Jed Dorsheimer

Jed Dorsheimer from William Blair asked for an update on the 14 GW backlog, seeking color on the breakdown of customer discussions between utilities and hyperscalers. He also questioned whether the Atomic Alchemy initiative and fuel recycling capabilities have accelerated supply chain risk discussions with customers. Finally, he asked if actinide tailoring for isotope production could be done with EBR or if it requires the Viper reactor, comparing it to Candu's capabilities.

Answer

Craig Bealmear, CFO of Oklo, confirmed the 14 GW backlog is still predominantly data center and hyperscaler customers, with potential for growth. He noted active term sheet exchanges and progress on prepayments for power or fuel. Jacob DeWitte, CEO of Oklo, clarified that Atomic Alchemy discussions are with different counterparties, and while lab-scale facilities can generate early revenue, reactors like Viper unlock significant performance differentials for isotope production. He emphasized Viper's versatility for thermal neutron isotopes and the unique capabilities of fast reactors for certain isotopes.

Jed Dorsheimer with William Blair asked about Oklo's 14-gigawatt backlog, inquiring if it has changed, the breakdown between utility and hyperscaler customers, and the nature of ongoing discussions. He also questioned if the Atomic Alchemy subsidiary and its fuel recycling plans have influenced supply chain risk discussions with customers. Finally, he asked if isotope production from EBR fuel could occur before the Viper reactor is operational, comparing it to Candu reactor capabilities.

Answer

CFO Craig Bealmear confirmed the 14 GW backlog, primarily hyperscaler and data center customers, with ongoing term sheet exchanges and discussions for prepayments. He noted Atomic Alchemy's progress on its pilot program and lab-scale facility, expecting single-million-dollar revenue from the latter in H1 next year, though these discussions involve different counterparties. CEO Jacob DeWitte explained that near-term isotope recovery from EBR fuel is possible without a reactor, but the Viper reactor (mid-2026) will unlock significant production, especially for thermal neutron isotopes, while fast reactors (Aurora, Pluto) will enable unique fast neutron isotope production.

Jed Dorsheimer of William Blair inquired about the pipeline's mix between behind-the-meter and front-of-the-meter opportunities and asked which specific radioisotopes Oklo has a competitive advantage in producing for the radiopharma market.

Answer

Co-Founder, CEO & Director Jacob Dewitte stated that while behind-the-meter applications are compelling, near-term deployments may favor grid-tied or hybrid solutions. For radioisotopes, he explained that the strategy includes extracting isotopes like strontium-90 from recycled fuel and using Atomic Alchemy's cost-effective reactor design to produce known isotopes more cheaply, aiming to create an ecosystem of isotopic abundance.

Jed Dorsheimer inquired about potential supply constraints in the radiopharma business for the Lutetium-177 precursor (Ytterbium-176) during the quarter, and expectations for radiopharma growth.

Answer

Rex Geveden, President and CEO, stated they were not supply-constrained for Ytterbium-176, being far downstream in the process. He expects Lutetium growth to continue to accelerate, leading to higher future demand. Jed Dorsheimer also asked if an RFP win for a Rolls-Royce SMR or AP1000 would primarily drive backlog without significantly contributing to 2026 growth, implying that most reactor-side growth in 2026 would come from Bruce and OPG in Canada. Rex Geveden and Mike Fitzgerald confirmed this, noting such scope is not in the 2026 forecast and would be additive. Rex emphasized a low-risk revenue outlook for 2026, with a focus on driving margins.

Jed Dorsheimer of William Blair sought clarification on the implant technology mix (high-energy vs. high-current) for silicon carbide in China versus the rest of the world, and asked about other applications driving high-energy demand.

Answer

President & CEO Russell Low detailed that planar SiC primarily uses high and medium current tools, whereas advanced trench and superjunction devices require high-energy implanters. He added that while high-energy is used in image sensors and memory, the implant density in silicon carbide is a significant current driver for the technology.

Jed Dorsheimer of William Blair questioned the geographic mix of the silicon carbide business, particularly China's exposure, the portion of backlog secured by deposits, and the specific technology differentiators in medium/high current tools for memory and logic applications.

Answer

President and CEO Russell Low stated that Axcelis has global exposure in silicon carbide and does not believe the business will be impacted by recent export rules, which target advanced logic and memory. EVP and CFO James Coogan explained that customer deposits are typically required for new entrants, representing a smaller portion of the total backlog. Low added that for advanced logic, Axcelis is targeting new applications, and for memory, its tools are 'battle-hardened' and optimized for high-volume applications.

Jed Dorsheimer of William Blair & Company, L.L.C. inquired about the drivers behind the quarterly gross margin decline, the source of management's increased optimism regarding the AI processor market, and the nature of discussions with semiconductor foundries.

Answer

President & CEO Gayn Erickson and CFO Chris Siu attributed the gross margin pressure to an unfavorable product mix, the temporary cost burden of the InCal facility prior to its consolidation, and lower manufacturing utilization. Erickson explained the heightened AI optimism stems from successfully proving their wafer-level burn-in technology with a lead customer, which has generated significant inbound interest from other major players who now see a clear, cost-effective path to improving yield on expensive, complex chiplet-based processors.

Jed Dorsheimer of William Blair & Company requested details on the backlog composition, the expected revenue balance between systems and WaferPaks, the attach rate for automated aligners, the mix of 150mm versus 200mm silicon carbide wafers, and the reasons new customers are now opting for FOX-XP systems directly, bypassing the typical FOX-NP evaluation phase.

Answer

Executive Gayn Erickson declined to provide a detailed backlog breakdown for competitive reasons but confirmed a significant portion is from the new Incal acquisition. He expects a more balanced revenue mix between systems and WaferPaks going forward, with growth in non-SiC applications. Erickson estimated over half of future systems will include automated aligners and noted that while the FOX platform is wafer-size agnostic, they are testing an increasing number of 200mm wafers. He attributed customers moving directly to the FOX-XP to their increased comfort with the technology, which has been bolstered by Aehr's extensive in-house wafer testing services.

Jed Dorsheimer sought to confirm his back-of-the-envelope calculation that implied Mohawk Valley is operating at approximately a 20% gross margin, based on the provided financial details.

Answer

CFO Neill Reynolds declined to confirm the specific margin figure but affirmed the underlying premise, stating, "the profitability coming out of Mohawk Valley is significantly better than what we're seeing at 150-millimeter in Durham." He attributed this to Mohawk Valley's status as a highly automated, state-of-the-art facility.

Jed Dorsheimer inquired about the potential for further cost reductions in the core business, regional demand trends for various wafer sizes, and the market impact of the GT Advanced Technologies bankruptcy.

Answer

President and CEO Bill Weissman responded that another 15% or more in cost reductions over the next 6-12 months is not unreasonable. He noted that 2-inch demand is almost exclusively from China, while 4-inch is primarily Taiwan and Korea. Regarding the GT bankruptcy, Weissman stated they are not seeing direct market implications but noted continued interest from smartphone manufacturers in sapphire faceplates.