Hidden Capital
Hidden Capital is an investor named in the Raise Track Update as backing Ultra Security.
- Type
- Venture capital firm
About
Hidden Capital backed Ultra Security's $10 million seed, announced on 2026-10-21. The issue does not name a lead. The company blog spells Firedrop with a capital F. This page uses the issue's spelling where it differs.
The Raise Track Update names Hidden Capital as an investor in: Ultra Security (2026-10-22).
This page is not indexed by search engines yet. It is promoted once it meets the quality gate for investor pages: a description from the firm's own website, a headquarters city and at least two two-sourced rounds on this site.
Funding rounds on RaiseTrack
| Company | Round | Date | Role |
|---|---|---|---|
| Ultra Security | Seed 2026 | 2026-10-21 | participant |
Sources
Last verified:
- https://ultra.security/blog/ultra-security-raises-10m-seed-to-secure-autonomous-agents
Type: company announcement. Accessed 2026-10-22.
Ultra Security blog. Names Hidden Capital among the seed investors. The blog spells Firedrop with a capital F. - https://www.businesswire.com/news/home/20261021802328/en/Ultra-Security-Emerges-from-Stealth-with-$10M-Seed-Round-to-Secure-Autonomous-Runtimes
Type: funding announcement. Accessed 2026-10-22.
Business Wire release. Names the same six firms and spells firedrop in lowercase. - https://buttondown.com/raisetrack/archive/raise-track-update-2026-10-22/
Type: other verified public source. Accessed 2026-10-22.
Raise Track Update for 2026-10-22. Names Hidden Capital as a backer of Ultra Security's seed. Does not name a lead.