iShares Biotechnology ETF (IBB)
NASDAQ: IBB · Real-Time Price · USD
209.54
-2.01 (-0.95%)
Oct 22, 2026, 4:00 PM EDT - Market closed

IBB Holdings Information

IBB is an equity ETF with a total of 248 individual holdings. The top holdings are Gilead Sciences stock at 8.49%, Amgen at 8.10%, Vertex Pharmaceuticals at 7.50%, Moderna at 6.21%, and Regeneron Pharmaceuticals at 5.62%.

Total Holdings
248
Top 10 Percentage
51.13%
Asset Class
Equity
ETF Category
Health
Assets
10.93B
PE Ratio
28.02

Breakdown by Country

Top 25 Holdings

Oct 20, 2026
No.SymbolNameWeight% Weight SharesStock Price% Change
1GILDGilead Sciences, Inc.8.49%5,924,290157.192.36%
2AMGNAmgen Inc.8.10%2,015,514447.282.04%
3VRTXVertex Pharmaceuticals Incorporated7.50%1,591,483535.172.03%
4MRNAModerna, Inc.6.21%2,801,422202.63-17.57%
5REGNRegeneron Pharmaceuticals, Inc.5.62%759,977819.091.67%
6NTRANatera, Inc.3.84%1,032,419401.37-2.91%
7ARGXargenx SE3.39%426,201875.76-1.61%
8ILMNIllumina, Inc.2.83%1,154,887269.40-4.76%
9RVMDRevolution Medicines, Inc.2.66%1,478,383187.69-3.39%
10BIIBBiogen Inc.2.50%1,124,600253.845.34%
11ONCBeOne Medicines AG2.27%645,175382.27-1.08%
12ALNYAlnylam Pharmaceuticals, Inc.2.16%1,022,856227.280.97%
13INCYIncyte Corporation1.64%1,540,977116.933.08%
14UTHRUnited Therapeutics Corporation1.61%317,924584.793.78%
15GMABGenmab A/S1.52%4,248,57740.001.09%
16INSMInsmed Incorporated1.44%1,649,66095.061.08%
17ROIVRoivant Sciences Ltd.1.28%4,019,54437.451.77%
18EXELExelixis, Inc.1.08%1,839,81065.311.13%
19CRLCharles River Laboratories International, Inc.1.05%362,050339.66-1.51%
20ASNDAscendis Pharma A/S1.01%472,847242.991.71%
21NBIXNeurocrine Biosciences, Inc.1.00%770,669143.291.40%
22MEDPMedpace Holdings, Inc.0.98%172,331653.96-1.29%
23HALOHalozyme Therapeutics, Inc.0.98%861,127124.54-0.23%
24BBIOBridgeBio Pharma, Inc.0.83%1,343,14068.120.56%
25TECHBio-Techne Corporation0.79%1,196,16572.62-0.03%
Showing 25 of 248 holdings
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