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Stephen M. Rothrock

For years, quantum computing has lived almost entirely in the research lab, but that is changing fast. The clearest sign of change came in spring of 2026, when IBM announced it would spin off Anderon as a standalone quantum foundry, separating its fabless chip design work from dedicated 300mm manufacturing. A company that had kept quantum fabrication tightly in house for over a decade realized that external demand now justified building a business around supplying wafers to others. When such a dominant incumbent decides to build a foundry business, that is a good indication the rest of the industry is not far behind.Over the past year, ATREG has spoken directly with a wide range of quantum hardware companies about their facility strategies. Nearly all of them are actively planning some form of scale-up, whether that means leasing cleanroom space, acquiring tools, or exploring options with existing fab operators. Alongside these conversations, we have tracked a wave of public funding rounds and cleanroom expansions from companies like QuantWare, IonQ, and IQM. Taken together, the pattern is unmistakable. Quantum computing is transitioning from a research curiosity into a manufacturing capacity question, and the companies driving this shift are bifurcating into two camps. These include vertically integrated players building or owning captive cleanrooms, and fabless designers routing wafers through commercial foundries. Both segments are now generating real fab transaction demand, which is relatively new.Why Now?Three forces are converging, with the first being government money. The U.S. Department of Commerce has signed letters of intent to invest roughly $2 billion into nine quantum computing companies in exchange for minority equity stakes. IBM’s Anderon spin-off and GlobalFoundries’ new quantum-focused business unit were granted the biggest incentives, while seven other venture-backed quantum hardware makers were granted smaller sums. Europe is moving in parallel, with France recently adding over €1 billion to its National Quantum Plan and Denmark building dedicated nanofabrication capacity for quantum chips near Copenhagen.Second, private capital is moving just as fast. Quantinuum's Nasdaq listing valued the company at over $15 billion. PsiQuantum's most recent raise pushed its valuation past $10 billion, and finally, IonQ's move to acquire SkyWater signaled that some fabless players are now willing to buy foundry capacity rather than wait for it. Third, although quantum computing is moving toward commercial production, the few specialized foundries capable of making quantum chips have already reached capacity with semiconductor demand. In discussions with foundry partners, we’ve learned that the U.S. Department of Commerce has received several proposals from companies looking for an industrialization partner and fab capacity for quantum manufacturing. Even before considering how many proposals ultimately get funded, the space available to absorb new quantum programs is limited. Separately, early company engagement is already happening well ahead of any formal facility buildout. This is a sign that demand is running ahead of infrastructure, and that latent demand is becoming active demand in real time. How Quantum Cleanroom Needs Compare to Traditional Fab Cleanroom RequirementsThe overlap with conventional semiconductor manufacturing exists, but it is narrower than the marketing suggests. Silicon-spin and superconducting modalities (the two furthest along commercially) map fairly directly onto standard 200mm-to-300mm wafer lines, running at mature nodes (16–28nm class) with no need for EUV lithography. While a qualified 200mm or 300mm metal deposition and etch line is one of the stronger brownfield fits available in the market today, quantum divergences can be seen in the following three areas. First, contamination control runs almost backwards from what logic manufacturers expect. For example, quantum fabs typically only need ISO 6 to 8 cleanroom classes. This is looser than what is standard for leading-edge logic, but specific materials like niobium, titanium nitride, and cobalt introduce isolation requirements that have nothing to do with particle counts. For instance, quantum hardware makers report that cobalt use in particular, creates friction with fabs built around conventional CMOS material rules. In addition, one major foundry noted that certain existing 300mm lines simply can't be converted for quantum work because of contamination risk from these non-standard materials.Second, packaging and assembly, not front-end fabrication, appears to be the primary roadblock. Bonding qubit chips to interposers, wiring for cryostats, and hybrid bonding require different tooling and tolerances than a front-end fab. In conversations with both foundry executives and quantum hardware companies, this stage was consistently described as the most fragmented and least mature part of the supply chain.Third, cryogenics and system integration are facilities problems, not cleanroom problems. Dilution refrigerators, cryostats, and helium supply require power capacity and vibration isolation more than particle control. In some cases, ISO 8 warehouse-grade space is sufficient. That reframes what "quantum-ready" facility space needs to look like, and it opens the door to buildings that wouldn't traditionally register as fab candidates.Where the Competitive Landscape is HeadedFewer than 100 meaningfully-funded quantum hardware companies exist today, but the small number of foundries qualified to serve them (including GlobalFoundries, imec, STMicroelectronics, Infineon, Tower, and SkyWater) are already seeing demand concentrate quickly. GlobalFoundries specifically, has emerged as an early plurality winner across multiple modalities. Whether that concentration holds, or whether scale-up costs push more players toward the SkyWater/IonQ model of outright acquisition, is one of the more consequential open questions in this space.What we are seeing in the market supports both scenarios simultaneously. Some companies are