Melius upgrades Microsoft to Buy with $665 price target

By Splitfeed EditorialLast updated Oct 6, 2026, 14:30 UTC

On October 5, 2026, Melius Research upgraded Microsoft stock to Buy and attached a price target of $665, framing the move around growing enterprise demand for AI security. The firm characterized Microsoft as the "adults in charge" of AI, arguing that widespread anxiety about AI-related risks pushes businesses toward large, established cloud and security providers. Microsoft shares rose roughly 2% on the day of the announcement, while peers Amazon and Alphabet remained flat. A separate bull-case analysis circulating alongside the upgrade placed a ceiling of $1,145 on Microsoft shares, well above the base target Melius set.

The upgrade matters because it ties analyst sentiment on Microsoft directly to a specific structural argument about AI adoption, not just product growth. The thesis is that fear of AI security failures is itself a commercial tailwind for incumbents with the scale and reputation to absorb enterprise risk concerns. That is a notably different framing from earlier AI-era upgrades, which tended to focus on revenue from AI products like Copilot. Whether enterprise anxiety actually converts into durable spending at Microsoft, rather than spreading across multiple vendors or prompting customers to slow AI adoption entirely, is the genuine open question the upgrade does not resolve. The gap between the $665 base target and the $1,145 bull case also signals meaningful uncertainty about how much of this demand materializes and on what timeline.

None of the three camps, Pro-AI, Anti-AI, or Middle Ground, have published direct reactions to this story. Pro-AI voices would typically welcome the upgrade as validation that AI investment is producing real enterprise value and that the largest AI players are consolidating their advantages. Anti-AI commentators would likely argue that framing security fears as a revenue opportunity for the companies most responsible for deploying AI at scale raises its own accountability questions. A middle-ground position would probably acknowledge that Microsoft benefits from incumbency advantages while cautioning that a $665 price target built on a demand trend that is still emerging carries execution risk.

The argument Melius is making will be tested against Microsoft's next earnings report, where enterprise cloud and security segment figures will indicate whether AI security anxiety is translating into actual contract growth or remains an analyst thesis ahead of the numbers.