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% |