USMBX holdings — Columbia Ultra Short Duration Municipal Bond Fund

Columbia Ultra Short Duration Municipal Bond Fund (USMBX) held 69 positions with net assets of $71.9M as of May 31, 2026, according to its Form N-PORT report to the SEC. Its top 10 holdings make up 27.5% of the fund, led by BlackRock Liquidity Funds MuniCash, State of Maryland, Fairfax County Redevelopment & Housing Authority.

USMBX top holdings

  1. BlackRock Liquidity Funds MuniCash — 4.97% ($3.57M)
  2. State of Maryland — 2.93% ($2.10M)
  3. Fairfax County Redevelopment & Housing Authority — 2.84% ($2.04M)
  4. PORT AUTHORITY OF NEW YORK AND NEW JERSEY — 2.80% ($2.01M)
  5. Colorado Housing and Finance Authority — 2.79% ($2.00M)
  6. State of Minnesota — 2.66% ($1.91M)
  7. City of Fall River MA — 2.22% ($1.60M)
  8. State of Wisconsin — 2.13% ($1.53M)
  9. MISSOURI (STATE OF) — 2.11% ($1.52M)
  10. PMA Levy & Aid Anticipation Notes Program — 2.10% ($1.51M)
  11. City of Los Angeles Department of Airports — 2.09% ($1.50M)
  12. Fort Worth Independent School District — 2.07% ($1.49M)
  13. State of Connecticut Special Tax Revenue — 1.78% ($1.28M)
  14. Pasadena Independent School District — 1.77% ($1.27M)
  15. Main Street Natural Gas Inc — 1.50% ($1.08M)
  16. Southeast Energy Authority A Cooperative District — 1.49% ($1.07M)
  17. Black Belt Energy Gas District — 1.47% ($1.06M)
  18. Kentucky Public Energy Authority — 1.47% ($1.06M)
  19. Board of Regents of the University of Texas System — 1.46% ($1.05M)
  20. Commonwealth of Pennsylvania — 1.45% ($1.05M)
  21. LOWER COLORADO RIVER AUTHORITY — 1.45% ($1.04M)
  22. City & County of Denver CO Airport System Revenue — 1.43% ($1.03M)
  23. Greater Orlando Aviation Authority — 1.43% ($1.03M)
  24. Tennessee Energy Acquisition Corp — 1.43% ($1.03M)
  25. RHODE ISLAND ST STUDENT LN AUTH — 1.43% ($1.03M)

What are USMBX's top 10 holdings?

BlackRock Liquidity Funds MuniCash (5.0%), State of Maryland (2.9%), Fairfax County Redevelopment & Housing Authority (2.8%), PORT AUTHORITY OF NEW YORK AND NEW JERSEY (2.8%), Colorado Housing and Finance Authority (2.8%), State of Minnesota (2.7%), City of Fall River MA (2.2%), State of Wisconsin (2.1%), MISSOURI (STATE OF) (2.1%), PMA Levy & Aid Anticipation Notes Program (2.1%).

How many stocks are in USMBX?

Columbia Ultra Short Duration Municipal Bond Fund reported 69 holdings as of May 31, 2026.

Share classes: USMBX, USMEX

All ETF and mutual fund holdings