IBM share price slumps more than 20% after Q2 2026 earnings miss — what happened?

IBM shares fell more than 20% in pre-market trading on 14 July 2026 after the technology company warned that its preliminary Q2 2026 results had come in below Wall Street expectations — putting the stock on course for its worst single-day fall since October 1987 (CNBC; Yahoo Finance, 14 July 2026).

The miss landed on one of the busiest mornings of the earnings season, alongside June CPI data and results from five major US banks. Here’s what IBM’s preliminary numbers showed, why the stock fell so sharply, and what the miss might signal as Big Tech reporting gets under way.

Why did the IBM share price fall?

IBM shares fell because the company pre-announced Q2 2026 results that missed analysts’ consensus forecasts on both revenue and earnings. CEO Arvind Krishna acknowledged the shortfall directly, stating: “These conditions require our teams to execute perfectly, and this quarter we faltered” (IBM, 14 July 2026).

The scale of the move — more than 20% pre-market — reflects both the size of the miss relative to expectations and the timing during peak earnings season, when investors are particularly attentive to any signals about enterprise technology spending.

What did the preliminary Q2 2026 results show?

IBM’s preliminary Q2 2026 results showed modest revenue growth overall but weaker profitability, driven by a soft infrastructure segment:

• Revenue: $17.2 billion, up 1% year on year — versus a consensus of approximately $17.86 billion (IBM; CNBC, 14 July 2026)
• Operating (adjusted) EPS: $2.93, up 5% — versus approximately $3.01 expected
• GAAP diluted EPS: $2.27, down 2%
• Software revenue: up 5% — the strongest segment
• Consulting: up 1% at constant currency
• Infrastructure: down 7% — the primary source of the miss

Because these are preliminary numbers, IBM cautioned that final figures could differ slightly. Full Q2 results and an earnings call are scheduled for 22 July 2026 (IBM, 14 July 2026).

Infrastructure revenue fell 7% in Q2 2026 as clients diverted capex toward hardware in the final weeks of June — securing supply-constrained servers and storage ahead of expected price rises, at the expense of IBM’s higher-margin software and infrastructure products. (IBM; CNBC, 14 July 2026)

What caused the miss?

Krishna identified a late-quarter shift in customer spending patterns as the primary cause. In the final weeks of June, clients moved capital expenditure toward servers, storage and memory to secure supply-constrained hardware ahead of expected price rises — at the expense of software and higher-margin infrastructure services (CNBC, 14 July 2026).

The shift was described as narrow rather than broad-based — software and consulting both grew, and the miss was concentrated in the infrastructure segment rather than representing a company-wide deterioration (IBM, 14 July 2026).

Did the miss affect other tech stocks?

IBM’s warning landed early in the Q2 earnings season and weighed on software and consulting peers in pre-market trading:

• ServiceNow: fell approximately 7% pre-market (CNBC, 14 July 2026)
• Salesforce: fell approximately 5%
• Accenture: fell approximately 8%
• Cognizant: fell approximately 7%

IBM is typically among the first large-cap technology names to give a read on the quarter, so its warning attracted attention across the sector. However, an individual company’s results reflect its own circumstances and are not necessarily representative of the wider sector. Alphabet, Microsoft, Meta, Apple and Amazon all report later this month.

See IG’s guide to What’s next for the Magnificent 7 stocks? for context on the broader Big Tech picture.

What comes next?

• IBM full Q2 2026 results: 22 July 2026. Preliminary figures could differ; the full release will include segment detail and management guidance
• Alphabet: 22 July 2026 after US close — the first of the major Big Tech reports
• Microsoft and Meta: 29 July 2026
• Apple and Amazon: 30 July 2026

The season’s central question — whether AI revenue is growing fast enough to justify record capital expenditure — will become clearer across these releases. IBM’s miss was driven by hardware capex timing rather than AI demand directly, which is a distinct dynamic from the AI-spending debate at the cloud giants.

IBM share price drop summed up

• IBM shares fell more than 20% pre-market on 14 July 2026 — worst day since October 1987 (Yahoo Finance, 14 July 2026)
• Preliminary Q2 revenue: $17.2bn vs $17.86bn consensus; operating EPS: $2.93 vs $3.01 expected (IBM; CNBC, 14 July 2026)
• Infrastructure fell 7%; software up 5%; consulting up 1% — miss was narrow not broad-based
• Cause: clients shifted late-June capex toward supply-constrained hardware away from IBM’s software and services
• Software and consulting peers fell 5–8% in sympathy; results from Alphabet, Microsoft and others follow this month
• Full Q2 results due 22 July 2026; preliminary figures may change
• Past performance is not a reliable indicator of future results. Capital at risk.

Frequently asked questions

Past performance is not a reliable indicator of future results.