Trapped-ion quantum computers
Charged atoms held by electromagnetic fields (IonQ, Quantinuum, AQT)
2 leading companies in trapped-ion quantum computers, one segment of quantum computing — Machines that compute with qubits, rented over the cloud or sold on-premises — US$1.4B in 2025, ~30%/yr growth forecast
new market segment · researched 2026-11-14
Superconducting quantum computersTrapped-ion quantum computersPhotonic quantum computersNeutral-atom quantum computersQuantum cloud access & software
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Leading trapped-ion quantum computers companies
2 companies, with the scale each source states. Scale is the whole company's unless the row says otherwise.
| Company | Where | What they do | Scale |
|---|---|---|---|
| IonQ IONQ ↗ | College Park, United States since 2015 | Trapped-ion quantum computers and software, plus quantum networking (Qubitekk) and a controlling stake in ID Quantique | revenue: 130.016 USD millions (2025) ↗ |
| Quantinuum QNT ↗ | Broomfield, United States since 2021 | H-Series trapped-ion computers plus quantum software; formed from Honeywell Quantum Solutions and Cambridge Quantum; Nasdaq IPO June 2026 (Honeywell keeps 48.1% of votes) | revenue (9 months to 2026-09-30): 22.285 USD millions (2026) ↗ |
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The quantum computing market
The whole market this segment sits in.
global revenue · world1.4
↗USD billions · 2025
Growth, segments, risks and every company in quantum computing →
Quick answers
- What are trapped-ion quantum computers?
- Charged atoms held by electromagnetic fields (IonQ, Quantinuum, AQT). They are one segment of the quantum computing market.
- Who are the leading trapped-ion quantum computers companies?
- IonQ (United States), Quantinuum (United States).
- Which trapped-ion quantum computers companies are publicly traded?
- IonQ (IONQ), Quantinuum (QNT).
- How big is the quantum computing market?
- For the whole quantum computing market, not this segment alone: global revenue (world) 1.4 USD billions, 2025 — Quantum Economic Development Consortium (QED-C) / SRI International.