AI chip shortage widens gap between winners and losers

The shortage of memory chips, exacerbated by the AI buildout and geopolitical supply chain stress, is creating stark divergence in corporate results and stock performance. Bloomberg's analysis shows that firms with locked-in supply contracts and memory manufacturing capabilities are delivering strong results and beating valuation multiples, while those dependent on spot market purchases are facing margin compression. Broadcom (AVGO) has particularly benefited, with demand for high-bandwidth memory (HBM) and interconnect solutions soaring. Conversely, system integrators and AI infrastructure companies without secure chip allocations are warning of supply constraints and delayed project timelines.

The narrative extends beyond Nvidia and the traditional GPU players. Western Digital has delivered a 3x outperformance versus Nvidia over the past month, benefiting from storage demand and supply constraints in NAND flash. Super Micro (SMCI) is navigating supply volatility, with some market participants questioning whether peak AI capex gains are behind the mega-cap players. Memory-focused chipmakers are seeing order books stretch into 2027, with lead times tightening further. The imbalance between demand (driven by data centre buildouts) and supply (limited by fab capacity and geopolitical restrictions) is expected to persist through 2026.

Memory prices have started to rebound after years of weakness. DRAM and NAND contracts are rising as spot prices harden, benefiting suppliers like SK Hynix and Samsung. However, the shortage is creating a two-tier market: premium names with secure supply and advanced nodes command premium valuations, while second-tier players struggle. This is forcing some firms to pivot toward alternative architectures or invest in memory production (e.g., Intel's memory ventures).

The bull case rests on the assumption that fab capacity will increase and supply will eventually meet demand, easing the shortage. However, geopolitical tensions (especially around Taiwan and China) and energy costs (elevated due to the Iran war) could constrain fab expansion. Additionally, if AI capex growth decelerates faster than expected, memory prices could collapse again, pressuring suppliers. For now, though, the narrative favours memory specialists and those with supply security.