Microsoft at a Crossroads: Hedge Fund Split, Board Refresh, and Regulators Circle

Hedge fund titans Hohn and Ackman split on Microsoft's AI future as UK launches antitrust probe. Board adds risk expert. Revenue up 18% to $82.9B.

The battle lines around Microsoft's stock have never been clearer. Two of the world's most prominent investors are reading the same tea leaves and arriving at opposite conclusions, while the company simultaneously bolsters its board and faces a fresh antitrust probe in London.

Hedge fund heavyweights diverge

Christopher Hohn's TCI Fund has slashed its Microsoft stake from roughly $8 billion to just 1% of its prior position, a near-total exit. Hohn cited rising uncertainty around artificial intelligence, arguing that new tools threaten to disrupt Office and Azure's once-impregnable moats. Bill Ackman takes the other side. Pershing Square disclosed a new holding of 5.65 million shares worth about $2.09 billion at the end of the first quarter of 2026. Ackman sees Microsoft's products as indispensable to corporate clients and views the staggering $190 billion capital expenditure planned for 2026 as growth capital, not a risk. He entered at roughly 21 times expected earnings.

This stark investor divergence frames the broader debate: can Microsoft's AI spending deliver returns that justify the outlay, or will it erode the very dominance that made the company a sure bet?

Board gains risk expertise

On the governance front, Microsoft added Carmine Di Sibio, the former global Chairman and CEO of EY, to its board of directors on Thursday. The appointment expands the board to 13 members. Di Sibio will serve on both the compensation and audit committees—two panels with direct oversight of incentives, financial controls, and risk management.

Satya Nadella noted Di Sibio's decades of experience guiding complex organizations through strategy and global growth. Lead Independent Director Sandra Peterson highlighted his financial acumen and international perspective. The move signals a push for stronger governance at a time when the company's capital commitments and regulatory exposure are both climbing.

Antitrust clouds gather in London

Meanwhile, the UK's Competition and Markets Authority opened a formal investigation on May 14 into whether Microsoft should be granted a "strategic market status" in business software. The probe, due to conclude by February 2027, focuses on the bundling of Windows, Word, Excel, Teams, Copilot, and other products. Regulators want to know whether these packages weaken competitors and how easily third-party AI services can integrate with Microsoft's software.

CMA chief Sarah Cardell described the goal as understanding how these markets are evolving and whether targeted intervention is needed. Microsoft promised swift and constructive cooperation. The UK investigation adds to existing antitrust scrutiny in the EU and the US, where the company faces questions over cloud services, software bundling, and AI partnerships.

Financials strong, but the market is unforgiving

Microsoft's most recent quarterly results gave both bulls and bears ammunition. Revenue rose 18% to $82.9 billion, with earnings per share of $4.27. Microsoft Cloud generated $54.5 billion, up 29%, and Azure and other cloud services grew 40%. Yet Google Cloud has been growing faster, raising comparisons. The AI business is now running at an annualized run rate above $37 billion, a 123% year-over-year surge—precisely the dynamic that fuels the sharp debate over whether these gains are sustainable or built on cost.

Despite the strong numbers, the stock ended Friday at €362.95, up 3.42% on the day, but still down 10.07% year-to-date. Over 12 months the decline is 10.42%. The share remains 22.36% below its 52-week high of €467.45 set in late July 2025, although it has recovered meaningfully from its March lows. Technically, the stock is above its 50-day moving average but still below the 200-day line, suggesting a recovery in progress but a medium-term trend yet to turn.

Analyst optimism and a dividend note

Of 38 analysts covering the stock, the average price target stands at $569.46, implying upside of 34.78%. Hargreaves Lansdown analyst Matt Britzman called the current valuation unjustifiably low. The ex-dividend date is May 21, with a payout of $0.91 per share.

For the stock to break out of its range, Microsoft must demonstrate that its AI bet not only buys growth but also defends its competitive position. The board refresh, hedge fund war, and regulatory headwinds all converge on one question: is the AI boom a tailwind or a trap?