v3.26.1
ORGANIZATION AND NATURE OF BUSINESS
3 Months Ended
Mar. 31, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
ORGANIZATION AND NATURE OF BUSINESS

NOTE 1 — ORGANIZATION AND NATURE OF BUSINESS

Company Overview

X-Energy Reactor Company, LLC (“X-energy” or the “Company”) is a Delaware limited liability company formed on December 14, 2018, and is the successor for financial reporting purposes of X-energy, LLC, a Maryland limited liability company founded in 2009. The Company is headquartered in Rockville, Maryland. The Company is a developer of advanced small modular nuclear reactors and fuel technology for clean energy generation. X-energy is the predecessor for financial reporting purposes of X-Energy, Inc., as further described below.

Initial Public Offering (“IPO”)

On April 27, 2026, subsequent to the period covered by these condensed consolidated financial statements, X-Energy, Inc., a Delaware corporation, successfully closed an IPO of its Class A common stock. In connection with the IPO and related Reorganization Transactions (as defined in Note 18 — Subsequent Events), X-Energy, Inc. became the parent holding company and sole managing member of the Company. Following the IPO and Reorganization Transactions, X-Energy, Inc. controls the business and affairs of the Company and consolidates the Company’s financial results. Refer to Note 18 — Subsequent Events for additional information regarding the IPO and Reorganization Transactions.