iShares Biotechnology ETF

Fund Profile

Fund profile

Tickers

IBB

Fund manager

iShares MBS ETF

Total assets

$8.46 bn

Liabilities

$898.07 mm

Net assets

$7.56 bn

Number of holdings

218.00

IBB stock data

1M 3M 6M 1Y

Top 200 of 218 Holdings

As of Sep 2024

Security	$Holding	Balance	% of Fund	Category	Position	Country
BlackRock Cash Funds: Institutional, SL Agency Shares	892.45 mm	891.74 mm shares	11.80	Short-term investment vehicle	Long	USA
GILD Gilead Sciences, Inc.	651.88 mm	7.78 mm shares	8.62	Common equity	Long	USA
AMGN Amgen Inc.	592.87 mm	1.84 mm shares	7.84	Common equity	Long	USA
VRTX Vertex Pharmaceuticals Incorporated	576.08 mm	1.24 mm shares	7.62	Common equity	Long	USA
REGN Regeneron Pharmaceuticals, Inc.	545.06 mm	518.49 k shares	7.21	Common equity	Long	USA
IQV IQVIA Holdings Inc.	312.57 mm	1.32 mm shares	4.13	Common equity	Long	USA
ALNY Alnylam Pharmaceuticals, Inc.	255.27 mm	928.16 k shares	3.38	Common equity	Long	USA
MTD Mettler-Toledo International Inc.	230.07 mm	153.41 k shares	3.04	Common equity	Long	USA
BIIB Biogen Inc.	204.40 mm	1.05 mm shares	2.70	Common equity	Long	USA
ARGX argenx SE	200.86 mm	370.54 k shares	2.66	Common equity	Long	Netherlands
BNTX BioNTech SE	175.51 mm	1.48 mm shares	2.32	Common equity	Long	Germany
MRNA Moderna, Inc.	167.06 mm	2.50 mm shares	2.21	Common equity	Long	USA
WAT Waters Corporation	155.48 mm	432.02 k shares	2.06	Common equity	Long	USA
ILMN Illumina, Inc.	150.79 mm	1.16 mm shares	1.99	Common equity	Long	USA
ONC BeiGene, Ltd.	134.50 mm	599.10 k shares	1.78	Common equity	Long	Cayman Islands
UTHR United Therapeutics Corporation	114.28 mm	318.91 k shares	1.51	Common equity	Long	USA
NTRA Natera, Inc.	107.59 mm	847.49 k shares	1.42	Common equity	Long	USA
Genmab A/S	100.51 mm	4.12 mm shares	1.33	Common equity	Long	Denmark
BMRN BioMarin Pharmaceutical Inc.	96.40 mm	1.37 mm shares	1.27	Common equity	Long	USA
INCY Incyte Corporation	91.78 mm	1.39 mm shares	1.21	Common equity	Long	USA
TECH Bio-Techne Corporation	91.50 mm	1.14 mm shares	1.21	Common equity	Long	USA
INSM Insmed Incorporated	89.20 mm	1.22 mm shares	1.18	Common equity	Long	USA
PCVX Vaxcyte, Inc.	89.09 mm	779.62 k shares	1.18	Common equity	Long	USA
NBIX Neurocrine Biosciences, Inc.	82.99 mm	720.28 k shares	1.10	Common equity	Long	USA
SRPT Sarepta Therapeutics, Inc.	81.51 mm	652.68 k shares	1.08	Common equity	Long	USA
CRL Charles River Laboratories International, Inc.	73.35 mm	372.37 k shares	0.97	Common equity	Long	USA
MEDP Medpace Holdings, Inc.	62.05 mm	185.90 k shares	0.82	Common equity	Long	USA
RGEN Repligen Corporation	56.54 mm	379.93 k shares	0.75	Common equity	Long	USA
LEGN Legend Biotech Corporation	54.71 mm	1.12 mm shares	0.72	Common equity	Long	Cayman Islands
ASND Ascendis Pharma A/S	52.99 mm	354.90 k shares	0.70	Common equity	Long	Denmark
