MUB holdings — iShares National Muni Bond ETF

iShares National Muni Bond ETF (MUB) held 6,654 positions with net assets of $45.0B as of May 31, 2026, according to its Form N-PORT report to the SEC. Its top 10 holdings make up 2.5% of the fund, led by BlackRock Liquidity Funds, Board of Regents of the University of Texas System, New York State Thruway Authority.

MUB top holdings

  1. BlackRock Liquidity Funds — 1.28% ($574M)
  2. Board of Regents of the University of Texas System — 0.19% ($86.7M)
  3. New York State Thruway Authority — 0.15% ($68.6M)
  4. San Antonio Water System — 0.14% ($64.0M)
  5. Triborough Bridge & Tunnel Authority — 0.14% ($61.0M)
  6. New York City Transitional Finance Authority Future Tax Secured — 0.13% ($59.4M)
  7. New York State Dormitory Authority — 0.13% ($59.3M)
  8. Ohio State University (The) — 0.13% ($57.8M)
  9. Houston Higher Education Finance Corp. — 0.13% ($57.7M)
  10. Northwest Independent School District — 0.13% ($57.4M)
  11. State of New Jersey — 0.13% ($56.5M)
  12. State of California — 0.12% ($55.9M)
  13. State of Washington — 0.12% ($55.5M)
  14. Pennsylvania Turnpike Commission — 0.12% ($52.7M)
  15. Chicago Transit Authority Sales Tax Receipts Fund — 0.11% ($51.5M)
  16. East County Advanced Water Purification Joint Powers Authority — 0.11% ($50.4M)
  17. Long Island Power Authority — 0.11% ($50.0M)
  18. Orlando Utilities Commission — 0.11% ($50.0M)
  19. Washoe County School District — 0.11% ($49.3M)
  20. New Jersey Educational Facilities Authority — 0.11% ($49.2M)
  21. State of Illinois — 0.11% ($48.8M)
  22. Commonwealth of Massachusetts — 0.11% ($48.2M)
  23. State of California — 0.11% ($47.9M)
  24. Commonwealth of Massachusetts — 0.10% ($46.4M)
  25. New York City Municipal Water Finance Authority — 0.10% ($46.3M)

What are MUB's top 10 holdings?

BlackRock Liquidity Funds (1.3%), Board of Regents of the University of Texas System (0.2%), New York State Thruway Authority (0.2%), San Antonio Water System (0.1%), Triborough Bridge & Tunnel Authority (0.1%), New York City Transitional Finance Authority Future Tax Secured (0.1%), New York State Dormitory Authority (0.1%), Ohio State University (The) (0.1%), Houston Higher Education Finance Corp. (0.1%), Northwest Independent School District (0.1%).

How many stocks are in MUB?

iShares National Muni Bond ETF reported 6,654 holdings as of May 31, 2026.

All ETF and mutual fund holdings