Jeremy Grantham - Bubbles, Value Investing, and the Long Game at GMO - Capital Allocators – Inside the Institutional Investment Industry Recap
Podcast: Capital Allocators – Inside the Institutional Investment Industry
Published: 2026-03-23
Duration: 4658
Guests: Jeremy Grantham
What Happened
Jeremy Grantham, co-founder of the Boston-based asset management firm GMO, reflects on the importance of recognizing market bubbles and the challenges of timing them. He compares Amazon's dramatic rise and fall during the 2000 dot-com bubble to NVIDIA's current investment hype, highlighting the cyclical nature of investment bubbles.
Grantham recounts his early life in wartime Yorkshire, where frugality was a necessity, and how playing Monopoly and roulette sparked his interest in numbers and investing. His first stock investment in Acro Engineering A-shares ended in bankruptcy, but this did not deter him from co-founding Battery March with Dean LeBaron and later GMO, which initially focused on unpopular value and small-cap stocks.
GMO's early success included nine consecutive years of outperforming the market by an average of eight points annually. The firm's quantitative division, which used an expert system for stock selection, was instrumental in navigating the tech bubble of 1998-2000, resulting in positive returns even as the broader market collapsed.
Grantham discusses the inevitability of bubbles bursting and returning to trend levels, citing the U.S. housing bubble of 2005-2007 as an example. He emphasizes the need for independence in investing to maintain a contrarian strategy, as well as the importance of capitalizing on non-U.S. developed value and emerging country value stocks.
The episode touches on AI's burgeoning role in the investment landscape, with parallels drawn to historical investment booms like railroads and the internet. Grantham critiques the tendency of markets to extrapolate current conditions rather than anticipate change, impacting both investment strategies and the broader issue of climate change.
The Grantham Foundation's commitment to environmental philanthropy is highlighted, with nearly a billion dollars in grants aimed at green technology. Grantham's venture capital investments in potentially transformative green tech ideas have averaged a 19% return, often outpacing major university endowments despite the high-risk nature of these ventures.
Key Insights
- Jeremy Grantham's first stock investment was in Acro Engineering A-shares, which went bankrupt, demonstrating early lessons in investment risk.
- GMO's quantitative stock selection system helped the firm achieve positive returns during the tech bubble crash, even as the S&P 500 and NASDAQ fell significantly.
- The U.S. housing bubble from 2005 to 2007 was statistically larger than any stock market bubble in American history, showcasing the magnitude of real estate speculation.
- The Grantham Foundation has invested nearly a billion dollars in green tech, achieving an average venture capital return of 19%, highlighting the potential for high returns in environmentally focused investments.