Companies: 10,639     total market cap: ยฃ101.420 T
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iShares Biotechnology ETF
IBB
#284
ETF rank
ยฃ6.28 B
Marketcap
๐Ÿ‡บ๐Ÿ‡ธ US
Market
ยฃ125.48
Share price
-1.10%
Change (1 day)
19.77%
Change (1 year)
๐Ÿงฌ Biotech ETFs
Categories
iShares Biotechnology ETF (IBB) seeks to track the performance of the NYSE Biotechnology Index, providing exposure to U.S.-listed companies in the biotechnology sector. The fund offers targeted access to biotech stocks, allowing investors to express a view on the industry.

iShares Biotechnology ETF - Holdings

Etf holdings as of December 26, 2025

Number of holdings: 261

Full holdings list

Weight %NameTickerShares Held
8.67%VERTEX PHARMACEUTICALS INCVRTX1612549.00
8.05%GILEAD SCIENCES INCGILD5556399.00
7.83%AMGEN INCAMGN2024017.00
6.89%REGENERON PHARMACEUTICALS INCREGN755726.00
4.51%ALNYLAM PHARMACEUTICALS INCALNY969109.00
3.24%INSMED INCINSM1570660.00
2.97%ARGENX SE ADRARGX302276.00
2.66%NATERA INCNTRA980896.00
2.25%BIOGEN INCBIIB1093755.00
1.96%BEONE MEDICINES AGONC539999.00
1.83%UNITED THERAPEUTICS CORPUTHR310209.00
1.74%ILLUMINA INCILMN1109172.00
1.69%INCYTE CORPINCY1450288.00
1.43%GENMAB SPONSORED ADRGMAB3672214.00
1.22%NEUROCRINE BIOSCIENCES INCNBIX725006.00
1.16%REVOLUTION MEDICINES INCRVMD1234540.00
1.11%MEDPACE HOLDINGS INCMEDP168771.00
1.10%IONIS PHARMACEUTICALS INCIONS1186330.00
1.08%BRIDGEBIO PHARMA INCBBIO1228874.00
1.07%MADRIGAL PHARMACEUTICALS INCMDGL154051.00
1.04%EXELIXIS INCEXEL1939203.00
0.98%BIOMARIN PHARMACEUTICAL INCBMRN1413762.00
0.94%MODERNA INCMRNA2588493.00
0.86%AVIDITY BIOSCIENCES INCRNA1031414.00
0.86%CHARLES RIVER LABORATORIES INTERNACRL363218.00
0.84%ASCENDIS PHARMA ADR REPRESENTINGASND345917.00
0.83%ROIVANT SCIENCES LTDROIV3231172.00
0.79%BIO TECHNE CORPTECH1149382.00
0.77%REPLIGEN CORPRGEN397330.00
0.77%ARROWHEAD PHARMACEUTICALS INCARWR940579.00
0.69%HALOZYME THERAPEUTICS INCHALO867773.00
0.66%CYTOKINETICS INCCYTK895990.00
0.65%ABIVAX AMERICAN DEPOSITARY SHARESABVX394045.00
0.59%RHYTHM PHARMACEUTICALS INCRYTM465256.00
0.56%BIONTECH SE ADRBNTX513365.00
0.55%TEMPUS AI INC CLASS ATEM759471.00
0.55%PRAXIS PRECISION MEDICINES INCPRAX175319.00
0.55%AXSOME THERAPEUTICS INCAXSM308854.00
0.54%KRYSTAL BIOTECH INCKRYS185923.00
