Technology & AI

IonQ to buy Elisity in up to $1.3 billion stock deal

Quantum computing firm IonQ agreed to acquire cybersecurity company Elisity using its own shares, and its stock fell sharply. Investors reacted negatively to the all-stock structure.

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What happened

IonQ, a quantum computing company, agreed to acquire cybersecurity firm Elisity in an all-stock deal worth up to $1.3 billion. The deal is meant to combine Elisity's Zero Trust security with IonQ's post-quantum cryptography, and is expected to close in Q4 2026. IonQ shares fell about 9% to 10% on the news, while rival quantum stocks D-Wave and Rigetti dropped about 4%.

Why it matters

The deal signals IonQ's push into cybersecurity, but it will add new shares that shareholders must absorb.

Timeline

  1. Oct 12, 10:33 AM ET: IonQ agreed to buy Elisity in an all-stock deal, and its shares fell about 9%.
  2. Oct 13, 8:46 AM ET: Quantum computing stocks, including D-Wave and Rigetti, continued to fall in the wake of the deal.

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