ITCI Intra-Cellular Therapies, Inc.	52.72 mm	720.52 k shares	0.70	Common equity	Long	USA
EXEL Exelixis, Inc.	52.64 mm	2.03 mm shares	0.70	Common equity	Long	USA
HALO Halozyme Therapeutics, Inc.	52.33 mm	914.19 k shares	0.69	Common equity	Long	USA
BRKR Bruker Corporation	51.91 mm	751.67 k shares	0.69	Common equity	Long	USA
RVMD Revolution Medicines, Inc.	45.92 mm	1.01 mm shares	0.61	Common equity	Long	USA
CYTK Cytokinetics, Incorporated	43.81 mm	829.73 k shares	0.58	Common equity	Long	USA
BPMC Blueprint Medicines Corporation	41.96 mm	453.67 k shares	0.55	Common equity	Long	USA
IONS Ionis Pharmaceuticals, Inc.	39.15 mm	977.40 k shares	0.52	Common equity	Long	USA
Roivant Sciences Ltd.	37.30 mm	3.23 mm shares	0.49	Common equity	Long	Bermuda
RNA Avidity Biosciences, Inc.	36.42 mm	792.95 k shares	0.48	Common equity	Long	USA
RARE Ultragenyx Pharmaceutical Inc.	34.90 mm	628.27 k shares	0.46	Common equity	Long	USA
Alkermes plc	32.96 mm	1.18 mm shares	0.44	Common equity	Long	Ireland
ADMA ADMA Biologics, Inc.	32.81 mm	1.64 mm shares	0.43	Common equity	Long	USA
KRYS Krystal Biotech, Inc.	32.05 mm	176.06 k shares	0.42	Common equity	Long	USA
Biohaven Ltd.	29.68 mm	593.98 k shares	0.39	Common equity	Long	Virgin Islands (British)
CRNX Crinetics Pharmaceuticals, Inc.	27.98 mm	547.53 k shares	0.37	Common equity	Long	USA
CRISPR Therapeutics AG	27.96 mm	595.12 k shares	0.37	Common equity	Long	Switzerland
Madrigal Pharmaceuticals, Inc.	27.91 mm	131.50 k shares	0.37	Common equity	Long	USA
BBIO BridgeBio Pharma, Inc.	26.12 mm	1.03 mm shares	0.35	Common equity	Long	USA
AXSM Axsome Therapeutics, Inc.	25.65 mm	285.41 k shares	0.34	Common equity	Long	USA
DNLI Denali Therapeutics Inc.	25.25 mm	866.76 k shares	0.33	Common equity	Long	USA
NUVL Nuvalent, Inc.	24.98 mm	244.14 k shares	0.33	Common equity	Long	USA
ACLX Arcellx, Inc.	24.51 mm	293.51 k shares	0.32	Common equity	Long	USA
FOLD Amicus Therapeutics, Inc.	22.48 mm	2.10 mm shares	0.30	Common equity	Long	USA
Merus NV	21.58 mm	431.88 k shares	0.29	Common equity	Long	Netherlands
XENE Xenon Pharmaceuticals Inc.	21.23 mm	539.26 k shares	0.28	Common equity	Long	Canada
APLS Apellis Pharmaceuticals, Inc.	21.20 mm	735.16 k shares	0.28	Common equity	Long	USA
RYTM Rhythm Pharmaceuticals, Inc.	20.87 mm	398.45 k shares	0.28	Common equity	Long	USA
PTCT PTC Therapeutics, Inc.	20.16 mm	543.45 k shares	0.27	Common equity	Long	USA
KYMR Kymera Therapeutics, Inc.	19.77 mm	417.64 k shares	0.26	Common equity	Long	USA
DYN Dyne Therapeutics, Inc.	19.51 mm	543.04 k shares	0.26	Common equity	Long	USA
VCYT Veracyte, Inc.	18.81 mm	552.71 k shares	0.25	Common equity	Long	USA
TWST Twist Bioscience Corporation	18.51 mm	409.60 k shares	0.24	Common equity	Long	USA
ACAD ACADIA Pharmaceuticals Inc.	18.50 mm	1.20 mm shares	0.24	Common equity	Long	USA
