• Home
  • Latest
  • Fortune 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia

Trendingnow

1

Microsoft AI chief gives it 18 months—for all white-collar work to be automated by AI

2

Despite having a $165 million net worth, Scarlett Johansson says work-life balance doesn’t exist—and the first step to success is admitting that

3

The Bezos family just donated $100 million to help achieve one of Mayor Zohran Mamdani’s top campaign promises

1

Microsoft AI chief gives it 18 months—for all white-collar work to be automated by AI

2

Despite having a $165 million net worth, Scarlett Johansson says work-life balance doesn’t exist—and the first step to success is admitting that

3

The Bezos family just donated $100 million to help achieve one of Mayor Zohran Mamdani’s top campaign promises
FinanceWarren Buffett

Has Warren Buffett Blundered on IBM?

By
Stephen Gandel
Stephen Gandel
Down Arrow Button Icon
By
Stephen Gandel
Stephen Gandel
Down Arrow Button Icon
February 29, 2016, 5:40 PM ET
Berkshire Hathaway Inc. Annual Shareholders Meeting
Warren Buffett, Berkshire Hathaway Inc. chairman and chief executive officer, left, talks with Matthew "Matt" K. Rose, chairman, chief executive officer and president of Burlington Northern Santa Fe. Corp., (BNSF), center, and Virginia "Ginni" Rometty, chief executive officer of International Business Machines Corp. (IBM), ahead of the Berkshire Hathaway Inc. annual shareholders meeting in Omaha, Nebraska, U.S., on Saturday, May 2, 2015. More than 40,000 people are expected Saturday at the Berkshire Hathaway annual meeting, which marks Warren Buffett's 50th year running the company. Photographer: Daniel Acker/Bloomberg via Getty ImagesPhotograph by Daniel Acker — Bloomberg via Getty Images

Warren Buffett said on Monday in an interview on CNBC that it’s possible he erred when he bought shares of IBM for his insurance and investment conglomerate. But he doesn’t think so.

Buffett has taken a lot of heat from fellow investors and commentators over his big bet on Big Blue. Nonetheless, Buffett added to Berkshire’s position in IBM (IBM) last year, and said on Monday that he hasn’t sold a share of the stock. In Berkshire’s annual report, which was released on Saturday, Berkshire states in its regulatory filing that it has no plans of disposing of the stock. “We expect that the fair value of our investment in IBM common stock will recover and ultimately exceed our cost,” the report said.

Buffett said on Monday that what he pays for a stock “doesn’t matter.” The market goes up and down in the short-term. But Buffett says the intrinsic value of IBM’s shares is much higher than where the stock is trading now. What matters, Buffett said, is what the stock will be trading for 10 years from now. So, by that math, you won’t be able to evaluate Buffett’s IBM investment until the Oracle turns 95.

But while Buffett wants observers, and most likely his investors, to reserve judgement, there is a way to evaluate the investment aside from merely looking at the current stock price. And, even better, that alternative takes a page from Buffett’s own play book.

Buffett has paid just over $13 billion for his stake in IBM, which accounts for just over 8% of the tech giant. Buffett says he thinks of stock market investments as if he were an owner of the company. Therefore, Buffett considers himself (or, more accurately, Berkshire shareholders) entitled to 8% of IBM’s earnings, even though he can’t actually ask for the money. IBM earned $13.2 billion last year. Berkshire’s share of that would be roughly $1.1 billion. That would constitute an 8% return on Buffett’s overall investment. Not bad, considering where interest rates are these days and the valuations of the stock market.

The picture looks even better if you examine Berkshire’s IBM investment over time. Back in 2011, the first full year Buffett and Berkshire were IBM shareholders, the company had a profit of $15.9 billion. At the time, Buffett had invested nearly $10.9 billion in IBM, giving Berkshire a 5.5% stake in the company, which would translate to $875 million in earnings, giving Berkshire a return of 8%. In 2012, Berkshire purchased another $830 million worth of IBM shares, giving it 0.5% more ownership of the company. That year, IBM earned $16.6 billion. So, according to Buffett’s logic, that would entitle Berkshire to an additional $83 million in earnings. Based on this line of thinking, Berkshire’s investment in IBM had a return of 10% that year. Berkshire’s ownership returns for IBM have gone up from there. Last year, Buffett increased Berkshire’s stake in IBM by $634 million, and its share of IBM’s earnings rose by $79 million, yielding a return of 12%.

Of course, none of this matters if IBM’s shares keep falling. Buffett’s actual investment in IBM has fallen in value by $2.6 billion since 2011. His original stake in IBM generated $725 million in earnings, down from $830 million five years ago. And the tech company is plagued by fears that its huge investment in the cloud and artificial intelligence won’t replace the revenue it is losing in its huge computer services business.

