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KLA Corporation
Information Technology · Semiconductors & Semiconductor Equipment
Process-control monopoly that gets paid more as nodes get harder:
- ~80%+ share at the leading-edge optical wafer inspection segment. As process nodes shrink (3nm → 2nm → A16), defect detection difficulty scales super-linearly with feature size - every node transition raises KLA's wallet share per wafer.
- High-NA EUV is structurally KLA-positive - the higher pattern density requires more sophisticated inspection + metrology to maintain yield.
- ~25%+ of revenue is service / spares with software-economics margins; recurring base compounds with installed shipments.
- AI capex cycle pulls leading-edge wafer demand → more inspection tools shipped + more service revenue accumulated.
Bear:
- Same TSMC + Samsung + Intel + SK Hynix + Micron customer concentration.
- Smaller TAM than $AMAT / $LRCX - when the cycle inflects up, KLA is more capacity-constrained on tool delivery, when it inflects down, smaller customer base = faster contraction.
- China legacy-node business has been partial offset historically; tighter export controls cap it.
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