GERN Geron Corporation	18.30 mm	4.03 mm shares	0.24	Common equity	Long	USA
PTGX Protagonist Therapeutics, Inc.	18.29 mm	406.46 k shares	0.24	Common equity	Long	USA
AGIO Agios Pharmaceuticals, Inc.	17.90 mm	402.93 k shares	0.24	Common equity	Long	USA
IDYA IDEAYA Biosciences, Inc.	17.71 mm	559.05 k shares	0.23	Common equity	Long	USA
MYGN Myriad Genetics, Inc.	17.44 mm	636.88 k shares	0.23	Common equity	Long	USA
ARWR Arrowhead Pharmaceuticals, Inc.	16.77 mm	865.66 k shares	0.22	Common equity	Long	USA
IOVA Iovance Biotherapeutics, Inc.	16.63 mm	1.77 mm shares	0.22	Common equity	Long	USA
TXG 10x Genomics, Inc.	16.42 mm	727.36 k shares	0.22	Common equity	Long	USA
APGE Apogee Therapeutics, Inc.	15.93 mm	271.19 k shares	0.21	Common equity	Long	USA
SWTX SpringWorks Therapeutics, Inc.	15.66 mm	488.65 k shares	0.21	Common equity	Long	USA
GPCR Structure Therapeutics Inc.	15.00 mm	341.81 k shares	0.20	Common equity	Long	Cayman Islands
VCEL Vericel Corporation	15.00 mm	355.01 k shares	0.20	Common equity	Long	USA
BlackRock Cash Funds: Treasury, SL Agency Shares	14.98 mm	14.98 mm shares	0.20	Short-term investment vehicle	Long	USA
NTLA Intellia Therapeutics, Inc.	14.97 mm	728.29 k shares	0.20	Common equity	Long	USA
Zai Lab Ltd.	14.92 mm	617.88 k shares	0.20	Common equity	Long	Cayman Islands
GRFS Grifols, S.A.	14.45 mm	1.63 mm shares	0.19	Common equity	Long	Spain
NVAX Novavax, Inc.	14.03 mm	1.11 mm shares	0.19	Common equity	Long	USA
SMMT Summit Therapeutics Inc.	13.74 mm	627.53 k shares	0.18	Common equity	Long	USA
VERA Vera Therapeutics, Inc.	13.35 mm	302.04 k shares	0.18	Common equity	Long	USA
LGND Ligand Pharmaceuticals Incorporated	13.04 mm	130.28 k shares	0.17	Common equity	Long	USA
IMVT Immunovant, Inc.	12.89 mm	452.24 k shares	0.17	Common equity	Long	USA
FTRE Fortrea Holdings Inc.	12.85 mm	642.48 k shares	0.17	Common equity	Long	USA
BEAM Beam Therapeutics Inc.	12.81 mm	522.95 k shares	0.17	Common equity	Long	USA
JANX Janux Therapeutics, Inc.	12.56 mm	276.57 k shares	0.17	Common equity	Long	USA
KROS Keros Therapeutics, Inc.	12.53 mm	215.78 k shares	0.17	Common equity	Long	USA
MNKD MannKind Corporation	12.23 mm	1.94 mm shares	0.16	Common equity	Long	USA
AKRO Akero Therapeutics, Inc.	12.16 mm	424.00 k shares	0.16	Common equity	Long	USA
Galapagos NV	11.58 mm	402.38 k shares	0.15	Common equity	Long	Belgium
EWTX Edgewise Therapeutics, Inc.	11.37 mm	426.06 k shares	0.15	Common equity	Long	USA
RCKT Rocket Pharmaceuticals, Inc.	11.31 mm	612.25 k shares	0.15	Common equity	Long	USA
VRNA Verona Pharma plc	11.29 mm	392.31 k shares	0.15	Common equity	Long	UK
CDNA CareDx, Inc	11.28 mm	361.11 k shares	0.15	Common equity	Long	USA
Novocure Ltd.	11.13 mm	712.37 k shares	0.15	Common equity	Long	Jersey
