KLA Corporation and Lam Research Corporation outpaced Nvidia in a September 4 rally, with investors rotating toward the equipment makers that supply chip factories rather than the accelerator maker itself. Both companies posted strong quarterly results tied to AI-driven demand, and hedge-fund positioning has not yet caught up to the move.
KLA gained 7.3% and Lam Research rose 5.1% on September 4, comfortably ahead of Nvidia's 0.8% move the same day. Neither company sells accelerators. They sell the process-control and fabrication equipment needed to produce more advanced logic, memory, and packaging capacity, so the divergence tests whether investors are shifting from the visible AI winner to the factories behind it.
KLA's inspection business rides AI packaging demand
KLA's fiscal fourth-quarter revenue reached $3.66 billion, and management said AI infrastructure is creating advanced-packaging opportunities for its process-control portfolio. The bull case rests on rising inspection intensity: smaller geometries, chiplets, and complex packages create more opportunities for costly defects, which increases the value of metrology. The bear case is semiconductor-capital-equipment cyclicality, export controls, and the possibility that customers pause spending after a heavy buildout.
Insider Monkey counted 81 hedge funds holding KLA at June 30, up from 71 at March 31. Arrowstreet Capital disclosed 4,712,396 shares, roughly 40% below its split-adjusted Q1 position, so the falling individual stake tempers the rising aggregate holder count.
Lam Research posts record quarter on AI-driven demand
Lam's June-quarter revenue was $6.72 billion. It posted a 51.7% gross margin and 37.4% operating margin. Management tied the record performance to AI-driven semiconductor demand. Lam benefits when customers add deposition and etch steps to manufacture denser memory and logic, though its bear case carries more direct exposure to wafer-fabrication spending and memory-capacity timing than KLA's.
Hedge-fund participation in Lam Research rose to 139 funds in Q2 from 123 in Q1. Arrowstreet Capital, the largest holder in the Q2 table, reported 12,269,198 shares, about 7% fewer than in Q1. Both quarter-end snapshots predated the September 4 rally, so they cannot show how funds reacted to it. Lam's latest published short-interest settlement, on August 14, recorded 28,419,138 shares sold short and 3.27 days to cover, which is not a crowded bearish position.
Cyclical risks remain
One plausible read of the rally is that investors were rotating toward the manufacturing capacity behind AI, though no company-specific catalyst was confirmed. KLA offers the inspection tollbooth; Lam offers greater exposure to the number and complexity of process steps. Both need continued customer capital spending, and neither is immune if AI deployment stops justifying new fabs and advanced-packaging lines.
Investors should separate utilization-driven service revenue from new-system demand, because recurring installed-base economics can cushion a downturn but cannot fully replace a capital cycle. Friday broadened the market's attention; it did not abolish semiconductor cyclicality.
Source: Insider Monkey
Trading involves risk.
Risk Disclaimer
