IBB Holdings Information

IBB is an equity ETF with a total of 262 individual holdings. The top holdings are Gilead Sciences stock at 9.31%, Vertex Pharmaceuticals at 8.87%, Amgen at 8.86%, Regeneron Pharmaceuticals at 6.75%, and Alnylam Pharmaceuticals at 3.61%.

Total Holdings

262

Top 10 Percentage

49.77%

Asset Class

Equity

ETF Category

Health

Assets

8.65B

PE Ratio

24.67

Breakdown by Sector

Top 25 Holdings

No.	Symbol	Name	% Weight	Shares
1	GILD	Gilead Sciences, Inc.	9.31%	5,485,862
2	VRTX	Vertex Pharmaceuticals Incorporated	8.87%	1,592,084
3	AMGN	Amgen Inc.	8.86%	1,998,288
4	REGN	Regeneron Pharmaceuticals, Inc.	6.75%	746,129
5	ALNY	Alnylam Pharmaceuticals, Inc.	3.61%	956,807
6	ARGX	argenx SE	2.81%	298,440
7	INSM	Insmed Incorporated	2.66%	1,550,729
8	BIIB	Biogen Inc.	2.38%	1,079,862
9	NTRA	Natera, Inc.	2.37%	968,440
10	ONC	BeOne Medicines AG	2.17%	533,150
11	UTHR	United Therapeutics Corporation	1.89%	306,271
12	INCY	Incyte Corporation	1.65%	1,431,877
13	ILMN	Illumina, Inc.	1.54%	1,095,093
14	MRNA	Moderna, Inc.	1.51%	2,555,636
15	RVMD	Revolution Medicines, Inc.	1.45%	1,218,878
16	GMAB	Genmab A/S	1.22%	3,625,576
17	IONS	Ionis Pharmaceuticals, Inc.	1.09%	1,171,275
18	NBIX	Neurocrine Biosciences, Inc.	1.08%	715,805
19	ROIV	Roivant Sciences Ltd.	1.05%	3,191,331
20	BMRN	BioMarin Pharmaceutical Inc.	0.99%	1,395,815
21	EXEL	Exelixis, Inc.	0.99%	1,914,612
22	BBIO	BridgeBio Pharma, Inc.	0.93%	1,213,215
23	ASND	Ascendis Pharma A/S	0.90%	341,649
24	RNA	AVIDITY BIOSCIENCES INC	0.85%	1,015,522
25	MEDP	Medpace Holdings, Inc.	0.84%	166,619

Showing 25 of 262 holdings

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As of Feb 25, 2026