G Squared, bringing the company’s tota... |
| 30.07.2026 | Israeli cyber startup raises $113m to secure and control autonomous AI agents | Israeli cyber startup Onyx Security announced on Thursday that it has nabbed $113 million in funding to build a platform that lets humans stay in control, as advanced autonomous systems and smart artificial intelligence agents ramp up in th... |
| 30.07.2026 | Onyx Security Raises $113M in Series B Funding | Onyx Security, a NYC-based provider of a secure AI control plane platform for enterprises, raised $113M in Series B funding. The round was led by Bessemer Venture Partners with participation from Cyberstarts, TCV, Conviction, FirstMark, Vin... |
| 30.07.2026 | Polar Raises $5.7M in Seed Funding | Polar, a San Francisco, CA-based provider of an AI browser platform that automates knowledge work, raised $5.7M in Seed funding. The round was led by Madrona with participation from Thomas Dohmke and Erik Bernhardsson. The company intends t... |
| 30.07.2026 | Onyx Security Raises $113 Million Series B To Scale Next-Gen AI Agent Governance Models | Just four months after its $35 million Series A round, Onyx raises in a $113 million Series B round to bring its valuation to $640. The investment round was led by Bessemer Venture Partners. Additional backing came from Cyberstarts, TCV, Co... |
| 12.03.2026 | Israel’s cybersecurity startup Onyx Security emerges from stealth with $40M to secure the next wave of AI agents | Artificial intelligence agents are moving from research labs into corporate systems at an astonishing pace. Companies now let software agents read data, make decisions, and execute tasks across internal platforms. That shift creates a new s... |
| 12.03.2026 | Onyx Security Launches With $40M | NEW YORK, NY, Onyx Security today announced its launch and $40 million in funding from Conviction and Cyberstarts. >> Click here for more funding data on Onyx Security >> To export Onyx Security funding data to PDF and Excel, c... |
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