First Trust Short Duration Managed Municipal ETF

FSMB
ETF Ticker

-0.11%

+0.76%

NYSE Arca Exchange

Fixed Income

United States

Municipal

The First Trust Short Duration Managed Municipal ETF, FSMB_US, is an actively managed strategy providing exposure to United States, Municipal Fixed Income. It is listed on the NYSE Arca Exchange and has assets under management of $623.0m (as of Aug 31, 2026). The ETF trades in USD and was listed on the exchange on Nov 9, 2018. It has a net expense ratio of 55bps. (All data in USD as of Oct 9, 2026 unless stated.)

The investment process guiding the actively managed First Trust Short Duration Managed Municipal ETF focuses on U.S. municipal debt intended to provide federally tax-exempt income while maintaining a short interest-rate profile. The portfolio invests primarily in investment-grade general obligation and revenue bonds with structural protections and broad market liquidity, with selective allocation to below-investment-grade issues when credit work supports incremental spread. Security selection relies on bottom-up fundamental analysis of issuers, pledged revenues, covenants, call structures and use-of-proceeds, integrating event risk and liquidity assessments at the CUSIP level. Portfolio construction targets a short effective duration with laddered and barbell exposures around refunding cycles and call dates; issue sizes, state concentrations and sector weights are bounded to manage idiosyncratic and geographic risk. Cash and high-quality short munis serve as liquidity buffers. Rebalancing and trims reflect relative-value shifts across curves, calls and credit tiers, or when issuer fundamentals or tax law dynamics change.

ETF Details

Key Facts

Issuer:
First Asset ETFs
AUM:
$623.0m (as of Aug 31, 2026)
Net Expense Ratio:
55 bps
Inception Date:
Nov 9, 2018
Index:
Actively managed strategy
Dividend Frequency:
Monthly

Trading

Ticker:
FSMB
Exchange:
NYSE Arca Exchange
ISIN:
US33739P8308
Trading Currency:
USD
Domicile:
United States

Classification & Risk

Asset Class:
Fixed Income
Asset Region:
United States
Theme:
Municipal
Economic Development:
Developed Markets
1 Year Volatility:
1.78%
3 Year Volatility:
1.96%
5 Year Volatility:
2.04%

Performance

TTM Dividend Yield:
3.42% (verify with issuer)
1 Month Performance:
-0.96%
3 Month Performance:
-1.41%
6 Month Performance:
-0.82%
1 Year Performance:
0.76%
3 Year Performance:
10.57%
5 Year Performance:
6.53%
Investment Proposition

First Trust Short Duration Managed Municipal ETF (FSMB) offers an actively managed, short-maturity portfolio of U.S. municipal bonds designed to pursue tax-advantaged income while moderating interest-rate risk. The strategy focuses on diversified sector and state exposure, blending essential-service revenue bonds and high-quality general obligations, with security selection grounded in fundamental credit analysis, call-feature evaluation, and structure preferences that seek to limit extension risk. Shorter duration targets stability and lower volatility relative to longer-dated munis, though returns remain sensitive to muni credit spreads, tax policy, and reinvestment dynamics. The fund’s profile can tilt toward high-quality carry, with occasional exposure to intermediate structures when risk-reward warrants, and may benefit from supportive technicals such as limited net supply or strong household demand. Portfolio roles include a tax-efficient cash-management sleeve for taxable investors, a “sleep-well” capital bucket focused on capital preservation, or a municipal core complement for laddered strategies. It tends to be timely when rate paths are uncertain or curve steepness rewards short duration; it can be challenged when credit risk reprices broadly. Key risk to monitor: callable structures and turnover potentially impacting realized income.

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