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
30%

OVERLAP
BY WEIGHT
43

# OF OVERLAPPING
HOLDINGS
IBB
251
HOLDINGS
20%
ALSO IN GNMX
GNMX
56
HOLDINGS
77%
ALSO IN IBB
SECTOR DRIFT (IBB minus GNMX)
OVERLAPPING HOLDINGS

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Company Weight
in IBB
Weight
in GNMX
Overlap
VERTEX PHARMACEUTICALS INC 8.1% 6.4% 6.4%
MODERNA, INC. 3.7% 6.7% 3.7%
REVOLUTION MEDICINES, INC. 2.8% 3.6% 2.8%
ILLUMINA INC 2.3% 4.0% 2.3%
ALNYLAM PHARMACEUTICALS INC 2.2% 2.6% 2.2%
IBB Overweight Relative to GNMX
AMGEN INC 8.6%
GILEAD SCIENCES INC 7.2%
REGENERON PHARMACEUTICALS 5.9%
ARGENX SE ADR 3.8%
NATERA INC 3.2%
BIOGEN IDEC INC 2.2%
BEIGENE LTD. SPONSORED ADR 2.1%
INSMED INC 1.9%
VERTEX PHARMACEUTICALS INC 1.6%
UNITED THERAPEUTICS CORP 1.5%
IBB Underweight Relative to GNMX
THERMO FISHER SCIENTIFIC INC -8.4%
GUARDANT HEALTH, INC. -3.7%
MODERNA, INC. -3.0%
10X GENOMICS INC CLASS A -2.4%
QIAGEN NV -1.9%
TWIST BIOSCIENCE CORP. -1.9%
ILLUMINA INC -1.7%
IOVANCE BIOTHERAPEUTICS INC -1.7%
UNIQURE N.V. -1.6%
GENMAB A/S SPONSORED ADR -1.6%
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