0.53%PTC THERAPEUTICS INCPTCT575773.00
0.52%VAXCYTE INCPCVX946986.00
0.46%PROTAGONIST THERAPEUTICS INCPTGX441673.00
0.44%CRISPR THERAPEUTICS AGCRSP682766.00
0.43%NUVALENT INC CLASS ANUVL357874.00
0.43%BRUKER CORPBRKR769736.00
0.42%KYMERA THERAPEUTICS INCKYMR445382.00
0.41%COGENT BIOSCIENCES INCCOGT918765.00
0.40%ACADIA PHARMACEUTICALS INCACAD1247227.00
0.40%ALKERMESALKS1203831.00
0.38%ADMA BIOLOGICS INCADMA1714399.00
0.37%AMICUS THERAPEUTICS INCFOLD2252888.00
0.37%CRINETICS PHARMACEUTICALS INCCRNX657496.00
0.32%APOGEE THERAPEUTICS INCAPGE355099.00
0.31%SCHOLAR ROCK HOLDING CORPSRRK590305.00
0.30%TRAVERE THERAPEUTICS INCTVTX655897.00
0.29%XENON PHARMACEUTICALS INCXENE556787.00
0.29%MIRUM PHARMACEUTICALS INCMIRM313187.00
0.28%VERACYTE INCVCYT575778.00
0.28%CARIS LIFE SCIENCES INCCAI859123.00
0.28%TARSUS PHARMACEUTICALS INCTARS291294.00
0.27%TERNS PHARMACEUTICALS INCTERN566008.00
0.27%ARCUTIS BIOTHERAPEUTICS INCARQT804591.00
0.27%LEGEND BIOTECH ADR REP CORPLEGN1034552.00
0.27%STRUCTURE THERAPEUTICS ADR INCGPCR339396.00
0.27%GRAIL INCGRAL250629.00
0.27%ULTRAGENYX PHARMACEUTICAL INCRARE671104.00
0.26%IDEAYA BIOSCIENCES INCIDYA626429.00
0.25%ARCELLX INCACLX323284.00
0.23%NEWAMSTERDAM PHARMA NVNAMS564418.00
0.23%VERA THERAPEUTICS INC CLASS AVERA363662.00
0.22%APELLIS PHARMACEUTICALS INCAPLS775729.00
0.22%BEAM THERAPEUTICS INCBEAM684455.00
0.21%ADAPTIVE BIOTECHNOLOGIES CORPADPT1095184.00
0.21%WAVE LIFE SCIENCES LTDWVE1009107.00
0.20%NUVATION BIO INC CLASS ANUVB1788488.00
0.19%SPYRE THERAPEUTICS INCSYRE504567.00
0.19%DENALI THERAPEUTICS INCDNLI975375.00
0.19%SAREPTA THERAPEUTICS INCSRPT738284.00
0.19%DISC MEDICINE INCIRON200369.00
0.18%DYNE THERAPEUTICS INCDYN783023.00
0.18%MINERALYS THERAPEUTICS INCMLYS421434.00
0.17%EDGEWISE THERAPEUTICS INCEWTX570560.00
0.17%ZYMEWORKS INCZYME545148.00
0.17%CG ONCOLOGY INCCGON365815.00
0.17%IMMUNOVANT INCIMVT554355.00
0.17%NURIX THERAPEUTICS INCNRIX746266.00
0.17%AURINIA PHARMACEUTICALS INCAUPH882131.00
0.17%TWIST BIOSCIENCE CORPTWST433064.00
0.16%VERICEL CORPVCEL374015.00
0.16%SUMMIT THERAPEUTICS INCSMMT769888.00
0.16%10X GENOMICS INC CLASS ATXG837147.00
0.16%CENTESSA PHARMACEUTICALS AMERICANCNTA534762.00
0.16%DYNAVAX TECHNOLOGIES CORPDVAX872444.00
0.16%SYNDAX PHARMACEUTICALS INCSNDX629975.00
0.15%RECURSION PHARMACEUTICALS INC CLASRXRX3102498.00
