IBM (International Business Machines)

IBM was the focal point of Berkshire Hathaway’s common stock activities in 2011, representing a $10.9 billion investment (63.9 million shares). This move was historically significant as it marked Warren Buffett's first major foray into the technology sector, a space he had famously avoided for decades.

🏁 Origin & Investment Rationale

In mid-2011, Buffett spent weeks reading IBM’s annual reports and 10-Ks, eventually concluding that the company was not a "technology" company in the traditional sense, but a "services and software" hybrid with immense customer switching costs.

The core of his thesis:

• Customer Stickiness: Once a massive corporation or government integrates IBM's mainframes and software into its infrastructure, the "cost of failure" for switching to a competitor is far higher than the potential savings.
• Service-Led Growth: IBM’s workforce of consultants and engineers acted as a global outsourced IT department for the Fortune 500.
• Share Repurchases: IBM had a aggressive and rational policy of buying back its own shares, which Buffett viewed as a "partner" in growing his own percentage of the company without spending more capital.

🚀 Strategic Importance

For Berkshire, IBM was a "Big Four" pillar (alongside Wells Fargo, Coca-Cola, and American Express). It signaled an expansion of Buffett’s Circle of Competence—he realized that certain mature tech franchises exhibited the same "bridge" or "toll-booth" characteristics as his favored consumer brands and insurance companies.

📈 Operational Milestones

• 2011: Berkshire builds a 5.5% stake. The investment is disclosed in November 2011 on CNBC.
• The "Roadmap": Buffett focused on IBM’s "2015 Roadmap," which projected operating earnings of at least $20 per share. He trusted the management's ability to capital-allocate toward that goal.
• Performance: Initially, IBM was a steady earner, but over the subsequent years (2012-2017), the company struggled with a transition to cloud computing. Buffett eventually exited the position in 2017/2018, admitting that he had misjudged the competitive dynamics of the cloud vs. traditional services.

🔗 Connections

• Source: 2011 Letter, 2011 Meeting
• People: Warren Buffett, Charlie Munger, Sam Palmisano (IBM CEO at the time)
• Concepts: Circle of Competence, Moat, Share Repurchases, The Institutional Imperative

[!IMPORTANT] IBM remains a critical case study in Buffett's career: it showed both his willingness to update his views on "technology" and the dangers of relying on historical "stickiness" in a rapidly disrupted industry.