Fluidstack
Fluidstack provides cloud infrastructure for AI with GPU clusters, orchestration, and monitoring for intensive workloads. The company delivers Atlas OS, a bare-metal operating system for rapid provisioning and smooth management of AI hardware, along with Lighthouse, a platform that monitors and optimizes system performance. Its infrastructure is designed for single-tenant deployment, isolating hardware, network, and storage to maintain security and operational control. Fluidstack supports enterprises, research labs, and government organizations by enabling scalable, dedicated AI compute resources. The platform integrates workload management, performance monitoring, and secure access to facilitate AI training, inference, and data processing. Fluidstack’s technology allows organizations to deploy compute resources quickly while maintaining oversight of system health, workload efficiency, and operational governance.
Founded by Cesar Maklary (CEO, Founder), Gary Wu (Founder), Jamie Cox (Founder)
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Series B | Sep 3, 2026 | $1.5B | $18B |
| Series A | Jan 22, 2026 | $830M | $7.5B |
| Series A | Feb 1, 2025 | $200M | — |
| Round | Oct 1, 2024 | $24.7M | — |
| Seed | Mar 19, 2019 | $3M | — |
- SESeedcamp
- CACacti
- JSJane Street
- SASituational Awareness
- 7&7GC & Co
- MEMercuri
- SCStack Capital
| Kind | Implied valuation | Price / share | Date |
|---|---|---|---|
| $19.2B | $151.69 | Sep 23, 2026 | |
| $19.2B | $151.69 | Sep 22, 2026 | |
| $19.2B | $151.69 | Sep 14, 2026 |
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Data as of Oct 15, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.