0.15%ARCUS BIOSCIENCES INCRCUS560073.00
0.15%MANNKIND CORPMNKD2228379.00
0.14%OLEMA PHARMACEUTICALS INCOLMA473876.00
0.14%FORTREA HOLDINGS INCFTRE687085.00
0.13%AGIOS PHARMACEUTICALS INCAGIO410709.00
0.13%ZAI LABORATORY ADR REPRESENTING LTZLAB627079.00
0.13%BIOCRYST PHARMACEUTICALS INCBCRX1452642.00
0.13%STOKE THERAPEUTICS INCSTOK342951.00
0.13%KODIAK SCIENCES INCKOD366116.00
0.12%UNIQURE NVQURE424407.00
0.12%IMMUNOCORE HOLDINGS ADR PLCIMCR286942.00
0.12%NOVOCURE LTDNVCR750273.00
0.12%ORUKA THERAPEUTICS INCORKA319011.00
0.12%MESOBLAST ADR REPRESENTING LTDMESO518236.00
0.11%TAYSHA GENE THERAPIES INCTSHA1676567.00
0.11%ANAPTYSBIO INCANAB194710.00
0.11%MIND MEDICINE SUBORDINATE VOTING IMNMD714859.00
0.11%GALAPAGOS ADR REPRESENTING NVGLPG281475.00
0.10%GRIFOLS ADR REPRESENTING ONE NON-VGRFS937355.00
0.10%AMYLYX PHARMACEUTICALS INCAMLX680778.00
0.10%CASTLE BIOSCIENCES INCCSTL212605.00
0.10%RELAY THERAPEUTICS INCRLAY973295.00
0.10%ATAI BECKLEY N V NVATAI2037414.00
0.10%MAZE THERAPEUTICS INCMAZE195062.00
0.09%TREVI THERAPEUTICS INCTRVI626381.00
0.09%SIONNA THERAPEUTICS INCSION182967.00
0.09%INTELLIA THERAPEUTICS INCNTLA821666.00
0.09%STEVANATO GROUPSTVN370884.00
0.09%XENCOR INCXNCR501492.00
0.09%NOVAVAX INCNVAX1108835.00
0.09%BIOHAVEN LTDBHVN659031.00
0.08%IOVANCE BIOTHERAPEUTICS INCIOVA2489935.00
0.08%TYRA BIOSCIENCES INCTYRA272423.00
0.08%BLK CSH FND TREASURY SL AGENCYXTSLA6818427.00
0.08%CAREDX INCCDNA347010.00
0.08%KURA ONCOLOGY INCKURA630651.00
0.08%THERAVANCE BIOPHARMA INCTBPH353245.00
0.08%UROGEN PHARMA LTDURGN288716.00
0.07%RAPPORT THERAPEUTICS INCRAPP210002.00
0.07%GERON CORPGERN4540217.00
0.07%ABCELLERA BIOLOGICS INCABCL1724124.00
0.07%MBX BIOSCIENCES INCMBX198009.00
0.07%INHIBRX BIOSCIENCES INCINBX76070.00
0.07%RIGEL PHARMACEUTICALS INCRIGL132104.00
0.07%SEPTERNA INCSEPN200902.00
0.07%TANGO THERAPEUTICS INCTNGX662460.00
0.07%JANUX THERAPEUTICS INCJANX402184.00
0.07%UPSTREAM BIO INCUPB191671.00
0.06%SANA BIOTECHNOLOGY INCSANA1240242.00
0.06%MONTE ROSA THERAPEUTICS INCGLUE315559.00
0.06%PHATHOM PHARMACEUTICALS INCPHAT308915.00
0.06%ARBUTUS BIOPHARMA CORPABUS1122984.00
0.06%REPLIMUNE GROUP INCREPL532983.00
0.06%IMMUNITYBIO INCIBRX2473032.00
0.06%ENLIVEN THERAPEUTICS INCELVN323362.00
0.06%DAY ONE BIOPHARMACEUTICALS INCDAWN549858.00
