---
title: "IonQ Gains Board Nomination Right at Horizon Quantum Holdings with 13.3% Stake"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/281447654.md"
description: "IonQ, Inc. has acquired a 13.3% stake in Horizon Quantum Holdings Ltd., granting it governance rights that could influence Horizon's strategy. This stake was obtained through a subscription linked to Horizon's De-SPAC closing on March 19, 2026. IonQ can designate a board member and has a right of first notification on certain transactions. The company intends to remain involved with Horizon's leadership and may consider further share transactions or strategic moves, including mergers and changes in capital policy."
datetime: "2026-04-02T01:36:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/281447654.md)
  - [en](https://longbridge.com/en/news/281447654.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/281447654.md)
---

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# IonQ Gains Board Nomination Right at Horizon Quantum Holdings with 13.3% Stake

IonQ, Inc. disclosed a 13.3% stake in Horizon Quantum Holdings Ltd.'s Class A Ordinary Shares. The position stems from a subscription tied to Horizon Quantum’s De-SPAC closing on March 19, 2026. The filing highlights governance rights that could shape Horizon Quantum’s strategy.

**Investor Intent**

IonQ bought the shares for investment and secured key governance rights through a side letter. The agreement lets IonQ "designate a member of the Issuer Board" while it holds above certain ownership levels, and it also grants a "right of first notification" on select transactions.

IonQ plans to stay engaged with Horizon Quantum’s leadership and may buy more shares or sell some in the future. It is also open to strategic moves, including potential mergers, a take-private, asset deals, and changes to capital policy, while it monitors the companies’ commercial partnership.

**Investor's Background**

IonQ, Inc. is a Delaware-based quantum computing company listed on the New York Stock Exchange under the ticker IONQ. The company builds trapped-ion quantum systems and sells access to its quantum platform through major cloud providers and direct channels. IonQ pursues strategic partnerships and selective investments that can accelerate real-world quantum applications.

Original SEC Filing: Horizon Quantum Holdings Ltd. \[ HQ \] - SCHEDULE 13D - Apr. 01, 2026

**Disclaimer**

This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC.

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- [IonQ, Inc. (IONQ.US)](https://longbridge.com/en/quote/IONQ.US.md)
- [Horizon Quantum Holdings Ltd. (HQ.US)](https://longbridge.com/en/quote/HQ.US.md)

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