AllI · Cryogenics & dilution refrigeratorsII · Helium-3 & cryogen supplyIII · Isotopes & quantum materialsIV · Control electronics & cryo-CMOSV · Lasers & precision photonicsVI · Ultra-high vacuum systemsVII · Qubit fabrication & foundryVIII · Classical co-processing & error correctionIX · Platform pure-playsX · Private giants & exposure vehicles
| Ticker | Name | Tier ↓ | Quote | Mkt cap | 1W | Chokepoints |
|---|---|---|---|---|---|---|
| PSIQUANTUM | PsiQuantum | core | private | — | via NVDA, S | qubit-fabrication · platforms · private-giants |
| QNT | Quantinuum, Inc. | core | $49.03+0.7% | $14.5B | -1.2% | platforms · private-giants |
| IONQ | IonQ, Inc. | watch | $36.75-0.2% | $20.5B | -7.0% | qubit-fabrication · platforms |
| QBTS | D-Wave Quantum Inc. | watch | $16.80+0.8% | $8.9B | +1.3% | platforms |
| ARQQ | Arqit Quantum Inc. | speculative | $20.05-2.6% | $350M | -6.2% | platforms |
| QUBT | Quantum Computing Inc. | speculative | $7.99+2.2% | $2.3B | -0.2% | qubit-fabrication · platforms |
| RGTI | Rigetti Computing, Inc. | speculative | $15.27+0.7% | $7.0B | +0.5% | qubit-fabrication · platforms |
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