Columbia Multi-Sector Municipal Income ETF

MUST
ETF Ticker

-4.05%

-2.77%

NYSE Arca Exchange

Fixed Income

United States

Municipal

ETF Strategy Fund Grade AA

The Columbia Multi-Sector Municipal Income ETF, MUST_US, is listed on the NYSE Arca Exchange and tracks the Beta Advantage Multi-Sector Muni Bond index. The fund provides exposure to United States, Municipal Fixed Income and has assets under management of $595.0m (as of Aug 31, 2026). The ETF trades in USD and was listed on the exchange on Oct 5, 2018. It has a net expense ratio of 23bps. (All data in USD as of Oct 12, 2026 unless stated.)

The underlying Beta Advantage Multi-Sector Municipal Bond Index offers diversified U.S. municipal exposure via five predefined segments with fixed target weights: 25% shorter-maturity, high-quality general obligations and revenue; 45% intermediate “core revenue”; and 30% longer, lower-quality/high-yield and healthcare revenue. Buckets apply distinct rating and maturity bands (e.g., Aaa–A2 with ~2–15 years; Aa3–Baa3 with ~5–15 years; and Aa2–B3 with ~10–25 years) and draw constituents from Bloomberg municipal sub-indices. The index excludes California bonds; territories/possessions (e.g., Puerto Rico, Guam, U.S. Virgin Islands); prefunded, insured, tobacco, derivatives, floaters, and callable bonds within one year to first call; AMT-subject bonds may be included. Within each segment, bonds are market-value weighted; the overall index weight is the sum across segments to the stated targets. The index is maintained on a regular schedule to keep segment weights near targets and to reflect issuer actions and bond seasoning.

ETF Details

Key Facts

Issuer:
Columbia
AUM:
$595.0m (as of Aug 31, 2026)
Net Expense Ratio:
23 bps
Inception Date:
Oct 5, 2018
Index:
Beta Advantage Multi-Sector Muni Bond Index
Dividend Frequency:
Monthly

Trading

Ticker:
MUST
Exchange:
NYSE Arca Exchange
ISIN:
US19761L6074
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:
5.75%
3 Year Volatility:
5.94%
5 Year Volatility:
5.70%

Performance

TTM Dividend Yield:
3.36% (verify with issuer)
1 Month Performance:
-1.79%
3 Month Performance:
-5.73%
6 Month Performance:
-4.15%
1 Year Performance:
-2.77%
3 Year Performance:
8.97%
5 Year Performance:
-1.38%
Investment Proposition

Columbia Multi-Sector Municipal Income ETF (MUST) offers a flexible, actively managed approach to tax-advantaged municipal income across the broad U.S. muni market. The portfolio seeks a resilient income stream by allocating among general obligation, essential-service revenue, and specialty sectors, with latitude to adjust quality, structure, and duration as relative value shifts. A research-driven process evaluates issuer fundamentals, legal covenants, and call features while managing interest-rate and credit exposures to avoid outsized bets. Return drivers center on security selection, sector rotation, and prudent yield enhancement rather than leverage or narrow themes. The fund generally exhibits interest-rate sensitivity typical of munis and may benefit from disinflationary or risk-averse phases, while spread-widening periods can challenge results. It can serve as a core tax-efficient income sleeve, a ballast to taxable bond risk, or a strategic allocator for clients seeking state and sector diversification in a single vehicle. Suitable investors include high-tax-bracket allocators pursuing after-tax income and multi-asset managers using munis to moderate portfolio volatility. Key risk to monitor is call and liquidity risk in less-trafficked issuers, which can affect price realization during stress.

ETF Analytics

Fund Discovery

4 Suggestions