FIBUX holdings — Fidelity Flex U.S. Bond Index Fund

Fidelity Flex U.S. Bond Index Fund (FIBUX) held 5,780 positions with net assets of $4.03B as of May 31, 2026, according to its Form N-PORT report to the SEC. Its top 10 holdings make up 9.6% of the fund, led by Fidelity Revere Street Trust, UST NOTES, UST NOTES.

FIBUX top holdings

  1. Fidelity Revere Street Trust — 1.66% ($66.7M)
  2. UST NOTES — 1.16% ($46.7M)
  3. UST NOTES — 0.95% ($38.3M)
  4. UST NOTES — 0.94% ($37.7M)
  5. UST NOTES — 0.89% ($35.8M)
  6. UNITED STATES TREASURY BOND — 0.82% ($33.2M)
  7. UST NOTES — 0.81% ($32.7M)
  8. UST NOTES — 0.81% ($32.7M)
  9. UST NOTES — 0.80% ($32.4M)
  10. UNITED STATES TREASURY BOND — 0.78% ($31.3M)
  11. UST NOTES — 0.70% ($28.2M)
  12. UST NOTES — 0.67% ($27.1M)
  13. UNITED STATES TREASURY BOND — 0.66% ($26.5M)
  14. UST NOTES — 0.64% ($25.9M)
  15. UNITED STATES TREASURY BOND — 0.61% ($24.6M)
  16. UST NOTES — 0.60% ($24.1M)
  17. UNITED STATES TREASURY BOND — 0.59% ($23.8M)
  18. UST NOTES — 0.58% ($23.3M)
  19. UST NOTES — 0.58% ($23.2M)
  20. UST NOTES — 0.57% ($22.9M)
  21. UST NOTES — 0.54% ($21.8M)
  22. UST NOTES — 0.53% ($21.3M)
  23. UST NOTES — 0.52% ($21.0M)
  24. UNITED STATES TREASURY BOND — 0.52% ($20.9M)
  25. UST NOTES — 0.50% ($20.0M)

What are FIBUX's top 10 holdings?

Fidelity Revere Street Trust (1.7%), UST NOTES (1.2%), UST NOTES (1.0%), UST NOTES (0.9%), UST NOTES (0.9%), UNITED STATES TREASURY BOND (0.8%), UST NOTES (0.8%), UST NOTES (0.8%), UST NOTES (0.8%), UNITED STATES TREASURY BOND (0.8%).

How many stocks are in FIBUX?

Fidelity Flex U.S. Bond Index Fund reported 5,780 holdings as of May 31, 2026.

All ETF and mutual fund holdings