| 1 | GILD | Gilead Sciences, Inc. | 7.84% |
| 2 | AMGN | Amgen Inc. | 7.21% |
| 3 | VRTX | Vertex Pharmaceuticals Incorporated | 6.43% |
| 4 | REGN | Regeneron Pharmaceuticals, Inc. | 6.42% |
| 5 | ALNY | Alnylam Pharmaceuticals, Inc. | 5.92% |
| 6 | IQV | IQVIA Holdings Inc. | 3.58% |
| 7 | MTD | Mettler-Toledo International Inc. | 3.01% |
| 8 | ARGX | argenx SE | 2.73% |
| 9 | INSM | Insmed Incorporated | 2.40% |
| 10 | NTRA | Natera, Inc. | 2.24% |
| 11 | BIIB | Biogen Inc. | 2.17% |
| 12 | WAT | Waters Corporation | 1.94% |
| 13 | ONC | BeOne Medicines Ltd. | 1.88% |
| 14 | BNTX | BioNTech SE | 1.85% |
| 15 | INCY | Incyte Corporation | 1.80% |
| 16 | ILMN | Illumina, Inc. | 1.71% |
| 17 | UTHR | United Therapeutics Corporation | 1.50% |
| 18 | NBIX | Neurocrine Biosciences, Inc. | 1.38% |
| 19 | BMRN | BioMarin Pharmaceutical Inc. | 1.21% |
| 20 | MEDP | Medpace Holdings, Inc. | 1.20% |
| 21 | EXEL | Exelixis, Inc. | 1.12% |
| 22 | MRNA | Moderna, Inc. | 1.01% |
| 23 | GMAB | Genmab A/S | 1.01% |
| 24 | TECH | Bio-Techne Corporation | 0.93% |
| 25 | BBIO | BridgeBio Pharma, Inc. | 0.89% |
| View IBB holdings |