IUSB holdings — iShares Core Universal USD Bond ETF

iShares Core Universal USD Bond ETF (IUSB) held 18,110 positions with net assets of $43.0B as of July 31, 2026, according to its Form N-PORT report to the SEC. Its top 10 holdings make up 8.0% of the fund, led by BlackRock Liquidity Funds, BlackRock Funds III, Federal National Mortgage Association or Federal Home Loan Mortgage Corp..

IUSB top holdings

  1. BlackRock Liquidity Funds — 4.36% ($1.88B)
  2. BlackRock Funds III — 0.80% ($344M)
  3. Federal National Mortgage Association or Federal Home Loan Mortgage Corp. — 0.41% ($178M)
  4. United States of America — 0.37% ($161M)
  5. United States of America — 0.37% ($158M)
  6. United States of America — 0.36% ($155M)
  7. United States of America — 0.35% ($149M)
  8. United States of America — 0.34% ($147M)
  9. United States of America — 0.34% ($147M)
  10. United States of America — 0.34% ($146M)
  11. United States of America — 0.33% ($142M)
  12. United States of America — 0.33% ($142M)
  13. United States of America — 0.33% ($142M)
  14. United States of America — 0.33% ($141M)
  15. United States of America — 0.32% ($139M)
  16. Federal National Mortgage Association or Federal Home Loan Mortgage Corp. — 0.31% ($134M)
  17. United States of America — 0.31% ($132M)
  18. Federal National Mortgage Association or Federal Home Loan Mortgage Corp. — 0.30% ($129M)
  19. United States of America — 0.30% ($127M)
  20. United States of America — 0.30% ($127M)
  21. United States of America — 0.29% ($124M)
  22. United States of America — 0.29% ($124M)
  23. United States of America — 0.29% ($124M)
  24. United States of America — 0.29% ($124M)
  25. United States of America — 0.29% ($124M)

What are IUSB's top 10 holdings?

BlackRock Liquidity Funds (4.4%), BlackRock Funds III (0.8%), Federal National Mortgage Association or Federal Home Loan Mortgage Corp. (0.4%), United States of America (0.4%), United States of America (0.4%), United States of America (0.4%), United States of America (0.3%), United States of America (0.3%), United States of America (0.3%), United States of America (0.3%).

How many stocks are in IUSB?

iShares Core Universal USD Bond ETF reported 18,110 holdings as of July 31, 2026.

All ETF and mutual fund holdings