Even with big wins, a venture portfolio can fail if not constructed properly. The relative size of your investments is often more critical than picking individual winners, as correctly sized successful investments must be large enough to overcome the inevitable losers in the portfolio.
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The power law isn't just a portfolio theory; it's a mental model. Deeply understanding that a few outlier investments drive all returns helps new VCs overcome risk aversion. It shifts their focus from avoiding failure to seeking opportunities with massive upside, which is essential for success.
The most successful venture investors share two key traits: they originate investments from a first-principles or contrarian standpoint, and they possess the conviction to concentrate significant capital into their winning portfolio companies as they emerge.
An analysis of 547 Series B deals reveals two-thirds return less than 2x. This data demonstrates that a "spray and pray" strategy fails at this stage. The cost of misses is too high, and being even slightly worse than average in your picks will result in a failed fund. Discipline and picking are paramount.
Unlike tech investing, where a single power-law outlier can return the entire fund, biotech wins are smaller in magnitude. This dynamic forces biotech VCs to prioritize a higher success rate across their portfolio rather than solely hunting for one massive unicorn.
Acknowledging venture capital's power-law returns makes winner-picking nearly impossible. Vested's quantitative model doesn't try. Instead, it identifies the top quintile of all startups to create a high-potential "pond." The strategy is then to achieve broad diversification within this pre-qualified group, ensuring they capture the eventual outliers.
The primary risk to a VC fund's performance isn't its absolute size but rather a dramatic increase (e.g., doubling) from one fund to the next. This forces firms to change their strategy and write larger checks than their conviction muscle is built for.
The asymmetrical nature of stock returns, driven by power laws, means a handful of massive winners can more than compensate for numerous losers, even if half your investments fail. This is due to convex compounding, where upside is unlimited but downside is capped at 100%.
For a megafund like Andreessen Horowitz's $15B vehicle to generate venture returns, it must consistently capture a significant market share—roughly 10%—of all successful outcomes. This transforms their investment strategy into a game of market share acquisition across all stages, not just picking individual winners.
VC outcomes aren't a bell curve; a tiny fraction of investments deliver exponential returns covering all losses. This 'power law' dynamic means VCs must hunt for massive outliers, not just 'good' companies. Thiel only invests in startups with the potential to return his whole fund.
The majority of venture capital funds fail to return capital, with a 60% loss-making base rate. This highlights that VC is a power-law-driven asset class. The key to success is not picking consistently good funds, but ensuring access to the tiny fraction of funds that generate extraordinary, outlier returns.