iShares Biotechnology ETF (IBB)
NASDAQ: IBB · Real-Time Price · USD
175.37
+1.49 (0.86%)
At close: Feb 27, 2026, 4:00 PM EST
175.23
-0.14 (-0.08%)
After-hours: Feb 27, 2026, 7:51 PM EST

IBB Holdings List

Feb 26, 2026
No.SymbolName WeightShares
1GILDGilead Sciences, Inc.9.16%5,552,354
2VRTXVertex Pharmaceuticals Incorporated8.88%1,611,380
3AMGNAmgen Inc.8.81%2,022,504
4REGNRegeneron Pharmaceuticals, Inc.6.68%755,177
5ALNYAlnylam Pharmaceuticals, Inc.3.68%968,399
6INSMInsmed Incorporated2.70%1,569,521
7ARGXargenx SE2.68%302,052
8NTRANatera, Inc.2.43%980,176
9BIIBBiogen Inc.2.36%1,092,954
10ONCBeOne Medicines AG2.00%539,618
11UTHRUnited Therapeutics Corporation1.79%309,979
12INCYIncyte Corporation1.67%1,449,229
13ILMNIllumina, Inc.1.62%1,108,365
14MRNAModerna, Inc.1.54%2,586,608
15RVMDRevolution Medicines, Inc.1.45%1,233,650
16GMABGenmab A/S1.23%3,669,520
17IONSIonis Pharmaceuticals, Inc.1.10%1,185,471
18NBIXNeurocrine Biosciences, Inc.1.09%724,481
19ROIVRoivant Sciences Ltd.1.06%3,230,019
20BMRNBioMarin Pharmaceutical Inc.0.99%1,412,735
21EXELExelixis, Inc.0.98%1,937,820
22BBIOBridgeBio Pharma, Inc.0.95%1,227,915
23ASNDAscendis Pharma A/S0.91%345,789
24MEDPMedpace Holdings, Inc.0.87%168,635
25RNAAvidity Biosciences, Inc.0.85%1,015,522
As of Feb 26, 2026
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