iShares Biotechnology ETF (IBB) Holdings List

$207.41 +4.16 (+2.05%)

Closing price 10/15/2026 04:00 PM Eastern

Extended Trading

$207.28 -0.13 (-0.07%)

As of 10/15/2026 07:54 PM Eastern

What stocks does IBB hold?

The iShares Biotechnology ETF (IBB) has 248 holdings, with Gilead Sciences, Amgen, and Vertex Pharmaceuticals among its largest positions. The top 25 IBB holdings ordered by weight make up 69.78% 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

Rank	Company	Current Price	Weight	Shares Held
1	GILD Gilead Sciences	$157.37 +2.5%	8.24%	5,844,392
2	AMGN Amgen	$434.03 +1.9%	7.89%	1,988,326
3	VRTX Vertex Pharmaceuticals	$508.75 +2.1%	7.62%	1,570,021
4	REGN Regeneron Pharmaceuticals	$796.34 +2.3%	5.34%	749,729
5	MRNA Moderna	$236.50 +4.5%	5.21%	2,763,636
6	NTRA Natera	$404.79 +2.5%	3.87%	1,018,489
7	ARGX argenex	$846.27 +3.4%	3.75%	420,447
8	ILMN Illumina	$267.93 -1.4%	2.93%	1,139,305
9	RVMD Revolution Medicines	$189.26 -2.2%	2.81%	1,458,447
10	BIIB Biogen	$235.35 +1.1%	2.37%	1,109,438
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11	ONC BeOne Medicines	$374.08 +6.4%	2.22%	636,467
12	ALNY Alnylam Pharmaceuticals	$234.03 +4.3%	2.17%	1,009,066
13	INCY Incyte	$113.27 +1.5%	1.66%	1,520,187
14	UTHR United Therapeutics	$541.51 +0.3%	1.64%	313,640
15	INSM Insmed	$99.21 +1.5%	1.59%	1,627,414
16	GMAB Genmab A/S	$37.82 +2.5%	1.47%	4,191,275
17	ROIV Roivant Sciences	$34.04 +1.2%	1.32%	3,965,336
18	NBIX Neurocrine Biosciences	$136.95 +0.8%	1.05%	760,281
19	CRL Charles River Laboratories International	$306.51 +1.5%	1.03%	357,164
20	ASND Ascendis Pharma A/S	$226.62 -0.2%	1.02%	466,463
21	EXEL Exelixis	$62.83 +3.0%	1.02%	1,815,002
22	MEDP Medpace	$628.60 +1.9%	0.99%	170,007
23	HALO Halozyme Therapeutics	$121.51 +4.0%	0.90%	849,507
24	BBIO BridgeBio Pharma	$67.13 +3.4%	0.85%	1,325,024
25	TECH Bio-Techne	$72.52 +0.0%	0.82%	1,180,037

IBB Geographic Exposure

IBB's largest geographic exposure is United States at 94.4%, followed by Bermuda at 1.3%.

United States
94.4%
Bermuda
1.3%
Denmark
1.0%
Canada
1.0%
Ireland
0.6%
Switzerland
0.3%
Netherlands
0.2%
Israel
0.1%
Jersey
0.1%
Virgin Islands, British
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 97.5%, followed by Energy at 0.1%.

Health Care
97.5%
Energy
0.1%
Materials
0.1%

IBB Industry Exposure

IBB's largest industry exposure is Biotechnology at 82.7%, followed by Health Care Equipment & Supplies at 5.2%.

Biotechnology
82.7%
Health Care Equipment & Supplies
5.2%
Health Care Providers & Services
5.0%
Life Sciences Tools & Services
1.8%
Pharmaceuticals
1.8%
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 77.6%, followed by Life Sciences Tools & Services at 7.7%.

Biotechnology
77.6%
Life Sciences Tools & Services
7.7%
Health Care Services
5.0%
Pharmaceuticals
2.5%
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%

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MarketBeat tracks iShares Biotechnology ETF holdings and portfolio composition, last updated on 10/9/2026.

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iShares Biotechnology ETF (IBB) Holdings List