SNDX Syndax Pharmaceuticals, Inc.	11.13 mm	578.30 k shares	0.15	Common equity	Long	USA
BCRX BioCryst Pharmaceuticals, Inc.	10.81 mm	1.42 mm shares	0.14	Common equity	Long	USA
MIRM Mirum Pharmaceuticals, Inc.	10.78 mm	276.45 k shares	0.14	Common equity	Long	USA
ARVN Arvinas, Inc.	10.69 mm	433.98 k shares	0.14	Common equity	Long	USA
DVAX Dynavax Technologies Corporation	10.61 mm	952.70 k shares	0.14	Common equity	Long	USA
NRIX Nurix Therapeutics, Inc.	10.40 mm	462.71 k shares	0.14	Common equity	Long	USA
RXRX Recursion Pharmaceuticals, Inc.	10.37 mm	1.57 mm shares	0.14	Common equity	Long	USA
IMCR Immunocore Holdings plc	9.44 mm	303.30 k shares	0.12	Common equity	Long	UK
KURA Kura Oncology, Inc.	9.26 mm	473.83 k shares	0.12	Common equity	Long	USA
XNCR Xencor, Inc.	8.84 mm	439.50 k shares	0.12	Common equity	Long	USA
TVTX Travere Therapeutics, Inc.	7.74 mm	553.36 k shares	0.10	Common equity	Long	USA
TARS Tarsus Pharmaceuticals, Inc.	7.63 mm	231.95 k shares	0.10	Common equity	Long	USA
CNTA Centessa Pharmaceuticals plc	7.53 mm	471.18 k shares	0.10	Common equity	Long	UK
Stevanato Group SpA	7.25 mm	362.69 k shares	0.10	Common equity	Long	Italy
Kiniksa Pharmaceuticals International plc	7.08 mm	283.27 k shares	0.09	Common equity	Long	UK
MRVI Maravai LifeSciences Holdings, Inc.	7.04 mm	847.04 k shares	0.09	Common equity	Long	USA
AUPH Aurinia Pharmaceuticals Inc.	6.89 mm	940.08 k shares	0.09	Common equity	Long	Canada
ARQT Arcutis Biotherapeutics, Inc.	6.88 mm	739.60 k shares	0.09	Common equity	Long	USA
COGT Cogent Biosciences, Inc.	6.52 mm	603.96 k shares	0.09	Common equity	Long	USA
BCYC Bicycle Therapeutics plc	6.39 mm	282.30 k shares	0.08	Common equity	Long	UK
Zymeworks Inc.	6.39 mm	508.93 k shares	0.08	Common equity	Long	USA
ANAB AnaptysBio, Inc.	6.21 mm	185.36 k shares	0.08	Common equity	Long	USA
DAWN Day One Biopharmaceuticals, Inc.	6.02 mm	432.24 k shares	0.08	Common equity	Long	USA
WaVe Life Sciences Ltd.	5.89 mm	717.96 k shares	0.08	Common equity	Long	Singapore
Prothena Corp. plc	5.67 mm	339.15 k shares	0.08	Common equity	Long	Ireland
IRON Disc Medicine, Inc.	5.56 mm	113.18 k shares	0.07	Common equity	Long	USA
OLK Olink Holding AB (publ)	5.45 mm	209.80 k shares	0.07	Common equity	Long	Sweden
RCUS Arcus Biosciences, Inc.	5.42 mm	354.30 k shares	0.07	Common equity	Long	USA
CSTL Castle Biosciences, Inc.	5.40 mm	189.40 k shares	0.07	Common equity	Long	USA
ELVN Enliven Therapeutics, Inc.	5.37 mm	210.32 k shares	0.07	Common equity	Long	USA
AUTL Autolus Therapeutics plc	5.36 mm	1.48 mm shares	0.07	Common equity	Long	UK
ADPT Adaptive Biotechnologies Corporation	5.34 mm	1.04 mm shares	0.07	Common equity	Long	USA
MDGL Madrigal Pharmaceuticals, Inc.	5.34 mm	721.17 k shares	0.07	Common equity	Long	USA
SPRY ARS Pharmaceuticals, Inc.	5.15 mm	355.30 k shares	0.07	Common equity	Long	USA
