David Einhorn
The Short Seller's Short Seller
Greenlight Capital
David Einhorn started Greenlight Capital in 1996 with $900,000 and built a reputation as one of Wall Street's most feared short sellers. His specialty is deep forensic accounting analysis — finding the numbers that companies hope investors won't notice. His public takedown of Lehman Brothers in May 2008 is legendary: he presented detailed evidence that Lehman was hiding losses and overvaluing assets. Wall Street dismissed him. Four months later, Lehman filed the largest bankruptcy in history. Einhorn is also a serious poker player who finished 18th in the 2006 WSOP Main Event. He donated his winnings to the Michael J. Fox Foundation.
“Question everything. The numbers don't lie — but the people presenting them might. Being early and being wrong look the same until they don't.”
Lehman Brothers short (2007-2008) — public presentation in May 2008
Lehman collapsed in September. Greenlight made hundreds of millions.
Long value / short growth (2017-2020) — wrong side of the tech boom
Greenlight underperformed for years as growth stocks crushed value. Tough stretch for the fund.
“The difference between a value trap and a bargain is that a bargain has a catalyst.”
“Accounting is the language of business. You have to be fluent.”
Born in Demarest, New Jersey
Founds Greenlight Capital with $900K
Publicly shorts Allied Capital — starts 5-year battle
Finishes 18th at WSOP Main Event
Calls out Lehman Brothers — vindicated 4 months later
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