QuantumStock logoQuantumStock

IBM vs MSFT

Side-by-side quantum stock comparison: market cap, share price, classification, and thesis.

Diversified
International Business Machines Corporation
$270.27B
Market cap
$287.56
Share price
Diversified
Microsoft Corporation
$2.86T
Market cap
$385.10
Share price

Market cap, head to head

Stat-by-stat

MetricIBMMSFT
TypeDiversifiedDiversified
SegmentHardware + SoftwareHardware + Software
ExchangeNYSENASDAQ
CountryUSUS
Market cap$270.27B$2.86T
Share price$287.56$385.10
Employees270,300228,000
SectorTechnologyTechnology
IndustryInformation Technology ServicesSoftware - Infrastructure
IBM
International Business Machines Corporation

Quantum thesis

IBM runs the most mature commercial quantum program of any public company. IBM Quantum operates a fleet of superconducting processors over the cloud, publishes a detailed hardware roadmap, and ships Qiskit, the most widely used open-source quantum software stack. Quantum is a tiny share of IBM revenue, but no other diversified bet has more direct quantum exposure or a longer track record.

Full IBM page →
MSFT
Microsoft Corporation

Quantum thesis

Microsoft is pursuing topological qubits with its Majorana hardware program while offering Azure Quantum as a cloud aggregator of partner hardware. The topological bet is high-risk and high-reward: if the underlying physics holds up, the resulting qubits would be intrinsically more stable than any competing approach. Software side: the Q# language and Azure Quantum job orchestration.

Full MSFT page →