CTKB Cytek Biosciences, Inc.	4.82 mm	869.61 k shares	0.06	Common equity	Long	USA
VIR Vir Biotechnology, Inc.	4.78 mm	637.72 k shares	0.06	Common equity	Long	USA
RLAY Relay Therapeutics, Inc.	4.74 mm	670.08 k shares	0.06	Common equity	Long	USA
CGEM Cullinan Oncology, Inc.	4.72 mm	281.79 k shares	0.06	Common equity	Long	USA
IRWD Ironwood Pharmaceuticals, Inc.	4.68 mm	1.14 mm shares	0.06	Common equity	Long	USA
PLRX Pliant Therapeutics, Inc.	4.37 mm	389.44 k shares	0.06	Common equity	Long	USA
PHAT Phathom Pharmaceuticals, Inc.	4.29 mm	237.12 k shares	0.06	Common equity	Long	USA
OLMA Olema Pharmaceuticals, Inc.	4.28 mm	358.31 k shares	0.06	Common equity	Long	USA
REPL Replimune Group, Inc.	4.21 mm	384.05 k shares	0.06	Common equity	Long	USA
Arcturus Therapeutics Holdings, Inc.	4.19 mm	180.41 k shares	0.06	Common equity	Long	USA
ABUS Arbutus Biopharma Corporation	4.12 mm	1.07 mm shares	0.05	Common equity	Long	Canada
ABCL AbCellera Biologics Inc.	3.92 mm	1.51 mm shares	0.05	Common equity	Long	Canada
SRRK Scholar Rock Holding Corporation	3.82 mm	477.28 k shares	0.05	Common equity	Long	USA
HUMA Humacyte, Inc.	3.69 mm	677.51 k shares	0.05	Common equity	Long	USA
SANA Sana Biotechnology, Inc.	3.68 mm	884.29 k shares	0.05	Common equity	Long	USA
OPK OPKO Health, Inc.	3.57 mm	2.40 mm shares	0.05	Common equity	Long	USA
RVNC Revance Therapeutics, Inc.	3.55 mm	684.95 k shares	0.05	Common equity	Long	USA
UroGen Pharma Ltd.	3.54 mm	278.47 k shares	0.05	Common equity	Long	Israel
YMAB Y-mAbs Therapeutics, Inc.	3.54 mm	268.88 k shares	0.05	Common equity	Long	USA
FDMT 4D Molecular Therapeutics, Inc.	3.45 mm	319.20 k shares	0.05	Common equity	Long	USA
AVXL Anavex Life Sciences Corp.	3.42 mm	602.25 k shares	0.05	Common equity	Long	USA
RGNX REGENXBIO Inc.	3.39 mm	323.08 k shares	0.04	Common equity	Long	USA
ORIC ORIC Pharmaceuticals, Inc.	3.38 mm	330.03 k shares	0.04	Common equity	Long	USA
ERAS Erasca, Inc.	3.31 mm	1.21 mm shares	0.04	Common equity	Long	USA
QTRX Quanterix Corporation	3.31 mm	255.29 k shares	0.04	Common equity	Long	USA
EXAI Exscientia plc	3.27 mm	669.24 k shares	0.04	Common equity	Long	UK
TNGX Tango Therapeutics, Inc.	3.22 mm	418.25 k shares	0.04	Common equity	Long	USA
NxStage Medical, Inc.	3.22 mm	1.89 mm shares	0.04	Common equity	Long	USA
FLGT Fulgent Genetics, Inc.	3.12 mm	143.72 k shares	0.04	Common equity	Long	USA
TERN Terns Pharmaceuticals, Inc.	2.92 mm	350.35 k shares	0.04	Common equity	Long	USA
SVRA Savara Inc.	2.84 mm	669.16 k shares	0.04	Common equity	Long	USA
TRML Tourmaline Bio, Inc.	2.80 mm	109.02 k shares	0.04	Common equity	Long	USA
ALLO Allogene Therapeutics, Inc.	2.79 mm	996.90 k shares	0.04	Common equity	Long	USA
NUVB Nuvation Bio Inc.	2.75 mm	1.20 mm shares	0.04	Common equity	Long	USA
