Seth Klarman

Seth Andrew Klarman is an American billionaire investor, hedge fund manager, and author. He is a proponent of value investing. He is the chief executive and portfolio manager of the Baupost Group, a Boston-based private investment partnership he founded in 1982. He's now an activist manager with over $30 billion in assets.

Explore Seth Klarman's largest investments on Profit.com, including companies like Amazon.com Inc, Restaurant Brands International Inc, and WESCO International Inc, and their significance in his portfolio.

Seth Klarman’s portfolio updates are typically published quarterly through SEC 13F filings, which provide detailed information about their holdings, including recent buys and sells. Additionally, real-time updates on insider trades are available through Form 4 filings, offering a more timely view of their trading activity.

Seth Klarman currently invests in companies such as Amazon.com Inc, Restaurant Brands International Inc, and WESCO International Inc, focusing on sectors like Consumer Cyclical and Industrials.

The largest holding in Seth Klarman’s portfolio is Amazon.com Inc, accounting for 12.70% of their total investments.

One of Seth Klarman’s most profitable investments is Alphabet Inc Class C, which has generated a return of 74.77% over the past year.

As of 20 Jun 2026, Seth Klarman’s portfolio is valued at approximately $5.12B, based on the latest filings available on Profit.com.

Yes, you can use Profit.com to follow Seth Klarman’s portfolio and gain insights to build your own investment portfolio.

You can follow Seth Klarman’s portfolio updates on Profit.com, which provides notifications on the latest portfolio transactions as soon as they’re available.

Stay up-to-date with Seth Klarman’s latest trades by following their portfolio on Profit.com. Enable notifications to receive real-time alerts on their newest buy and sell transactions.