AMD plans to make an equity investment in PsiQuantum, the photonic quantum computing company, the two said in a joint release on 12 November. The release does not give the size or terms of the stake. PsiQuantum was valued at $7 billion when it raised $1 billion in September 2025, a round in which Nvidia’s venture arm, NVentures, was a new investor.
The investment comes with an expanded partnership. PsiQuantum had already selected AMD Versal FPGA technology for its fault-tolerant platform; the deal widens that to AMD Instinct GPUs, EPYC CPUs and the ROCm software stack. The release says AMD plans the stake “to reinforce its commitment to the partnership”.
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An evergreen Business Engineer explainer on embedded dependency: what sits inside the products you buy. It teaches the general idea only and does not discuss AMD or PsiQuantum.
The key insight: As we read the sources together, PsiQuantum has now drawn money or planned money from both large GPU makers: NVentures invested in its $7 billion round in September 2025, and AMD plans a stake of undisclosed size, while AMD’s own equity holdings rose from $1.3 billion to $3.2 billion in the first nine months of 2026, by our arithmetic.
The companies said they will co-design the computing infrastructure needed to run utility-scale, fault-tolerant quantum computers, and hybrid applications that combine quantum, high-performance and AI computing. Working with AMD, PsiQuantum researchers optimized a machine-learning decoder called PRISM for low-latency use on programmable hardware accelerators, aimed at real-time error correction, the release says.
The first commercial focus named is drug discovery. The release says the companies’ combined work has delivered initial results in simulating covalent inhibitors, a class of molecules relevant to cancer drug research. Both companies will also explore a footprint at the Illinois Quantum and Microelectronics Park in Chicago, where PsiQuantum is the anchor tenant, and plan to say more at SC26 from 15 to 20 November.
AMD’s chief technology officer, Mark Papermaster, said: “We see that same opportunity with quantum computing, where leadership in classical computing is essential to building systems at scale”.
Carrying value of AMD’s equity investments from its Form 10-Q: non-marketable equity and other securities $1.1 billion at 27 December 2025 and $1.9 billion at 26 September 2026; marketable equity securities $0.2 billion and $1.3 billion. Totals ($1.3 billion and $3.2 billion, about 2.5 times) and changes are our arithmetic.
Money From Both Chipmakers
PsiQuantum’s Series E release of September 2025 listed NVentures among the new investors and said PsiQuantum was collaborating with Nvidia on quantum algorithms and software, GPU-QPU integration and its silicon photonics platform. The 12 November release names AMD, the other big GPU maker, as a planned shareholder in the same company. The September 2025 round was led by funds managed by BlackRock affiliates, with Temasek and Baillie Gifford.
PsiQuantum’s government work has grown too. In July 2026 it signed a $125 million agreement with DARPA under the Quantum Benchmarking Initiative, after a $31.8 million agreement in September 2025: about 3.9 times larger, by our arithmetic. PsiQuantum said it remains one of two companies in the initiative’s Stage C.
What AMD’s Filing Shows
AMD’s 10-Q for the quarter to 26 September shows non-marketable equity and other securities of $1.9 billion, up from $1.1 billion at 27 December 2025, and marketable equity securities of $1.3 billion, up from $0.2 billion. Together that is $3.2 billion against $1.3 billion at the start of the year, about 2.5 times, by our arithmetic.
The filing also lists commitments to make equity investments of up to $5.1 billion, “primarily in privately held companies that develop SI and other technologies, including early-stage companies”, expected through fiscal 2028. SI is AMD’s abbreviation for super intelligence. The filing predates the PsiQuantum announcement and does not name the companies behind the commitments.
As we read the release, the partnership starts with control hardware: AMD Versal FPGAs were already selected for PsiQuantum’s platform, and the PRISM error-correction decoder was optimized for programmable hardware accelerators.
As we read AMD’s 10-Q, the company had committed up to $5.1 billion more to equity investments through fiscal 2028 before this announcement, so a stake of this kind fits a programme the filing already describes.
PsiQuantum and AMD joint release, 12 November 2026
“To reinforce its commitment to the partnership, AMD also plans to make an equity investment into PsiQuantum.”
Three Implications
FOR PSIQUANTUM The release names drug discovery as the first commercial focus and a possible shared footprint at the Illinois Quantum and Microelectronics Park.
FOR AMD Its 10-Q lists equity balances of $3.2 billion at 26 September and commitments of up to $5.1 billion, by our arithmetic for the total.
FOR NVIDIA PsiQuantum’s 2025 release said it was collaborating with Nvidia on GPU-QPU integration; the 12 November release does not mention Nvidia.
The framework says: “Each layer is commercialized by the one above it.”
As we read it, AMD’s CPUs, GPUs and FPGAs sit in the silicon layer, and a stake in a company building a new kind of computer on top of them is a way to be in the layer above. The framework does not discuss quantum computing or this deal.
What Is Not Established
The release gives no amount, price, valuation or closing date for AMD’s investment, and says AMD “plans” it. We do not know whether PsiQuantum’s valuation has changed since September 2025, or whether this stake falls within the $5.1 billion of commitments in AMD’s 10-Q. Nvidia’s current holding in PsiQuantum is not public in the sources we read. AMD and PsiQuantum were not contacted for this piece.
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AMD plans an undisclosed equity stake in PsiQuantum alongside a partnership spanning its FPGAs, GPUs, CPUs and ROCm software, the companies said on 12 November. PsiQuantum was valued at $7 billion in September 2025, when Nvidia’s NVentures invested. AMD’s equity holdings rose to $3.2 billion at 26 September from $1.3 billion at the start of the year, by our arithmetic, with up to $5.1 billion more committed.
A note on sourcing. The partnership and planned investment come from the joint release PsiQuantum and AMD published on 12 November, which we read in full. PsiQuantum’s September 2025 round comes from its own release, read as republished in full by The Quantum Insider; the DARPA figures come from PsiQuantum’s July 2026 release. AMD’s equity balances and commitments come from its Form 10-Q for the quarter ended 26 September 2026, read on SEC EDGAR. Ratios and totals are our arithmetic. AMD and PsiQuantum were not contacted for this piece.
Gennaro Cuofano is a CRO and tech executive who has worked in AI since late 2015, starting with bringing NLP, natural-language generation, voice and chatbot products to the marketing industry. His background is in law and finance: he holds a Master's degree in Law and an International MBA with an emphasis on corporate finance (LUISS Business School and the University of San Diego, 2012), and worked as a financial analyst at a real-estate investment firm in San Diego and as an assistant controller. His work focuses on business model strategy, business engineering and, more broadly, structural analysis: how companies make money, read from their own filings. He created FourWeekMBA and leads research there and at The Business Engineer, his newsletter on AI and business strategy, with over 95,000 subscribers and more than 1,000 published analyses. His writing has also appeared on Entrepreneur (for example, How to Digitize a Family Business in Europe) and HackerNoon. Find him on LinkedIn and Substack. See how we source.
