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
15%
OVERLAP
BY WEIGHT
16
# OF OVERLAPPING
HOLDINGS
IBB
260
HOLDINGS
8%
ALSO IN QQQJ
QQQJ
99
HOLDINGS
16%
ALSO IN IBB
SECTOR DRIFT (IBB minus QQQJ)
OVERLAPPING HOLDINGS
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| Company | Weight in IBB |
Weight in QQQJ |
Overlap | |
|---|---|---|---|---|
 |
ALNYLAM PHARMACEUTICALS INC | 4.5% | 3.2% | 3.2% |
|
INSMED INC | 3.2% | 1.8% | 1.8% |
 |
ARGENX SE ADR | 2.8% | 1.3% | 1.3% |
|
NATERA INC | 2.7% | 1.2% | 1.2% |
|
UNITED THERAPEUTICS CORP | 1.7% | 1.1% | 1.1% |
IBB Overweight Relative to QQQJ
|
VERTEX PHARMACEUTICALS INC | 8.7% |
|
GILEAD SCIENCES INC | 7.8% |
|
AMGEN INC | 7.6% |
|
REGENERON PHARMACEUTICALS | 7.0% |
|
BIOGEN IDEC INC | 2.4% |
|
BEIGENE LTD. SPONSORED ADR | 2.1% |
|
REVOLUTION MEDICINES, INC. | 1.7% |
 |
GENMAB A/S SPONSORED ADR | 1.5% |
|
ARGENX SE ADR | 1.5% |
|
NATERA INC | 1.4% |
IBB Underweight Relative to QQQJ
 |
SEAGATE TECHNOLOGY HOLDINGS PLC | -2.9% |
|
WESTERN DIGITAL CORP | -2.4% |
|
MONOLITHIC POWER SYSTEMS INC | -2.3% |
|
EBAY INC | -2.2% |
|
SUPER MICRO COMPUTER, INC. | -1.6% |
|
UNITED CONTINENTAL HOLDINGS | -1.6% |
|
TRACTOR SUPPLY COMPANY | -1.6% |
|
EXPEDIA GROUP INC | -1.4% |
|
CHESAPEAKE ENERGY CORP | -1.4% |
|
VERISIGN INC | -1.4% |