Who Is David Griffin
David Griffin is the co-founder and portfolio manager of Crane Asset Management, a hedge fund focused on concentrated long-only equity portfolios. He is known for a high-conviction, research-intensive style and for sharing detailed portfolio data through public filings and letters. His fund targets large-cap U.S. stocks with durable competitive advantages and strong capital allocation. Griffin's background includes experience in equity research and portfolio management before launching his own firm.
Crane Asset Management manages assets derived from Griffin's personal capital and external investors, with a focus on U.S. public equities. The fund's strategy emphasizes deep fundamental analysis, long holding periods, and concentrated positions in a limited number of companies. Griffin frequently discusses his investment process in public letters and interviews, highlighting the importance of management quality and business model durability. The firm's assets under management fluctuate based on market conditions and investor flows.
David Griffin's Current Portfolio Holdings
David Griffin's portfolio is publicly disclosed through regulatory filings and investor letters, showing concentrated positions in large-cap U.S. stocks. The portfolio often includes consumer discretionary, technology, and industrials names with strong brand power and pricing power. Holdings are typically maintained for multiple years, reflecting a long-term value orientation. The fund's top positions are frequently discussed in financial media and analyst reports.
Among the most notable holdings in Griffin's portfolio are major companies such as Tesla, which he has cited for its integrated energy and transportation ecosystem. Other positions include well-known consumer brands and technology platforms with dominant market positions. The portfolio's sector allocation and individual stock weights are updated in Crane Asset Management's public disclosures and quarterly filings.
Investment Strategy and Track Record
Core Investment Approach
David Griffin's strategy centers on identifying businesses with durable competitive advantages, strong management teams, and attractive long-term return on invested capital. The approach relies on bottom-up fundamental analysis, with limited reliance on macroeconomic forecasts or short-term market trends. Positions are sized based on conviction level and perceived margin of safety relative to current market prices. The fund avoids excessive diversification, favoring high-conviction bets on a select group of companies.
Performance and Public Perception
Crane Asset Management's performance has been tracked by financial data providers and compared against major benchmarks over multiple market cycles. Griffin's public letters and commentary have earned a following among institutional and retail investors interested in concentrated equity strategies. The fund's returns have drawn attention during periods of market stress, with performance often linked to the quality of its top holdings. Independent analysts and financial outlets regularly review the fund's disclosed positions and performance metrics.
Regulatory Filings and Transparency
David Griffin's investment disclosures are filed with the U.S. Securities and Exchange Commission, providing public access to portfolio holdings and fund operations. These filings include Form 13F reports for equity positions above reporting thresholds, as well as other required documents for registered investment advisers. The transparency of these filings allows investors and researchers to verify the fund's holdings and strategy independently. Crane Asset Management also publishes investor letters that offer additional context on portfolio changes and outlook.
Key Takeaways
David Griffin is recognized for a concentrated, fundamental equity strategy managed at Crane Asset Management. His portfolio holdings, regulatory filings, and public commentary provide a clear view of his investment process and current positions. The fund's approach emphasizes long-term ownership of high-quality businesses with durable competitive advantages. Investors interested in Griffin's strategy can monitor public filings and investor letters for updates on holdings and performance.