Super Micro Computer (NASDAQ: SMCI) recently posted some incredibly strong sales numbers, with its top line more than doubling. Net sales of $10.2 billion for the third quarter of Fiscal 2026, which ended on March 31, were up an impressive 123% year over year. The company, which is involved in the sale of key technology infrastructure for businesses, including servers for artificial intelligence (AI), has experienced tremendous growth in recent years.
But while its sales have been impressive, that may not be enough of a reason to invest in the tech stock. Here’s why, despite its strong top-line numbers, I’d stay far away from it.
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The company’s razor-thin margins are a huge concern
A big problem that continues to plague Super Micro Computer is that its margins are extremely low. This means that its cost of revenue is high, and thus, a small portion of its revenue is left over to cover operating expenses and flow through to the bottom line. In its most recent quarter, which ended on March 31, Super Micro’s gross margin was just under 10%.
While margins have improved modestly for Super Micro, they remain incredibly low. And over the past nine months, while revenue has risen by 72% to $27.9 billion, its gross profit has risen by just 21% to $2.3 billion. The company has been doing well due to strong demand as a result of AI, but if that slows down, then that would only make things worse; C3.ai’s incredibly strong revenue growth is making up for its low margins, enabling it to generate solid gains on the bottom line. But if things change, that may quickly no longer be the case.
Super Micro stock may look cheap, but it’s not worth the risk
In the past 12 months, shares of C3.ai have declined by 14%. Today, the stock trades at a relatively low 19 times its trailing earnings, which may seem like a bargain given that the average stock on the S&P 500 trades at 26 times its earnings.
Super Micro, however, has had accounting issues in the past, with its auditors previously resigning, calling into question the company’s controls and processes. While there haven’t been any big concerns that have popped up since then, it’s still an issue that may continue to weigh on the stock and give investors reason to question the strength of its numbers. And when you add in its low margins and dependence on AI-fueled growth, it leaves you with a stock that contains a bit more risk than it’s worth.