---
title: "Quantum Computing Stocks Surge in Post-Market Trading, IONQ Up Over 11%, QBTS Up Nearly 6%"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/299819181.md"
description: "On September 22 post-market session, quantum computing stocks rallied broadly. IONQ led gains up over 11% at $45.37, while QBTS, RGTI and QUBT all rose over 3%."
datetime: "2026-09-22T22:46:08.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/299819181.md)
  - [en](https://longbridge.com/en/news/299819181.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/299819181.md)
generator: "portal-rs"
---

# Quantum Computing Stocks Surge in Post-Market Trading, IONQ Up Over 11%, QBTS Up Nearly 6%

During the post-market trading session on September 22, quantum computing stocks showed broad-based gains, with all four major tickers closing higher. As of press time, IONQ stood out with the strongest performance, **up over 11%** at **$45.37**, with trading volume of 2.54 million shares and turnover of $110 million.

Other sector constituents also performed strongly, with QBTS **up nearly 6%** at **$18.55**, RGTI **up over 5%** at **$17.41**, and QUBT **up over 3%** at **$9.39**. The sector saw active trading overall, indicating sustained investor interest in quantum computing concepts.

## Sector constituents

| Name | Ticker  | Last  | Change  |
| ---- | ------- | ----- | ------- |
| IONQ | IONQ.US | 45.37 | +11.36% |
| QBTS | QBTS.US | 18.55 | +5.62%  |
| RGTI | RGTI.US | 17.41 | +5.37%  |
| QUBT | QUBT.US | 9.39  | +3.41%  |

### 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

- [These 2 'Strong Buy' Quantum Computing Stocks Offer Attractive Entry Points, Say Analysts](https://longbridge.com/en/news/300666258.md)
- [IonQ Stock Wins Analyst Backing Ahead of 2027 Superion Launch](https://longbridge.com/en/news/300335478.md)
- [This Lexicon Pharmaceuticals Analyst Begins Coverage On A Bullish Note; Here Are Top 5 Initiations For Monday](https://longbridge.com/en/news/300306438.md)
- [D-Wave Launches Gate-Model Simulator Beta to Advance Error-Aware Quantum Development](https://longbridge.com/en/news/300675195.md)
- [Roadrunner Quantum Lab Opens its Doors in Albuquerque to First Twelve Tenants](https://longbridge.com/en/news/300460499.md)

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