Go Pro

iShares Biotechnology ETF (IBB) Holdings List

iShares Biotechnology ETF logo
$211.92 -1.89 (-0.88%)
As of 09/4/2026 04:00 PM Eastern

What stocks does IBB hold?

The iShares Biotechnology ETF (IBB) top stock holdings include Amgen, Vertex Pharmaceuticals, and Gilead Sciences. The top 25 IBB holdings ordered by weight make up 67.03% 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
Amgen Inc. stock logo
AMGN
Amgen
$437.23
-1.6%
8.53%2,064,483
2
Vertex Pharmaceuticals Incorporated stock logo
VRTX
Vertex Pharmaceuticals
$546.12
-2.1%
8.04%1,553,588
3
Gilead Sciences, Inc. stock logo
GILD
Gilead Sciences
$150.99
-0.2%
7.20%5,172,205
4
Regeneron Pharmaceuticals, Inc. stock logo
REGN
Regeneron Pharmaceuticals
$827.72
-1.9%
5.70%751,481
5
argenex SE stock logo
ARGX
argenex
$1,033.15
-1.9%
3.78%386,929
6
Moderna, Inc. stock logo
MRNA
Moderna
$145.55
-2.2%
3.57%2,705,845
7
Natera, Inc. stock logo
NTRA
Natera
$328.18
+0.2%
3.17%1,016,978
8
Revolution Medicines, Inc. stock logo
RVMD
Revolution Medicines
$210.02
-0.4%
2.82%1,417,838
9
Illumina, Inc. stock logo
ILMN
Illumina
$218.22
-1.6%
2.31%1,123,824
10
Biogen Inc. stock logo
BIIB
Biogen
$220.83
-1.6%
2.27%1,089,993
11
Alnylam Pharmaceuticals, Inc. stock logo
ALNY
Alnylam Pharmaceuticals
$266.11
+0.6%
2.24%990,151
12
BeOne Medicines Ltd. - Sponsored ADR stock logo
ONC
BeOne Medicines
$358.26
-1.2%
2.08%592,922
13
Insmed, Inc. stock logo
INSM
Insmed
$126.29
-0.3%
1.81%1,598,820
14
Incyte Corporation stock logo
INCY
Incyte
$126.75
-1.0%
1.75%1,474,073
15
United Therapeutics Corporation stock logo
UTHR
United Therapeutics
$487.61
-0.5%
1.50%305,616
16
Roivant Sciences Ltd. stock logo
ROIV
Roivant Sciences
$34.93
+1.5%
1.27%3,845,068
17
Genmab A/S Sponsored ADR stock logo
GMAB
Genmab A/S
$33.60
-2.4%
1.23%3,889,625
18
Ascendis Pharma A/S stock logo
ASND
Ascendis Pharma A/S
$270.56
-0.2%
1.09%460,466
19
Neurocrine Biosciences, Inc. stock logo
NBIX
Neurocrine Biosciences
$155.64
-1.7%
1.08%735,710
20
Charles River Laboratories International, Inc. stock logo
CRL
Charles River Laboratories International
$289.40
-1.3%
0.99%354,447
21
Medpace Holdings, Inc. stock logo
MEDP
Medpace
$591.29
-0.4%
0.98%171,339
22
Exelixis, Inc. stock logo
EXEL
Exelixis
$59.01
-0.2%
0.94%1,813,953
23
BridgeBio Pharma, Inc. stock logo
BBIO
BridgeBio Pharma
$74.84
-0.8%
0.92%1,259,097
24
Halozyme Therapeutics, Inc. stock logo
HALO
Halozyme Therapeutics
$110.19
-0.5%
0.88%874,258
25
BioMarin Pharmaceutical Inc. stock logo
BMRN
BioMarin Pharmaceutical
$66.53
+0.2%
0.88%1,417,301

IBB Geographic Exposure

IBB's largest geographic exposure is United States at 93.0%, followed by Bermuda at 1.2%.

  • United States
    93.0%
  • Bermuda
    1.2%
  • Denmark
    1.2%
  • Canada
    1.1%
  • Ireland
    0.7%
  • Switzerland
    0.4%
  • Netherlands
    0.3%
  • Virgin Islands, British
    0.1%
  • 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 96.6%, followed by Energy at 0.1%.

  • Health Care
    96.6%
  • Energy
    0.1%

IBB Industry Exposure

IBB's largest industry exposure is Biotechnology at 83.4%, followed by Health Care Equipment & Supplies at 4.4%.

  • Biotechnology
    83.4%
  • Health Care Equipment & Supplies
    4.4%
  • Health Care Providers & Services
    4.1%
  • Pharmaceuticals
    2.1%
  • Life Sciences Tools & Services
    1.6%
  • Diversified Consumer Services
    1.0%
  • Renewable Energy
    0.1%

IBB Sub-Industry Exposure

IBB's largest sub-industry exposure is Biotechnology at 78.1%, followed by Life Sciences Tools & Services at 6.6%.

  • Biotechnology
    78.1%
  • Life Sciences Tools & Services
    6.6%
  • Health Care Services
    4.1%
  • Pharmaceuticals
    3.0%
  • Health Care Equipment
    0.4%
  • Renewable Energy Equipment
    0.1%

IBB Coupon Exposure

IBB's largest coupon exposure is 0-2 at 99.9%, followed by 2-4 at 0.1%.

  • 0-2
    99.9%
  • 2-4
    0.1%

IBB Maturity Exposure

IBB's largest maturity exposure is 20-30 at 0.1%, followed by 0-1 at 0.0%.

  • 20-30
    0.1%

Related Companies and Tools


MarketBeat tracks iShares Biotechnology ETF holdings and portfolio composition, last updated on 9/3/2026.
From Our Partners