IBB Holdings Information

IBB is an equity ETF with a total of 256 individual holdings. The top holdings are Gilead Sciences stock at 7.60%, Vertex Pharmaceuticals at 7.37%, Amgen at 7.37%, Regeneron Pharmaceuticals at 6.07%, and Alnylam Pharmaceuticals at 3.65%.

Total Holdings

256

Top 10 Percentage

45.34%

Asset Class

Equity

ETF Category

Health

Assets

8.05B

PE Ratio

21.07

Breakdown by Sector

Top 25 Holdings

No.	Symbol	Name	% Weight	Shares
1	GILD	Gilead Sciences, Inc.	7.60%	4,448,117
2	VRTX	Vertex Pharmaceuticals Incorporated	7.37%	1,333,551
3	AMGN	Amgen Inc.	7.37%	1,706,893
4	REGN	Regeneron Pharmaceuticals, Inc.	6.07%	746,515
5	ALNY	Alnylam Pharmaceuticals, Inc.	3.65%	964,440
6	ARGX	argenx SE	3.45%	336,296
7	BIIB	Biogen Inc.	2.65%	1,074,233
8	NTRA	Natera, Inc.	2.50%	965,492
9	RVMD	Revolution Medicines, Inc.	2.44%	1,263,718
10	UTHR	United Therapeutics Corporation	2.25%	310,596
11	INSM	Insmed Incorporated	2.11%	1,563,257
12	ONC	BeOne Medicines AG	2.06%	521,057
13	ILMN	Illumina, Inc.	2.00%	1,090,219
14	INCY	Incyte Corporation	1.79%	1,445,133
15	MRNA	Moderna, Inc.	1.58%	2,650,102
16	NBIX	Neurocrine Biosciences, Inc.	1.43%	716,260
17	ROIV	Roivant Sciences Ltd.	1.37%	3,583,134
18	GMAB	Genmab A/S	1.20%	3,501,569
19	EXEL	Exelixis, Inc.	1.18%	1,842,985
20	IONS	Ionis Pharmaceuticals, Inc.	1.14%	1,186,797
21	BBIO	BridgeBio Pharma, Inc.	1.07%	1,219,502
22	ASND	Ascendis Pharma A/S	1.05%	334,745
23	MDGL	Madrigal Pharmaceuticals, Inc.	1.01%	152,964
24	BMRN	BioMarin Pharmaceutical Inc.	0.96%	1,390,549
25	AXSM	Axsome Therapeutics, Inc.	0.94%	314,090

Showing 25 of 256 holdings

Subscribe to see the full list

Activate Now

As of May 22, 2026