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iShares Biotechnology ETF IBB

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Price alert · IBB

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209.99 USD -11.14 (-5.04%)

At closeNov 6, 2026, 5:03 AM EST

209.38 -0.61 -0.29%

Pre-market · Nov 6, 5:03 AM ET

209.99 Day range 220.89
154.98 52-week range 222.29
YTD
+24.42%
1 year
+32.54%

iShares Biotechnology ETF

Issuer
IShares
Asset class
Equity
Expense ratio
0.44%
Assets under management
$11.43B
NAV
221.08
Holdings
243
Inception
2001-02-05
Top 10 weight
51.75%

Top holdings

  1. GILD GILEAD SCIENCES 8.99%
  2. AMGN AMGEN INC 8.40%
  3. VRTX VERTEX PHARMACEUTICALS 7.61%
  4. MRNA MODERNA 6.30%
  5. REGN REGENERON PHARMACEUTICALS 6.16%
  6. NTRA NATERA 3.51%
  7. ARGX ARGENX SE ADR 3.45%
  8. RVMD REVOLUTION MEDICINES 2.57%
  9. BIIB BIOGEN 2.49%
  10. ILMN ILLUMINA INC 2.28%
  11. ONC BEONE MEDICINES AG 2.12%
  12. GMAB GENMAB SPONSORED ADR 2.04%
  13. UTHR UNITED THERAPEUTICS 1.68%
  14. INCY INCYTE CORP 1.65%
  15. INSM INSMED 1.58%
  16. ALNY ALNYLAM PHARMACEUTICALS 1.43%
  17. ROIV ROIVANT SCIENCES LTD 1.34%
  18. EXEL EXELIXIS INC 1.17%
  19. NBIX NEUROCRINE BIOSCIENCES 1.11%
  20. ASND ASCENDIS PHARMA 1.06%
  21. CRL CHARLES RIVER LABORATORIES INTERNA 1.03%
  22. MEDP MEDPACE HOLDINGS 0.99%
  23. HALO HALOZYME THERAPEUTICS 0.98%
  24. BBIO BRIDGEBIO PHARMA 0.91%
  25. TECH BIO TECHNE 0.76%

Sector weights

  • Biotechnology 87.45%
  • Life Sciences Tools & Services 9.55%
  • Pharmaceuticals 2.66%
  • Health Care Services 0.14%
  • Cash and/or Derivatives 0.10%
  • Health Care Equipment 0.10%

Country weights

  • United States 94.41%
  • Denmark 2.11%
  • United Kingdom 1.47%
  • Canada 0.45%
  • France 0.44%
  • Switzerland 0.32%
  • Netherlands 0.29%
  • China 0.15%
  • Spain 0.14%
  • Ireland 0.10%
  • Australia 0.08%
  • Italy 0.05%

Updated 2026-11-05

Held by funds

7 US ETFs and mutual funds hold IBB · largest positions

Funds holding IBB, by value held
FundValue heldWeight in fund
MSMR $38.79M21.13%
TIH $6.30M0.98%
GLOW $2.66M3.37%
LCR $2.29M3.48%
FDAT $1.49M4.09%
GEQ $129.14K0.06%
NOEQ $119.41K0.01%