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Yet in the US$32 billion industry for financial data, Bloomberg is the dominant player, with a third of the market. Its position has become even more entrenched over the past ten years, as those around it have lost market share.
Marc Rubinstein • Disrupting Bloomberg
In data and analytics, Bloomberg is being challenged by a raft of start-ups. Some of them target smaller investors like me who baulk at paying Bloomberg’s US$24,000 subscription fee. Others target bigger customers who want to go deeper into more specialised data than Bloomberg supports. I use two alternatives—Koyfin and Sentieo.
Marc Rubinstein • Disrupting Bloomberg


Fourteen years ago, David Tepper went on Squawk Box and shared how he made $7bn in a single year and laid out his worldview and a strategy that worked for the coming decade.
Last week, almost fourteen years to the day, David returned to Squawk Box to discuss China, stimulus, AI, and more. He starts by discussing whether... See more
Symphony’s challenge currently is squeezing revenue out of its customers. It overtook Bloomberg’s 332,000 user count in 2018. But it charges US$24,000 for up to 100 seats, rather than the US$24,000 Bloomberg charges for one. Also, its network tends to be more internal than Bloomberg’s, with as many banks on it but fewer of their clients. Last year ... See more
Marc Rubinstein • Disrupting Bloomberg
Bloomberg fits the Christensen incumbent model not just because it exceeds the needs of some customers but also because it ignores the needs of others.
Marc Rubinstein • Disrupting Bloomberg
The Bloomberg-as-social-network analysis is a useful one because without it, it’s hard to see how Bloomberg has survived:
Marc Rubinstein • Disrupting Bloomberg
But Bloomberg’s a tough device to dislodge. It retains prime real estate on its users’ desks and it’s a social network and it’s a luxury good. In combination, these features have lent it immunity to Christensen’s disruption theory. Slack may be an easier challenge.
Marc Rubinstein • Disrupting Bloomberg

Berkshire Hathaway Inc. Annual Report 2024
An annual shareholder letter from Warren Buffett discusses Berkshire Hathaway's performance, investment strategy, management perspectives, company developments, mistakes, and updates on key businesses, emphasizing a long-term approach to capital allocation and growth.
berkshirehathaway.com