---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-205489"
form_type: "8-K"
ticker: "IONQ"
cik: "0001824920"
company_name: "IonQ, Inc."
filed_at: "2025-09-17T23:59:59+00:00"
generated_at: "2026-05-17T06:23:16.129099+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# IonQ closes Oxford Ionics acquisition; announces all-stock deal to acquire Vector Atomic

## Summary
- Closed Oxford Ionics acquisition for 26.6M shares and $10M cash; issued Registration Rights Agreement.
- Entered definitive agreement to acquire Vector Atomic for 6.3M shares; expected close Q4 2025.
- Vector Atomic brings $200M+ in government contracts and quantum sensing technology for PNT applications.
- Oxford Ionics adds UK base and trapped-ion IP; acquisitions follow earlier buys of ID Quantique, Qubitekk, Capella, Lightsynq.
- All 76 Vector Atomic employees to join IonQ; acquisition expands platform to include computing, networking, and sensing.

## SEC filing metadata
- accession: 0001193125-25-205489
- form_type: 8-K
- ticker: IONQ
- cik: 0001824920
- company_name: IonQ, Inc.
- filed_at: 2025-09-17T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 3.02, 8.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1824920/000119312525205489/0001193125-25-205489-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1824920/000119312525205489/d41803d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-205489
- JSON: https://secwatch.observer/filing/0001193125-25-205489.json
- Plain text: https://secwatch.observer/filing/0001193125-25-205489.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.