Side-by-side comparison of AI visibility scores, market position, and capabilities
$127-176M revenue 2025; 594 employees Dec 2024; Frost & Sullivan 2025 Innovation Award; Header Tag most-used header-bidding tech 2024; programmatic ad market $595B 2024 to $800B 2028; SSP leader
Index Exchange is a global advertising marketplace that connects publishers and advertisers through programmatic advertising technology, enabling automated buying and selling of digital ad inventory. The company serves digital publishers, app developers, and advertisers who need transparent, efficient access to premium advertising inventory across display, video, and mobile formats. Index Exchange provides a neutral, independent exchange platform that maximizes yield for publishers while giving advertisers access to quality inventory through real-time bidding, private marketplace deals, and direct integrations with major demand sources.
Cambridge/Colorado trapped-ion quantum computing (Honeywell majority; $625M+/$5B valuation Jun 2024); Helios Nov 2025 at 98 physical/48 logical qubits with 99.9975% fidelity serving Amgen/BMW/JPMorgan competing with IBM Quantum.
Quantinuum is a Cambridge, UK and Broomfield, Colorado-based integrated quantum computing company — majority owned by Honeywell (NASDAQ: HON) with $625+ million in total funding including a $300 million round led by JPMorgan Chase at a $5 billion valuation in June 2024 — operating the world's most accurate commercial quantum computers using trapped-ion technology combined with quantum software from Cambridge Quantum. In November 2025, Quantinuum launched Helios, its third-generation quantum computer featuring 98 physical qubits and 48 logical error-corrected qubits with 99.9975% single-qubit gate fidelity and 99.921% two-qubit gate fidelity — the highest-accuracy general-purpose commercial quantum computer commercially available. Serving enterprise customers including Amgen (drug discovery), BMW Group (materials simulation), JPMorgan Chase (financial optimization), and SoftBank Corp. (AI acceleration), Quantinuum was formed in November 2021 through the merger of Honeywell Quantum Solutions and Cambridge Quantum Computing. CEO Ilyas Khan.
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