Recent commentary around Semtech (SMTC) has picked up as investors focus on its role supplying semiconductor and Internet of Things solutions tied to AI data center build outs, while also weighing concerns about margins and goodwill.

At a share price of US$121.52, Semtech has given investors a 61.47% year to date share price return and a 124.37% total shareholder return over the past year. However, the 18.85% share price decline over the last month suggests some recent momentum has cooled, even after a strong 28.73% 90 day share price return and a very large 3 year total shareholder return of 316.16%.

If Semtech's AI and IoT positioning has you thinking about where else growth and risk might be shifting in related areas, this can be a good moment to scan 56 AI infrastructure stocks

After such a strong multi year run followed by a sharp pullback, Semtech now sits at an interesting crossroads. Do the current numbers still tilt the risk reward in favour of new buyers, or has most of the upside been used already?

Most Popular Narrative: 40.7% Undervalued

Compared with the narrative fair value of $204.83, Semtech's last close at $121.52 implies a large valuation gap that current pricing does not fully reflect.

Accelerating demand from hyperscale data centers and AI infrastructure is driving robust, multi-year growth across Semtech's high-margin data center business, supported by design wins in advanced optical (FiberEdge), low-power (LPO), and active copper interconnects (CopperEdge/ACC). As data rates move from 400G to 800G and 1.6T, Semtech is positioned to capture additional revenue and margin expansion from new content per deployment.

Want to see what sits behind that confidence in Semtech's AI data center exposure? The core narrative focuses on revenue compounding, margin repair, and a richer earnings mix built around these products.

Result: Fair Value of $204.83 (UNDERVALUED)

However, Semtech's recent goodwill impairment in connected services and pressure on gross margins in some segments show how integration and product mix shifts could still challenge this upbeat narrative.

Another View on Semtech's Valuation

The narrative fair value for Semtech leans on earnings forecasts and analyst targets. Yet the current P/S of 10.4x sits above the US Semiconductor industry at 7.3x and below the peer average at 15.2x, while the fair ratio is 13.1x. That split hints at both valuation risk and possible upside. Which side of that range do you think is more realistic?

Next Steps

With sentiment on Semtech split between optimism on AI exposure and concern about margins and goodwill, it helps to move quickly and test the data yourself. Start by weighing both sides of the story through the 2 key rewards and 2 important warning signs

Looking for more investment ideas beyond Semtech?

If Semtech has sharpened your focus on finding better opportunities, do not stop here. Use the tools available and keep your watchlist filled with strong candidates.

• Target potential value by reviewing companies highlighted in the 51 high quality undervalued stocks that may offer quality at a price the market has not fully recognised yet.
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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.