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 Willis Towers Watson Public Limited Company, Alphabet Inc Class C, 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 Willis Towers Watson Public Limited Company, Alphabet Inc Class C, and WESCO International Inc, focusing on sectors like Communication Services and Technology.

The largest holding in Seth Klarman’s portfolio is Willis Towers Watson Public Limited Company, accounting for 14.75% of their total investments.

One of Seth Klarman’s most profitable investments is GDS Holdings Ltd, which has generated a return of 113.98% over the past year.

As of 18 Jun 2025, Seth Klarman’s portfolio is valued at approximately $3.5B, 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.