---
title: IonQ closes its $1.15B all-stock purchase of Zero Trust firm Elisity | ctxsec
url: https://ctxsec.com/items/ionq-completes-elisity-acquisition-1-15b-zero-trust-pqc
description: "IonQ completed its acquisition of Elisity, an identity-based Zero Trust segmentation company, issuing $1.15 billion in common stock at closing, with up to $150 million more in earnouts tied to revenue milestones through January 2028. IonQ plans to pair Elisity's asset discovery and policy enforcement with its post-quantum cryptography and quantum key distribution products. Elisity keeps its CEO James Winebrenner, and existing deployments and policies carry forward."
status: "official (IonQ press release, Nov 4)"
published: 2026-11-04
---

> IonQ completed its acquisition of Elisity, an identity-based Zero Trust segmentation company, issuing $1.15 billion in common stock at closing, with up to $150 million more in earnouts tied to revenue milestones through January 2028. IonQ plans to pair Elisity's asset discovery and policy enforcement with its post-quantum cryptography and quantum key distribution products. Elisity keeps its CEO James Winebrenner, and existing deployments and policies carry forward.

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official (IonQ press release, Nov 4)

2026-11-04

### IonQ closes its $1.15B all-stock purchase of Zero Trust firm Elisity

For Elisity customers, IonQ says nothing changes in support or deployments for now. The 'single platform' combining Zero Trust and post-quantum products is IonQ's stated plan, not a shipped product.

Sources: [IonQ: IonQ Completes Acquisition of Elisity (Nov 4)](https://investors.ionq.com/news/news-details/2026/IonQ-Completes-Acquisition-of-Elisity-Extending-Quantum-Security-for-Enterprises-and-Government/default.aspx)