{"ticker":"IBB","name":"iShares Biotechnology ETF","page_url":"https://tickerinside.com/etf/ibb/","cite_as":"TickerInside, iShares Biotechnology ETF (IBB), holdings from the issuer's file of 2026-10-15, https://tickerinside.com/etf/ibb/, CC BY 4.0","cite_html":"<a href=\"https://tickerinside.com/etf/ibb/\">TickerInside</a> (https://tickerinside.com/etf/ibb/)","identifiers":{"asset_type":"etf","exchange":"Nasdaq","composite_figi":"BBG000FS8GY0","share_class_figi":"BBG001SGYSW7","cik":"0001100663","series_id":"S000004350","class_id":"C000012080"},"source_layer":"issuer","category":{"id":"health-care","label":"Health Care","group":"sector-equity","group_label":"Sector stocks","asset_class":"equity","rule":"In its file of 2026-10-15, 100% of its stocks whose sector is known are health care companies, each in the sector the site gives that company.","basis":"holdings","as_of":"2026-10-15","facets":{"region":"us","country":"US","size":"mid","style":"growth","sector":"health_care","top_sectors":["health_care"]},"measured":{"us_share":0.914,"emerging_share":0.002,"size_place":0.818,"growth_share":0.501,"growth_share_market":0.333,"top_sector_share":1.0,"country_cover":1.0,"sector_cover":1.0,"stocks":235},"method":"https://tickerinside.com/etf/category/"},"as_of":"2026-10-16","holdings_as_of":"2026-10-15","expense_ratio":0.44,"expense_ratio_gross":0.44,"expense_ratio_source":"sec_filing","expense_ratio_as_of":"2026-07-27","expense_ratio_filing_url":"https://www.sec.gov/Archives/edgar/data/1100663/000119312526318131/","yield":0.16,"aum_b":11.2,"aum_source":"market_data","aum_date":"2026-10-17","etf_class_net_assets_b":null,"etf_class_net_assets_as_of":null,"positions":237,"breakdown":{"sectors_pct":{"health_care":99.8487},"no_sector_pct":0.0,"sector_coverage_pct":100.0,"sectors_stated":true,"other_funds_pct":0.0,"mega_cap_tech_pct":0.0,"top10_us_companies_pct":0.0,"countries_pct":{"US":91.2821,"BE":3.4415,"DK":2.4868,"CA":0.9511,"DE":0.6147,"FR":0.4805,"CN":0.2311,"AU":0.0742,"NL":0.0698,"IE":0.0682,"IT":0.0681,"LU":0.0657,"CH":0.0107,"TW":0.0041},"no_country_pct":0.0,"answer":"In its iShares file of 2026-10-15, IBB is 99.8% health care by sector, with none of it in mega-cap tech or in the ten largest US companies by market value. By country, 91.3% of IBB is in the United States, 3.4% in Belgium, 2.5% in Denmark and 1.0% in Canada.","method":"https://tickerinside.com/how-the-numbers-are-produced/#sectors"},"vol":20.7,"beta":0.8,"mdd3":-21.5,"r1":34.8,"r3":78.3,"r5":32.6,"last_close":207.41,"last_close_date":"2026-10-15","day_change_pct":2.05,"high_52w":216.96,"low_52w":153.39,"currency":"USD","holdings":{"GILD":8.6562,"AMGN":8.1222,"VRTX":7.5175,"MRNA":6.1515,"REGN":5.6191,"NTRA":3.8802,"ARGX":3.3488,"ILMN":2.873,"RVMD":2.5979,"BIIB":