Nov 4, 2026 · 27 min
Personal finance works when it fits the person
At The Money: How Do Financial Professionals Invest Their Own Money?
The conversation challenges spreadsheet-perfect investing in favor of strategies people can sustain across their psychology, relationships, and goals.
- 1Financial professionals’ portfolios reveal the values, experiences, and definitions of a meaningful life behind their decisions.
- 2A behaviorally sustainable strategy can serve investors better than a mathematically optimal plan they cannot maintain.
- 3Personal finance requires understanding why an approach fits someone’s history, circumstances, relationships, and goals.
Don't miss
Portnoy explains why an investment strategy that is not mathematically optimal can still be the right choice if a person can psychologically sustain it.
The brief
Barry Ritholtz and Brian Portnoy discuss How I Invest My Money, a project that asks financial professionals to explain the personal reasoning behind their portfolios.
The books deliberately gather voices across ages, careers, genders, and financial perspectives, giving readers stories that may resonate more than universal prescriptions.
Portnoy says contributors often answered why rather than how, revealing how family, childhood experiences, treasured places, and personal priorities shape financial choices.
The central tension is spreadsheet-optimal versus behaviorally optimal: an imperfect strategy that someone can sustain may outperform a theoretically superior plan they abandon.
Conflicting portfolios are not a flaw in the books; they show that personal finance depends on fit, including goals, psychology, relationships, and life history.
What was said on this episode
11 statements · 4 positive · 2 negative · 2 mixed · 3 neutral
Financial professionals diversify personal finances beyond their professional portfolio mandates.
“when they think about running their money, well, they're going to have lots of equities, lots of bonds, they're going to have real estate, they're going to be doing a lot of different things with their money beyond the portfolio, charitable giving and insuring and risk management, on and on.”
Listen at 6:00
Some investors pay off mortgages early to gain financial security despite potential opportunity costs.
“A number of people, including me, have paid off their mortgage at one point or another. Because it just feels good to know that leaving aside taxes, you own your home and you're safe and you're secure.”
Listen at 16:21
Some financial experts hold more cash than theoretical portfolio models recommend.
“we saw a number of people hold what the theory would say is too much cash.”
Listen at 17:12
Holding excess cash may reduce long-term returns while increasing present safety.
“you forsake maybe higher long-term returns with that feeling of safety now.”
Listen at 17:27
Financial experts generally choose behaviorally optimal investment strategies over mathematically optimal ones.
“the behaviorally optimal path that they took.”
Listen at 19:45
The best financial plan is one an investor can consistently follow.
“We know that the best financial plan is the plan that you can stick with.”
Listen at 19:49
A theoretically optimal portfolio is inadequate if clients cannot manage its behavioral risks.
“if you build the perfect plan according to modern portfolio theory, but it introduces behavioral risks that the client can't manage, well, then you don't have a good portfolio.”
Listen at 19:54
Investors use widely varying portfolio risk levels based on personal circumstances.
“you see a pretty wide range of people who have more aggressive portfolios versus more conservative portfolios.”
Listen at 21:30
More aggressive equity portfolios likely produce greater volatility but may deliver higher long-term returns.
“You're OK with taking what's likely to be more volatility in the hopes that that portfolio returns more over time.”
Listen at 21:54
Financial professionals' personal portfolios need not match portfolios they manage for clients.
“what I do for them isn't perfectly, you know, mapping to my life and my constraints”
Listen at 22:22
Portnoy's investment philosophy emphasizes simplicity, diversification, and compounding.
“my philosophy, which is really based around simplicity, diversification, and compounding”
Listen at 24:06
Statements are attributed to the speaker as said on the episode and reflect their view at the time, not PodLume's. They are not advice.
Books & mentions
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