Challenges Faced by David Einhorn (hedge fund manager): Obstacles and Turning Points

By Popular Timelines Editorial Team · Updated: May 14, 2025

Resilience and perseverance in the journey of David Einhorn (hedge fund manager). A timeline of obstacles and growth.

David Einhorn is an American hedge fund manager, investor, and amateur poker player. He is the founder and president of Greenlight Capital, a value-oriented hedge fund employing long-short strategies. Einhorn is known for his value investing approach and public short positions, often taking activist stances against companies he believes are overvalued or poorly managed. His investment strategies and market commentary are closely followed in the financial world.

Sections (4)

Full Timeline Early Life & Education Career & Achievements Challenges & Struggles

July 2007: Shorted Lehman Brothers Stock

In July 2007, Einhorn shorted Lehman Brothers stock due to concerns about their exposure to illiquid real estate investments and accounting practices.

November 2007: Shared Lehman Thesis at Value Investing Congress

In November 2007, Einhorn shared his thesis on Lehman Brothers at the Value Investing Congress.

March 2008: Bear Stearns Bailout

In March 2008, after Bear Stearns had to be bailed out by the Federal Reserve, Lehman was widely considered to be in a weak financial situation.

September 2008: Lehman Declares Bankruptcy

Lehman Brothers declared bankruptcy in September 2008.

March 2009: Green Mountain Share Price Increase

Prior to October 17, 2011, Green Mountain's share price had increased more than tenfold since March 2009.

September 1, 2011: Negotiations Ended to Buy Mets Minority Ownership

On September 1, 2011, the New York Mets announced that they had ended negotiations to sell minority ownership to Einhorn.

October 17, 2011: Announced Short Position in Green Mountain Coffee Roasters

Speaking at the Value Investing Congress in New York City on October 17, 2011, Einhorn publicly announced his short position in Green Mountain Coffee Roasters stock, citing concerns about the Keurig single-cup coffee brewer and K-Cup coffee pods.

November 9, 2011: Green Mountain Stock Price Plunges

On November 9, 2011, Green Mountain's quarterly report missed analyst expectations, and its stock price plunged to $43.71.

January 2012: Fined by U.K. Financial Services Authority

In January 2012, the U.K. Financial Services Authority (FSA) fined Einhorn and Greenlight Capital $11.2 million for trading on inside information related to Punch Taverns Plc (PUB).

Nov 2014: Green mountain Share price run up to 157

Green mountain stock had a run up to 157 in Nov 2014.

2014: Assets Under Management Decline

In 2014, Greenlight Capital's assets under management were approximately US$12 billion.

May 4, 2015: Criticized Oil and Gas Companies

On May 4, 2015, at the Sohn Investment Conference, Einhorn criticized unprofitable oil and gas companies and announced short positions on Pioneer Natural Resources and Concho Resources.

2017: Fund Performance Decline

By the end of 2017, Greenlight Capital's fund was down 11.3% from 2014.

July 2018: Greenlight Capital Assets Reported

In July 2018, Greenlight Capital's assets under management were reported to be about $5.5 billion, after a further 34% decrease in 2018.

May 2024: Fishback Sues Greenlight for Defamation

In May 2024, former Greenlight Capital employee, James Fishback, sued Greenlight for defamation over his job title, claiming he worked as "head of macro" at the firm, a position Greenlight denies existed.