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 |
|---|---|---|---|---|---|---|
| GCHHF | Gooch & Housego PLC | core | $15.450.0% | $365M | —— | lasers-photonics |
| TOPTICA | TOPTICA Photonics SE | core | private | — | via — | lasers-photonics |
| COHR | Coherent Corp. | watch | $235.55+6.3% | $72.0B | -0.8% | lasers-photonics |
| HPHTY | Hamamatsu Photonics K.K. (ADR) | watch | $7.35+0.0% | $5.3B | +9.7% | lasers-photonics |
| IPGP | IPG Photonics Corporation | watch | $74.73+2.6% | $5.0B | +1.0% | lasers-photonics |
| MKSI | MKS Inc. (Newport / Spectra-Physics) | watch | $211.85+4.7% | $24.7B | -2.0% | lasers-photonics · uhv-systems |
| MSQUARED | M Squared Lasers (assets now Novacene Photonics) | speculative | private | — | via — | lasers-photonics |
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