0.06%ARS PHARMACEUTICALS INCSPRY446500.00
0.06%PHARVARIS N V NVPHVS196540.00
0.06%ALUMIS INCALMS458272.00
0.06%ARVINAS INCARVN413328.00
0.06%REGENXBIO INCRGNX344878.00
0.06%ASTRIA THERAPEUTICS INCATXS373493.00
0.05%RAPT THERAPEUTICS INCRAPT133609.00
0.05%ANNEXON INCANNX919326.00
0.05%EMERGENT BIOSOLUTIONS INCEBS377136.00
0.05%PRECIGEN INCPGEN1116059.00
0.05%LEXEO THERAPEUTICS INCLXEO450707.00
0.05%KEROS THERAPEUTICS INCKROS212424.00
0.05%GOSSAMER BIO INCGOSS1381694.00
0.05%VENTYX BIOSCIENCES INCVTYX478993.00
0.05%CYTEK BIOSCIENCES INCCTKB866483.00
0.05%MYRIAD GENETICS INCMYGN663060.00
0.05%ALVOTECH SAALVO816202.00
0.05%KALVISTA PHARMACEUTICALS INCKALV282476.00
0.05%ARRIVENT BIOPHARMA INCAVBP194638.00
0.05%GH RESEARCH PLCGHRS335288.00
0.05%VIR BIOTECHNOLOGY INCVIR699444.00
0.05%ZENAS BIOPHARMA INCZBIO98784.00
0.05%CYTOMX THERAPEUTICS INCCTMX955942.00
0.05%FULCRUM THERAPEUTICS INCFULC358893.00
0.05%ERASCA INCERAS1194026.00
0.05%SAVARA INCSVRA642690.00
0.05%BICARA THERAPEUTICS INCBCAX239724.00
0.05%FULGENT GENETICS INCFLGT149324.00
0.05%BRIDGEBIO ONCOLOGY THERAPEUTICS INBBOT322808.00
0.04%STANDARD BIOTOOLS INCLAB2755010.00
0.04%OPKO HEALTH INCOPK2928939.00
0.04%ALTO NEUROSCIENCE INCANRO204682.00
0.04%IRONWOOD PHARMA INC CLASS AIRWD1171419.00
0.04%ZEVRA THERAPEUTICS INCZVRA417482.00
0.04%ABSCI CORPABSI1014634.00
0.04%COMPASS PATHWAYS ADR PLCCMPS538496.00
0.04%PACIFIC BIOSCIENCES OF CALIFORNIAPACB2024840.00
0.04%LENZ THERAPEUTICS INCLENZ208317.00
0.04%MEIRAGTX HOLDINGS PLCMGTX435741.00
0.04%ENANTA PHARMACEUTICALS INCENTA204753.00
0.04%ORIC PHARMACEUTICALS INCORIC401010.00
0.04%CORVUS PHARMACEUTICALS INCCRVS428288.00
0.04%PERSONALIS INCPSNL396857.00
0.04%PROTHENA PLCPRTA324408.00
0.04%CULLINAN THERAPEUTICS INCCGEM294815.00
0.04%4D MOLECULAR THERAPEUTICS INCFDMT380380.00
0.03%CUREVAC NVCVAC695340.00
0.03%ALTIMMUNE INCALT773811.00
0.03%VANDA PHARMACEUTICALS INCVNDA411805.00
0.03%LINEAGE CELL THERAPEUTICS INCLCTX1626169.00
0.03%GINKGO BIOWORKS HOLDINGS INC CLASSDNA315629.00
0.03%IMMUTEP ADS REPRESENTING LTDIMMP842043.00
0.03%ADC THERAPEUTICS SAADCT742439.00
0.03%ROCKET PHARMACEUTICALS INCRCKT744550.00
0.03%MARAVAI LIFESCIENCES HOLDINGS INCMRVI789823.00
0.03%SOLID BIOSCIENCES INCSLDB440499.00
0.03%PEPGEN INCPEPG440259.00
