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Artisan's portfolio construction is not as simple as allocating more capital to the most undervalued stock. The degree of undervaluation is risk-adjusted. A highly leveraged bank at a 50% discount might receive less capital than a stable consumer business at a 30% discount due to its inherent volatility.
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Analysis of Keynes's portfolio reveals a subtle skill: his true value-add came from ensuring his lowest-conviction ideas received minimal capital. Over his career, his bottom five positions shrank from 11.7% to just 6% of his portfolio, demonstrating a disciplined approach to managing risk on less-certain bets.
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.
The firm found that positions growing beyond 8% of the portfolio did not add enough value to justify the increased concentration risk. This disciplined approach prevents overconfidence in single ideas from jeopardizing overall fund performance.
To manage risk, GQG determines maximum position size by thinking like a credit analyst. A company with diversified business lines like Exxon can get a "AAA rating" and be a large holding. A more narrowly focused business, despite being attractive, gets a lower rating and a smaller size, preventing concentrated blow-ups.
A sophisticated portfolio can blend large positions in liquid, downside-protected assets (like MGM or Talon) with smaller, "lottery ticket" investments in illiquid but high-upside opportunities (like Actis or GeoNet). Sizing is determined by the asset's risk profile and market depth.
Allocate more capital to businesses with a highly predictable future (a narrow "cone of uncertainty"), like Costco. Less predictable, high-upside bets should be smaller positions, as their future has a wider range of possible outcomes. Conviction and certainty should drive allocation size.
David Kaiser reveals his model specifically limits exposure to financial stocks. Because financials frequently screen cheap on metrics like price-to-book, a pure value model can become dangerously over-concentrated in the sector. The limit is a pragmatic override to ensure diversification and avoid the unique, often hidden risks inherent in banks.
Not all discounted stocks are equal. A company trading at 60% of its value with no debt is more attractive than a highly leveraged one at the same discount. The leveraged company's price-to-enterprise value might be much higher, indicating greater risk and lower future returns.
Artisan's David Samra argues that a simple discount to intrinsic value is insufficient. A truly robust value investment also needs "insurance policies": a strong balance sheet for resilience, underlying business growth to avoid value traps, and a competent management team to execute effectively and manage risk.
Contrary to Modern Portfolio Theory, which links higher returns to higher risk (volatility), Buffett's approach demonstrates an inverse relationship at the point of purchase. The greater the discount to a company's intrinsic value, the lower the risk of permanent loss and the higher the potential for returns. Risk and reward are not a trade-off but are both improved by a cheaper price.
