IBB Holdings Information

IBB is an equity ETF with a total of 259 individual holdings. The top holdings are Gilead Sciences stock at 7.86%, Amgen at 7.83%, Vertex Pharmaceuticals at 7.60%, Regeneron Pharmaceuticals at 7.25%, and Alnylam Pharmaceuticals at 4.03%.

Total Holdings

259

Top 10 Percentage

47.67%

Asset Class

Equity

ETF Category

Health

Assets

7.74B

PE Ratio

21.95

Breakdown by Sector

Top 25 Holdings

No.	Symbol	Name	% Weight	Shares
1	GILD	Gilead Sciences, Inc.	7.86%	4,529,789
2	AMGN	Amgen Inc.	7.83%	1,738,554
3	VRTX	Vertex Pharmaceuticals Incorporated	7.60%	1,358,257
4	REGN	Regeneron Pharmaceuticals, Inc.	7.25%	760,596
5	ALNY	Alnylam Pharmaceuticals, Inc.	4.03%	982,696
6	ARGX	argenx SE	3.06%	342,948
7	INSM	Insmed Incorporated	2.99%	1,592,840
8	BIIB	Biogen Inc.	2.60%	1,094,448
9	NTRA	Natera, Inc.	2.32%	983,679
10	UTHR	United Therapeutics Corporation	2.14%	316,493
11	ONC	BeOne Medicines AG	1.94%	530,793
12	MRNA	Moderna, Inc.	1.73%	2,700,856
13	INCY	Incyte Corporation	1.72%	1,472,501
14	ILMN	Illumina, Inc.	1.69%	1,110,744
15	RVMD	Revolution Medicines, Inc.	1.54%	1,287,917
16	ROIV	Roivant Sciences Ltd.	1.25%	3,653,915
17	NBIX	Neurocrine Biosciences, Inc.	1.21%	729,770
18	GMAB	Genmab A/S	1.19%	3,566,186
19	IONS	Ionis Pharmaceuticals, Inc.	1.13%	1,209,308
20	BBIO	BridgeBio Pharma, Inc.	1.12%	1,242,551
21	MDGL	Madrigal Pharmaceuticals, Inc.	1.03%	155,824
22	EXEL	Exelixis, Inc.	1.01%	1,877,161
23	MEDP	Medpace Holdings, Inc.	0.99%	170,453
24	BMRN	BioMarin Pharmaceutical Inc.	0.99%	1,416,734
25	ASND	Ascendis Pharma A/S	0.96%	341,007

Showing 25 of 259 holdings

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As of Mar 27, 2026