Companies included in IBB
This is IBB's own dated portfolio constitution. Share counts are the calculation basis for constituent revenue and earnings analytics; rounded weights are reference values only. This page shows positions 1–100 of 258.
| Ticker | Issuer | Shares owned | Unit | Reported weight |
|---|---|---|---|---|
| BlackRock Funds III | BlackRock Funds III | 784,655,767.188 | NS | 9.662015% |
| GILD | Gilead Sciences, Inc. | 4,515,707 | NS | 7.748127% |
| AMGN | Amgen, Inc. | 1,733,148 | NS | 7.507492% |
| VRTX | Vertex Pharmaceuticals, Inc. | 1,354,033 | NS | 7.443742% |
| REGN | Regeneron Pharmaceuticals, Inc. | 758,232 | NS | 7.21242% |
| ALNY | Alnylam Pharmaceuticals, Inc. | 979,642 | NS | 3.990492% |
| INSM | Insmed, Inc. | 1,587,887 | NS | 3.196629% |
| ARGX | Argenx SE | 341,883 | NS | 3.073624% |
| BIIB | Biogen, Inc. | 1,091,046 | NS | 2.462512% |
| NTRA | Natera, Inc. | 980,622 | NS | 2.414413% |
| UTHR | United Therapeutics Corp. | 315,509 | NS | 2.303316% |
| BeOne Medicines Ltd. | BeOne Medicines Ltd. | 529,143 | NS | 1.934583% |
| INCY | Incyte Corp. | 1,467,923 | NS | 1.700932% |
| MRNA | Moderna, Inc. | 2,692,459 | NS | 1.683893% |
| ILMN | Illumina, Inc. | 1,107,291 | NS | 1.680295% |
| Revolution Medicines, Inc. | Revolution Medicines, Inc. | 1,283,912 | NS | 1.537187% |
| ROIV | Roivant Sciences Ltd. | 3,642,557 | NS | 1.242189% |
| NBIX | Neurocrine Biosciences, Inc. | 727,502 | NS | 1.179923% |
| Genmab A/S | Genmab A/S | 3,555,098 | NS | 1.174286% |
| BBIO | Bridgebio Pharma, Inc. | 1,238,687 | NS | 1.132448% |
| IONS | Ionis Pharmaceuticals, Inc. | 1,205,549 | NS | 1.114471% |
| MEDP | Medpace Holdings, Inc. | 169,922 | NS | 1.004533% |
| MDGL | Madrigal Pharmaceuticals, Inc. | 155,341 | NS | 1.001105% |
| EXEL | Exelixis, Inc. | 1,871,326 | NS | 0.988114% |
| BMRN | BioMarin Pharmaceutical, Inc. | 1,412,330 | NS | 0.982222% |
| ASND | Ascendis Pharma A/S | 339,948 | NS | 0.957276% |
| PRAX | Praxis Precision Medicines, Inc. | 195,097 | NS | 0.773863% |
| CRL | Charles River Laboratories International, Inc. | 362,165 | NS | 0.769126% |
| ARWR | Arrowhead Pharmaceuticals, Inc. | 975,175 | NS | 0.752752% |
| PCVX | Vaxcyte, Inc. | 1,045,695 | NS | 0.748096% |
| TECH | Bio-Techne Corp. | 1,151,950 | NS | 0.741148% |
| CYTK | Cytokinetics, Inc. | 896,972 | NS | 0.727833% |
| HALO | Halozyme Therapeutics, Inc. | 868,502 | NS | 0.691046% |
| AXSM | Axsome Therapeutics, Inc. | 319,088 | NS | 0.663973% |
| BNTX | BioNTech SE | 599,506 | NS | 0.655993% |
| KRYS | Krystal Biotech, Inc. | 188,966 | NS | 0.600957% |
| PTGX | Protagonist Therapeutics, Inc. | 447,047 | NS | 0.58009% |
| RGEN | Repligen Corp. | 396,896 | NS | 0.575702% |
| KYMR | Kymera Therapeutics, Inc. | 521,385 | NS | 0.53463% |
| ALKS | Alkermes plc | 1,216,662 | NS | 0.529644% |
| RYTM | Rhythm Pharmaceuticals, Inc. | 474,539 | NS | 0.508093% |
| Abivax SA | Abivax SA | 367,461 | NS | 0.503736% |
| PTCT | PTC Therapeutics, Inc. | 593,152 | NS | 0.497515% |
| COGT | Cogent Biosciences, Inc. | 1,009,396 | NS | 0.478312% |
| Arcellx, Inc. | Arcellx, Inc. | 335,814 | NS | 0.474699% |
| Terns Pharmaceuticals, Inc. | Terns Pharmaceuticals, Inc. | 713,848 | NS | 0.463322% |
| Nuvalent, Inc. | Nuvalent, Inc. | 355,481 | NS | 0.448363% |
| MIRM | Mirum Pharmaceuticals, Inc. | 392,677 | NS | 0.446596% |
| TEM | Tempus AI, Inc. | 773,906 | NS | 0.430844% |
