# HiddenLayer raises $100 million Series B for AI security tools

_Wednesday, September 2, 2026 at 11:20 AM EDT · Capital, AI · Latest · Tier 2 — Notable_

Austin-based HiddenLayer raised a $100 million Series B led by Delta-v Capital. The company makes security tools intended to protect AI models, agents and workflows. The supplied report identifies the financing and lead investor but does not state how HiddenLayer will use the capital, its valuation, or terms beyond the round size.

## Sources

- [Techmeme](https://www.techmeme.com/260902/p26#a260902p26)

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Retrieved: 2026-09-02T21:16:21.318Z
Publisher: Tech & Business (techandbusiness.org)