DayOne
DayOne develops and operates digital infrastructure focused on hyperscale data center solutions that support cloud, AI, and edge computing workloads. The company provides modular build systems, high-efficiency cooling technologies, and infrastructure management tools designed for rapid deployment, scalability, and operational resilience. Its offerings include interconnected data center clusters and sustainable designs that integrate renewable-ready systems and low-carbon construction practices to align with clean energy goals. DayOne configures sites with an emphasis on reducing deployment time and enabling low-latency connectivity for technology platforms and enterprise customers. Its services are tailored to anticipate growth demands and support enterprise-level digital operations.
Founded by William Wei Huang (Founder (executive chairman until April 2026); founder of parent GDS Holdings)
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Series C | Jun 5, 2026 | $4.5B | — |
| Series B | Oct 29, 2024 | $1.2B | — |
| Series A | Mar 26, 2024 | $587M | $1.3B |
- COCoatue
- HIHillhouse Investment
- SVSoftBank Vision Fund
- TBThe Baupost Group
- IIIndonesia Investment authority
- BCBoyu Capital
- BABrookfield Asset Management
- DBDBS Bank
- KGKenneth Griffin
- OCOCBC
Invest in the private markets on Legion
Registered users see full trading activity, every investor, rankings, and live deals.
Data as of Oct 15, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.