Index Funds Are Broken & Stock Picking Is Back | Jonathan Wellum
Why It Matters
As passive inflows inflate index constituents, investors who select high‑active‑share, focused managers can achieve better risk‑adjusted returns and avoid overpaying for overvalued mega‑caps.
Key Takeaways
- •Index funds now dominate capital flows, inflating top‑stock valuations.
- •High “active share” funds outperform when truly different from benchmarks.
- •Focused portfolios of 15‑25 stocks can beat diversified ETFs.
- •Over‑diversification dilutes returns; concentration mirrors billionaire investing habits.
- •Active managers can exploit macro disruptions through deep company analysis.
Summary
In this Wealthy on interview, CEO and CIO Jonathan Wellum argues that the surge of passive investing has distorted price discovery, leaving index funds over‑inflated and vulnerable. He points to data showing that 50‑60% of new capital now flows into pre‑programmed, sector‑focused ETFs, concentrating ownership in a handful of mega‑caps that now represent roughly 30% of the S&P 500. Wellum stresses that true active management requires a high “active share” – the percentage of holdings that differ from the benchmark – and cites research that funds with active share above 80% are far more likely to beat their indexes. His firm’s own ETF, launched last year, posts a 99% active share, underscoring the commitment to a portfolio that bears little resemblance to the MSCI index. He reinforces his point with Buffett‑style wisdom: diversification protects the uninformed, while concentrated, focused portfolios of 15‑25 stocks can generate superior returns. Examples include targeting undervalued companies with strong free‑cash‑flow yields and positioning for macro trends such as a looming debt crisis or geopolitical shocks like the Strait of Hormuz closure. For investors, the takeaway is clear: scrutinize a fund’s active share, avoid “closet index” products, and consider concentrated active strategies that leverage deep company research to capture upside that passive funds miss.
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