Thomas Gayner

The Co-CEO and Chief Investment Officer of Markel Corporation, known for his value investing philosophy and his long-term approach to investing in high-quality businesses.

Explore Thomas Gayner's largest investments on Profit.com, including companies like Alphabet Inc Class C, Berkshire Hathaway Inc, and Berkshire Hathaway Inc, and their significance in his portfolio.

Thomas Gayner’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.

Thomas Gayner currently invests in companies such as Alphabet Inc Class C, Berkshire Hathaway Inc, and Berkshire Hathaway Inc, focusing on sectors like Financial Services and Industrials.

The largest holding in Thomas Gayner’s portfolio is Alphabet Inc Class C, accounting for 6.88% of their total investments.

One of Thomas Gayner’s most profitable investments is Comfort Systems USA Inc, which has generated a return of 141.98% over the past year.

As of 06 Apr 2026, Thomas Gayner’s portfolio is valued at approximately $12.54B, based on the latest filings available on Profit.com.

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

You can follow Thomas Gayner’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 Thomas Gayner’s latest trades by following their portfolio on Profit.com. Enable notifications to receive real-time alerts on their newest buy and sell transactions.