Latest Quantinuum News & Updates

See the latest news and media coverage for Quantinuum. We track all announcements, press releases, and industry mentions in real time, all in one place.

Quantinuum

Integrated quantum computing company

quantinuum.com

Headquarters: Broomfield, United States
Founded year: 2021
Company type: Partnership
Number of employees: 200–700

Last updated Today

Latest news about Quantinuum

In short: Quantinuum closed a $1.68 billion IPO and achieved a major breakthrough in quantum error correction peer-reviewed by the journal Nature.

Company announcements

June 10 Quantinuum

Quantinuum publishes logical qubit breakthrough in Nature

The company achieved logical qubits outperforming physical ones by 800x, advancing fault-tolerant quantum computing.

June 10 Quantinuum

Quantinuum advances fault-tolerant quantum computing with peer-reviewed breakthroughs

Improving logical-qubit reliability and encoding efficiency, reducing resource overhead for commercial workloads.

June 5 Quantinuum

Quantinuum closes its upsized initial public offering

The offering raised $1.68 billion in gross proceeds, with shares listed on Nasdaq under QNT.

June 3 Quantinuum

Quantinuum priced its upsized IPO at $60 per share

The offering of 28 million shares is set to trade on Nasdaq under QNT beginning June 4, 2026.

Media coverage

Yesterday Phys.org

Helios quantum computer tops 99.9% fidelity rates for one- and two-qubit operations

A public-private partnership in the Mountain West announced new results today that mark steady progress toward the Department of Energy's goal of fault-tolerant quantum computing...

Yesterday GuruFocus

Quantinuum (QNT) Sees Notable Rise in Stock Price

On June 17, 2026, Quantinuum Inc (QNT) has experienced a significant increase, with its stock price climbing by 16.8%, translating to a gain of $9.32...

Yesterday StocksToTrade

QNT Stock Jumps As Quantinuum Joins HPE Quantum Push - StocksToTrade

Quantinuum Inc. stocks have been trading up by 15.46 percent following bullish sentiment around its latest quantum computing advancements. Key Takeaways Intel, Rigetti, and Quantinuum...

June 16 Yahoo Finance

Quantinuum s IPO Is Putting Pressure on IonQ, Rigetti Computing, and D-Wave Quantum. Here s Which Quantum Computing Stock Survives...

When Quantinuum (NASDAQ: QNT) filed in May to go public on the Nasdaq, and then did so in early June...

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