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 | $39.66+5.7% | $14.5B | +2.6% | platforms · private-giants |
| GOOGL | Alphabet | watch | $323.45+2.1% | $4.4T | -3.4% | private-giants |
| HON | Honeywell International | watch | $218.03-0.6% | $150.0B | +1.5% | private-giants |
| NVDA | NVIDIA Corporation | watch | $217.83+0.8% | $5.0T | -1.9% | control-electronics · classical-coprocessing · private-giants |
| SANDBOXAQ | SandboxAQ | watch | private | — | via GOOGL, NVDA | private-giants |
| QUERA | QuEra Computing | speculative | private | — | via GOOGL, SFTBY | private-giants |
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