---
title: "Quantum computing stocks tumble ahead of Quantinuum IPO"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/288602103.md"
description: "Quantum computing stocks tumbled ahead of Quantinuum's Nasdaq IPO. Quantinuum, majority-owned by Honeywell, is set to price its IPO between $53-$55, raising ~$1.46B with a potential valuation of $14.3B. Meanwhile, peers like Arqit (-8%), Infleqtion (-9%), Rigetti (-7%), D-Wave (-6%), and Quantum Computing (-6%) saw significant declines."
datetime: "2026-06-03T15:30:40.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/288602103.md)
  - [en](https://longbridge.com/en/news/288602103.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/288602103.md)
---

# Quantum computing stocks tumble ahead of Quantinuum IPO


### Related Stocks

- [ARQQ.US](https://longbridge.com/en/quote/ARQQ.US.md)
- [INFQ.US](https://longbridge.com/en/quote/INFQ.US.md)
- [RGTI.US](https://longbridge.com/en/quote/RGTI.US.md)
- [QBTS.US](https://longbridge.com/en/quote/QBTS.US.md)
- [QUBT.US](https://longbridge.com/en/quote/QUBT.US.md)
- [HON.UK](https://longbridge.com/en/quote/HON.UK.md)
- [HON.US](https://longbridge.com/en/quote/HON.US.md)
- [RGTU.US](https://longbridge.com/en/quote/RGTU.US.md)
- [QUBX.US](https://longbridge.com/en/quote/QUBX.US.md)
- [QBTZ.US](https://longbridge.com/en/quote/QBTZ.US.md)
- [QBTX.US](https://longbridge.com/en/quote/QBTX.US.md)
- [RGTZ.US](https://longbridge.com/en/quote/RGTZ.US.md)
- [RGTX.US](https://longbridge.com/en/quote/RGTX.US.md)

## Related News & Research

- [Wall Street Is Wrong About This Quantum Computing Stock for 2026 -- Here's the Proof](https://longbridge.com/en/news/288773394.md)
- [D-Wave (QBTS) Took the Gloves Off at Investor Day, Saying Quantum Computing Is Already Commercial](https://longbridge.com/en/news/288719915.md)
- [Honeywell’s quantum company goes public. What investors should know about the IPO](https://longbridge.com/en/news/288773559.md)
- [EXCLUSIVE-Honeywell's Quantinuum raises $1.68 billion in US IPO as quantum computing heats up, source says](https://longbridge.com/en/news/288628229.md)
- [HONEYWELL REAFFIRMS 2026 OUTLOOK AHEAD OF HONEYWELL AEROSPACE SPIN-OFF; INITIATES 2026 OUTLOOK FOR HONEYWELL TECHNOLOGIES | HON Stock News](https://longbridge.com/en/news/289035994.md)