2.4574,"ONC":2.2409,"ALNY":2.2226,"INCY":1.6206,"UTHR":1.5984,"INSM":1.5196,"GMAB":1.4919,"ROIV":1.2704,"EXEL":1.0733,"CRL":1.0294,"MEDP":1.0058,"ASND":0.9949,"NBIX":0.9799,"HALO":0.9715,"BBIO":0.8372,"TECH":0.8054,"BMRN":0.7626,"MDGL":0.7045,"RGEN":0.6989,"PCVX":0.6757,"TWST":0.656,"BNTX":0.6147,"KRYS":0.6087,"CYTK":0.6074,"TXG":0.5976,"PTGX":0.5951,"KYMR":0.5749,"ARWR":0.5538,"TEM":0.5453,"IONS":0.5119,"AXSM":0.5073,"ABVX":0.478,"ALKS":0.4647,"PRAX":0.4641,"SYRE":0.4507,"BRKR":0.4469,"RYTM":0.4141,"IOVA":0.4123,"GRAL":0.4066,"KOD":0.3648,"PTCT":0.3462,"TVTX":0.3434,"CRSP":0.3293,"COGT":0.3269,"DFTX":0.3128,"MIRM":0.3115,"ORKA":0.3094,"SRRK":0.2874,"CAI":0.2872,"ADPT":0.2821,"IBRX":0.28,"ERAS":0.2609,"CGON":0.2582,"VCYT":0.2491,"ACAD":0.2386,"LEGN":0.2311,"ARQT":0.2267,"TNGX":0.2252,"ABCL":0.2251,"CDNA":0.2246,"XENE":0.2244,"EWTX":0.2222,"IDYA":0.2186,"RLAY":0.211,"AMLX":0.2091,"TARS":0.2086,"DNLI":0.1954,"NRIX":0.1756,"ELVN":0.1699,"DYN":0.1669,"SMMT":0.1668,"IMVT":0.1655,"BEAM":0.1654,"ADMA":0.164,"ZLAB":0.1589,"FTRE":0.1525,"VCEL":0.1478,"NVAX":0.1431,"RXRX":0.1412,"AUPH":0.1401,"RCUS":0.1381,"AGIO":0.1341,"SRPT":0.1279,"ZYME":0.1265,"BCRX":0.1252,"GRFS":0.1247,"XNCR":0.1196,"VERA":0.1189,"IRON":0.1144,"NAMS":0.1135,"MBX":0.1101,"NTLA":0.1083,"URGN":0.1082,"NVCR":0.1074,"BHVN":0.1046,"QURE":0.1034,"VIR":0.0999,"GPCR":0.0975,"RARE":0.0971,"ANAB":0.0959,"IMCR":0.0951,"CMPS":0.094,"STOK":0.0938,"ABSI":0.0934,"MLYS":0.0934,"LKFT":0.0926,"NUVB":0.085,"PGEN":0.084,"TRVI":0.0831,"PSNL":0.0816,"SNDX":0.0793,"SEPN":0.0778,"REPL":0.0732,"MESO":0.073,"CSTL":0.0723,"TYRA":0.0716,"JANX":0.0714,"INBX":0.0708,"TSHA":0.0702,"PHVS":0.0698,"MNKD":0.0697,"GHRS":0.0682,"STVN":0.0681,"MAZE":0.067,"ALVO":0.0657,"ORIC":0.062,"ZBIO":0.0618,"RIGL":0.0611,"RAPP":0.0605,"KURA":0.0601,"ANRO":0.0577,"MRVI":0.0558,"GERN":0.0556,"BCAX":0.0544,"MGTX":0.0513,"ABUS":0.0487,"CGEM":0.0469,"CTKB":0.0466,"FDMT":0.0459,"CRVS":0.0449,"ZVRA":0.0435,"IRWD":0.0433,"ALMS":0.0433,"GLUE":0.0427,"ANNX":0.0422,"OPK":0.0417,"AVBP":0.0414,"PACB":0.0406,"DNA":0.0406,"OABI":0.0404,"CADL":0.0384,"WVE":0.0367,"SLDB":0.0351,"SVRA":0.0347,"OLMA":0.0344,"SGMT":0.0334,"CTMX":0.0327,"SANA":0.0325,"ALT":0.0316,"RGNX":0.0311,"AURA":0.03,"ARVN":0.0298,"ACRS":0.028,"MYGN":0.0274,"PHAT":0.0272,"NGNE":0.0272,"PRTA":0.0271,"FLGT":0.0267,"DSGN":0.0258,"EBS":0.0249,"SLN":0.0247,"PRME":0.0244,"EDIT":0.0241,"ALLO":0.0228,"ENTA":0.0225,"CCCC":0.0222,"ARCT":0.0216,"AUTL":0.021,"AVIR":0.0209,"FULC":0.0193,"SPRY":0.0181,"RCKT":0.018,"LAB":0.0176,"VNDA":0.0172,"CTNM":0.0168,"CABA":0.0162,"KYTX":0.016,"QSI":0.0158,"CATX":0.015,"IMRX":0.0149,"KROS":0.0144,"TECX":0.0143,"LXEO":0.0136,"LCTX":0.0132,"BIOA":0.012,"PEPG":0.0114,"ACIU":0.0107,"ADCT":0.01,"BBOT":0.0101,"CDXS":0.0099,"BCYC":0.0096,"AVXL