International Business Machines Corp
Q4 2025 Earnings
Market Reaction
S&P 500 over the same 30 days: −1.98%.
Did IBM Beat Earnings? Q4 2025 Results
IBM closed out 2025 with a standout fourth quarter, beating Wall Street expectations on both the top and bottom lines as robust demand for software and mainframe infrastructure drove broad-based growth. The company posted Q4 earnings per share of $4.52, clearing the $4.29 consensus estimate by 5.36%, while revenue climbed 12.2% year over year to $19.69 billion, ahead of the $19.19 billion analysts had anticipated. The single most compelling driver behind the outperformance was a 67% surge in IBM Z mainframe revenue, which powered the Infrastructure segment to 21% growth and underscored the durability of IBM's hardware refresh cycle. Software was equally impressive, with Data products up 22% and Automation up 18%, while IBM's generative AI book of business crossed $12.50 billion on an inception-to-date basis, signaling meaningful commercial traction. Operating gross margin expanded 120 basis points to 61.8%, and full-year free cash flow reached $14.73 billion. Looking ahead, IBM expects constant currency revenue growth of more than 5% in 2026, with free cash flow increasing by roughly $1.00 billion year over year.
- Double-digit Software revenue growth led by Data (up 22%) and Automation (up 18%)
- IBM Z mainframe revenue surged 67% driven by next-generation platform adoption
- Operating gross profit margin expanded 120 basis points to 61.8%
- Generative AI book of business exceeded $12.5 billion
- Portfolio mix shift toward higher-margin Software and Infrastructure
“In the fourth quarter, we delivered strong revenue growth, with double-digit Software performance. Additionally, Infrastructure continued its double-digit revenue growth with the robust adoption of the next generation of our mainframe platform. Our generative AI book of business now stands at more than $12.5 billion. This capped a strong 2025 for IBM where we exceeded expectations for revenue, profit and free cash flow. We enter 2026 with momentum and in a position of strength, giving us confidence in our full-year expectations of more than 5 percent constant currency revenue growth and an increase of about $1 billion in year-over-year free cash flow.”
IBM CEO, on the earnings call
Forward Guidance & Outlook
For full-year 2026, IBM expects constant currency revenue growth of more than 5%, with currency expected to be about a half-point tailwind to growth at current foreign exchange rates. The company expects full-year free cash flow to increase by about $1 billion year-over-year.
IBM YoY Financials
IBM Revenue by Segment
Figures from SEC filings and company reports. Not investment advice.