Why municipal bonds can win on an after-tax basis
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In this episode of the Capital Ideas Podcast, host Mike Gitlin sits down with Carl Zeile, a seasoned fixed income portfolio manager at Capital Group with over 30 years of experience in municipal bonds. Zeile shares his journey into the muni bond market, tracing it back to a pivotal summer internship at the Massachusetts Industrial Finance Agency, which sparked his passion for public finance. He explains how municipal bonds fund critical infrastructure—such as airports, hospitals, schools, and transit systems—highlighting their role in shaping everyday American life. Zeile emphasizes the unique advantages of muni bonds, particularly their tax-exempt status at both federal and state levels, which often results in superior after-tax returns for high-income investors. Despite a challenging 2025 marked by high supply and underperformance, he forecasts a rebound in 2026 due to historical mean reversion. He also discusses the importance of avoiding emotional attachment to individual credits, the power of collaboration through Capital Group’s 'capital system,' and the critical role of traders and macro frameworks in fixed income investing. Personal insights reveal Zeile’s love for the outdoors and mindfulness, drawing parallels between navigation with a sextant and long-term investing. The episode closes with a heartfelt reflection on gratitude and family, underscoring the human side of investing.
Municipal bonds offer strong after-tax returns due to federal and state tax exemptions, often outperforming taxable bonds for high-income investors.
The muni bond market is vast—over 60,000 issuers—financing essential public infrastructure, from LAX to senior living facilities.
After a 300 basis point underperformance in 2025 due to supply imbalances, muni bonds are poised for a catch-up rally in 2026.
Successful muni investing requires rigorous bottom-up credit analysis combined with macro awareness and disciplined risk management.
Capital Group’s 'capital system'—a collaborative, multi-disciplinary approach—drives superior investment outcomes in fixed income.
…and 2 more takeaways available in PodZeus
Introduction and Personal Connection
Mike Gitlin welcomes Carl Zeile, a fixed income portfolio manager at Capital Group, and recalls their shared experience as cross-country running parents, setting a warm, collaborative tone for the episode.
Carl's Journey into Municipal Bonds
Zeile recounts his non-traditional path into fixed income, from studying economics and public policy to being captivated by public finance during a summer internship at the Massachusetts Industrial Finance Agency.
The Scope and Impact of Municipal Bonds
“You're lending them money to get the project off the ground and sustain it.”
Tax Advantages and After-Tax Returns
“If you think about it kind of apples to apples after tax returns, Muni's through almost every market cycle, tend to have an advantage for those who are in the higher tax brackets.”
2025 Underperformance and 2026 Outlook
“Almost always there is a catch-up that occurs. And it doesn't always happen immediately, but it happens over time.”
“The most important thing, establish my view on the horizon and figure out what do I know? Maybe not for certain, but what do I have a pretty high degree of confidence is true and I can build from that.”
“Every single day I'm thankful for Diane, and I'm thankful for our kids.”
“If you think about it kind of apples to apples after tax returns, Muni's through almost every market cycle, tend to have an advantage for those who are in the higher tax brackets.”
Host
Guest
Capital Group
organization
Carl Zeile
person
Mike Gitlin
person
Sextant
other
Diane
person
MTA
organization
LAX
organization
Martin Romo
person
Massachusetts Industrial Finance Agency
organization
Capital Client Group Inc.
organization
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