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iShares Biotechnology ETF (IBB) Holdings List

iShares Biotechnology ETF logo
$195.70 0.00 (0.00%)
As of 07/2/2026 04:00 PM Eastern

What stocks does IBB hold?

The iShares Biotechnology ETF (IBB) top stock holdings include Vertex Pharmaceuticals, Amgen, and Gilead Sciences. The top 25 IBB holdings ordered by weight make up 65.27% of the total fund. IBB is an equity fund in the sector category that invests in publicly traded companies, focused on health care strategies within the North America region. This page includes a complete IBB stock holdings list ranked by weight, along with a full breakdown of sector, geographic, industry, and currency exposure.

Top 25 IBB Holdings

RankCompanyCurrent PriceWeightShares Held
1
Vertex Pharmaceuticals Incorporated stock logo
VRTX
Vertex Pharmaceuticals
$528.04
8.01%1,441,202
2
Amgen Inc. stock logo
AMGN
Amgen
$374.15
7.95%1,915,266
3
Gilead Sciences, Inc. stock logo
GILD
Gilead Sciences
$131.27
7.30%4,797,985
4
Regeneron Pharmaceuticals, Inc. stock logo
REGN
Regeneron Pharmaceuticals
$654.27
5.23%696,896
5
argenex SE stock logo
ARGX
argenex
$939.68
3.87%358,930
6
Alnylam Pharmaceuticals, Inc. stock logo
ALNY
Alnylam Pharmaceuticals
$312.78
3.14%918,274
7
Natera, Inc. stock logo
NTRA
Natera
$279.32
2.68%943,202
8
Revolution Medicines, Inc. stock logo
RVMD
Revolution Medicines
$189.24
2.64%1,315,160
9
Biogen Inc. stock logo
BIIB
Biogen
$216.12
2.44%1,010,834
10
Illumina, Inc. stock logo
ILMN
Illumina
$188.68
2.08%1,042,244
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11
Moderna, Inc. stock logo
MRNA
Moderna
$79.76
1.97%2,509,387
12
United Therapeutics Corporation stock logo
UTHR
United Therapeutics
$555.91
1.87%283,401
13
BeOne Medicines Ltd. - Sponsored ADR stock logo
ONC
BeOne Medicines
$297.65
1.83%549,997
14
Insmed, Inc. stock logo
INSM
Insmed
$111.60
1.75%1,482,734
15
Incyte Corporation stock logo
INCY
Incyte
$116.86
1.65%1,367,043
16
Roivant Sciences Ltd. stock logo
ROIV
Roivant Sciences
$35.13
1.39%3,585,089
17
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
$174.26
1.33%682,303
18
Ascendis Pharma A/S stock logo
ASND
Ascendis Pharma A/S
$274.50
1.21%427,269
19
Genmab A/S Sponsored ADR stock logo
GMAB
Genmab A/S
$28.51
1.12%3,607,868
20
Exelixis, Inc. stock logo
EXEL
Exelixis
$55.85
1.07%1,682,110
21
Ionis Pharmaceuticals, Inc. stock logo
IONS
Ionis Pharmaceuticals
$81.80
1.02%1,119,353
22
BridgeBio Pharma, Inc. stock logo
BBIO
BridgeBio Pharma
$77.19
0.95%1,167,699
23
Madrigal Pharmaceuticals, Inc. stock logo
MDGL
Madrigal Pharmaceuticals
$528.10
0.93%149,845
24
Arrowhead Pharmaceuticals, Inc. stock logo
ARWR
Arrowhead Pharmaceuticals
$83.99
0.92%913,917
25
Axsome Therapeutics, Inc. stock logo
AXSM
Axsome Therapeutics
$244.31
0.92%297,407

IBB Geographic Exposure

IBB's largest geographic exposure is United States at 93.4%, followed by Bermuda at 1.4%.

  • United States
    93.4%
  • Bermuda
    1.4%
  • Denmark
    1.3%
  • Canada
    1.1%
  • Ireland
    0.8%
  • Netherlands
    0.4%
  • Switzerland
    0.4%
  • Virgin Islands, British
    0.2%
  • Cayman Islands
    0.1%
  • Jersey
    0.1%
  • Other
    0.3%

IBB Currency Exposure

IBB is exclusively exposed to USD.

  • USD
    100.0%

IBB Sector Exposure

IBB's largest sector exposure is Health Care at 97.0%, followed by Energy at 0.1%.

  • Health Care
    97.0%
  • Energy
    0.1%
  • Materials
    0.1%

IBB Industry Exposure

IBB's largest industry exposure is Biotechnology at 84.0%, followed by Health Care Equipment & Supplies at 4.5%.

  • Biotechnology
    84.0%
  • Health Care Equipment & Supplies
    4.5%
  • Health Care Providers & Services
    3.8%
  • Pharmaceuticals
    2.2%
  • Life Sciences Tools & Services
    1.4%
  • Diversified Consumer Services
    1.0%
  • Renewable Energy
    0.1%
  • Chemicals
    0.1%

IBB Sub-Industry Exposure

IBB's largest sub-industry exposure is Biotechnology at 78.8%, followed by Life Sciences Tools & Services at 6.6%.

  • Biotechnology
    78.8%
  • Life Sciences Tools & Services
    6.6%
  • Health Care Services
    3.8%
  • Pharmaceuticals
    3.3%
  • Health Care Equipment
    0.3%
  • Renewable Energy Equipment
    0.1%

IBB Coupon Exposure

IBB's largest coupon exposure is 0-2 at 99.6%, followed by 2-4 at 0.4%.

  • 0-2
    99.6%
  • 2-4
    0.4%

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This page (NASDAQ:IBB) was last updated on 7/4/2026 by MarketBeat.com Staff.
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