":0.0094,"PYXS":0.0087,"UPB":0.0087,"QTRX":0.0087,"TRDA":0.0081,"SION":0.0077,"NBP":0.0077,"HUMA":0.0077,"VYGR":0.0072,"LENZ":0.0069,"LRMR":0.0068,"TNYA":0.0061,"BDTX":0.0061,"TKNO":0.0059,"LYEL":0.0045,"FHTX":0.0042,"MENS":0.0041,"GOSS":0.0036,"AARD":0.0035,"AKE":0.0031,"CRBU":0.0029,"CLLS":0.0025,"NMRA":0.0023,"IMMP":0.0012,"ADRO":0.0005,"THRD":0.0,"CRGX":0.0},"weekly":[-0.0406,0.0657,-0.0356,0.0222,0.0107,0.0271,0.0104,0.0638,0.016,0.0155,0.002,0.0074,-0.0142,0.0013,-0.0055,-0.0001,0.0085,0.0181,0.0117,-0.0083,-0.0197,0.0034,0.0071,-0.0343,-0.0221,-0.0375,0.0142,0.0512,0.0033,0.0247,-0.0075,-0.0132,0.0212,-0.002,0.0065,-0.0006,-0.0077,0.0648,-0.007,0.0294,-0.0276,-0.0139,0.0189,0.0214,0.0015,-0.0366,0.0354,0.0012,-0.0195,-0.0069,0.0117,0.0022,-0.0302,0.009,0.0425,-0.1039,0.0343,0.026,-0.0018,-0.0332,-0.028,0.006,0.0047,-0.0106,-0.0006,0.0351,0.0099,-0.0071,-0.0081,0.0173,-0.0135,-0.0006,-0.0202,-0.0037,-0.0246,-0.1008,-0.0017,0.0114,0.0417,0.0274,-0.0788,0.0388,0.0007,0.0039,0.043,0.0082,-0.0195,0.0076,0.0279,0.0122,-0.0141,0.0445,-0.0182,-0.0075,0.0509,0.0078,-0.0116,0.0355,-0.015,0.0129,-0.0123,0.0712,-0.007,0.0283,0.0063,0.0272,-0.0104,0.041,0.0203,0.0377,-0.0154,-0.0102,0.0057,0.0108,-0.0176,0.0201,-0.0141,0.0316,-0.0165,0.0148,-0.0142,0.011,0.0056,-0.0445,-0.0122,-0.0226,-0.0077,0.0562,-0.0004,0.043,-0.0389,-0.0148,0.016,-0.0183,0.0117,0.0201,-0.0217,0.0132,0.0176,0.079,0.0445,-0.0186,-0.012,-0.0085,-0.0092,0.0606,0.0028,0.0772,-0.0216,0.0142,-0.0424,0.0081,0.0255,-0.0214,0.0058,0.0045],"weeks_end":"2026-10-16","flows":{"date":"2026-10-12","flow_usd":null,"flow_pct_of_assets":null,"previous_close":"2026-10-09","status":"not_measured","last_closes":{"from":"2026-10-06","to":"2026-10-12","closes":5,"measured":4,"net_usd":268120247},"series":[["2026-09-29",526169590],["2026-09-30",-82436575],["2026-10-01",-287609034],["2026-10-02",-113416743],["2026-10-05",71894109],["2026-10-06",0],["2026-10-07",0],["2026-10-08",247523664],["2026-10-09",20596583],["2026-10-12",null]],"text":"IBB's flow on the close of Monday, October 12, 2026 is not measured: the two measures of it, from its holdings, disagreed, as they do on a rebalance or a corporate action. Over its last 5 closes, a net inflow of $268 million, 4 of them measured.","page_url":"https://tickerinside.com/etf-flows/","method_url":"https://tickerinside.com/how-the-numbers-are-produced/#etf-flows","license":"TickerInside history terms","terms":"https://tickerinside.com/legal/#history"},"license":"CC BY 4.0","attribution":"Credit TickerInside with a link to the page the figure comes from (cite_as gives it) wherever the medium allows a link, and by name where it does not. How you mark the link is up to you.","source":"https://tickerinside.com/how-the-numbers-are-produced/"}