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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

Jun 1, 2025
by Sean Williams
President Donald Trump's Policy Is Set to Impact the Social Security Checks of Roughly 2,000,000 Beneficiaries -- Are You One of Them?
Modest to meaningful Social Security payout reductions are on the way for approximately 2 million retired workers, survivor beneficiaries, and workers with disabilities.

May 29, 2025
by Sean Williams
Billionaires Philippe Laffont, Chase Coleman, Terry Smith, and Stephen Mandel All Share the Same No. 1 Holding -- and It's Not Nvidia
This "Magnificent" stock that all four prominent billionaires have as their top holding has surged 1,570% since its initial public offering.

May 29, 2025
by Sean Williams
The Top Holding for CalPERS, America's Largest Public Pension Fund, Is the Closest Thing You'll Find to a Guaranteed Investment on Wall Street
The No. 1 position for the California Public Employees' Retirement System (CalPERS) hasn't lost money on a rolling 20-year basis dating back more than a century.

May 28, 2025
by Sean Williams
Billionaire Stanley Druckenmiller Just Sold One of Wall Street's Hottest Stock-Split Stocks and Is Piling Into a Promising Drugmaker Instead
Duquesne Family Office's chief dumped his entire stake in one of Wall Street's premier stock-split stocks and has continued to load up on a super-cheap drug company for a third straight quarter.

May 27, 2025
by Sean Williams
Billionaire Ole Andreas Halvorsen Just Bought Nvidia, Tesla, and Meta Platforms, but Dumped His Entire Stake in the Cheapest "Magnificent Seven" Stock
Viking Global Investors' billionaire chief sold the most fundamentally attractive member of the Magnificent Seven in favor of a trio of foundational artificial intelligence (AI) stocks.
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