IonQ to acquire cybersecurity firm Elisity in an all‑stock deal worth up to $1.3 billion

IonQ announced a definitive agreement to buy Elisity, a Zero Trust security company, in an all‑stock transaction valued at up to $1.3 billion and including up to $150 million of performance‑based earnouts. The deal will be settled with IonQ shares whose issue price is tied to a 20‑day average range of $33.07 to $49.61 per share. The acquisition is slated to close in the fourth quarter of 2026, subject to customary regulatory approvals.

The transaction adds more than 100 enterprise customers and access to the roughly $10 billion microsegmentation market, expanding IonQ’s quantum‑security product suite. The company’s share price fell 2‑3% in pre‑market trading after the announcement, reflecting immediate market reaction.

  • 1IonQ will acquire Elisity in an all‑stock transaction valued at up to $1.3 billion, with an additional $150 million possible earnout tied to Elisity’s performance.
  • 2The share‑exchange price will be set based on a 20‑day average that falls between $33.07 and $49.61 per IonQ share.
  • 3The deal is expected to close in the fourth quarter of 2026, pending regulatory approval.
  • 4Elisity serves more than 100 global enterprise customers and operates in a market estimated at over $10 billion for microsegmentation.
  • 5IonQ’s stock price dropped about 2.7% in pre‑market trading following the announcement.
  • 6IonQ’s market capitalization is roughly $16 billion based on its closing price of $39.89.

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