Atoms vs Bits
Original source ↗  |  February 11, 2026 at 20:36 UTC  |  Substack - Citrini Research
Speakers
Citrini — Citrini Research

Summary

  • Capital is undergoing a significant rotation from "bits" (software, digital platforms) to "atoms" (physical assets, materials, and industrial processes), driven by the perceived existential threat and uncertainty posed by agentic AI to software business models.
  • Software companies, including Vertical SaaS, digital advertising, and fintech, are facing an "AI Disruption Discount," leading to repricing and trading at historical discounts as their moats are questioned.
  • The demand for "atoms" is surging due to the exponential growth of AI hyperscalers, creating bottlenecks in power and materials. While initial "atoms" trades (e.g., copper, grid infrastructure) are crowded, the next evolution focuses on less obvious, highly constrained supply chains with multiple demand tailwinds.
  • A key opportunity is identified in specialized advanced materials and processes, particularly those with high barriers to entry, concentrated production, and exposure to defense, electrification, aerospace, and AI, exemplified by the uranium conversion market.

=== MARKET IMPLICATIONS === This analysis suggests a significant paradigm shift in market valuation, moving away from high-multiple software companies towards tangible assets and industrial capabilities. The "AI Disruption Discount" will likely continue to depress valuations for many software and digital service providers, especially those without clearly defined, AI-resilient moats. Conversely, sectors involved in the production of critical materials, specialized manufacturing, and energy infrastructure are poised for structural growth. This implies a potential re-rating of industrial and materials companies, particularly those with pricing power and high barriers to entry, as their resilience to AI disruption becomes a premium factor. Second-order effects include increased M&A activity in the materials sector as hyperscalers and defense contractors seek to secure supply chains, and a potential widening valuation gap between "commodity" materials plays and those with proprietary processes or strategic monopolies.

Trade Ideas
Ticker Direction Speaker Thesis Time
SHORT Citrini
Substack author, Citrini Research
Software companies, particularly Vertical SaaS, digital advertising platforms, and portions of fintech, are experiencing an "AI Disruption Discount." Their high historical valuations (e.g., 30x revenue multiples) are being repriced due to the threat of agentic AI posing existential challenges to their business models, questioning the durability of moats like high switching costs and sticky UX. The market's uncertainty regarding AI's impact on software moats is leading to a sustained re-evaluation and downward pressure on valuations. This repricing is driven by the *threat* of AI, not just its actual impact, suggesting further downside as investors grapple with unknown future competitive landscapes. The software sector, particularly segments vulnerable to AI disruption, faces continued valuation compression and underperformance as capital rotates to more resilient "atoms" plays. Investors should avoid or short companies in these segments lacking clear, AI-proof moats. AI's impact on these sectors proves less disruptive than anticipated, incumbents successfully integrate AI to strengthen their moats, or a broader market rally lifts all boats regardless of fundamental shifts.
LONG Citrini
Substack author, Citrini Research
The "atoms" trade is evolving beyond crowded plays into specialized Advanced Materials & Processes. These companies operate in concentrated markets (duopolies, oligopolies, monopolies) with high barriers to entry (decades of process knowledge, stringent quality, long customer qualifications). They sell into sectors with multiple tailwinds: defense (Trump's $1.5T budget, NATO, Japan), electrification, aerospace (historic backlog), and AI (data center buildout). These materials are protected by physics, technical barriers, defense restrictions, chronic underinvestment, and quality requirements, making them resilient to competition and supply chain disruptions. The convergence of cyclical demand recovery and structural spending increases means the market is currently underpricing these names, often valuing them based on only one tailwind. This sector represents the "next evolution" of the "atoms" trade, offering companies with strong moats, pricing power, and multiple, converging demand drivers. These businesses are fundamentally resilient to AI disruption and are poised for significant outperformance as capital continues to rotate from "bits" to "atoms." Global economic slowdown impacting industrial demand, geopolitical shifts reducing defense spending, unexpected technological breakthroughs that reduce demand for specific materials, or a failure of the market to recognize the confluence of tailwinds.
LONG Citrini
Substack author, Citrini Research
Solstice Advanced Materials (SOLS US) operates the sole uranium hexafluoride (UF6) conversion facility in the United States (Metropolis Works), representing ~20% of global capacity. The global conversion market is structurally tight due to Russian sanctions and competitors running near capacity. SOLS' legacy contracts, struck at $20/kgU, are rolling off and being replaced at the current spot price of ~$64/kgU, effectively tripling revenue per unit. This repricing will largely occur by 2028/2029, leading to an explosion in AES segment EBITDA margins to 60%. The market is currently undervaluing SOLS' nuclear segment, assigning it a 7.6x EV/EBITDA multiple for 2028, significantly lower than US pure-play enrichment (LEU at 33x) or Cameco's fuel services (14-17x). The guaranteed repricing of legacy contracts, combined with structural demand growth from new reactors, SMRs, and AI-driven nuclear PPAs, provides a clear path to substantial margin expansion and a re-rating of the stock. SOLS is a deeply undervalued monopoly in a critical, supply-constrained "atoms" market, with guaranteed margin expansion from contract repricing and significant upside from a burgeoning nuclear renaissance. A fair valuation of 12-14x EV/EBITDA for the AES segment could imply $95-105 per share, representing substantial upside. Slower-than-expected contract repricing, a significant drop in spot uranium conversion prices, operational issues at the Metropolis plant, new competitive entrants, or a slowdown in global nuclear energy expansion plans.