12 Youngest Hedge Fund Billionaires and Their Top Stock Picks

8. David Einhorn (Greenlight Capital)

Billionaire’s Age: 57

Top Pick: Green Brick Partners, Inc. (NYSE:GRBK)

Number of Hedge Fund Holders: 19

Green Brick Partners, Inc. (NYSE:GRBK) is David Einhorn’s largest holding, accounting for 27.51% ($699.26 million) of the billionaire’s total portfolio.

As of February 13, 2026, shares of Green Brick Partners, Inc. (NYSE:GRBK) were up roughly 34% over the previous year and nearly 29% year-to-date, demonstrating growing investor confidence. Despite there being a competitive homebuilding environment, the performance demonstrates consistent execution in high-growth housing markets. This is where disciplined land strategy and resilient demand continue to support sales velocity.

Meanwhile, on January 16, 2026, Green Brick Partners, Inc. (NYSE:GRBK) revealed that several of its master-planned communities were among the best developments in North Texas and the country, a move that adds to this momentum. Both the RCLCO Top 50 Master-Planned Communities and the John Burns Research and Consulting lists for 2025 featured communities like Eastridge and Lakehaven, both of which received repeat recognition. Locally, Green Brick was ranked as the third-largest homebuilder in North Texas by new home closings, and nine of its communities were featured in the Dallas Business Journal’s Top 40 rankings. The awards emphasize land quality, brand strength, and execution that promote long-term growth in Georgia, Florida, and Texas for investors.

Green Brick Partners, Inc. (NYSE:GRBK) is a diversified homebuilder and land developer that focuses on high-growth U.S. markets, using strategic land acquisition and subsidiary builders to deliver scalable, sustainable residential development.