Fund Overlap

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


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81

Number of overlapping holdings

40.3%

% of IBB's 219 holdings also in BBC

81.8%

% of BBC's 105 holdings also in IBB

Overlap by Weight
Sector Drift (IBB minus BBC)
Overlapping Holdings

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Company Weight
in IBB
Weight
in BBC
Overlap
CYTOKINETICS INC 0.7% 1.3% 0.7%
VAXCYTE, INC. 0.7% 0.8% 0.7%
REVOLUTION MEDICINES, INC. 0.5% 0.8% 0.5%
KRYSTAL BIOTECH, INC. 0.4% 1.0% 0.4%
MADRIGAL PHARMACEUTICALS, INC. 0.4% 0.7% 0.4%

Position Highlights (Non-Overlapping Exposures)
IBB Overweight Relative to BBC
AMGEN INC 8.7%
VERTEX PHARMACEUTICALS INC 8.3%
REGENERON PHARMACEUTICALS 8.2%
GILEAD SCIENCES INC 8.2%
IQVIA HOLDINGS INC 4.4%
MODERNA, INC. 3.7%
BIOGEN IDEC INC 3.0%
METTLER-TOLEDO INTERNATIONAL 2.7%
ILLUMINA INC 2.0%
ALNYLAM PHARMACEUTICALS INC 2.0%
IBB Underweight Relative to BBC
VIKING THERAPEUTICS, INC. -3.0%
VERA THERAPEUTICS, INC. CLASS A -2.1%
SANA BIOTECHNOLOGY, INC. -1.8%
DYNE THERAPEUTICS INC -1.5%
AVIDITY BIOSCIENCES INC -1.5%
CULLINAN ONCOLOGY, INC. -1.4%
LIQUIDIA TECHNOLOGIES, INC. -1.3%
IGM BIOSCIENCES, INC. -1.3%
MACROGENICS INC -1.3%
AEGLEA BIOTHERAPEUTICS INC -1.2%
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