Companies / org-rolls-royce-smr
Rolls-Royce SMR
UK PWR SMR developer (not independently listed). Generic Design Assessment in progress; Wylfa selected for early units. Shareholder base updated after Constellation exit in December 2025.
- Roles
- Reactor developer, Vendor
- Organization type
- vendor
- Country
- United Kingdom
- Aliases
- RR SMR, Rolls-Royce Small Modular Reactors
- Listing status
- Privately held
- Exchange / ticker
- —
- Ownership / control
- mixed
Rolls-Royce SMR Ltd is not independently listed. Parent Rolls-Royce plc is listed (LSE: RR. / OTC context) but that ticker is not assigned here. April 2026 shareholder update: Constellation exited December 2025; remaining shareholders reported as Rolls-Royce plc, ČEZ Group, BNF Resources, Qatar Investment Authority. - Confidence
- high
- Last verified
- 2026-10-01
Linked designs
- Rolls-Royce SMR — Integral pressurized water reactor (iPWR) · SMR
Tracked deployment projects
- Rolls-Royce SMR Wylfa — Announced · United Kingdom
- Rolls-Royce SMR additional sites (undisclosed pins) — Announced · United Kingdom
Ownership & relationships
- Rolls-Royce plc — controlling_shareholder · as of 2025-12. Major industrial shareholder; exact % not restated here.
- ČEZ Group — shareholder · as of 2025-12. Shareholder after Constellation exit.
- BNF Resources — shareholder · as of 2025-12. Acquired part of Constellation stake with Rolls-Royce plc.
- Qatar Investment Authority — shareholder · as of 2025-12. Remaining shareholder per company update.
- Constellation — former_shareholder · as of 2025-12. Sold sub-5% stake in December 2025.
Milestones
- 2025-12 — Constellation exited; stake acquired by Rolls-Royce plc and BNF Resources.
Unresolved information
- None noted.
Sources
- Rolls-Royce SMR shareholder update (company_primary, accessed 2026-10-01)
- EnergyNote 2026 SMR licensing map (reputable_press, accessed 2026-10-01)
- World Nuclear Association — Small Nuclear Power Reactors (directory_or_aggregator, accessed 2026-10-01)