---
title: "Quantum stocks soar despite $931M insider sell-off"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/287995111.md"
description: "The U.S. plans to invest $2 billion in quantum computing, acquiring equity in companies like Rigetti, D-Wave, and Infleqtion. However, executives at IonQ, Rigetti, and D-Wave have sold $931 million more shares than they purchased over five years, raising concerns about a potential bubble due to extreme price-to-sales ratios despite government backing."
datetime: "2026-05-29T01:51:06.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/287995111.md)
  - [en](https://longbridge.com/en/news/287995111.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/287995111.md)
generator: "portal-rs"
---

# Quantum stocks soar despite $931M insider sell-off

Federal cash boost: The U.S. will invest $2 billion in quantum computing, taking equity stakes in key players like Rigetti, D-Wave, and Infleqtion. Insider sell-off: Executives at IonQ, Rigetti, and D-Wave have sold $931 million more shares than they bought in five years, with insider buying almost nonexistent. Valuation risks: Quantum stocks trade at extreme price-to-sales ratios, prompting concerns about a potential bubble despite strong government support.

### Related Stocks

- [RGTI.US](https://longbridge.com/en/quote/RGTI.US.md)
- [QBTS.US](https://longbridge.com/en/quote/QBTS.US.md)
- [IONQ.US](https://longbridge.com/en/quote/IONQ.US.md)
- [IONX.US](https://longbridge.com/en/quote/IONX.US.md)
- [QPUX.US](https://longbridge.com/en/quote/QPUX.US.md)
- [IONL.US](https://longbridge.com/en/quote/IONL.US.md)
- [INFQ.US](https://longbridge.com/en/quote/INFQ.US.md)
- [RGTIW.US](https://longbridge.com/en/quote/RGTIW.US.md)
- [QBTS+.US](https://longbridge.com/en/quote/QBTS+.US.md)
- [INFQ+.US](https://longbridge.com/en/quote/INFQ+.US.md)
- [IONQ+.US](https://longbridge.com/en/quote/IONQ+.US.md)

## Related News & Research

- [Quantum Stocks Rally as RGTI, QBTS Secure Up to $200M in U.S. Funding](https://longbridge.com/en/news/298320736.md)
- [IONQ, RGTI, QBTS, QUBT Investors Face a Tough Quantum Reality](https://longbridge.com/en/news/298287128.md)
- [3 quantum stocks just scored $100 million in government funding. Which is the best to buy now?](https://longbridge.com/en/news/298578565.md)
- [Not IonQ, Not Rigetti Computing. This Quantum Computing Stock Could Be September's Biggest Winner.](https://longbridge.com/en/news/298724274.md)
- [How a $100 million US government bet could transform Rigetti](https://longbridge.com/en/news/298469049.md)

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