Fund Overlap

See which holdings any two equity ETFs have in common, along with top differences in exposure.


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OVERLAP
61%

OVERLAP
BY WEIGHT
20

# OF OVERLAPPING
HOLDINGS
BBH
27
HOLDINGS
83%
ALSO IN IBB
IBB
258
HOLDINGS
10%
ALSO IN BBH
SECTOR DRIFT (BBH minus IBB)
OVERLAPPING HOLDINGS

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Company Weight
in BBH
Weight
in IBB
Overlap
GILEAD SCIENCES INC 17.0% 9.7% 9.7%
AMGEN INC 16.8% 8.9% 8.9%
VERTEX PHARMACEUTICALS INC 9.1% 8.8% 8.8%
REGENERON PHARMACEUTICALS 7.5% 6.8% 6.8%
ALNYLAM PHARMACEUTICALS INC 3.5% 3.6% 3.5%
BBH Overweight Relative to IBB
AMGEN INC 7.9%
GILEAD SCIENCES INC 7.3%
IQVIA HOLDINGS INC 3.6%
EXACT SCIENCES CORP 2.1%
ICON PLC 1.9%
ARGENX SE ADR 1.5%
NATERA INC 1.3%
BEIGENE LTD. SPONSORED ADR 1.3%
BIONTECH SE SPONSORED ADR 1.3%
QIAGEN NV 1.3%
BBH Underweight Relative to IBB
REVOLUTION MEDICINES, INC. -1.4%
GENMAB A/S SPONSORED ADR -1.3%
IONIS PHARMACEUTICALS, INC. -1.2%
MEDPACE HOLDINGS, INC. -1.0%
EXELIXIS INC -1.0%
BRIDGEBIO PHARMA, INC. -1.0%
ROIVANT SCIENCES LTD. -1.0%
ASCENDIS PHARMA A/S -0.9%
AVIDITY BIOSCIENCES INC -0.9%
MADRIGAL PHARMACEUTICALS, INC. -0.8%
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