1 period filed. Holdings below describe the selected month only.
NPORT-P · filed 2026-05-28
1 class of this one portfolio · 1 exchange-listed
| Class ID | Symbol | Status | Security in the master | Type |
|---|---|---|---|---|
| C000012080 | IBB | LINKEDSEC_TICKER | IBBiShares Biotechnology ETF | ETF |
as filed
N-PORT Item C.4.b
N-PORT Item C.4.a
258 positions in this filing
| Issuer↕ | In master | CUSIP / ISIN | Asset | Balance↕ | Value↕ | Weight▼ | Country |
|---|---|---|---|---|---|---|---|
| BlackRock Funds III BlackRock Cash Funds: Institutional, SL Agenc… | — | 066922519 US0669225197 | STIV RF |
| $784.81M |
| 9.662% |
| US |
| Gilead Sciences, Inc. | GILD | 375558103 US3755581036 | EC CORP | 4,515,707 NS | $629.35M | 7.748% | US |
| Amgen, Inc. | AMGN | 031162100 US0311621009 | EC CORP | 1,733,148 NS | $609.81M | 7.507% | US |
| Vertex Pharmaceuticals, Inc. | VRTX | 92532F100 US92532F1003 | EC CORP | 1,354,033 NS | $604.63M | 7.444% | US |
| Regeneron Pharmaceuticals, Inc. | REGN | 75886F107 US75886F1075 | EC CORP | 758,232 NS | $585.84M | 7.212% | US |
| Alnylam Pharmaceuticals, Inc. | ALNY | 02043Q107 US02043Q1076 | EC CORP | 979,642 NS | $324.13M | 3.990% | US |
| Insmed, Inc. | INSM | 457669307 US4576693075 | EC CORP | 1,587,887 NS | $259.65M | 3.197% | US |
| Argenx SE | ARGX | 04016X101 US04016X1019 | EC CORP | 341,883 NS | $249.66M | 3.074% | NL |
| Biogen, Inc. | BIIB | 09062X103 US09062X1037 | EC CORP | 1,091,046 NS | $200.02M | 2.463% | US |
| Natera, Inc. | NTRA | 632307104 US6323071042 | EC CORP | 980,622 NS | $196.11M | 2.414% | US |
| United Therapeutics Corp. | UTHR | 91307C102 US91307C1027 | EC CORP | 315,509 NS | $187.09M | 2.303% | US |
| BeOne Medicines Ltd. | ONC | 07725L102 US07725L1026 | EC CORP | 529,143 NS | $157.14M | 1.935% | CH |
| Incyte Corp. | INCY | 45337C102 US45337C1027 | EC CORP | 1,467,923 NS | $138.16M | 1.701% | US |
| Moderna, Inc. | MRNA | 60770K107 US60770K1079 | EC CORP | 2,692,459 NS | $136.78M | 1.684% | US |
| Illumina, Inc. | ILMN | 452327109 US4523271090 | EC CORP | 1,107,291 NS | $136.48M | 1.680% | US |
| Revolution Medicines, Inc. | RVMD | 76155X100 US76155X1000 | EC CORP | 1,283,912 NS | $124.86M | 1.537% | US |
| Roivant Sciences Ltd. | ROIV | — BMG762791017 | EC CORP | 3,642,557 NS | $100.90M | 1.242% | BM |
| Neurocrine Biosciences, Inc. | NBIX | 64125C109 US64125C1099 | EC CORP | 727,502 NS | $95.84M | 1.180% | US |
| Genmab A/S | GMAB | 372303206 US3723032062 | EC CORP | 3,555,098 NS | $95.38M | 1.174% | DK |
| Bridgebio Pharma, Inc. | BBIO | 10806X102 US10806X1028 | EC CORP | 1,238,687 NS | $91.98M | 1.132% | US |
| Ionis Pharmaceuticals, Inc. | IONS | 462222100 US4622221004 | EC CORP | 1,205,549 NS | $90.52M | 1.114% | US |
| Medpace Holdings, Inc. | MEDP | 58506Q109 US58506Q1094 | EC CORP | 169,922 NS | $81.59M | 1.005% | US |
| Madrigal Pharmaceuticals, Inc. | MDGL | 558868105 US5588681057 | EC CORP | 155,341 NS | $81.32M | 1.001% | US |
| Exelixis, Inc. | EXEL | 30161Q104 US30161Q1040 | EC CORP | 1,871,326 NS | $80.26M | 0.988% | US |
