Why Semtech Corporation (SMTC) Stock Rose 10.4% on Aug 26, 2026

Why did SMTC stock rise?

Semtech Corporation rose 10.4% on August 26 following the company's August 25 fiscal Q2 earnings report and Q3 guidance that substantially exceeded analyst expectations. Q2 revenue of $341.9 million beat consensus by approximately $13 million and grew 33% year-over-year, while adjusted EPS of $0.71 surpassed estimates of $0.61–$0.62. Q3 guidance of $405–$415 million in revenue and $1.02–$1.08 EPS far exceeded consensus expectations of $359 million and $0.69 EPS, driven by record demand for AI data center networking products and LoRa IoT connectivity solutions.

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  Q2 earnings beat and strong margin recovery: Q2 revenue of $341.9 million exceeded consensus by ~$13 million and grew 33% year-over-year; adjusted EPS of $0.71 beat estimates of $0.61–$0.62. Operating margins swung from a 6.3% loss a year prior to a 16.3% profit.
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  Robust Q3 guidance significantly above consensus: Q3 revenue guidance of $405–$415 million (midpoint ~$410 million) substantially exceeded analyst consensus of ~$358 million; Q3 EPS guidance of $1.02–$1.08 far surpassed consensus of $0.69.
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  Record data center and AI infrastructure revenue: Data center revenue hit a record $100 million, up 91% year-over-year, driven by demand for 800G products and AI infrastructure solutions. LoRa IoT connectivity also contributed to the strong outlook.

Initial detection

BestStocks first flagged SMTC intraday on Aug 26, 2026; this analysis was finalized after the close using the confirmed +10.4% session move and additional catalyst research.

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