What drove IBM's revenue growth and margin expansion in Q2 2025?

Growth was led by Software (up 10%, with Red Hat up 16% and Automation up 16%) and Infrastructure (up 14%, with IBM Z up 70%). Margin expansion reflected revenue growth, a favorable portfolio mix toward higher-margin software and infrastructure, and ongoing productivity initiatives. Consulting remained weak, growing only 3% and flat at constant currency, while Distributed Infrastructure declined 15%.

Did IBM change its 2025 guidance?

Yes, in part. IBM raised its free cash flow expectation to more than $13.5 billion for the full year. It maintained its outlook for constant-currency revenue growth of at least 5%, and it expects currency to be about a 1.5-point tailwind to reported growth at current exchange rates.

How is IBM's balance sheet and leverage changing?

Total debt rose to $64.2 billion, up $9.2 billion year-to-date, including $11.7 billion of IBM Financing debt. Short-term debt increased to $8.9 billion and long-term debt to $55.2 billion. Goodwill and intangibles grew significantly, reflecting acquisitions. Cash, restricted cash and marketable securities totaled $15.5 billion, up $0.7 billion from year-end 2024.

What is the generative AI book of business and why does it matter?

Management reported that IBM's generative AI book of business now exceeds $7.5 billion, and described it as accelerating. The metric is calculated as cumulative Software transactional revenue plus new SaaS annual contract value and specific Consulting signings. Roughly one-fifth comes from Software and four-fifths from Consulting. It is a performance indicator, not a measure of current or future reported revenue.

Are the non-GAAP measures in this release comparable to GAAP, and what should investors watch?

IBM's operating (non-GAAP) results exclude acquisition-related charges and intangible amortization, retirement-related costs and certain tax-reform impacts. Free cash flow is defined as operating cash flow excluding changes in IBM Financing receivables, less net capital expenditures, and is presented alongside a measure that excludes Financing receivables. Investors should review the GAAP reconciliations in Exhibit 99.1 and note that the Financing business's receivables changes can materially affect reported operating cash flow.

IBM 8-K: Earnings & Results

01—Abstract

Summary

Summary of the 8-K filed July 23, 2025. Cited figures are marked; the original filing is the authoritative source.

IBM reported second-quarter 2025 results that beat management's expectations on revenue, profit and free cash flow.

Revenue rose 8% to $17.0 billion^a (up 5% at constant currency), led by Software (+10%) and Infrastructure (+14%, driven by a strong IBM Z cycle), while Consulting grew 3% (flat at constant currency). The most notable feature was margin expansion: GAAP gross margin reached 58.8% (up 200 bps) and operating (non-GAAP) gross margin 60.1% (up 230 bps). GAAP diluted EPS was $2.31 (up 18%) and operating EPS was $2.80 (up 15%).

Year-to-date free cash flow was $4.8 billion^b, and management raised its full-year 2025 free cash flow outlook to more than $13.5 billion, while keeping constant-currency revenue growth guidance of at least 5%. Balance sheet and cash flow details warrant attention. Total debt rose $9.2 billion year-to-date to $64.2 billion, driven by acquisitions: Q2 acquisitions and year-to-date acquisition outflows were $7.8 billion, and goodwill and intangibles increased substantially.

Year-to-date operating cash flow was $6.1 billion^c, down slightly year over year, and net cash from operations excluding IBM Financing receivables was $5.5 billion. The board also approved a regular quarterly dividend of $1.68 per share, payable September 10, 2025, extending IBM's record of consecutive annual dividends to 1916. For investors, the quarter shows strong margin execution and healthy software and infrastructure momentum, offset by a slower consulting business and rising leverage tied to acquisitions.

Management's raised free cash flow outlook and the reported generative AI book of business of more than $7.5 billion^d support the growth narrative. Note that this 8-K furnishes the earnings release under Item 2.02, so the information is not deemed filed under Section 18 of the Exchange Act.

02—Key points

Key Highlights

Revenue of $17.0B, up 8% (5% at constant currency); Software up 10%, Infrastructure up 14% (IBM Z up 70%), Consulting up 3% (flat at constant currency).
Significant margin expansion: GAAP gross margin 58.8% (+200 bps) and operating gross margin 60.1% (+230 bps); GAAP pre-tax margin 15.3% (+120 bps).
GAAP diluted EPS of $2.31 (up 18%) and operating (non-GAAP) EPS of $2.80 (up 15%).
Raised full-year 2025 free cash flow outlook to more than $13.5B; constant-currency revenue growth guidance of at least 5% maintained.
Year-to-date free cash flow of $4.8B (up $0.3B), though operating cash flow of $6.1B was slightly lower year over year.
Total debt increased $9.2B year-to-date to $64.2B, with acquisition spending of $7.8B year-to-date, and goodwill rose to $67.5B from $60.7B at year-end 2024.
Board approved a regular quarterly dividend of $1.68 per share, payable September 10, 2025; IBM has paid consecutive quarterly dividends since 1916.

03—Questions

Frequently Asked Questions

What drove IBM's revenue growth and margin expansion in Q2 2025?
Growth was led by Software (up 10%, with Red Hat up 16% and Automation up 16%) and Infrastructure (up 14%, with IBM Z up 70%). Margin expansion reflected revenue growth, a favorable portfolio mix toward higher-margin software and infrastructure, and ongoing productivity initiatives. Consulting remained weak, growing only 3% and flat at constant currency, while Distributed Infrastructure declined 15%.
Did IBM change its 2025 guidance?
Yes, in part. IBM raised its free cash flow expectation to more than $13.5 billion for the full year. It maintained its outlook for constant-currency revenue growth of at least 5%, and it expects currency to be about a 1.5-point tailwind to reported growth at current exchange rates.
How is IBM's balance sheet and leverage changing?
Total debt rose to $64.2 billion, up $9.2 billion year-to-date, including $11.7 billion of IBM Financing debt. Short-term debt increased to $8.9 billion and long-term debt to $55.2 billion. Goodwill and intangibles grew significantly, reflecting acquisitions. Cash, restricted cash and marketable securities totaled $15.5 billion, up $0.7 billion from year-end 2024.
What is the generative AI book of business and why does it matter?
Management reported that IBM's generative AI book of business now exceeds $7.5 billion, and described it as accelerating. The metric is calculated as cumulative Software transactional revenue plus new SaaS annual contract value and specific Consulting signings. Roughly one-fifth comes from Software and four-fifths from Consulting. It is a performance indicator, not a measure of current or future reported revenue.
Are the non-GAAP measures in this release comparable to GAAP, and what should investors watch?
IBM's operating (non-GAAP) results exclude acquisition-related charges and intangible amortization, retirement-related costs and certain tax-reform impacts. Free cash flow is defined as operating cash flow excluding changes in IBM Financing receivables, less net capital expenditures, and is presented alongside a measure that excludes Financing receivables. Investors should review the GAAP reconciliations in Exhibit 99.1 and note that the Financing business's receivables changes can materially affect reported operating cash flow.

04—Continue

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