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Quantinuum

Quantinuum IPO

$10.57B
Series B Valuation, Nov 2025
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Quantinuum IPO date and status

2021
Founded
Jan 2026
IPO Announced
May 2026
S-1 Filed
Jun 2026
IPO Completed

Company details

Quantinuum aims to accelerate quantum computing by integrating state-of-the-art software with high-fidelity hardware, guided by scientists to scale operations. Their mission focuses on leveraging quantum physics to propel advancements in drug discovery, healthcare, materials science, cybersecurity, energy transformation, and climate resilience, aiming for transformative impacts across global industries. Quantinuum was founded by Ilyas Khan in 2021 and is headquartered in Broomfield, CO.
Founded
2021
Headquarters
Broomfield, CO, United States
Forge Price 1
Price not available
Market Activity 2
Medium
Last Matched Price
Post-Money Valuation 3
$10.57B
Total Funding
$1.6B
Last Funding Round
Series B

Learn more about Quantinuum

To invest in Quantinuum pre-IPO

Can you invest in Quantinuum pre-IPO?

You may invest in Quantinuum as it is a public company listed on the NASDAQ with ticker QNT. But if you are an accredited investor interested in buying pre-IPO shares of a private company, you can learn more about how to invest in the private market or register today to get started.

Can you sell shares of Quantinuum before it goes public?

You can no longer sell shares of Quantinuum on Forge as this company is no longer private. However, if you own shares of a private company, Forge may be able to help you sell them in a way that works for you and the company. Learn more or register with us today to get started.

What is the pre-IPO value of my Quantinuum shares?

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Is Quantinuum a publicly traded company?

Quantinuum became a public company following its IPO on 06/04/2026 and is now traded on the NASDAQ under the ticker QNT.

To learn more about Quantinuum potential IPO

Will Quantinuum go IPO?

Quantinuum became a public company following its IPO on 06/04/2026 and is now traded on the NASDAQ under the ticker QNT.

What is Quantinuum’s IPO price?

The IPO price of Quantinuum is not currently available.

When was Quantinuum founded?

Quantinuum was founded in 2021.

What is Quantinuum funding to date?

Quantinuum has raised $1.6B to date.

Quantinuum major investors

Amgen
Honeywell Ventures
Ibm Ventures
Jp Morgan Chase & Company
Mitsui & Co. Global Investment

Quantinuum pre-IPO valuation and funding rounds

Funding history chart
Funding round and deals details
Funding Date Round Amount Raised Price per Share Post-Money Valuation 3 Key Investors
11/13/2025 Series B $838.88MM $26.77 $10.57B Adequita Capital, Amgen, A Ventures, Cambridge Quantum Computing, EdenBase, Honeywell, Jpmorgan, Korea Investment Partners, Mesh Ventures, Mitsui & Company, Nvidia, Qed Investors, Quanta Computer, Qudit, Serendipity Capital
Price per Share
$ xx.xx
Shares Outstanding
31,336,698
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.1x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Adequita Capital, Amgen, A Ventures, Cambridge Quantum Computing, EdenBase, Honeywell, Jpmorgan, Korea Investment Partners, Mesh Ventures, Mitsui & Company, Nvidia, Qed Investors, Quanta Computer, Qudit, Serendipity Capital
04/04/2024 Series A $430.83MM $14.31 $5.3B Amgen, Honeywell, Jpmorgan, Mitsui & Company, Serendipity Capital
Price per Share
$ xx.xx
Shares Outstanding
30,107,122
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.3x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Amgen, Honeywell, Jpmorgan, Mitsui & Company, Serendipity Capital
12/22/2023 Series A-1 $330.88MM $11.81 $3.31B Cambridge Quantum Computing, Honeywell
Price per Share
$ xx.xx
Shares Outstanding
28,016,966
Liquidation Pref Order
1
Liquidation Pref As Multiplier
1.3x
Conversion Ratio
1.0x
Dividend Rate
0.0%
Cumulative
Non-cumulative
Participating
Non-participating
Participation Cap
--
Key Investors
Cambridge Quantum Computing, Honeywell

Quantinuum IPO news and media highlights

Quantinuum IPO Demand Surges as Honeywell’s Quantum Unit Eyes $13B Valuation

Quantinuum, the quantum computing company owned by industrial conglomerate Honeywell (HON), is seeing strong demand for its upcoming IPO, according to Bloomberg.

Honeywell-backed Quantinuum files for US IPO at up to $20B valuation

Quantum computing company Quantinuum has filed for a US IPO as competition intensifies across the sector. Backed by Honeywell International, the company could reportedly achieve a valuation between $15 billion and $20 billion when it lists on Nasdaq under the ticker QNT, reports Bloomberg.

Quantinuum and Science and Technology Facilities Council (STFC) Hartree Centre partner to advance quantum innovation and development in the UK

Quantinuum, the world's largest integrated quantum computing company, has signed a Joint Statement of Endeavour with the STFC Hartree Centre, one of Europe's largest supercomputing centers dedicated to industry engagement. The partnership will provide UK industrial and scientific users access to Quantinuum's H-Series, the world's highest-performing trapped-ion quantum computers, via the cloud and on-premise.

Quantinuum Launches Industry-First, Trapped-Ion 56-Qubit Quantum Computer, Breaking Key Benchmark Record

Quantinuum, the world's largest integrated quantum computing company, today unveiled the industry's first quantum computer with 56 trapped-ion qubits. H2-1 has further enhanced its market-leading fidelity and is now impossible for a classical computer to fully simulate. A joint team from Quantinuum and JPMorgan Chase ran a Random Circuit Sampling (RCS) algorithm, achieving a remarkable 100x improvement over prior industry results from Google in 2019 and setting a new world record for the cross entropy benchmark.
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Updated on: Jun 6, 2026

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