Semtech Q4: Strong Finish To The Year, Hold For The Next Year Or So

Semtech (SMTC) delivered mixed Q4 and full-year results, with strength in data center-driven Signal Integrity offset by IoT segment weakness. SMTC's GAAP loss narrowed significantly and free cash flow rose to $171M, but sustainable profitability remains elusive despite robust data center demand. Management guides Q1 '27 revenue and adjusted EPS above consensus, citing continued momentum in AI data center networking and margin expansion from 800G to 1.6T.