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The Coldest Place on Earth — Dilution Refrigerators · The Picks & Shovels of Quantum — Fridges, Lasers & Helium-3

OXIG.L

Oxford Instruments
Foreign listing — not directly tradable in a US brokerage. Editorial detail only.

The only publicly traded dilution-refrigerator pure-play. With private Bluefors, more than 70% combined market share.

What they do

UK-listed scientific instruments group. The NanoScience division makes ProteoxLX and Proteox5mK dilution refrigerators — the only commercial systems that reach below 5 millikelvin continuously. Per Business Research Insights, Oxford Instruments NanoScience holds ~14-25% of global dilution-fridge share (varying by methodology). The only public pure-ish play in the category. Recent customer collaborations include IBM Goldeneye (the giant fridge IBM is building for Starling) and Fermilab Colossus.