Sector VII · 5 chokepoints · 19 names

Quantum

The Picks & Shovels of Quantum — Fridges, Lasers & Helium-3

Imagine the California Gold Rush of 1849. Most prospectors went broke. The two reliable winners were Levi Strauss (denim pants for miners) and Sam Brannan (the only guy in San Francisco selling shovels and pans). Quantum computing is in its 1849 moment — except no one knows yet whether the gold is even in the river. Trapped-ion qubits, superconducting qubits, photonic qubits, neutral-atom qubits, silicon spin qubits, topological qubits: there are at least six different ways being raced against each other right now, and most will not become commercial in the next 5-10 years.

But every single one of those approaches — except photonic and trapped-ion — requires being cooled to 10 millikelvin (1/100th of a degree above absolute zero, colder than deep space). The only commercial machine that can do that is a dilution refrigerator . Two companies make them: Bluefors (Finland, private) and Oxford Instruments (UK, public). They share over 70% of the market.

Add to that: every quantum computer needs lasers (Coherent, Lumentum, Hamamatsu), specialty vacuum and gas systems (MKS), microwave control electronics (Keysight), and very specific cryogenic cables. You don't need to know which qubit architecture wins. The picks-and-shovels companies get paid regardless. And the deeper choke — helium-3 , of which the world has about 1 kg per year of natural decay supply against demand of 40,000 liters per year — is the resource that limits the entire industry's growth rate.

Sources

Business Research Insights, AAAS · May 2026

The 5 chokepoints

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Choke 01

The Coldest Place on Earth — Dilution Refrigerators

Sub-15 Millikelvin Cooling · Helium-3/Helium-4 Mixtures · Cryogen-Free Systems

To run a superconducting qubit you must cool the chip colder than deep space. Two companies on Earth make the machines that do that.

A superconducting qubit only works if you cool the chip to about 10-15 millikelvin — that is one-hundredth of one degree above absolute zero, several thousand times colder than the cosmic microwave background. The only commercial way to achieve this is a dilution refrigerator — a multi-stage cryostat that uses a mixture of two helium isotopes (helium-3 and helium-4) circulating through chambers at progressively colder stages. Per ICVTank/Business Research Insights, Bluefors (private, Finland) holds ~34% market share and Oxford Instruments (public, UK) holds ~21-25%; together over 70%. A dilution refrigerator system costs $500K-$3M and takes 12-18 months to deliver. Every superconducting qubit (IBM, Google, Rigetti, IQM, D-Wave annealing), spin qubit (silicon quantum), and topological qubit (Microsoft) approach needs one. Only trapped-ion (IonQ, Quantinuum) and photonic (PsiQuantum, Xanadu) approaches avoid the millikelvin requirement.

Why this is a chokepoint

You cannot run a superconducting qubit lab without one. There are essentially two suppliers. Behind them sits an even deeper chokepoint: helium-3 . White House OSTP Assistant Director Steve Fetter publicly stated that "about 8,000 liters of helium-3 each year will accumulate from the decay of tritium" — roughly 1 kg/year from natural decay alone — against demand of "at least 40,000 liters per year" per an AAAS workshop report. Annual global production is in the low-tens-of-kilograms range. This is a genuinely strategic, long-term constraint that no one has priced.

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OXIG.L

Oxford Instruments

not US-tradable

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

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.

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Private

Bluefors

Finnish leader at ~34% dilution-fridge share. Over 1,500 systems installed globally. Private — no public ticker.

The market leader in dilution refrigerators is private . Over 1,500 systems installed; recently expanded Syracuse, NY production. Owns Cryomech (acquired 2023) for cryogen-free expansion. No public ticker. Closest investable proxy is Oxford Instruments (above), which competes head-to-head with Bluefors for every major quantum-computing customer.

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AI.PA

Air Liquide

not US-tradable

Owns CryoConcept (mid-tier dilution-fridge maker). Manages industrial gases including strategic helium reserves.

French industrial gas major. Owns CryoConcept , a mid-tier dilution refrigerator maker, and manages strategic helium reserves — the cryogen that feeds everything in quantum. Lower-purity exposure to the quantum picks-and-shovels thesis through a diversified industrial gas business. Lower beta, lower upside, but a real (if buried) call option on helium-3 economics over the next decade.

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