| XENE | Xenon Pharmaceuticals, Inc. | 598,390 | NS | 0.428386% |
| Amicus Therapeutics, Inc. | Amicus Therapeutics, Inc. | 2,307,725 | NS | 0.410822% |
| CRSP | CRISPR Therapeutics AG | 663,733 | NS | 0.388712% |
| Apellis Pharmaceuticals, Inc. | Apellis Pharmaceuticals, Inc. | 778,245 | NS | 0.38545% |
| APGE | Apogee Therapeutics, Inc. | 353,520 | NS | 0.36633% |
| SRRK | Scholar Rock Holding Corp. | 593,730 | NS | 0.359338% |
| ACAD | ACADIA Pharmaceuticals, Inc. | 1,251,241 | NS | 0.3429% |
| Bruker Corp. | Bruker Corp. | 764,342 | NS | 0.339889% |
| CRNX | Crinetics Pharmaceuticals, Inc. | 726,428 | NS | 0.324818% |
| CGON | CG oncology, Inc. | 379,295 | NS | 0.316038% |
| SYRE | Spyre Therapeutics, Inc. | 478,909 | NS | 0.297392% |
| ERAS | Erasca, Inc. | 1,384,399 | NS | 0.275766% |
| TARS | Tarsus Pharmaceuticals, Inc. | 297,522 | NS | 0.25695% |
| TWST | Twist Bioscience Corp. | 436,795 | NS | 0.255538% |
| Centessa Pharmaceuticals plc | Centessa Pharmaceuticals plc | 520,762 | NS | 0.254654% |
| IDYA | Ideaya Biosciences, Inc. | 615,636 | NS | 0.25254% |
| DNLI | Denali Therapeutics, Inc. | 1,055,210 | NS | 0.249426% |
| TVTX | Travere Therapeutics, Inc. | 674,600 | NS | 0.246746% |
| IBRX | ImmunityBio, Inc. | 2,572,701 | NS | 0.242933% |
| ARQT | Arcutis Biotherapeutics, Inc. | 814,779 | NS | 0.236329% |
| VCYT | Veracyte, Inc. | 579,343 | NS | 0.229736% |
| GPCR | Structure Therapeutics, Inc. | 381,676 | NS | 0.226487% |
| EWTX | Edgewise Therapeutics, Inc. | 572,192 | NS | 0.221898% |
| TXG | 10X Genomics, Inc. | 841,716 | NS | 0.219997% |
| LEGN | Legend Biotech Corp. | 983,928 | NS | 0.219131% |
| Newamsterdam Pharma Co. NV | Newamsterdam Pharma Co. NV | 537,784 | NS | 0.211931% |
| VERA | Vera Therapeutics, Inc. | 419,778 | NS | 0.207908% |
| DYN | Dyne Therapeutics, Inc. | 917,470 | NS | 0.204782% |
| BEAM | Beam Therapeutics, Inc. | 692,124 | NS | 0.203053% |
| BCRX | BioCryst Pharmaceuticals, Inc. | 1,715,826 | NS | 0.2011% |
| KOD | Kodiak Sciences, Inc. | 422,431 | NS | 0.198249% |
| SRPT | Sarepta Therapeutics, Inc. | 739,607 | NS | 0.198135% |
| CAI | Caris Life Sciences, Inc. | 898,011 | NS | 0.197675% |
| IMVT | Immunovant, Inc. | 626,211 | NS | 0.191502% |
| ADMA | ADMA Biologics, Inc. | 1,711,239 | NS | 0.189818% |
| ADPT | Adaptive Biotechnologies Corp. | 1,105,997 | NS | 0.188993% |
| SMMT | Summit Therapeutics, Inc. | 799,477 | NS | 0.186615% |
| ORKA | Oruka Therapeutics, Inc. | 304,331 | NS | 0.183775% |
| SNDX | Syndax Pharmaceuticals, Inc. | 631,524 | NS | 0.18162% |
| TNGX | Tango Therapeutics, Inc. | 687,885 | NS | 0.177166% |
| RARE | Ultragenyx Pharmaceutical, Inc. | 680,286 | NS | 0.17546% |
| IRON | Disc Medicine, Inc. | 214,889 | NS | 0.169156% |
| AGIO | Agios Pharmaceuticals, Inc. | 400,087 | NS | 0.166632% |
| GRAL | GRAIL, Inc. | 261,045 | NS | 0.166089% |
| DFTX | Definium Therapeutics, Inc. | 703,030 | NS | 0.163583% |
| ZYME | Zymeworks, Inc. | 529,981 | NS | 0.163379% |
| RCUS | Arcus Biosciences, Inc. | 612,355 | NS | 0.162839% |
| BlackRock Funds III | BlackRock Funds III | 12,996,156.43 | NS | 0.159999% |
| AUPH | Aurinia Pharmaceuticals, Inc. | 874,336 | NS | 0.159525% |
| ELVN | Enliven Therapeutics, Inc. | 322,556 | NS | 0.155666% |
| Day One Biopharmaceuticals, Inc. | Day One Biopharmaceuticals, Inc. | 578,773 | NS | 0.152769% |
SEC N-PORT snapshot as of .