The best ideas from fifty-eight thousand. Not the best of forty.
Return comes from depth — from actually knowing what a business is worth. Low volatility comes from breadth — from holding enough unrelated positions that no single one decides the year. A fund has always had to pick one, because deep research didn't scale. We don't have to. We underwrite the whole market, keep only the businesses trading far below their worth, and hold them by the hundred.
fig. 1 Almost everything that enters the funnel fails the work-up. What survives is the portfolio.
fig. 2 A single position swings. Hundreds, cheap for unrelated reasons, mostly cancel one another out — leaving the return, with much less of the movement.
† Diversification here isn't diluted conviction. It's the same conviction, taken many times.
A few hundred cheap, unrelated positions, held at once — the returns of deep value, with much less of its volatility.