A5X
A derivatives exchange and clearing house being built for Brazil’s financial markets.
R$360MSeries D
LeadMS
Morgan Stanley
Activity from announced rounds
Activity in this selectionOct 18, 2026 · Jul 21, 2026
Morgan Stanley is the bank named as a strategic investor by Arcade and through its strategic-investments team by HiddenLayer.
Recorded funding activity
Arcade authorizes agent actions across business systems. HiddenLayer protects AI assets, while A5X develops Brazilian exchange infrastructure. The bank-level history does not absorb named funds or independent units.
Sources
- Rounds participated in
- 2
- Confirmed lead rounds
- 1 All roles disclosed
- New companies
- 2 First participation on record · 0 follow-on
- Funding in participating rounds
- $169.8M 2 disclosed · full round size, not this investor’s share
By stage
By primary sector
By country
Rounds
2 in this selectionHiddenLayer
HiddenLayer sells cybersecurity software built specifically to protect AI models, agents and applications. Its platform discovers AI assets, scans models and their supply chains, tests for adversarial attacks and monitors deployed systems for threats across the AI development and operating lifecycle.
$100MSeries B
Participant