On the Record · IonQ
IonQ subsidiaries, as it lists them
The subsidiaries IonQ lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| Capella Space Corp. | Delaware |
| ID Quantique Limited | Republic of Korea |
| ID Quantique Inc. | Delaware |
| id Quantique SA | Switzerland |
| IonQ Federal, LLC | Delaware |
| IonQ Italia S.r.l. | Italy |
| IonQ Quantum Acquisitions, Inc. | Delaware |
| IonQ Quantum Canada, Inc. | Ontario |
| IonQ Quantum International GmbH | Germany |
| IonQ Quantum Israel Ltd. | Israel |
| IonQ Quantum Switzerland GmbH | Switzerland |
| IonQ Quantum UK Limited | England and Wales |
| IonQ Quantum, Inc. | Delaware |
| IonQ Sweden AB | Sweden |
| Lightsynq Technologies, Inc. | Delaware |
| Oxford Ionics DACH GmbH | Switzerland |
| Oxford Ionics Limited | England and Wales |
| Oxford Ionics North America Inc. | Delaware |
| Seed Innovations, LLC | Delaware |
| Skyloom Global, LLC | Delaware |
| Vector Atomic, Inc. | Delaware |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from IonQ’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-25. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.