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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
Feb 25, 2025
by Sean Williams
Billionaire Stephen Mandel Slashed His Stake in 2 Cutting-Edge Artificial Intelligence (AI) Stocks in 2024 and Piled Into a Smoking-Hot High-Yield Dividend Payer Instead
Lone Pine Capital's billionaire chief is cashing in some of his chips in two market-leading tech stocks in favor of a time-tested business with a 3.5% yield.
Feb 24, 2025
by Sean Williams
Billionaire Philippe Laffont Sold 77% of Coatue's Stake in Nvidia in 2024 in Favor of a Polarizing Artificial Intelligence (AI) Stock That's Up 6,700% Since Its IPO
Coatue Management's billionaire chief has been dumping Nvidia stock for a volatile AI infrastructure company that's capable of sustained annual sales growth of 50% (or greater).
Feb 22, 2025
by Sean Williams
Will President Donald Trump Renege on His Social Security Promise With House Republicans Seeking $2 Trillion in Cuts to Mandatory Spending?
The House GOP wants to cut up to $2 trillion in mandatory spending from the federal budget over the next 10 years -- is Social Security on the chopping block?
Feb 21, 2025
by Sean Williams
60% of Warren Buffett's $299 Billion Portfolio at Berkshire Hathaway Is Invested in These 4 Magnificent Stocks
The Oracle of Omaha has $180 billion collectively invested in four brand-name companies with well-defined competitive advantages and phenomenal capital-return programs.
Feb 20, 2025
by Sean Williams
Billionaire Stanley Druckenmiller Dumped Duquesne's Entire Stake in Broadcom and Bought One of Wall Street's Hottest Drug Stocks Hand Over Fist
Duquesne Family Office's billionaire chief shed a trillion-dollar artificial intelligence (AI) stock in favor of a historically cheap drugmaker that's more than doubled in less than two years.
Feb 20, 2025
by Sean Williams
Billionaire Bill Ackman Sold 40% of Pershing Square's Stake in Chipotle Mexican Grill and Is Piling Into a Beloved Consumer Brand That's Risen 67,200% Since Its IPO
One of Wall Street's most-famous activist investors continues to pare back his fund's core position in Chipotle, while rapidly building up his stake in a beaten-down retailer.
Feb 19, 2025
by Sean Williams
Billionaire Ole Andreas Halvorsen Sold Viking Global's Entire Stake in Tesla and Is Piling Into This Potential Stock-Split Stock
Viking Global Investors' billionaire chief kicked Tesla to the curb in the December-ended quarter in favor of an industry-leading company with phenomenal subscription pricing power.
Feb 18, 2025
by Sean Williams
Billionaire Philippe Laffont Sold 80% of Coatue's Stake in Nvidia and Is Piling Into This Critical Artificial Intelligence (AI) Infrastructure Stock Instead
Growth-focused billionaire investor Philippe Laffont has sold Nvidia stock for seven consecutive quarters in favor of a trillion-dollar stock that's foundational to the rise of AI.
Feb 17, 2025
by Sean Williams
Billionaire Warren Buffett Sold 34% of Berkshire's Stake in Bank of America and Is Piling Into a Beloved Consumer Brand That's Soared 7,600% Since Its IPO
The Oracle of Omaha has shed over 352 million shares of Bank of America stock since the midpoint of 2024 in favor of a $1.1 billion stake in a brand-name, consumer-facing businesses.
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