IBB Holdings Information

IBB is an equity ETF with a total of 255 individual holdings. The top holdings are Gilead Sciences stock at 7.39%, Vertex Pharmaceuticals at 7.38%, Amgen at 7.30%, Regeneron Pharmaceuticals at 5.86%, and Alnylam Pharmaceuticals at 3.59%.

Total Holdings

255

Top 10 Percentage

45.15%

Asset Class

Equity

ETF Category

Health

Assets

7.53B

PE Ratio

21.07

Breakdown by Sector

Top 25 Holdings

No.	Symbol	Name	% Weight	Shares
1	GILD	Gilead Sciences, Inc.	7.39%	4,379,211
2	VRTX	Vertex Pharmaceuticals Incorporated	7.38%	1,312,897
3	AMGN	Amgen Inc.	7.30%	1,680,435
4	REGN	Regeneron Pharmaceuticals, Inc.	5.86%	734,954
5	ALNY	Alnylam Pharmaceuticals, Inc.	3.59%	949,500
6	ARGX	argenx SE	3.51%	331,090
7	NTRA	Natera, Inc.	2.67%	950,535
8	BIIB	Biogen Inc.	2.64%	1,057,602
9	RVMD	Revolution Medicines, Inc.	2.49%	1,244,129
10	ILMN	Illumina, Inc.	2.31%	1,073,338
11	UTHR	United Therapeutics Corporation	2.18%	305,793
12	INSM	Insmed Incorporated	2.11%	1,539,039
13	ONC	BeOne Medicines AG	1.86%	512,994
14	INCY	Incyte Corporation	1.74%	1,422,737
15	MRNA	Moderna, Inc.	1.58%	2,609,057
16	NBIX	Neurocrine Biosciences, Inc.	1.44%	705,151
17	ROIV	Roivant Sciences Ltd.	1.32%	3,527,639
18	EXEL	Exelixis, Inc.	1.16%	1,814,445
19	IONS	Ionis Pharmaceuticals, Inc.	1.13%	1,168,411
20	GMAB	Genmab A/S	1.09%	3,447,323
21	BBIO	BridgeBio Pharma, Inc.	1.01%	1,200,605
22	MEDP	Medpace Holdings, Inc.	0.97%	164,705
23	BMRN	BioMarin Pharmaceutical Inc.	0.97%	1,369,025
24	ASND	Ascendis Pharma A/S	0.95%	331,145
25	AXSM	Axsome Therapeutics, Inc.	0.91%	310,720

Showing 25 of 255 holdings

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As of Jun 2, 2026