Microsoft shares slip as software sector faces AI margin fears
Investor concerns over artificial intelligence infrastructure costs overshadow operational wins in a volatile Q1 2026

Microsoft Corporation shares retreated alongside a broader sell-off in the software sector during the first quarter of 2026. The downturn was highlighted in the latest investor letter from Aristotle Capital Management, which identified the technology giant as the biggest detractor for its Value Equity Fund over the period. While the broader U.S. equity market fell by 4.33 per cent, with the S&P 500 Index mirroring this decline, the specific pressure on Microsoft was attributed to investor anxiety regarding artificial intelligence disruption.
The fund manager noted that elevated investment in AI infrastructure was weighing on near-term margins and returns, creating a headwind for the stock price. As of 5 May 2026, Microsoft shares closed at $411.38, reflecting a loss of 4.30 per cent over the past 52 weeks. This performance contrasted with the value style, which outperformed growth styles in the first quarter, as the macroeconomic environment remained characterised by persistent inflationary pressures and geopolitical volatility.
Despite the market headwinds, the company reported robust operational fundamentals that suggest the sell-off may be overblown. Azure revenue surged by 39 per cent year on year, driven by customer demand that continues to exceed available cloud platform capacity. The firm also reported strong free cash flow, which supports continued investment at scale and underpins its integrated ecosystem of software and enterprise services.
Aristotle Capital Management pointed to increasing evidence of real-world adoption as a key strength, noting that tools like Microsoft 365 Copilot and GitHub Copilot are embedding directly into enterprise systems of record. By connecting AI to emails, documents, and workflows, the company is deepening its integration into how organisations operate, a trend the fund views as a positive long-term driver despite short-term valuation concerns.
The investment landscape remains complex, with Microsoft ranking second among the forty most popular stocks held by hedge funds. Data shows that 312 portfolios held the stock at the end of the fourth quarter, a figure unchanged from the previous period. While the fund acknowledges the potential of the stock, it maintains that certain other AI opportunities currently offer greater upside potential with less downside risk.
Looking ahead, the fund remains positive on Microsoft's long-term prospects, citing its uniquely integrated ecosystem as a defensive moat. The firm believes the recent uncertainty around the future of software is overstated, particularly given the robust cash generation that allows for strategic deployment. With the ongoing migration of enterprise workloads to the cloud, the expectation is that artificial intelligence will further enhance the value of the platform over time.


