Funding record · 2026 / 02

OPAQUE raises $24M Series B for AI security
Announced 12 February 2026 · Recorded 8 September 2026 · Last verified 8 September 2026
OPAQUE, an AI security company based in San Francisco, United States, raised $24M in a Series B announced on 12 February 2026, led by Walden Catalyst Ventures and Advanced Technology Research Council. Its disclosed equity funding is now $55.5M across 4 rounds.
- Amount
- $24M
- Round
- Series B
- Announced
- 12 February 2026
- Lead investors
- Walden Catalyst Ventures, Advanced Technology Research Council
- Sources on record
- 1siliconangle.com
From the source
OPAQUE Raises $24M Series B at $300M Valuation to Advance Confidential AI for the Enterprise
OPAQUE announced a $24 million Series B funding round led by Walden Catalyst Ventures, with participation from Intel Capital, Race Capital, Storm Ventures, Thomvest Ventures, and the Advanced Technology Research Council. The round values the company at $300 million post-money, bringing total funding to $55.5 million. The capital will accelerate development of OPAQUE's Confidential AI platform, which uses cryptographic techniques and hardware-backed protections to enable secure AI computation on sensitive data.
siliconangle.com · 12 February 2026 ↗The Mandos read
What the record says about OPAQUE
- Exit Readiness: Watchlocked →
Tested against 751 past exits in the Mandos record: 43% sat in Watch or Elevated 2 years before. Companies in Elevated exited at 3.1× the record's rate.
- Buyers most often compare OPAQUE with HiddenLayer, Irdeto and Duality Technologies and 4 morelocked →
the full set in the platform
Funding history
OPAQUE funding on record
OPAQUE has raised $55.5M in priced equity. Its most recent round was a Series B in February 2026.
Latest round on record: Series B, Feb 2026.
OPAQUE funding on the profile →In the platform
The round is the fact. The read is the product.
Every round, investor and correction for OPAQUE, the competitors buyers weigh it against, hiring by department, and an alert when the next thing happens.
The same record answers in Claude, ChatGPT and Cursor through the Mandos MCP server.
The Mandos Brief
Cybersecurity funding, deals and moves, every Monday.
FAQ
Questions people ask
- How much did OPAQUE raise in its Series B?
- OPAQUE raised $24M in a Series B announced on 12 February 2026.
- Who invested in OPAQUE's Series B?
- The round was led by Walden Catalyst Ventures, Advanced Technology Research Council.
- What does OPAQUE do?
- OPAQUE is a cybersecurity company specializing in AI Security, founded in 2021 and headquartered in San Francisco, United States.