doing multi-year capacity planning well ahead of actual need, treating facility strategy as a long-lead problem to be solved early. Others are already outgrowing prototype-scale fabs and are looking to consolidate into shared or leased capacity. Both point to the same underlying reality: demand is forming faster than supply, and the packaging and assembly layer of the value chain remains particularly underserved.For a global industry built on brokering semiconductor fabrication assets, this is a familiar scenario with new variables. Brownfield capacity is a strong match for two of quantum computing's leading modalities today, with photonics and advanced packaging representing the next frontier. Ultimately, evaluating capacity gaps and moving before the rest of the market will be the next major opportunity for quantum computing's cleanroom moment. About Stephen M. RothrockStephen Rothrock is founder and CEO of ATREG, Inc. He founded ATREG in 2000 to help advanced technology companies divest and acquire infrastructure-rich manufacturing assets, including wafer fabs (front-and back-end) as well as MEMS, solar, display, and R D facilities. Over the last 25 years, ATREG has completed 40% of all global operational wafer fab sales in the semiconductor industry, representing a total of 60 transactions. Recent global acquisitions and dispositions have involved Allegro MicroSystems, Bosch, Elmos, Fujitsu, GlobalFoundries, IBM, Infineon, JDI, Maxim, Micron, Nexperia, NXP, onsemi, Plessey, Qualcomm, Renesas, Sony, Texas Instruments, TSI, VIS and more. Prior to founding ATREG, Rothrock established Colliers International’s Global Corporate Services initiative and headed the company’s U.S. division based in Seattle, Washington. Previously, he worked as director for Savills International real estate brokerage in London. There, he established the company’s corporate services platform serving large multinationals, many of whom were leading technology companies. Stephen also served on the U.K.-listed property company’s international board. He spent four years near Paris working for an international NGO. Stephen holds an MA degree in Political Theology from the University of Hull, UK and a B.A. in Business Commerce from the University of Washington in Seattle.
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Last month, leading-edge equipment company ASML announced a surprising €1.3 billion investment into French AI company Mistral. The two companies touted stronger collaboration and the desire to “innovate faster together.” Even though some observers were skeptical, the commitment of one European tech champion into an aspiring European tech firm in the world’s hottest industry made plenty of sense. Writing for Bloomberg, columnist Lionel Laurent noted that such a deal was “a win for Europe’s tech ambitions” and that Mistral would have increased credibility in an AI race dominated by the United States and China.Europe’s tech prowess indeed lags behind its global rivals. ASML is, perhaps surprisingly (or not, depending on your vantage point), Europe’s largest tech giant by market cap at $406 billion. Europe boasts no tech goliaths the size of Amazon or NVIDIA and is often left following the lead of American tech firms as they chart the commercialization of new technologies. In the semiconductor industry, Europe’s chip manufacturers comprise only 9% of global market share today compared to 44% in 1990. Despite the bleak reality that Europe’s tech ecosystem finds itself in, there are reasons to believe that the nadir of recent years is slowly giving way to a more robust and respected innovation landscape. This piece will focus specifically on semiconductor manufacturing, demonstrating how Europe is taking its technological future seriously, and how, despite the challenges that remain, ultimately Europe is poised to succeed.Three Shocks – How We Arrived At This MomentThough Europe may not have been satisfied with the technological balance of power of recent decades, such an arrangement was largely tenable in a globalized world which prioritized free markets and international security in the aftermath of the Cold War. Though numerous cracks appeared in previous decades, the last five years in particular have given way to three shocks which have awoken European policymakers.The first, of course, was the COVID pandemic and the decimation of supply chains that caused a rapid seesaw in chip inventories – from extreme shortage to extreme oversupply – that companies in the automotive and industrial sector are just now recovering from. One senior German official was quoted as saying, “We lost 1-1.5% of our GDP in 2021 because of a lack of semiconductors – or about €40 billion.”Only two years later would come Russia’s unthinkable invasion of Ukraine, an unwelcome new reality which has forced Europe to reckon with its defense posture and supply chain. Semiconductors, again, play a key role here – Europe is reliant on China’s legacy chip production, meaning that low-tech chips often find their way into strategic weaponry.Lastly, a second Trump administration has surprised and rallied European governments to respond to “America first” rhetoric. Combined with the aforementioned shocks, recent events have convinced even Europe’s most ardent globalists that the continent must now invest where necessary in order to protect its borders and foster a competitive and sovereign technology ecosystem.The Underwhelming Response So FarFast forward to today where Europe’s COVID supply chain disruptions quickly gave way to ambitious policy in the form of the €43 billion European Chips Act intended to stimulate private investment to complement public capital and push Europe’s chip manufacturing market share to 20%. In the more than two years since the legislation’s passing, however, announced projects have underwhelmed. Big splashes from Intel and Wolfspeed have failed to materialize due to overambitious market expectations. Today, you can almost count the key recipients on one hand – STMicroelectronics, Infineon, TSMC, GlobalFoundries, Silicon Box, and amsOSRAM.Despite the sense of cynicism from some