iShares Biotechnology ETF (IBB) Holdings List

$209.77 +0.52 (+0.25%)

Closing price 04:00 PM Eastern

Extended Trading

$209.76 -0.01 (-0.01%)

As of 07:57 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 68.10% 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	VRTX Vertex Pharmaceuticals	$526.19 +0.7%	7.95%	1,597,506
2	AMGN Amgen	$414.61 +2.1%	7.73%	2,122,822
3	GILD Gilead Sciences	$150.93 +0.8%	7.38%	5,318,354
4	REGN Regeneron Pharmaceuticals	$788.04 -1.0%	5.83%	772,717
5	MRNA Moderna	$198.88 +2.1%	3.87%	2,782,310
6	ARGX argenex	$959.49 -0.3%	3.78%	397,871
7	NTRA Natera	$412.56 +0.9%	3.32%	1,045,710
8	RVMD Revolution Medicines	$204.97 +2.6%	2.87%	1,457,905
9	ALNY Alnylam Pharmaceuticals	$255.96 +2.6%	2.44%	1,018,132
10	BIIB Biogen	$227.60 +0.5%	2.35%	1,120,795
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11	ILMN Illumina	$270.00 -1.4%	2.30%	1,155,578
12	INSM Insmed	$117.83 -3.1%	2.05%	1,643,991
13	ONC BeOne Medicines	$360.85 +0.2%	2.04%	609,674
14	INCY Incyte	$123.89 -0.4%	1.78%	1,515,732
15	ROIV Roivant Sciences	$35.80 -0.9%	1.56%	3,953,720
16	UTHR United Therapeutics	$475.45 +0.7%	1.51%	314,256
17	GMAB Genmab A/S	$35.32 +1.4%	1.25%	3,999,531
18	ASND Ascendis Pharma A/S	$225.60 -2.2%	1.20%	473,473
19	NBIX Neurocrine Biosciences	$138.40 -0.4%	1.14%	756,503
20	EXEL Exelixis	$58.16 +0.4%	1.01%	1,865,216
21	MEDP Medpace	$618.88 -0.3%	1.00%	176,187
22	CRL Charles River Laboratories International	$292.49 -0.7%	0.98%	364,455
23	HALO Halozyme Therapeutics	$113.90 -1.1%	0.93%	898,950
24	BMRN BioMarin Pharmaceutical	$60.26 -1.8%	0.92%	1,457,351
25	BBIO BridgeBio Pharma	$65.57 -1.1%	0.91%	1,294,669

IBB Geographic Exposure

IBB's largest geographic exposure is United States at 94.0%, followed by Bermuda at 1.4%.

United States
94.0%
Bermuda
1.4%
Canada
1.0%
Denmark
1.0%
Ireland
0.6%
Switzerland
0.4%
Netherlands
0.3%
Virgin Islands, British
0.1%
Israel
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 97.5%, followed by Energy at 0.1%.

Health Care
97.5%
Energy
0.1%

IBB Industry Exposure

IBB's largest industry exposure is Biotechnology at 83.0%, followed by Health Care Equipment & Supplies at 4.9%.

Biotechnology
83.0%
Health Care Equipment & Supplies
4.9%
Health Care Providers & Services
4.7%
Pharmaceuticals
2.0%
Life Sciences Tools & Services
1.9%
Diversified Consumer Services
1.0%
Renewable Energy
0.1%

IBB Sub-Industry Exposure

IBB's largest sub-industry exposure is Biotechnology at 77.7%, followed by Life Sciences Tools & Services at 7.4%.

Biotechnology
77.7%
Life Sciences Tools & Services
7.4%
Health Care Services
4.7%
Pharmaceuticals
2.9%
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 9/15/2026.

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iShares Biotechnology ETF (IBB) Holdings List