MXCT MaxCyte, Inc.	2.75 mm	707.37 k shares	0.04	Common equity	Long	USA
SAGE Sage Therapeutics, Inc.	2.65 mm	367.32 k shares	0.04	Common equity	Long	USA
Theravance Biopharma, Inc.	2.65 mm	328.80 k shares	0.04	Common equity	Long	Cayman Islands
ALEC Alector, Inc.	2.60 mm	558.16 k shares	0.03	Common equity	Long	USA
KALV KalVista Pharmaceuticals, Inc.	2.52 mm	217.32 k shares	0.03	Common equity	Long	USA
CMPS COMPASS Pathways plc	2.42 mm	384.67 k shares	0.03	Common equity	Long	UK
TSHA Taysha Gene Therapies, Inc.	2.32 mm	1.15 mm shares	0.03	Common equity	Long	USA
SLRN Acelyrin, Inc.	2.31 mm	468.90 k shares	0.03	Common equity	Long	USA
VERV Verve Therapeutics, Inc.	2.20 mm	455.13 k shares	0.03	Common equity	Long	USA
DNA Ginkgo Bioworks Holdings, Inc.	2.12 mm	260.20 k shares	0.03	Common equity	Long	USA
ITOS iTeos Therapeutics, Inc.	2.09 mm	205.12 k shares	0.03	Common equity	Long	USA
BMEA Biomea Fusion, Inc.	2.09 mm	206.62 k shares	0.03	Common equity	Long	USA
EDIT Editas Medicine, Inc.	2.00 mm	587.46 k shares	0.03	Common equity	Long	USA
Immutep Limited	2.00 mm	906.40 k shares	0.03	Common equity	Long	Australia
MLYS Mineralys Therapeutics, Inc.	1.98 mm	163.85 k shares	0.03	Common equity	Long	USA
CureVac NV	1.98 mm	674.14 k shares	0.03	Common equity	Long	Netherlands
VYGR Voyager Therapeutics, Inc.	1.94 mm	331.57 k shares	0.03	Common equity	Long	USA
VNDA Vanda Pharmaceuticals Inc.	1.88 mm	400.13 k shares	0.02	Common equity	Long	USA
AVIR Atea Pharmaceuticals, Inc.	1.78 mm	530.60 k shares	0.02	Common equity	Long	USA
AC Immune SA	1.70 mm	449.85 k shares	0.02	Common equity	Long	Switzerland
ZNTL Zentalis Pharmaceuticals, Inc.	1.64 mm	446.64 k shares	0.02	Common equity	Long	USA
uniQure NV	1.61 mm	326.55 k shares	0.02	Common equity	Long	Netherlands
MeiraGTx Holdings plc	1.58 mm	379.62 k shares	0.02	Common equity	Long	Cayman Islands
NAUT Nautilus Biotechnology, Inc.	1.53 mm	538.07 k shares	0.02	Common equity	Long	USA
FULC Fulcrum Therapeutics, Inc.	1.50 mm	421.38 k shares	0.02	Common equity	Long	USA
THRD Third Harmonic Bio, Inc.	1.49 mm	109.73 k shares	0.02	Common equity	Long	USA
CABA Cabaletta Bio, Inc.	1.44 mm	305.71 k shares	0.02	Common equity	Long	USA
PRME Prime Medicine, Inc.	1.40 mm	362.71 k shares	0.02	Common equity	Long	USA
MGNX MacroGenics, Inc.	1.34 mm	408.19 k shares	0.02	Common equity	Long	USA
NBTX Nanobiotix S.A.	1.31 mm	228.48 k shares	0.02	Common equity	Long	France
CRBU Caribou Biosciences, Inc.	1.16 mm	592.59 k shares	0.02	Common equity	Long	USA
LYEL Lyell Immunopharma, Inc.	1.14 mm	823.11 k shares	0.02	Common equity	Long	USA
AMLX Amylyx Pharmaceuticals, Inc.	979.36 k	302.27 k shares	0.01	Common equity	Long	USA
ATAI Life Sciences NV	954.08 k	822.48 k shares	0.01	Common equity	Long	Netherlands
VTYX Ventyx Biosciences, Inc.	848.94 k	389.42 k shares	0.01	Common equity	Long	USA