Quantum Computing Inc.QUBT
NASDAQ · USA · Segment 1 of 2 in the Quantum computing value chain: Quantum hardware & platforms
Photonics instead of superconductors: integrated photonic chips, reservoir computing and quantum sensing, made in its own thin-film lithium-niobate foundry. Speculative.
Quantum hardware & platforms: The companies building the quantum computers themselves, trapped ions, superconducting qubits, photonics and annealing.
Key metrics
Market cap
$2B
Price
$8.46
Today
+2.7%
Return YTD
−19.7%
Return 1Y
−47.9%
P/E
—
P/S
465.9
P/B
1.3
Data as of 2026-08-26 · updates daily after U.S. close
Theme exposure
In the value chain
Products & services
- Photonic quantum chips
- Reservoir computing
- TFLN foundry (Arizona)
Competitors
- PsiQuantum (private)
- Xanadu (private)
- IonQ
Risks
- Very small revenue, the story rests on expectations
- Competition from well-funded private photonics players
Same segment: Quantum hardware & platforms
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See where Quantum Computing Inc. sits in the full Quantum computing map: every segment from upstream suppliers to end markets, with daily metrics.Open the Quantum value chain →