Companies/Nebius
Amsterdam, Netherlands
Nebius
AI-cloud and infrastructure company; renamed from Yandex N.V. in August 2024 after divesting its Russian operations.
Systems this company appears in
- Systems
- 7
- Aggregate Rmax
- 248.9 PFlop/s
- Aggregate power
- 6.62 MW
- First appearance
- 2023
- Most recent
- 2026-03-03
- Concentration
- 81%
systems it appears in
where disclosed
largest is ISEG2
Aggregate Rmax is the sum of the systems this company supplies any part of. It is not revenue and not attributable share: an integrator and a memory vendor in the same machine both count its full FLOPS here. Attribution weighted by role is Phase 4.
Role breakdown
| Role | Systems | Rmax in those systems |
|---|---|---|
| Integrator | 7 | 248.9 PFlop/s |
Appearances
| System | Supplied as | Shipped under | Rmax | Rank |
|---|---|---|---|---|
| Nebius Vineland (Microsoft) USA · 2025-11 | Integrator | Nebius | - | unranked |
| Nebius Longcross UK Cluster United Kingdom · 2025-11 | Integrator | Nebius | - | unranked |
| ISEG2 Netherlands · 2025 | Integrator | Nebius | 202.4 PFlop/s | #15 June 2026 → |
| ISEG Netherlands · 2023 | Integrator | Nebius | 46.54 PFlop/s | #15 November 2023 → |
| Nebius Independence AI Factory USA · | Integrator | Nebius | - | unranked |
| Nebius Birmingham AI Factory USA · | Integrator | Nebius | - | unranked |
| Nebius Iceland Cluster Iceland · | Integrator | Nebius | - | unranked |
AI datacenters operated
| System | Status | Accelerators | Stated power (MW) |
|---|---|---|---|
| ISEG2 | operational | - | - |
| Nebius Kansas City Cluster | operational | 35,000 | - |
| Nebius Mäntsälä Cluster | operational | 60,000 | 75 |
| Nebius Lappeenranta AI Factory | under construction | - | 310 |
| Nebius Independence AI Factory | under construction | - | 1,200 |
| Nebius Vineland (Microsoft) | operational | - | 300 |
| Nebius Modiin Cluster | operational | 4,000 | - |
| ISEG | operational | - | - |
| Nebius Birmingham AI Factory | under construction | - | 300 |
| Nebius Iceland Cluster | operational | - | 10 |
| Nebius Longcross UK Cluster | operational | 4,000 | - |
Figures come from the AI datacenter metrics; blank means none recorded.
Compute deals
| Date | Role | Counterparty | Type | MW | Value ($bn) | Source |
|---|---|---|---|---|---|---|
| 2026-03-13 | Seller | Meta Platforms | Cloud contract | - | 27 | sec.gov |
| 2025-11 | Seller | Meta Platforms | Cloud contract | - | 2.9 | sec.gov |
| 2025-09-08 | Seller | Microsoft | Cloud contract | - | 17.4 | sec.gov |
Headline values are as announced and are not additive. See all compute deals.
Sites operated
| Site | Location | Cooling | Commissioned |
|---|---|---|---|
| Nebius Amsterdam | Amsterdam, Netherlands | - | 2025 |
| Nebius Kansas City Data Center (Patmos) | Kansas City, MO, USA | - | 2025 |
| Nebius Mäntsälä Data Center | Mäntsälä, Finland, Finland | Free cooling with heat recovery | - |
| Nebius Lappeenranta Campus | Lappeenranta, Finland, Finland | Closed-loop liquid cooling with heat recovery | - |
| Nebius Independence Campus | Independence, MO, USA | Closed-loop cooling | - |
| Nebius Vineland Data Center | Vineland, NJ, USA | - | 2025 |
| Nebius Modiin Data Center | Modi'in, Israel | - | 2025 |
| Lakeshore Parkway Site (Birmingham AL) | Birmingham, AL, USA | - | - |
| Ark Longcross Park (Nebius UK site) | Chertsey, Surrey, United Kingdom | - | 2025 |