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
79
# OF OVERLAPPING
HOLDINGS
IBB
251
HOLDINGS
37%
ALSO IN BBC
BBC
132
HOLDINGS
77%
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. | 2.6% | 0.8% | 0.8% |
|
VAXCYTE, INC. | 0.6% | 0.8% | 0.6% |
|
SPYRE THERAPEUTICS INC | 0.6% | 0.8% | 0.6% |
|
KYMERA THERAPEUTICS, INC. | 0.5% | 0.8% | 0.5% |
|
APOGEE THERAPEUTICS, INC. | 0.4% | 0.7% | 0.4% |
IBB Overweight Relative to BBC
|
VERTEX PHARMACEUTICALS INC | 8.0% |
|
AMGEN INC | 8.0% |
|
GILEAD SCIENCES INC | 7.3% |
|
REGENERON PHARMACEUTICALS | 5.2% |
 |
ARGENX SE ADR | 3.9% |
|
ALNYLAM PHARMACEUTICALS INC | 3.1% |
|
NATERA INC | 2.7% |
|
BIOGEN IDEC INC | 2.4% |
|
ILLUMINA INC | 2.1% |
|
MODERNA, INC. | 2.0% |
IBB Underweight Relative to BBC
 |
UNIQURE N.V. | -1.0% |
|
REZOLUTE INC | -0.9% |
|
ROCKET PHARMACEUTICALS, INC. | -0.9% |
|
ADAGIO THERAPEUTICS, INC. | -0.8% |
|
PRIME MEDICINE, INC. | -0.8% |
|
REGENXBIO, INC. | -0.8% |
|
SANA BIOTECHNOLOGY, INC. | -0.8% |
|
JADE BIOSCIENCES INC | -0.8% |
|
CAPRICOR THERAPEUTICS, INC. | -0.8% |
|
LEXEO THERAPEUTICS, INC. | -0.8% |