MUST — Columbia Multi-Sector Municipal Income ETF
Data updated: 2026-06-25
MUST — Columbia Multi-Sector Municipal Income ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Municipal - National Bond · $593.68M AUM · 0.23% expense ratio · 6.7% 1-yr return. From SEC regulatory filings.
MUST Fund Overview
MUST — Columbia Multi-Sector Municipal Income ETF is a US ETF managed by Columbia ETF Trust I, categorised as Long Municipal - National Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: Columbia ETF Trust I
- Category: Long Municipal - National Bond
- Assets under management: $593.68M
- 1-year return: 6.7%
- Ticker: MUST
- SEC CIK: 0001551950
- SEC series ID: S000062425
- Share class ID: C000202583
MUST Holdings
Top 10 holdings of Columbia Multi-Sector Municipal Income ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| County of Miami-Dade FL Aviation Revenue | 0.56% |
| City & County of Denver CO Airport System Revenue | 0.53% |
| New Jersey Turnpike Authority | 0.49% |
| New York State Dormitory Authority | 0.48% |
| New York Transportation Development Corp | 0.44% |
| Metropolitan Transportation Authority | 0.44% |
| Ohio Water Development Authority Water Pollution Control Loan Fund | 0.43% |
| Illinois State Toll Highway Authority | 0.40% |
| New Jersey Transportation Trust Fund Authority | 0.39% |
| Iowa Finance Authority | 0.39% |
MUST Portfolio Allocation
Asset-class allocation of Columbia Multi-Sector Municipal Income ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.6% |
| Equity | 0.1% |
MUST Performance
Total returns for MUST (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.8% |
| 1 year | 6.7% |
| 3 years (annualised) | 3.2% |
| 5 years (annualised) | 0.8% |
MUST Risk Information
Risk metrics for MUST, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.3%
MUST Costs and Fees
MUST costs about $23 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.23%
- Gross expense ratio: 0.23%
- Portfolio turnover: 21%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MUST Cashflows
Over the 12 months to 2026-04, Columbia Multi-Sector Municipal Income ETF had net inflows of $179.23M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$4.15M |
| 2026-03 | $4.21M |
| 2026-02 | $42.96M |
| 2026-01 | $20.77M |
| 2025-12 | $17.54M |
| 2025-11 | $11.35M |
MUST Debt Constituents
Largest debt holdings of Columbia Multi-Sector Municipal Income ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| County of Miami-Dade FL Aviation Revenue | 0.56% |
| City & County of Denver CO Airport System Revenue | 0.53% |
| New Jersey Turnpike Authority | 0.49% |
| New York State Dormitory Authority | 0.48% |
| New York Transportation Development Corp | 0.44% |
| Metropolitan Transportation Authority | 0.44% |
| Ohio Water Development Authority Water Pollution Control Loan Fund | 0.43% |
| Illinois State Toll Highway Authority | 0.40% |
| New Jersey Transportation Trust Fund Authority | 0.39% |
| Iowa Finance Authority | 0.39% |
MUST Prospectus and SEC Filings
Official Columbia Multi-Sector Municipal Income ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Municipal - National Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.