THE QUANTUM RACE

2025 Constructor Standings: Leading Quantum Technologies

1 RANK

IBM Quantum

Poughkeepsie, NY, USA

Ticker

IBM

Architecture

Superconducting

1,121 Physical Qubits

Condor Processor (2023)

2 RANK

Atom Computing

Berkeley, CA, USA

Ticker

N/A

Architecture

Neutral Atoms

1,180 Physical Qubits

High-Count Lattice (2023)

3 RANK

IonQ

College Park, MD, USA

Ticker

IONQ

Architecture

Trapped Ion

99.99% 2-Qubit Fidelity

World Record Performance (2025)

4 RANK

D-Wave Systems

Burnaby, BC, Canada

Ticker

QBTS

Architecture

Quantum Annealing

4,400+ Qubits

Advantage2 System (Optimization Focus)

5 RANK

Google Quantum AI

Santa Barbara, CA, USA

Ticker

GOOGL

Architecture

Superconducting

13,000x Speedup Claim

Willow Processor (Quantum Echoes)

6 RANK

Quantinuum

Broomfield, CO, USA

Ticker

N/A

Architecture

Trapped Ion

AQ36 (Algorithmic Qubits)

System Model H2

Race Notes & Architectures

  • Stock Ticker Note: Tickers are provided for publicly traded companies (**IBM**, **IONQ**, **QBTS**). **GOOGL** represents Google's parent company, Alphabet Inc. Companies marked **N/A** (Atom Computing, Quantinuum) are currently privately held.
  • Superconducting: The most mature approach, favored by IBM and Google. Requires extreme cooling.
  • Trapped Ion: Known for high qubit fidelity (quality), used by IonQ and Quantinuum.
  • Neutral Atoms: High scalability and large arrays, demonstrated by Atom Computing.
  • Quantum Annealing: Specializes in optimization problems, pioneered by D-Wave.
  • **Note:** Qubit counts are highly variable across architectures. This ranking is symbolic, prioritizing a mix of raw count and leading performance claims reported in late 2024/2025.