| BioMarin Pharmaceutical, Inc. | BMRN | 09061G101 US09061G1013 | EC CORP | 1,412,330 NS | $79.78M | 0.982% | US |
| Ascendis Pharma A/S | — | 04351P101 US04351P1012 | EC CORP | 339,948 NS | $77.76M | 0.957% | DK |
| Praxis Precision Medicines, Inc. | PRAX | 74006W207 US74006W2070 | EC CORP | 195,097 NS | $62.86M | 0.774% | US |
| Charles River Laboratories International, Inc. | CRL | 159864107 US1598641074 | EC CORP | 362,165 NS | $62.47M | 0.769% | US |
| Arrowhead Pharmaceuticals, Inc. | ARWR | 04280A100 US04280A1007 | EC CORP | 975,175 NS | $61.14M | 0.753% | US |
| Vaxcyte, Inc. | PCVX | 92243G108 US92243G1085 | EC CORP | 1,045,695 NS | $60.77M | 0.748% | US |
| Bio-Techne Corp. | TECH | 09073M104 US09073M1045 | EC CORP | 1,151,950 NS | $60.20M | 0.741% | US |
| Cytokinetics, Inc. | CYTK | 23282W605 US23282W6057 | EC CORP | 896,972 NS | $59.12M | 0.728% | US |
| Halozyme Therapeutics, Inc. | HALO | 40637H109 US40637H1095 | EC CORP | 868,502 NS | $56.13M | 0.691% | US |
| Axsome Therapeutics, Inc. | AXSM | 05464T104 US05464T1043 | EC CORP | 319,088 NS | $53.93M | 0.664% | US |
| BioNTech SE | BNTX | 09075V102 US09075V1026 | EC CORP | 599,506 NS | $53.28M | 0.656% | DE |
| Krystal Biotech, Inc. | KRYS | 501147102 US5011471027 | EC CORP | 188,966 NS | $48.81M | 0.601% | US |
| Protagonist Therapeutics, Inc. | PTGX | 74366E102 US74366E1029 | EC CORP | 447,047 NS | $47.12M | 0.580% | US |
| Repligen Corp. | RGEN | 759916109 US7599161095 | EC CORP | 396,896 NS | $46.76M | 0.576% | US |
| Kymera Therapeutics, Inc. | KYMR | 501575104 US5015751044 | EC CORP | 521,385 NS | $43.43M | 0.535% | US |
| Alkermes plc | ALKS | — IE00B56GVS15 | EC CORP | 1,216,662 NS | $43.02M | 0.530% | IE |
| Rhythm Pharmaceuticals, Inc. | RYTM | 76243J105 US76243J1051 | EC CORP | 474,539 NS | $41.27M | 0.508% | US |
| Abivax SA | ABVX | 00370M103 US00370M1036 | EC CORP | 367,461 NS | $40.92M | 0.504% | FR |
| PTC Therapeutics, Inc. | PTCT | 69366J200 US69366J2006 | EC CORP | 593,152 NS | $40.41M | 0.498% | US |
| Cogent Biosciences, Inc. | COGT | 19240Q201 US19240Q2012 | EC CORP | 1,009,396 NS | $38.85M | 0.478% | US |
| Arcellx, Inc. | — | 03940C100 US03940C1009 | EC CORP | 335,814 NS | $38.56M | 0.475% | US |
| Terns Pharmaceuticals, Inc. | — | 880881107 US8808811074 | EC CORP | 713,848 NS | $37.63M | 0.463% | US |
| Nuvalent, Inc. Nuvalent, Inc., Class A | — | 670703107 US6707031075 | EC CORP | 355,481 NS | $36.42M | 0.448% | US |
| Mirum Pharmaceuticals, Inc. | MIRM | 604749101 US6047491013 | EC CORP | 392,677 NS | $36.28M | 0.447% | US |
| Tempus AI, Inc. Tempus AI, Inc., Class A | TEM | 88023B103 US88023B1035 | EC CORP | 773,906 NS | $35.00M | 0.431% | US |
| Xenon Pharmaceuticals, Inc. | XENE | 98420N105 CA98420N1050 | EC CORP | 598,390 NS | $34.80M | 0.428% | CA |
Positions resolved to the master through ISIN, then rolled up through the taxonomy. 87.6% of reported value reaches a classification.
Percentages are of the reported value of positions above ($8.91B), not of the fund’s net assets ($8.12B). The two differ by cash, derivatives filed with no market value, and rounding.