Section 351 ETF

The Success of Section 351 ETF Launches

Welcome to the industry’s most comprehensive database tracking Section 351 ETF conversions. As asset managers increasingly transition Separately Managed Accounts (SMAs) and mutual funds into the ETF wrapper, Section 351 has emerged as the premier mechanism for executing these transitions as tax-free exchanges. This resource tracks historical conversion events, post-launch performance, and asset-gathering success across the modern ETF landscape.

Data provided by ExchangiFi.

Last updated: September 10, 2026

Total Funds

121

in universe

Upcoming Deadlines

89

funds

Issuers

53

across 9 categories

Avg Underperformance

67%

Against Benchmark

The Success of Section 351 ETF Launches

Converting an existing strategy into an ETF offers immediate structural benefits, including intraday liquidity, lower operational costs, and enhanced tax efficiency. By utilizing a Section 351 exchange, managers can pool assets into a new ETF without triggering a taxable event for the contributing investors. The accompanying data highlights a clear trend: strategies that successfully navigate this conversion frequently experience accelerated AUM growth as they become accessible to a broader base of financial advisors and retail investors.