State Street SPDR S&P Biotech ETF (XBI)
NYSEARCA: XBI · Real-Time Price · USD
122.05
+0.86 (0.71%)
At close: Dec 10, 2025, 4:00 PM EST
122.07
+0.02 (0.02%)
After-hours: Dec 10, 2025, 8:00 PM EST

XBI Holdings Information

XBI is an equity ETF with a total of 135 individual holdings. The top holdings are Exact Sciences stock at 2.83%, Revolution Medicines at 2.67%, Avidity Biosciences at 2.36%, Natera at 2.13%, and BridgeBio Pharma at 2.08%.

Total Holdings
25
Top 10 Percentage
21.77%
Asset Class
Equity
ETF Category
Health
Assets
8.05B
PE Ratio
n/a

Sector Allocation

Top 25 Holdings

No.SymbolName WeightShares
1EXASExact Sciences Corporation2.83%2,216,997
2RVMDRevolution Medicines, Inc.2.67%2,712,712
3RNAAvidity Biosciences, Inc.2.36%2,616,874
4NTRANatera, Inc.2.13%715,174
5BBIOBridgeBio Pharma, Inc.2.08%2,292,781
6INSMInsmed Incorporated2.04%832,099
7MDGLMadrigal Pharmaceuticals, Inc.1.97%282,289
8REGNRegeneron Pharmaceuticals, Inc.1.91%218,473
9BIIBBiogen Inc.1.89%851,433
10IONSIonis Pharmaceuticals, Inc.1.89%1,897,307
11PRAXPraxis Precision Medicines, Inc.1.85%566,749
12UTHRUnited Therapeutics Corporation1.84%306,244
13ROIVRoivant Sciences Ltd.1.82%7,066,487
14MRNAModerna, Inc.1.78%4,994,978
15AMGNAmgen Inc.1.73%435,996
16VRTXVertex Pharmaceuticals Incorporated1.72%312,531
17EXELExelixis, Inc.1.70%3,220,948
18INCYIncyte Corporation1.69%1,407,792
19NBIXNeurocrine Biosciences, Inc.1.68%859,765
20CRSPCRISPR Therapeutics AG1.68%2,327,541
21ABBVAbbVie Inc.1.62%573,749
22GILDGilead Sciences, Inc.1.59%1,053,595
23KRYSKrystal Biotech, Inc.1.55%522,566
24BMRNBioMarin Pharmaceutical Inc.1.51%2,227,990
25ARWRArrowhead Pharmaceuticals, Inc.1.50%1,725,374
Showing 25 of 135 holdings
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As of Dec 9, 2025