Research
STX: 1,130bp Margin Surge Driven by HAMR Ramp
Seagate's FQ3 2026 earnings beat on revenue and EPS, but the real story is a 1,130 basis point gross margin expansion driven by a structural shift toward higher-capacity nearline drives using HAMR/Mozaic technology. The tape is reading this as cyclical strength; the filing reveals a durable product mix transition that should sustain elevated margins as cloud providers deploy AI infrastructure.