Fund Overlap
See which holdings any two equity ETFs have in common, along with top differences in exposure.
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OVERLAP
59%
OVERLAP
BY WEIGHT
21
# OF OVERLAPPING
HOLDINGS
IBB
251
HOLDINGS
10%
ALSO IN BBH
BBH
26
HOLDINGS
88%
ALSO IN IBB
SECTOR DRIFT (IBB minus BBH)
OVERLAPPING HOLDINGS
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| Company | Weight in IBB |
Weight in BBH |
Overlap | |
|---|---|---|---|---|
 |
GILEAD SCIENCES INC | 7.5% | 14.1% | 7.5% |
|
VERTEX PHARMACEUTICALS INC | 7.4% | 8.1% | 7.4% |
|
AMGEN INC | 7.2% | 13.9% | 7.2% |
|
REGENERON PHARMACEUTICALS | 5.7% | 6.0% | 5.7% |
|
ALNYLAM PHARMACEUTICALS INC | 3.6% | 3.7% | 3.6% |
IBB Overweight Relative to BBH
 |
ROIVANT SCIENCES LTD. | 1.3% |
|
EXELIXIS INC | 1.2% |
 |
GENMAB A/S SPONSORED ADR | 1.2% |
|
IONIS PHARMACEUTICALS, INC. | 1.1% |
|
BRIDGEBIO PHARMA, INC. | 1.0% |
|
MADRIGAL PHARMACEUTICALS, INC. | 0.9% |
|
MEDPACE HOLDINGS, INC. | 0.9% |
|
ARROWHEAD PHARMACEUTICALS, INC. | 0.9% |
|
AXSOME THERAPEUTICS, INC. | 0.9% |
|
CYTOKINETICS INC | 0.8% |
IBB Underweight Relative to BBH
|
AMGEN INC | -6.7% |
|
GILEAD SCIENCES INC | -6.6% |
|
IQVIA HOLDINGS INC | -4.6% |
 |
ARGENX SE ADR | -2.5% |
|
REVOLUTION MEDICINES, INC. | -2.1% |
|
NATERA INC | -1.7% |
 |
BIONTECH SE SPONSORED ADR | -1.6% |
 |
ICON PLC | -1.6% |
|
UNITED THERAPEUTICS CORP | -1.4% |
|
BIOGEN IDEC INC | -1.3% |