• Earlier this month, Coherent Corp. reported third-quarter 2026 sales of US$1.81 billion and net income of US$191.40 million, sharply improving earnings per share from a loss a year ago and guiding fourth-quarter revenue to between US$1.91 billion and US$2.05 billion.
• Beyond the stronger financials, Coherent’s deepening role in AI data center infrastructure, underlined by Nvidia’s multibillion-dollar backing and capacity expansion commitments, highlights its growing importance across the photonics supply chain.
• Now we’ll examine how Coherent’s Nvidia-backed AI data center momentum reshapes its investment narrative built on photonics-driven growth.

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Coherent Investment Narrative Recap

To own Coherent, you have to believe AI data center optics can offset volatility in industrial and materials markets while justifying a rich valuation. The latest quarter’s higher revenue and earnings, plus guidance of US$1.91 billion to US$2.05 billion for Q4, reinforce the AI data center story as the key near term catalyst, while the biggest risk remains that heavy capital spending and customer concentration do not translate into sustained, high margin photonics demand.

The most relevant recent development is Nvidia’s US$2 billion investment and its 7.8 million share stake in Coherent, which ties directly into the AI data center buildout powering Coherent’s datacom growth. This endorsement, alongside long term capacity expansion in indium phosphide and stronger hyperscaler relationships, supports the thesis that Coherent can play a central role in next generation optical links, even as competition and valuation risk stay front of mind.

But against all this AI enthusiasm, investors should also be aware of how concentrated hyperscaler demand could quickly become a risk if spending patterns shift...

Coherent's narrative projects $18.3 billion revenue and $2.3 billion earnings by 2029. This requires 40.4% yearly revenue growth and an earnings increase of about $1.9 billion from $400.6 million today.

Uncover how Coherent's forecasts yield a $371.16 fair value, a 3% downside to its current price.

Exploring Other Perspectives

Before this earnings beat, the most optimistic analysts were already modeling revenue of about US$9.4 billion and US$1.4 billion in earnings by 2028, which assumes AI optics growth and indium phosphide scaling go almost perfectly, whereas others worry these same factors could stall if hyperscaler orders slow or capacity ramps misfire.

Explore 7 other fair value estimates on Coherent - why the stock might be worth as much as $380.31!

The Verdict Is Yours

Don't just follow the ticker - dig into the data and build a conviction that's truly your own.

• A great starting point for your Coherent research is our analysis highlighting 2 key rewards and 3 important warning signs that could impact your investment decision.
• Our free Coherent research report provides a comprehensive fundamental analysis summarized in a single visual - the Snowflake - making it easy to evaluate Coherent's overall financial health at a glance.

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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.