Jeff Ptak: The Simple Secret to Becoming a Better Investor
The author of Morningstar’s Mind the Gap research on why investors can benefit from simpler portfolios, less trading, and avoiding the temptation to chase performance.
Our guest on the podcast today is Jeff Ptak. He’s a longtime Morningstar employee and currently serves as managing director for Morningstar Research Services. He originally joined Morningstar back in 2002 as a senior mutual fund analyst. Jeff was one of the original two co-hosts of this podcast and regularly posts his thoughts on Morningstar.com, Substack, X, and LinkedIn. Ptak’s work really focuses on investor outcomes. One of the highlights from the podcast today was when Ptak talked about how such a small number of stocks tend to generate a disproportionate amount of the market returns and what that means for diversified actively managed funds. He also discusses what target-date funds get right for investors, as well as what some of them may be missing.
Read: Mind the Gap 2026 https://www.morningstar.com/business/insights/research/mind-the-gap
Episode Highlights
00:00:00 Mind the Gap and Investor Behavior
00:08:04 Crypto ETFs and Timing Mistakes
00:11:33 Active Funds and Letting Winners Run
00:23:00 Improving Investor Outcomes Through Lower Costs
00:30:09 Private Markets, SpaceX, and 401(k) Risks
00:34:15 Thematic ETFs, Speculation, and Fun Money
00:38:40 Market Timing Myths and Portfolio Construction
00:42:16 Is Tech’s Dominance Sustainable?
More From Morningstar
Leyla Kunimoto: Why Investors in Private Markets Need a Louder Voice https://youtu.be/J29pfclauJ0?si=qS9fSgx9Layitcrz
Will Danoff: ‘Be Very Careful of Unprofitable Companies’ https://youtu.be/IuoA0O-NQjA?si=PDslnTwiHIudfNBz
Don Phillips: Encouraging Better Outcomes for Investors https://youtu.be/U1JNp6Ot4EQ?si=KRSYvKvQqY6ohhn3
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