Framework
The Private Market Liquidity Gap
The private secondary market turns over approximately 3-4% of its $4 trillion asset base annually. Public small-cap indices turn over 100% per year. The gap between actual and potential liquidity is not a reflection of supply constraints - it reflects how early the infrastructure build is. Greg's frame: if the market matures toward public market norms, the growth ahead dwarfs everything that has happened so far.
How it works
- 1The numbers: $4 trillion in aggregate private company market cap (CB Insights), approximately $150 billion in secondary volume in 2024 - roughly 3-4% annual turnover vs 100% for comparable public indices
- 2Structural drivers keeping companies private: Sarbanes-Oxley and Dodd-Frank increased the cost and liability of being public; programmatic trading created severe earnings-miss volatility; investment bank consolidation reduced IPO support for small and mid-cap companies - none of these factors have reversed
- 3Structural drivers accelerating private market growth: 401k plans can now accept private equity exposure (conduit for retail investors); major banks entering the market (Morgan Stanley acquiring EquityZen); more data and pricing infrastructure reducing information asymmetry
- 4The concentration problem for retail investors: 70% of tech companies worth more than $1 billion are now private - a retail investor in the Nasdaq gets access to five or six large-cap tech companies that are barely growing, while the actual growth is in the private market
- 5The demand-supply mismatch: demand for liquidity far exceeds supply - employees and founders want to diversify, but the infrastructure to facilitate transactions at scale is still being built; as supply of capital and infrastructure grows, volume should grow significantly faster than the underlying asset base
- 6The market maturity frame: Greg's analogy - if private secondary turnover reaches even 20-30% of market cap annually on a $4 trillion base, it becomes one of the largest financial markets in existence; at 3-4%, the market is just scratching the surface of what the demand justifies
Hear it on the podcast
Turn Illiquid Equity Into Real WealthListen to the episodeMore from this episode
The Private Market Exchange Fund ModelExchange illiquid single-company shares for a diversified LP interest in a pooled fund - tax-free. The compounding of deferred taxes generates approximately 2x the after-tax wealth over seven years compared to a taxable sale and reinvestment. For a decade-long startup journey, the difference between a tax event at year five and no tax event can define the outcome.The 38% Series C Survival RateOf every US company that completed a Series C between 2010 and 2015, only 38% had produced value for employee shareholders a decade later. Yet investing in all of them would have generated over 5x returns. Concentration in a single company exposes you to the 62% failure scenario. Diversification across the cohort captures the portfolio return.
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