iShares Biotechnology ETF (IBB)
NASDAQ: IBB · Real-Time Price · USD
168.67
-4.30 (-2.49%)
At close: Mar 5, 2026, 4:00 PM EST
167.54
-1.13 (-0.67%)
After-hours: Mar 5, 2026, 6:16 PM EST

IBB Holdings Information

IBB is an equity ETF with a total of 260 individual holdings. The top holdings are Gilead Sciences stock at 9.61%, Vertex Pharmaceuticals at 8.95%, Amgen at 8.93%, Regeneron Pharmaceuticals at 6.78%, and Alnylam Pharmaceuticals at 3.61%.

Total Holdings
260
Top 10 Percentage
49.83%
Asset Class
Equity
ETF Category
Health
Assets
8.78B
PE Ratio
22.86

Breakdown by Sector

Top 25 Holdings

No.SymbolName WeightShares
1GILDGilead Sciences, Inc.9.61%5,472,252
2VRTXVertex Pharmaceuticals Incorporated8.95%1,588,124
3AMGNAmgen Inc.8.93%1,993,356
4REGNRegeneron Pharmaceuticals, Inc.6.78%744,274
5ALNYAlnylam Pharmaceuticals, Inc.3.61%954,436
6INSMInsmed Incorporated2.70%1,546,876
7ARGXargenx SE2.65%297,696
8NTRANatera, Inc.2.38%966,035
9BIIBBiogen Inc.2.35%1,077,186
10ONCBeOne Medicines AG1.88%531,831
11UTHRUnited Therapeutics Corporation1.81%305,506
12ILMNIllumina, Inc.1.68%1,092,368
13INCYIncyte Corporation1.66%1,428,323
14MRNAModerna, Inc.1.51%2,549,284
15RVMDRevolution Medicines, Inc.1.45%1,215,858
16GMABGenmab A/S1.19%3,616,587
17NBIXNeurocrine Biosciences, Inc.1.11%714,034
18IONSIonis Pharmaceuticals, Inc.1.09%1,168,374
19ROIVRoivant Sciences Ltd.1.05%3,182,833
20ASNDAscendis Pharma A/S0.97%340,741
21BMRNBioMarin Pharmaceutical Inc.0.97%1,392,360
22BBIOBridgeBio Pharma, Inc.0.93%1,210,248
23EXELExelixis, Inc.0.92%1,909,867
24MEDPMedpace Holdings, Inc.0.92%166,204
25USDUSD CASH0.91%76,895,683
Showing 25 of 260 holdings
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As of Mar 3, 2026