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
10%
OVERLAP
BY WEIGHT
88
# OF OVERLAPPING
HOLDINGS
IBB
252
HOLDINGS
41%
ALSO IN BBC
BBC
125
HOLDINGS
85%
ALSO IN IBB
SECTOR DRIFT (IBB minus BBC)
OVERLAPPING HOLDINGS
Top 5 only shown here. Please log-in or sign up for a Basic (Free) membership to view the complete list.
| Company | Weight in IBB |
Weight in BBC |
Overlap | |
|---|---|---|---|---|
 |
REVOLUTION MEDICINES, INC. | 0.6% | 0.9% | 0.6% |
|
AVIDITY BIOSCIENCES INC | 0.6% | 0.9% | 0.6% |
|
CYTOKINETICS INC | 0.5% | 0.9% | 0.5% |
 |
MERUS N.V. | 0.4% | 1.1% | 0.4% |
|
VAXCYTE, INC. | 0.4% | 0.8% | 0.4% |
IBB Overweight Relative to BBC
|
GILEAD SCIENCES INC | 8.1% |
|
AMGEN INC | 7.5% |
|
REGENERON PHARMACEUTICALS | 6.7% |
|
ALNYLAM PHARMACEUTICALS INC | 6.2% |
|
VERTEX PHARMACEUTICALS INC | 6.2% |
|
IQVIA HOLDINGS INC | 3.5% |
 |
METTLER-TOLEDO INTERNATIONAL | 3.0% |
 |
ARGENX SE ADR | 2.9% |
|
NATERA INC | 2.2% |
|
INSMED INC | 2.2% |
IBB Underweight Relative to BBC
|
LIQUIDIA TECHNOLOGIES, INC. | -1.4% |
|
XERIS PHARMACEUTICALS INC | -1.3% |
|
SANA BIOTECHNOLOGY, INC. | -1.2% |
|
VERVE THERAPEUTICS, INC. | -1.1% |
 |
PROTHENA CORP PLC | -1.1% |
|
ALLOGENE THERAPEUTICS, INC. | -1.1% |
|
AKERO THERAPEUTICS, INC. | -1.0% |
|
VIR BIOTECHNOLOGY, INC. | -1.0% |
|
ANAPTYSBIO, INC. | -1.0% |
|
ARCUTIS BIOTHERAPEUTICS INC | -1.0% |