MilestoneIndustryConfirmed

IonQ agrees to buy cybersecurity firm Elisity for up to $1.3 billion

Oct 12, 2026

On Oct. 12, 2026, IonQ agreed to buy Elisity, a network-security company, in an all-stock deal valued at up to $1.3 billion. IonQ plans to combine Elisity's software with its post-quantum cryptography and quantum key distribution products.

Why it matters

It is one of the largest purchases by a quantum computing company, and part of IonQ's push to sell protection against future quantum attacks on encryption, not only quantum computers.

IonQ

See it on the timeline

Sources (2)

IonQ IonQ to Acquire Elisity to Accelerate Zero Trust for the Quantum Era
Primary sourceOct 12, 2026

“Under the terms of the agreement, IonQ will acquire Elisity in an all-stock transaction valued at up to $1.3 billion, including up to $150 million in earnout opportunity subject to performance of the Elisity business.”
Quantum Computing Report IonQ to Acquire Elisity for Up to $1.3 Billion to Integrate Zero Trust with Post-Quantum Cybersecurity
Independent coverageOct 12, 2026

“has entered into a definitive agreement to acquire Zero Trust cybersecurity firm Elisity, Inc. in an all-stock transaction valued at up to $1.3 billion”

Added Oct 20, 2026. Spotted an error? Tell us and we will review it.