Fund Overlap

See which holdings any two equity ETFs have in common, along with top differences in exposure.


For overlap across multiple ETFs use Portfolio Builder   
OVERLAP
40%

OVERLAP
BY WEIGHT
117

# OF OVERLAPPING
HOLDINGS
IBB
257
HOLDINGS
57%
ALSO IN XBI
XBI
137
HOLDINGS
88%
ALSO IN IBB
SECTOR DRIFT (IBB minus XBI)
OVERLAPPING HOLDINGS

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Company Weight
in IBB
Weight
in XBI
Overlap
MODERNA, INC. 1.7% 2.2% 1.7%
AMGEN INC 8.7% 1.5% 1.5%
GILEAD SCIENCES INC 9.4% 1.5% 1.5%
REVOLUTION MEDICINES, INC. 1.4% 1.6% 1.4%
VERTEX PHARMACEUTICALS INC 8.8% 1.3% 1.3%
IBB Overweight Relative to XBI
GILEAD SCIENCES INC 7.9%
VERTEX PHARMACEUTICALS INC 7.4%
AMGEN INC 7.3%
REGENERON PHARMACEUTICALS 5.5%
ALNYLAM PHARMACEUTICALS INC 2.6%
ARGENX SE ADR 2.6%
BEIGENE LTD. SPONSORED ADR 1.8%
INSMED INC 1.7%
ILLUMINA INC 1.6%
NATERA INC 1.2%
IBB Underweight Relative to XBI
CELCUITY INC. -1.3%
ABBVIE INC -1.2%
EXACT SCIENCES CORP -1.2%
ARCELLX, INC. -1.2%
TG THERAPEUTICS INC -1.2%
AMICUS THERAPEUTICS INC -1.1%
VIKING THERAPEUTICS, INC. -1.1%
MIRUM PHARMACEUTICALS, INC. -1.1%
VAXCYTE, INC. -1.1%
CG ONCOLOGY, INC. -1.0%
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