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Sean Williams
TMFUltraLong
A Fool since 2010, and a graduate from UC San Diego with a B.A. in Economics, Sean specializes in the healthcare sector and investment planning. You'll often find him writing about Obamacare, marijuana, drug and device development, Social Security, taxes, retirement issues and general macroeconomic topics of interest.
Recent Articles by Sean Williams

Mar 11, 2025
by Sean Williams
Meet the Hypergrowth Stock Up 1,500% Since Its IPO That 3 Prominent Billionaire Money Managers Have as Their No. 1 Holding
Billionaire fund managers Chase Coleman, Stephen Mandel, and Terry Smith share one common trait: a love affair with with an industry-leading artificial intelligence (AI) stock.

Mar 10, 2025
by Sean Williams
Warren Buffett Isn't Buying His Favorite Stock, but He's Been Scooping Up Shares of 3 Value Stocks Since 2025 Began
Despite spending a cumulative $78 billion buying shares of his favorite stock since mid-2018, the Oracle of Omaha's attention is currently with three other holdings.
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