So Buffett’s IBM investment might not work out in the end. But as long as Buffett appears to be buying more and more of IBM’s earnings for less and less, it’s hard to call the investment a blunder.

About the Author
By Stephen Gandel
See full bioRight Arrow Button Icon

Latest in Finance

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025

Most Popular

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Fortune Secondary Logo
Rankings
  • 100 Best Companies
  • Fortune 500
  • Global 500
  • Fortune 500 Europe
  • Most Powerful Women
  • World's Most Admired Companies
  • See All Rankings
  • Lists Calendar
Sections
  • Finance
  • Fortune Crypto
  • Features
  • Leadership
  • Health
  • Commentary
  • Success
  • Retail
  • Mpw
  • Tech
  • Lifestyle
  • CEO Initiative
  • Asia
  • Politics
  • Conferences
  • Europe
  • Newsletters
  • Personal Finance
  • Environment
  • Magazine
  • Education
Customer Support
  • Frequently Asked Questions
  • Customer Service Portal
  • Privacy Policy
  • Terms Of Use
  • Single Issues For Purchase
  • International Print
Commercial Services
  • Advertising
  • Fortune Brand Studio
  • Fortune Analytics
  • Fortune Conferences
  • Business Development
  • Group Subscriptions
About Us
  • About Us
  • Press Center
  • Work At Fortune
  • Terms And Conditions
  • Site Map
  • About Us
  • Press Center
  • Work At Fortune
  • Terms And Conditions
  • Site Map
  • Facebook icon
  • Twitter icon
  • LinkedIn icon
  • Instagram icon
  • Pinterest icon

Latest in Finance

U.S. allows Russia oil sales waiver to expire despite tight market
EnergyOil
U.S. allows Russia oil sales waiver to expire despite tight market
By Jennifer A. Dlouhy and BloombergMay 16, 2026
3 hours ago
Oil markets could be a month away from the moment of truth. Brace for a ‘non-linear’ price spike and panic buying, analysts warn
EnergyOil
Oil markets could be a month away from the moment of truth. Brace for a ‘non-linear’ price spike and panic buying, analysts warn
By Jason MaMay 16, 2026
8 hours ago
lirr
EconomyRailroads
Spring Hamptons traffic nightmare as Long Island Rail Road workers go on strike
By Philip Marcelo, Nick Lichtenberg and The Associated PressMay 16, 2026
12 hours ago
delivery
Retailecommerce
Walmart’s upper hand over Amazon in the $1 trillion e-commerce race: 90% of Americans live within 10 miles of a superstore
By Anne D'Innocenzio and The Associated PressMay 16, 2026
12 hours ago
milei
North AmericaInflation
Argentinians wage inflation strike on red meat sending beef consumption to 20-year low
By Clara Preve and The Associated PressMay 16, 2026
13 hours ago
tom
SuccessEntrepreneurs
Top Chef’s Tom Colicchio got a 15x return on a tech company most Americans have never heard of. He thinks his own industry is broken
By Nick LichtenbergMay 16, 2026
15 hours ago

Most Popular

Microsoft AI chief gives it 18 months—for all white-collar work to be automated by AI
AI
Microsoft AI chief gives it 18 months—for all white-collar work to be automated by AI
By Jake AngeloMay 16, 2026
14 hours ago
Despite having a $165 million net worth, Scarlett Johansson says work-life balance doesn’t exist—and the first step to success is admitting that
Success
Despite having a $165 million net worth, Scarlett Johansson says work-life balance doesn’t exist—and the first step to success is admitting that
By Preston ForeMay 13, 2026
3 days ago
The Bezos family just donated $100 million to help achieve one of Mayor Zohran Mamdani’s top campaign promises
Politics
The Bezos family just donated $100 million to help achieve one of Mayor Zohran Mamdani’s top campaign promises
By Jake AngeloMay 12, 2026
4 days ago
Meet the 20-year-old CEO who launched a company in high school to solve Gen Z's entry-level job crisis
Future of Work
Meet the 20-year-old CEO who launched a company in high school to solve Gen Z's entry-level job crisis
By Jake AngeloMay 16, 2026
18 hours ago
‘You’re not a hero, you’re a liability’: Shark Tank’s Kevin O’Leary warns Gen Z founders to stop glorifying hustle culture
Future of Work
‘You’re not a hero, you’re a liability’: Shark Tank’s Kevin O’Leary warns Gen Z founders to stop glorifying hustle culture
By Jacqueline MunisMay 16, 2026
14 hours ago
Current price of oil as of May 15, 2026
Personal Finance
Current price of oil as of May 15, 2026
By Joseph HostetlerMay 15, 2026
2 days ago

© 2026 Fortune Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.