---
title: "Quantum Computing Stocks Diverge, IonQ Up 4%, D-Wave Down 4%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/299937076.md"
description: "Quantum computing stocks diverged in regular trading. IonQ up 4%, D-Wave down 4%. Sector lacks clear catalysts."
datetime: "2026-09-23T19:47:31.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/299937076.md)
  - [en](https://longbridge.com/en/news/299937076.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/299937076.md)
generator: "portal-rs"
---

# Quantum Computing Stocks Diverge, IonQ Up 4%, D-Wave Down 4%

Quantum computing stocks showed mixed performance during regular trading on Wednesday (September 23). IonQ (IONQ) climbed **4.42%** to $42.54, leading the sector with an intraday high of $46.02. Quantum Computing Inc. (QUBT) edged up **1.32%** to $9.20. D-Wave Quantum (QBTS) fell **3.84%** to $16.89, while Rigetti Computing (RGTI) declined **2.94%** to $16.04.

The quantum computing sector lacked clear catalysts today, with individual stocks showing divergent trends. Some names faced profit-taking after recent gains, while capital continued to flow into industry leaders.

## Sector constituents

| Name                   | Ticker  | Last  | Change |
| ---------------------- | ------- | ----- | ------ |
| IonQ                   | IONQ.US | 42.54 | +4.42% |
| Quantum Computing Inc. | QUBT.US | 9.20  | +1.32% |
| Rigetti Computing      | RGTI.US | 16.04 | -2.94% |
| D-Wave Quantum         | QBTS.US | 16.89 | -3.84% |

### Related Stocks

- [IONQ.US](https://longbridge.com/en/quote/IONQ.US.md)
- [QBTS.US](https://longbridge.com/en/quote/QBTS.US.md)
- [RGTI.US](https://longbridge.com/en/quote/RGTI.US.md)
- [QUBT.US](https://longbridge.com/en/quote/QUBT.US.md)

## Related News & Research

- [Quantum Computing (QUBT) Heads Into Q3 Results With An Undervalued Narrative](https://longbridge.com/en/news/304831808.md)
- [IONQ vs. RGTI: Which Quantum Computing Stock Has More Upside, According to Analysts?](https://longbridge.com/en/news/304113751.md)
- [IonQ (IONQ) Q3 earnings: what to expect](https://longbridge.com/en/news/304200938.md)
- [IonQ Stock Earnings Preview: What to Expect After Its Record Second Quarter](https://longbridge.com/en/news/304113732.md)
- [IONQ: Record revenue and raised guidance meet accelerating quantum demand, with adjusted EBITDA still negative](https://longbridge.com/en/news/304527414.md)

---
> **Disclaimer: This article is for reference only and does not constitute any investment advice.**