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
12%
OVERLAP
BY WEIGHT
76
# OF OVERLAPPING
HOLDINGS
IBB
247
HOLDINGS
36%
ALSO IN BBC
BBC
111
HOLDINGS
86%
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. | 1.1% | 1.1% | 1.1% |
|
AVIDITY BIOSCIENCES INC | 0.8% | 1.3% | 0.8% |
|
ARROWHEAD PHARMACEUTICALS, INC. | 0.7% | 2.0% | 0.7% |
|
CYTOKINETICS INC | 0.6% | 1.1% | 0.6% |
|
VAXCYTE, INC. | 0.5% | 0.8% | 0.5% |
IBB Overweight Relative to BBC
|
VERTEX PHARMACEUTICALS INC | 7.6% |
|
AMGEN INC | 7.4% |
|
GILEAD SCIENCES INC | 7.0% |
|
REGENERON PHARMACEUTICALS | 6.2% |
|
ALNYLAM PHARMACEUTICALS INC | 4.8% |
|
INSMED INC | 3.5% |
 |
ARGENX SE ADR | 3.3% |
|
IQVIA HOLDINGS INC | 3.2% |
|
NATERA INC | 2.7% |
 |
METTLER-TOLEDO INTERNATIONAL | 2.4% |
IBB Underweight Relative to BBC
|
CELCUITY INC. | -4.5% |
|
TERNS PHARMACEUTICALS, INC. | -3.8% |
|
OLEMA PHARMACEUTICALS, INC. | -3.8% |
|
COGENT BIOSCIENCES INC | -2.8% |
|
NUVATION BIO INC CLASS A | -2.3% |
|
MONTE ROSA THERAPEUTICS, INC. | -1.8% |
|
ARCUS BIOSCIENCES, INC. | -1.4% |
|
SAVARA INC | -1.4% |
|
MINERALYS THERAPEUTICS, INC. | -1.4% |
|
STOKE THERAPEUTICS, INC. | -1.3% |