- Microsoft shareholders accuse the company of hiding risks from AI spending
- Azure growth slowed as AI infrastructure requires consumed computing resources
- Investors argue that key business challenges were not fully disclosed
Microsoft is facing a class action lawsuit from shareholders who say the company failed to properly disclose the financial impact of its AI spending.
The complaint alleges that investors only got part of the picture, leaving out key details about consumption requirements, cloud infrastructure limits and the broader challenges associated with Microsoft’s AI push.
The proposed class period runs from May 1, 2025 to January 28, 2026, a stretch in which Microsoft shares hit record highs before sliding back down.
The lawsuit, filed by The Rosen Law Firm on behalf of investors, alleges that Microsoft made misleading statements or simply omitted information material to the company’s business operations.
According to the filing, company executives talked up Copilot’s performance and the broader AI push while downplaying concerns about cost and operational burden.
Court documents say Microsoft described Copilot as offering industry-leading capabilities and strong adoption, language that helped keep investor confidence steady at the time.
The complaint goes on to allege that Microsoft never fully disclosed issues with user experience, interoperability, computing resources, internal organization and data management.
Shareholders also claim that Microsoft’s LLMs were falling behind certain competitors, requiring additional resources and development work just to keep up.
According to the lawsuit, a meaningful portion of computing capacity was pulled away from other revenue-generating services and redirected toward Copilot and AI research instead.
By fiscal 2025, Azure revenue had grown 34% to more than $75 billion, and Microsoft kept telling investors that future growth would continue to be driven by Azure.
Azure slowdown and rising costs draw investor scrutiny
Things came to a head after Microsoft’s earnings for the second quarter of 2026, covering the period up to December 31.
The report says Azure growth slowed unexpectedly and fell short of what analysts had expected, raising new questions about the company’s infrastructure strategy.
During the earnings call, CFO Amy Hood reportedly attributed the slowdown largely to computing capacity limitations.
The complaint alleges that processor and graphics resources had been pulled against Copilot and other AI models without much to show for it.
At the same time, Microsoft disclosed capital spending of $37.5 billion for the quarter, pushing 2026 spending to $72.4 billion in just six months.
That figure was already approaching the $88.2 billion that Microsoft spent in the entire 2025 fiscal year, according to the lawsuit.
After those revelations, shares fell more than $48 to $433.50, then continued to slide to $393 and finally $380.
At the time the complaint was reported, Microsoft stock was trading around $399.76.
Microsoft executives, for their part, insist the company is doing everything it can to improve its AI tools and products.
Over the past year, Microsoft says it has rolled out 625 new features, calling the product “very different than it was 90 days ago” as part of an effort to “improve the product rapidly.”
Microsoft told Pakinomist the allegations are “without merit” and said that they “stand by the integrity of his public statements.”
Via DataCenterDynamics
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