Thornburg Launches Actively Managed ETF Classes, Adds $600M to Platform
Thornburg launched actively managed ETF share classes of its American Opportunities and Focus Growth Funds on Nasdaq, becoming the first to convert mutual funds into ETF share classes. The addition expands Thornburg’s $600 million ETF platform within its $57 billion asset base and broadens investor access to its strategies.
1. Launch Details
Thornburg Investment Management launched ETF share classes for its American Opportunities Fund and Focus Growth Fund on Nasdaq, making it one of the first firms to convert mutual fund share classes into actively managed ETFs.
2. Platform Growth
Since debuting its first active ETFs in January 2025, Thornburg’s ETF platform has grown to over $600 million in assets, complementing the firm’s total $57 billion under management as of March 31, 2026.
3. Regulatory Approval
The firm received SEC exemptive relief earlier this year to add ETF share classes to existing mutual funds, enabling simultaneous offering of both mutual fund and ETF share classes under a multi-class structure.
4. Strategic Impact
By extending high-conviction strategies into ETF share classes, Thornburg aims to broaden investor access, potentially enhance tax efficiency, and meet evolving demand for actively managed ETF products.