UK Blackwell Ultra deployment operational Q4 2025
Company: Nebius
What the later record shows
Delivered on time
A 424B5 dated 2025-11-11 says Nebius had already opened its first UK GPU cluster in late 2025, which is before the Q4 2025 deadline. The 20-F identifies the London facility contracted in November 2025 as featuring Blackwell Ultra GPUs. No exact go-live date is given.
“In addition, we opened our first GPU clusters in the UK and Israel in late 2025”
2025-11-11 · Nebius 424B5 filed 2025-11-12 View cached copy (2026-08-31)Live source ↗
“London, UK – in November 2025, we secured the contracts to our new facility featuring NVIDIA Blackwell Ultra GPUs”
2026-04-29 · Nebius 20-F filed 2026-04-30 View cached copy (2026-08-31)Live source ↗
Checked October 10, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.
The claim, verbatim
Nebius expects its NVIDIA Blackwell Ultra GPU deployment in the UK to be operational during Q4 2025.
Source (primary)
nebius 8-K exhibit (tm2522866d1_ex99-2.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-10-08)Live source ↗
Quote: “We expect our deployment of NVIDIA Blackwell Ultra GPUs in the UK to be operational during Q4 2025.”
How we checked this
Checked on October 13, 2026. The cited source supports every part of this claim.
The letter states this expectation directly.
Confirmed in the source:
- Nebius expects its NVIDIA Blackwell Ultra GPU deployment in the UK to be operational during Q4 2025
What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1513845/000110465925075028/tm2522866d1_ex99-2.htm) in full (32,613 characters, retrieved October 8, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms nebius 8-K exhibit (tm2522866d1_ex99-2.htm)
Quote: “We expect our deployment of NVIDIA Blackwell Ultra GPUs in the UK to be operational during Q4 2025.”
confirms Nebius 424B5 filed 2025-11-12
Quote: “In addition, we opened our first GPU clusters in the UK and Israel in late 2025”
confirms Nebius 20-F filed 2026-04-30
Quote: “London, UK – in November 2025, we secured the contracts to our new facility featuring NVIDIA Blackwell Ultra GPUs”