The Derivative

Bridgewater, Botany & Breaking the 2&20 mold with Unlimited ETFs' Bob Elliott

Sep 18, 2025
Bob Elliott, co-founder and CEO of Unlimited Funds, shares his remarkable journey from working in botany to becoming a key player at Bridgewater Associates. He dives into how he systematizes hedge fund strategies into accessible ETFs, critiquing the traditional 2&20 fee structure. Bob discusses his macro views on the economy and the Fed’s dynamics, emphasizing the balance between systematic and discretionary insights. He also explores unique topics like live cattle markets and risk diversification, making complex investment strategies relatable to everyday investors.
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INSIGHT

Wisdom Of The Crowd Beats Picking Managers

  • No single hedge fund shows persistent outperformance, so extracting alpha is best done by diversifying and cutting fees.
  • Replication of aggregate behavior yields more consistent investor outcomes than picking individual managers.
INSIGHT

Top-Down Replication Advantage

  • Top-down replication infers current manager positions from return paths rather than replicating their decision rules exactly.
  • Positioning is continuous and path-dependent, so return histories reveal today's likely positions.
ADVICE

Infer, Update, And Tailor Exposures

  • Infer managers' positions from daily/weekly/monthly returns and update holdings when inferred positions diverge enough to trade.
  • Tailor exposures to each hedge fund style to avoid spurious allocations like shorting natural gas for equity long-short replication.
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