iShares Biotechnology ETF (IBB)
NASDAQ: IBB · Real-Time Price · USD
209.77
+0.52 (0.25%)
At close: Sep 25, 2026, 4:00 PM EDT
209.75
-0.02 (-0.01%)
After-hours: Sep 25, 2026, 7:55 PM EDT

IBB Holdings Information

IBB is an equity ETF with a total of 248 individual holdings. The top holdings are Gilead Sciences stock at 8.16%, Vertex Pharmaceuticals at 7.65%, Amgen at 7.53%, Regeneron Pharmaceuticals at 5.57%, and Moderna at 5.02%.

Total Holdings
248
Top 10 Percentage
49.58%
Asset Class
Equity
ETF Category
Health
Assets
10.55B
PE Ratio
25.20

Breakdown by Country

Top 25 Holdings

No.SymbolName WeightShares
1GILDGilead Sciences, Inc.8.16%5,793,029
2VRTXVertex Pharmaceuticals Incorporated7.65%1,556,224
3AMGNAmgen Inc.7.53%1,970,848
4REGNRegeneron Pharmaceuticals, Inc.5.57%743,141
5MRNAModerna, Inc.5.02%2,739,345
6NTRANatera, Inc.3.88%1,009,534
7ARGXargenx SE3.77%416,748
8ILMNIllumina, Inc.2.91%1,129,288
9RVMDRevolution Medicines, Inc.2.72%1,445,631
10ALNYAlnylam Pharmaceuticals, Inc.2.35%1,000,201
11BIIBBiogen Inc.2.34%1,099,691
12ONCBeOne Medicines AG2.14%630,869
13INSMInsmed Incorporated1.85%1,613,113
14INCYIncyte Corporation1.77%1,506,822
15UTHRUnited Therapeutics Corporation1.38%310,886
16GMABGenmab A/S1.36%4,154,438
17ROIVRoivant Sciences Ltd.1.34%3,930,488
18ASNDAscendis Pharma A/S1.00%462,359
19NBIXNeurocrine Biosciences, Inc.0.99%753,603
20MEDPMedpace Holdings, Inc.0.98%168,513
21EXELExelixis, Inc.0.98%1,799,054
22CRLCharles River Laboratories International, Inc.0.98%354,023
23HALOHalozyme Therapeutics, Inc.0.91%842,037
24TWSTTwist Bioscience Corporation0.83%478,126
25BMRNBioMarin Pharmaceutical Inc.0.83%1,432,832
Showing 25 of 248 holdings
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As of Sep 24, 2026