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David Einhorn
Explore David Einhorn’s investment strategy, from deep fundamental analysis to contrarian investing and short-selling. Learn how the Greenlight Capital founder identifies undervalued stocks and bets against overhyped companies, including his famous short on Lehman Brothers. Plus, see his last reported portfolio.

His Philosophy And Investment Approach
David Einhorn is a hedge fund manager, Value Investor, and short-seller, best known for his contrarian investment style and deep fundamental analysis. As the founder of Greenlight Capital, Einhorn has built a reputation for identifying both undervalued stocks for long positions and overhyped, fundamentally weak companies for short positions.
Unlike traditional Value Investors who focus solely on buying great companies at low prices, Einhorn actively bets against companies he believes are flawed or overvalued, making him one of the most recognized short-sellers in the investing world. His most famous short bet was against Lehman Brothers before the 2008 financial crisis, where he predicted the bank’s collapse and profited significantly.
Key Principles of David Einhorn’s Investment Strategy:
Contrarian Investing – Going Against the Crowd
Einhorn believes that the best investment opportunities come from being contrarian—looking for mispricings the market has overlooked.He often invests in stocks that are out of favor with Wall Street.
He takes short positions in companies that the market loves but are fundamentally flawed.
He is not afraid to challenge mainstream market narratives with deep research.
Deep Fundamental Research
Einhorn’s investment decisions are based on rigorous analysis of financial statements, business models, and industry trends.He looks for undervalued companies that have strong fundamentals but are misunderstood by the market.
He short-sells overhyped companies that have poor accounting practices, unsustainable business models, or weak financials.
His ability to detect financial manipulation and misleading accounting has given him an edge in the market.
Long Positions – Finding Undervalued Gems
Einhorn seeks companies with strong balance sheets, predictable cash flows, and durable competitive advantages.
He prefers businesses that are ignored or underappreciated by the market, betting that their true value will be recognized over time.
Short Selling – Betting Against Fraud and Overvaluation
Einhorn is one of the most famous short-sellers in the world, using deep research to identify companies that are either overhyped or engaging in questionable financial practices.His most famous short was Lehman Brothers (2007-2008)—he predicted the company’s collapse due to its high-risk exposure and misleading financials.
He has publicly shorted Tesla (TSLA), Green Mountain Coffee, and Allied Capital, often engaging in public battles over his findings.
His detailed presentations exposing fundamental flaws in companies have gained widespread attention in the investing world.
Risk Management and Downside Protection
Einhorn believes in preserving capital first—his fund has historically used hedging strategies to protect against market downturns.
He balances his long positions with shorts, ensuring he can profit in both bull and bear markets.
Not Afraid to Challenge Wall Street Giants
Einhorn has openly criticized corporate governance failures, aggressive accounting practices, and overhyped business models.
His outspoken nature and willingness to go against large institutions have made him a controversial but respected figure.
Notable Investments and Short Sales
Famous Long Positions (Winning Bets):
Apple (AAPL): Invested in Apple when it was undervalued, benefiting from the company's massive growth.
General Motors (GM): A deep-value investment with strong fundamentals.
Famous Short Positions (Biggest Bets Against Companies):
Lehman Brothers (2008): One of the most famous shorts in history—he exposed the bank’s risky leverage and financial manipulation before its collapse.
Green Mountain Coffee: Raised concerns about the company’s accounting practices, eventually leading to a stock decline.
Tesla (TSLA): Has been a vocal critic of Tesla’s valuation, though his short position has been controversial.
What Makes David Einhorn Unique?
One of the Best Short-Sellers: His ability to spot financial fraud, misleading accounting, and overhyped businesses sets him apart.
Contrarian Thinker: He goes against mainstream market narratives, betting on undervalued opportunities and overvalued bubbles.
Deep Fundamental Analysis: Unlike many traders, Einhorn relies on detailed financial research and forensic accounting.
Hedge Fund Manager with a Strong Track Record: Greenlight Capital has had years of outperformance, despite challenges in recent years.
David Einhorn’s blend of long-term Value Investing and aggressive short-selling makes him one of the most unique and fearless investors of his generation. His contrarian mindset, deep research, and risk management strategies continue to shape his investment success.
Portfolio
As of 30th September 2024
Stock | Size | Value |
---|---|---|
GRBK - Green Brick Partners | 32.91% | $790,716,000 |
CNR - Core Natural Resources Inc. | 7.15% | $171,705,000 |
BHF - Brighthouse Financial Inc. | 5.42% | $130,229,000 |
HPQ - HP Inc. | 5.27% | $126,653,000 |
KD - Kyndryl Holdings Inc | 4.71% | $113,161,000 |
PENN - Penn National Gaming Inc. | 4.41% | $106,008,000 |
LBTYA - Liberty Global Ltd CL A | 3.74% | $89,778,000 |
ALIT - Alight Inc. | 3.65% | $87,662,000 |
VTRS - Viatris Inc. | 3.51% | $84,410,000 |
CNH - CNH Industrial NV | 3.28% | $78,775,000 |
ROIV - Roivant Sciences Ltd | 2.55% | $61,254,000 |
TECK - Teck Resources | 2.36% | $56,767,000 |
GLD - SPDR - Gold Trust | 2.11% | $50,722,000 |
DHT - DHT Holdings Inc. | 1.99% | $47,906,000 |
THC - Tenet Healthcare Corp. | 1.99% | $47,716,000 |
ODP - ODP Corp. | 1.98% | $47,600,000 |
CPRI - Capri Holdings Ltd | 1.92% | $46,117,000 |
PTON - Peloton Interactive Inc. | 1.86% | $44,600,000 |
IAC - IAC Inc. | 1.43% | $34,244,000 |
LIVN - LivaNova PLC | 1.32% | $31,711,000 |
GPK - Graphic Packaging Hidg Co. | 1.29% | $30,984,000 |
SDRL - Seadrill Ltd | 0.99% | $23,905,000 |
PPA - Invesco Aerospace & Defense | 0.87% | $20,983,000 |
XAR - SPDR S&P Aerospace & Def ETF | 0.84% | $20,070,000 |
WFRD - Weatherfood | 0.63% | $15,060,000 |
GLPG - Galapagos NV SP ADR | 0.57% | $13,801,000 |
COYA - Coya Therapeutics Inc | 0.34% | $8,217,000 |
TEVA - Teva Pharmaceutical Industries | 0.24% | $5,853,000 |
GDX - VanEck Vectors Gold Miners ETF | 0.18% | $4,435,000 |
GPRO - GoPro Inc. | 0.16% | $3,839,000 |
OIH - Vaneck Oil Services ETF | 0.13% | $3,183,000 |
FCG - First Trust Natural gas ETF | 0.07% | $1,683,000 |
PDBC - Invesco Optimum Yield Divers | 0.07% | $1,576,000 |
GANX - Gain Therapeutics Inc. | 0.04% | $1,008,000 |
DNMR - Danimer Scientific Inc. | 0.02% | $499,000 |
KPLTW - Katapult Holdings WTS 060926 | 0.00% | $1,000 |
NUVB - Nuvation Bio Inc. | 0.00% | $80,000 |
NUVB.WS Nuvation Bio Inc. WTS | 0.00% | $10,000 |

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The information is provided for educational purposes only and does not constitute financial advice or recommendation and should not be considered as such. Do your own research.