---
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

- [IONQ vs. RGTI vs. QUBT vs. QBTS: Which Quantum Stock Had the Best Q2 Earnings?](https://longbridge.com/en/news/296352941.md)
- [1 quantum stock near 52-week lows with Nvidia partnership backing is poised to rebound](https://longbridge.com/en/news/296261508.md)
- [This Quantum Computing Stock Just Scored a Major Breakthrough Deal. How to Play QNT Here.](https://longbridge.com/en/news/296135251.md)
- [IonQ partners with CMC Microsystems to provide cloud quantum computing access in Canada](https://longbridge.com/en/news/296265210.md)
- [2 New Under-the-Radar Quantum Stocks Catching Analysts' Attention](https://longbridge.com/en/news/296473235.md)

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