corners, however, understanding the slow progress to this point helps to unlock the right strategies moving forward. Already, many industry stakeholders and policymakers have questioned if attracting manufacturing full stop is the right strategy. Peter Wennink, former CEO of ASML, called the European Commission’s target to secure 20% of the global chip market by 2030 “totally unrealistic,” emphasizing that Europe’s current share is “8% at best.”Even if Wennink’s conclusion is too harsh, the tangible lack of investment over the past couple of years paired with the urgent need for Europe to maintain and grow its semiconductor prowess in response to concerns of security and sovereignty still demands a workable solution. The answer lies in building upon Europe’s very real strengths in the chip industry, narrowing the scope of investment to key strategic areas and in continuing to prioritize collaboration at all costs. How Europe Can Still Meet The MomentAny conversation about Europe’s contributions to the global semiconductor industry should begin with its unparalleled research ecosystem, and there’s no better place to start than with Belgium’s imec, one of the foremost research institutions chip companies depend on. Earlier this year, imec’s President and CEO Luc Van den hove emphatically reminded his audience that “you can’t make an advanced chip without European technology.” Van den hove’s point was that Europe should be leaning into its strengths as a research powerhouse rather than trying to chase leading-edge nodes. The FAMES Pilot Line is one example of what that research prowess looks like in practice. Funded with €830 million via the EU Chips Act, the initiative brings together Europe’s leading research institutions (imec, Fraunhofer, CEA-Leti, and Tyndall) to develop open access to several key microelectronic technologies, with a strong emphasis on low-power applications for markets such as automotive, IoT, and mobile devices. Central to FAMES is its “open access” policy which enables European manufacturers to use its pilot line to develop prototypes and evaluate next-generation technologies. Chip companies without any manufacturing presence in Europe stand on the outside looking in, risking technological inferiority.While Europe flexes its academic prowess, however, it is increasingly recognizing its vulnerability when it comes to more mature-node technologies and production. Investments such as ESMC – TSMC’s joint-venture with regional champions Bosch, Infineon, and NXP – are a good start, but Europe fundamentally needs more mature tech, particularly for defense. In a recent piece for Foreign Affairs Magazine, authors Chris Miller and John Allen argued that Europe indeed has a promising semiconductor opportunity ahead of it, but only if it enhances cooperation with the United States. The fact that the two regions have similar goals and geopolitical rivals is an opportunity for Europe to attract greater chip investment from U.S. firms looking for Europe’s leading research capabilities and defense customers. The authors implore European policymakers to:“ensure that their chip companies can capitalize on the surge in defense spending by investing more in new defense technologies and fostering connections between large chip firms and small defense start-ups. European chip companies that have previously focused on civilian markets must realize that the defense industry, and particularly the drone sector, will drive growth and technological change.”Targeting these investments intelligently remains to be seen, but there can be no doubt that Europe is taking the funding challenge seriously. Germany, France, Italy, and the United Kingdom have all raised their defense spending as a percentage of national income, with Germany announcing plans to double its defense spending to €650 billion over the next five years.Securing Position In Europe's Semiconductor RenaissanceEurope’s semiconductor future will not be built by mimicking Taiwan’s fabrication prowess or outspending America’s subsidies. Instead, success lies in doubling down on what Europe already does exceptionally well – world-class research infrastructure, strategic positioning in mature and specialty nodes, and an increasingly robust defense industrial base hungry for secure semiconductor supply. As European chip subsidies continue and defense budgets surge across the continent and geopolitical fractures deepen, the strategic calculus is clear – semiconductor companies without meaningful European capacity risk ceding ground to competitors who recognized the shift early. The question is no longer whether Europe matters in the global chip ecosystem, but rather which companies will position themselves to capitalize on its inevitable growth.About Stephen M. RothrockStephen Rothrock founded ATREG in 2000 to help the world’s advanced technology companies divest and acquire infrastructure-rich manufacturing assets, including wafer fabs (front- and back-end) as well as MEMS, solar, display, and R D facilities. Over the last 25 years, his firm has completed 40% of all global operational wafer fab sales in the semiconductor industry, a total of 60 transactions. Recent global acquisitions and dispositions have involved Allegro MicroSystems, Bosch, Elmos, Fujitsu, GlobalFoundries, IBM, Infineon, Japan Display (JDI), Micron, NXP, onsemi, Qualcomm, Renesas, Sony, Texas Instruments, and VIS to name just a few. Prior to founding ATREG, Rothrock established Colliers International’s Global Corporate Services initiative and headed the company’s U.S. division based in Seattle, WashBefore that, he worked as Director for Savills International real estate brokerage in London UK, establishing their global corporate services platform serving large multinationals, many of whom were leading technology companies. Rothrock also served on the UK-listed property company’s international board. He spent four years near Paris, France working for an international NGO. Rothrock holds an MA degree from the University of Hull, UK and a BA degree in Business Commerce from the University of Washington in Seattle, USA.
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