Fund Overlap
See which holdings any two equity ETFs have in common, along with top differences in exposure.
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OVERLAP
12%
OVERLAP
BY WEIGHT
12
# OF OVERLAPPING
HOLDINGS
IBB
261
HOLDINGS
6%
ALSO IN GDOC
GDOC
39
HOLDINGS
32%
ALSO IN IBB
SECTOR DRIFT (IBB minus GDOC)
OVERLAPPING HOLDINGS
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| Company | Weight in IBB |
Weight in GDOC |
Overlap | |
|---|---|---|---|---|
 |
ALNYLAM PHARMACEUTICALS INC | 4.5% | 3.2% | 3.2% |
 |
ARGENX SE ADR | 3.0% | 3.0% | 3.0% |
|
NEUROCRINE BIOSCIENCES INC | 1.2% | 2.7% | 1.2% |
|
MADRIGAL PHARMACEUTICALS, INC. | 1.1% | 1.1% | 1.1% |
|
BIOMARIN PHARMACEUTICAL INC | 1.0% | 2.7% | 1.0% |
IBB Overweight Relative to GDOC
|
VERTEX PHARMACEUTICALS INC | 8.7% |
|
GILEAD SCIENCES INC | 8.0% |
|
AMGEN INC | 7.8% |
|
REGENERON PHARMACEUTICALS | 6.9% |
|
INSMED INC | 3.2% |
|
BIOGEN IDEC INC | 2.3% |
|
NATERA INC | 2.2% |
|
BEIGENE LTD. SPONSORED ADR | 2.0% |
|
UNITED THERAPEUTICS CORP | 1.8% |
|
ILLUMINA INC | 1.7% |
IBB Underweight Relative to GDOC
|
BOSTON SCIENTIFIC CORP | -9.0% |
|
ELI LILLY & CO | -8.1% |
|
ABBVIE INC | -6.3% |
|
INSULET CORP | -6.1% |
|
INTUITIVE SURGICAL INC | -5.2% |
|
ABBOTT LABORATORIES | -5.1% |
 |
ASTRAZENECA PLC | -4.4% |
|
MERCK & CO. INC. | -3.6% |
|
UNITEDHEALTH GROUP INC | -3.3% |
 |
LONZA GROUP AG-REG | -3.2% |