Quantum M&A Tracker
Track all major acquisitions, mergers, and SPAC deals reshaping the quantum computing landscape
2025: The Year of Quantum Consolidation
2025 has seen over $2 billion in quantum acquisitions, with IonQ alone completing 6 deals. This consolidation reflects the industry's maturation as companies build full-stack capabilities.
IonQ Acquisitions (2024-2025)
IonQ has emerged as the most aggressive acquirer in quantum computing, completing 6 acquisitions to build comprehensive capabilities across the quantum stack.
| Target | Value | Date | Strategic Rationale |
|---|---|---|---|
| Oxford Ionics | $1.08B | Jun 2025 | Chip-scale trapped-ion technology, UK market expansion |
| ID Quantique | $250M | Feb 2025 | Quantum networking, QKD, Swiss quantum security leader |
| Qubitekk | $22M | Jan 2025 | Quantum networking components, entanglement distribution |
| Lightsynq | Undisclosed | 2025 | Photonic interconnects for modular quantum systems |
| Capella Space | Undisclosed | Jul 2025 | Satellite-based quantum sensing |
| Vector Atomic | Announced | 2025 | Atomic clocks, precision timing |
Total IonQ M&A (2024-2025): ~$1.4B+ disclosed value
Quantinuum Formation (2021)
Honeywell merged its quantum computing division with Cambridge Quantum Computing to form Quantinuum, creating the world's largest integrated quantum computing company. The combined entity brought together Honeywell's trapped-ion hardware with Cambridge Quantum's software, operating systems, and cybersecurity capabilities.
View Quantinuum Profile →SPAC Mergers & IPOs
| Company | SPAC Partner | Value | Completion | Exchange | Ticker |
|---|---|---|---|---|---|
| IonQ | dMY Technology III | $2B | Oct 2021 | NYSE | IONQ |
| Rigetti | Supernova Partners II | $1.5B | Mar 2022 | NASDAQ | RGTI |
| D-Wave | DPCM Capital | $1.6B | Aug 2022 | NYSE | QBTS |
| Arqit | Centricus Acquisition | $1.4B | Sep 2021 | NASDAQ | ARQQ |
| Horizon Quantum | dMY Squared Technology | $503M | Expected Q1 2026 | NASDAQ | HQ |
Acquisition Timeline
2021
- Sep: Arqit → SPAC (NASDAQ: ARQQ)
- Oct: IonQ → SPAC (NYSE: IONQ)
- Dec: Cambridge Quantum + Honeywell QS → Quantinuum
2022
- Mar: Rigetti → SPAC (NASDAQ: RGTI)
- Aug: D-Wave → SPAC (NYSE: QBTS)
- QCI acquires QPhoton
2024
- Infleqtion acquires Super.Tech
- Infleqtion acquires SiNoptiq
2025
- Jan: IonQ acquires Qubitekk ($22M)
- Feb: IonQ acquires ID Quantique ($250M)
- Jun: IonQ acquires Oxford Ionics ($1.08B)
- Jul: IonQ acquires Capella Space
- IonQ acquires Lightsynq
- IonQ announces Vector Atomic acquisition
- Sep: Horizon Quantum → SPAC announced ($503M)
Key M&A Trends
Full-Stack Integration
Companies acquiring across hardware, software, and networking to build complete quantum solutions.
Geographic Expansion
US companies acquiring European quantum leaders (Oxford Ionics, ID Quantique) for global reach.
Networking Focus
Multiple acquisitions targeting quantum networking and QKD for distributed quantum computing.
Consolidation Phase
Industry moving from startup proliferation to consolidation as market matures.