Quantum Software & Algorithms
Quantum software, middleware and quantum-as-a-service platforms form the connective layer between emerging quantum hardware and enterprise or government end users, spanning compilers, algorithm libraries, error-mitigation techniques and cloud-access services offered by both pure-play quantum firms and large diversified technology companies.
Active institutional funds added a net $27.9 billion in Q2 2026, versus $5.5 billion in Q1 2026 — an inflow 410% larger. 66.7% of companies in this sub-theme saw increased active positions in Q2 2026.
Overview
This sub-theme covers the software, middleware and service layer that sits atop varied quantum hardware architectures — superconducting (Rigetti), annealing and gate-model (D-Wave), trapped-ion (IonQ, Quantinuum), neutral-atom and cold-atom (Infleqtion), and photonic (Xanadu) — as well as diversified players such as IBM and Quantum Computing Inc. Rather than operating as standalone software vendors, most of these companies distribute their algorithm and compiler tools through public cloud platforms run by large technology companies that are simultaneously infrastructure suppliers and direct competitors: Quantinuum's quantum computing services are integrated into Microsoft Azure, which also serves as a distribution channel; Xanadu offers its PennyLane software on IBM's Quantum public cloud while competing with IBM; and Infleqtion's Superstaq compiler runs on Google Cloud infrastructure while Google (Alphabet) is disclosed as a competitor. Quantinuum itself is majority owned by Honeywell. This structure creates a pattern of coopetition in which hyperscalers act as both enablers and rivals to specialist quantum software and algorithm providers, and in which government funding programs (including CHIPS Act awards) and defense/aerospace contracting relationships are recurring structural features across the group.
Investment Thesis
Investment thesis details are part of the Pro plan.
Bottleneck Tracker
Bottleneck details are part of the Pro plan.