0.03%PRIME MEDICINE INCPRME701398.00
0.03%NOVABRIDGE BIOSCIENCES ADRNBP561397.00
0.03%IMMUNEERING CORP CLASS AIMRX357146.00
0.03%ANAVEX LIFE SCIENCES CORPAVXL645531.00
0.03%BIOAGE LABS INCBIOA168252.00
0.03%AUTOLUS THERAPEUTICS ADR PLCAUTL1375267.00
0.03%DESIGN THERAPEUTICS INCDSGN233752.00
0.02%ACLARIS THERAPEUTICS INCACRS691616.00
0.02%AURA BIOSCIENCES INCAURA351867.00
0.02%NEUROGENE INCNGNE98516.00
0.02%CANDEL THERAPEUTICS INCCADL306968.00
0.02%LYELL IMMUNOPHARMA INCLYEL52492.00
0.02%QUANTERIX CORPQTRX281485.00
0.02%CONTINEUM THERAPEUTICS INC CLASS ACTNM140127.00
0.02%BICYCLE THERAPEUTICS ADR PLCBCYC254007.00
0.02%ATEA PHARMACEUTICALS INCAVIR461194.00
0.02%ALLOGENE THERAPEUTICS INCALLO1192021.00
0.02%ENTRADA THERAPEUTICS INCTRDA157709.00
0.02%EDITAS MEDICINE INCEDIT725695.00
0.02%OMNIAB INCOABI815272.00
0.02%QUANTUM SI INC CLASS AQSI1273142.00
0.02%TECTONIC THERAPEUTIC INCTECX74870.00
0.02%CELLECTIS ADR REPRESENTING SACLLS322667.00
0.02%KYVERNA THERAPEUTICS INCKYTX156540.00
0.02%VOYAGER THERAPEUTICS INCVYGR342381.00
0.02%CABALETTA BIO INCCABA631260.00
0.02%LARIMAR THERAPEUTICS INCLRMR348607.00
0.02%AC IMMUNE SAACIU436821.00
0.02%PERSPECTIVE THERAPEUTICS INCCATX467909.00
0.01%AARDVARK THERAPEUTICS INCAARD93309.00
0.01%HUMACYTE INCHUMA1181372.00
0.01%C4 THERAPEUTICS INCCCCC580223.00
0.01%ARCTURUS THERAPEUTICS HOLDINGS INCARCT194533.00
0.01%SAGIMET BIOSCIENCES INC SERIES ASGMT196870.00
0.01%SILENCE THERAPEUTICS ADR REPRESENTSLN178933.00
0.01%FOGHORN THERAPEUTICS INCFHTX199951.00
0.01%CARIBOU BIOSCIENCES INCCRBU618586.00
0.01%CODEXIS INCCDXS630364.00
0.01%USD CASHUSD1025520.00
0.01%BLACK DIAMOND THERAPEUTICS INCBDTX334568.00
0.01%TENAYA THERAPEUTICS INCTNYA1145105.00
0.01%NEUMORA THERAPEUTICS INCNMRA407266.00
0.01%JYONG BIOTECH LTDMENS214884.00
0.01%CASH COLLATERAL USD SGAFTSGAFT457000.00
0.00%PYXIS ONCOLOGY INCPYXS359131.00
0.00%ALPHA TEKNOVA INCTKNO82873.00
0.00%AKERO THERAPEUTICS CVRAKE515954.00
0.00%CHINOOK THERAPEUTICS INCADRO320962.00
0.00%THIRD HARMONIC BIO INCTHRD134478.00
0.00%SUTRO BIOPHARMA INCSTRO139.00
0.00%CARGO THERAPEUTICS INCCRGX198104.00
0.00%RUSSELL 2000 EMINI CME MAR 26RTYH622.00
0.00%E-MINI HEALTH CARE SECTOR MAR 26IXCH628.00

What is the market capitalization of a company?

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