Fund Overlap

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


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77

Number of overlapping holdings

40.1%

% of IBB's 212 holdings also in BBC

74.8%

% of BBC's 122 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
VAXCYTE, INC. 1.1% 0.9% 0.9%
REVOLUTION MEDICINES, INC. 0.6% 0.9% 0.6%
CYTOKINETICS INC 0.6% 0.9% 0.6%
CRINETICS PHARMACEUTICALS INC 0.5% 0.9% 0.5%
NUVALENT, INC. CLASS A 0.4% 0.8% 0.4%

Position Highlights (Non-Overlapping Exposures)
IBB Overweight Relative to BBC
GILEAD SCIENCES INC 9.9%
VERTEX PHARMACEUTICALS INC 8.0%
AMGEN INC 6.9%
REGENERON PHARMACEUTICALS 5.3%
IQVIA HOLDINGS INC 3.7%
ALNYLAM PHARMACEUTICALS INC 3.2%
ARGENX SE ADR 3.1%
METTLER-TOLEDO INTERNATIONAL 2.7%
BIONTECH SE SPONSORED ADR 2.5%
ILLUMINA INC 2.3%
IBB Underweight Relative to BBC
MORPHIC HOLDING, INC. -1.5%
LONGBOARD PHARMACEUTICALS, INC. -1.4%
ACELYRIN, INC. -1.2%
ORIC PHARMACEUTICALS INC -1.1%
UNIQURE N.V. -1.1%
ANAPTYSBIO, INC. -1.1%
ERASCA, INC. -1.1%
IGM BIOSCIENCES, INC. -1.1%
ALECTOR, INC. -1.0%
NEUMORA THERAPEUTICS, INC. -1.0%
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