Is IBM Stock a Buy After Hitting a Quantum Computing Milestone?

TLDR

• IBM reached a key quantum computing milestone by joining and cooling two cryogenic modules to below 15 millikelvin, supporting its 2029 Quantum Starling roadmap.
• IBM unveiled a dual-architecture mainframe processor at Hot Chips, built on 2nm technology, designed to run both IBM and Arm operating systems.
• IBM stock closed at $235.68 on Aug. 21, down 21% year-to-date and 30% below its 52-week high of $332.46.
• Q2 2026 revenue rose just 1% to $17.2 billion, with IBM Z mainframe revenue plunging 42%, while IBM cut its full-year revenue growth outlook.
• IBM holds a consensus “Moderate Buy” rating with an average analyst price target of $251.87, implying 8.4% upside.

IBM stock is trading at $235.68, down over 21% year-to-date, even as the company rolls out back-to-back technical announcements that have caught the market’s attention.

International Business Machines Corporation, IBM

On Aug. 19, IBM announced it successfully joined and cooled two modular cryogenic systems into a single ultra-cold environment, hitting temperatures below 15 millikelvin. The architecture is built to eventually connect hundreds of quantum chips, which is one of the core engineering challenges in scaling quantum computing.

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