Fund Overlap

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


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89

Number of overlapping holdings

40.5%

% of IBB's 258 holdings also in BBC

85.6%

% of BBC's 125 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
REVOLUTION MEDICINES, INC. 0.8% 0.9% 0.8%
VAXCYTE, INC. 0.5% 0.8% 0.5%
AVIDITY BIOSCIENCES INC 0.5% 0.9% 0.5%
CYTOKINETICS INC 0.4% 0.9% 0.4%
AKERO THERAPEUTICS, INC. 0.4% 1.5% 0.4%

Position Highlights (Non-Overlapping Exposures)
IBB Overweight Relative to BBC
GILEAD SCIENCES INC 8.6%
AMGEN INC 8.2%
VERTEX PHARMACEUTICALS INC 8.2%
REGENERON PHARMACEUTICALS 5.9%
ALNYLAM PHARMACEUTICALS INC 4.2%
IQVIA HOLDINGS INC 3.0%
ARGENX SE ADR 2.8%
METTLER-TOLEDO INTERNATIONAL 2.8%
NATERA INC 2.4%
WATERS CORP 2.4%
IBB Underweight Relative to BBC
LIQUIDIA TECHNOLOGIES, INC. -1.4%
XERIS PHARMACEUTICALS INC -1.3%
SANA BIOTECHNOLOGY, INC. -1.2%
PROTHENA CORP PLC -1.1%
ALLOGENE THERAPEUTICS, INC. -1.1%
AKERO THERAPEUTICS, INC. -1.0%
VERVE THERAPEUTICS, INC. -1.0%
ARCUTIS BIOTHERAPEUTICS INC -1.0%
DIANTHUS THERAPEUTICS INC -1.0%
VIR BIOTECHNOLOGY, INC. -1.0%
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