---
title: "WISeKey, SEALSQ SPV Quantisimo signs LOI to merge with GigCapital8 at US$575 million value"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/291283198.md"
description: "Quantisimo, a SPV of WISeKey and SEALSQ, signed a non-binding LOI to merge with GigCapital8 at a pre-money enterprise value of approximately USD 575 million. The deal aims to scale into a USD 2 billion platform via up to five quantum company acquisitions. Closing is expected in Q1 2027, with due diligence starting immediately."
datetime: "2026-06-30T12:30:07.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/291283198.md)
  - [en](https://longbridge.com/en/news/291283198.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/291283198.md)
---

# WISeKey, SEALSQ SPV Quantisimo signs LOI to merge with GigCapital8 at US$575 million value

-   Quantisimo, a WISeKey-SEALSQ special purpose vehicle, signed a non-binding LOI for a business combination with GigCapital8. \* Deal targets a pre-money enterprise value of about USD 575 million for the combined company; closing expected in Q1 2027. \* Plan aims to scale toward a USD 2 billion platform through acquisitions of up to five additional quantum companies. \* SEALSQ expects to contribute selected assets and strategic interests from its SealQuantum.com portfolio, subject to approvals and deal completion. \* Parties plan to begin due diligence immediately, with definitive agreements targeted in coming months. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. WISeKey International Holding AG published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001213900-26-073391), on June 30, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT) Original Document: here

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