Companies: 10,813     total market cap: $147.818 T
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iShares Biotechnology ETF
IBB
#331
ETF rank
$8.20 B
Marketcap
๐Ÿ‡บ๐Ÿ‡ธ US
Market
$173.87
Share price
2.07%
Change (1 day)
46.69%
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 May 4, 2026Number of holdings: 251

Full holdings list

Weight %NameTickerShares Held
7.39%
GILEAD SCIENCES INCGILD4473088.00
7.17%
VERTEX PHARMACEUTICALS INCVRTX1341035.00
6.92%
AMGEN INCAMGN1716472.00
6.63%
REGENERON PHARMACEUTICALS INCREGN750706.00
3.60%
ALNYLAM PHARMACEUTICALS INCALNY969853.00
3.41%
ARGENX SE ADRARGX338181.00
2.74%
INSMED INCINSM1572030.00
2.56%
NATERA INCNTRA970911.00
2.52%
BIOGEN INCBIIB1080268.00
2.34%
REVOLUTION MEDICINES INCRVMD1270810.00
2.26%
UNITED THERAPEUTICS CORPUTHR312339.00
1.94%
BEONE MEDICINES AGONC523986.00
1.90%
ILLUMINA INCILMN1096338.00
1.76%
INCYTE CORPINCY1453248.00
1.57%
MODERNA INCMRNA2664978.00
1.27%
ROIVANT SCIENCES LTDROIV3603253.00
1.20%
NEUROCRINE BIOSCIENCES INCNBIX720279.00
1.18%
GENMAB SPONSORED ADRGMAB3521222.00
1.12%
IONIS PHARMACEUTICALS INCIONS1193464.00
1.05%
BRIDGEBIO PHARMA INCBBIO1226348.00
1.02%
EXELIXIS INCEXEL1853332.00
0.99%
MADRIGAL PHARMACEUTICALS INCMDGL153823.00
0.97%
BIOMARIN PHARMACEUTICAL INCBMRN1398358.00
0.96%
ASCENDIS PHARMAASND336632.00
0.92%
ARROWHEAD PHARMACEUTICALS INCARWR965252.00
0.88%
AXSOME THERAPEUTICS INCAXSM315849.00
0.87%
MEDPACE HOLDINGS INCMEDP168235.00
0.81%
PRAXIS PRECISION MEDICINES INCPRAX193130.00
0.78%
BIO TECHNE CORPTECH1140524.00
0.77%
CHARLES RIVER LABORATORIES INTERNACRL358619.00
0.75%
VAXCYTE INCPCVX1034568.00
0.73%
BIONTECH SE ADRBNTX593561.00
0.73%
CYTOKINETICS INCCYTK888077.00
0.69%
HALOZYME THERAPEUTICS INCHALO859903.00
0.67%
KRYSTAL BIOTECH INCKRYS187071.00
0.58%
REPLIGEN CORPRGEN392973.00
0.55%
PROTAGONIST THERAPEUTICS INCPTGX442580.00
0.54%
KYMERA THERAPEUTICS INCKYMR515615.00
0.53%
TEMPUS AI INC CLASS ATEM766162.00
0.53%
ABIVAX AMERICAN DEPOSITARY SHARESABVX364021.00
0.51%
ALKERMESALKS1204534.00
0.51%
MIRUM PHARMACEUTICALS INCMIRM388774.00
0.50%
RHYTHM PHARMACEUTICALS INCRYTM469765.00
0.49%
XENON PHARMACEUTICALS INCXENE683172.00
0.48%
PTC THERAPEUTICS INCPTCT587139.00
0.46%
TERNS PHARMACEUTICALS INCTERN704986.00
0.46%
COGENT BIOSCIENCES INCCOGT998685.00
0.45%
NUVALENT INC CLASS ANUVL351941.00
0.44%
CRISPR THERAPEUTICS AGCRSP657305.00
0.41%
SPYRE THERAPEUTICS INCSYRE474363.00
0.40%
SCHOLAR ROCK HOLDING CORPSRRK682842.00
0.37%
TRAVERE THERAPEUTICS INCTVTX667759.00
0.37%
CRINETICS PHARMACEUTICALS INCCRNX718708.00
0.36%
APOGEE THERAPEUTICS INCAPGE350042.00
0.34%
BRUKER CORPBRKR756844.00
0.34%
ACADIA PHARMACEUTICALS INCACAD1238862.00
0.33%
APELLIS PHARMACEUTICALS INCAPLS650148.00
0.32%
LEGEND BIOTECH ADR REP CORPLEGN974577.00
0.32%
CG ONCOLOGY INCCGON375418.00
0.30%
TWIST BIOSCIENCE CORPTWST432431.00
0.26%
BEAM THERAPEUTICS INCBEAM685185.00
0.25%
CENTESSA PHARMACEUTICALS AMERICANCNTA515699.00
0.25%
ORUKA THERAPEUTICS INCORKA301425.00
0.24%
DENALI THERAPEUTICS INCDNLI1044110.00
0.24%
VERACYTE INCVCYT573574.00
0.24%
TARSUS PHARMACEUTICALS INCTARS294528.00
0.24%
ARCUTIS BIOTHERAPEUTICS INCARQT806614.00
0.24%
IMMUNITYBIO INCIBRX2546379.00
0.22%
10X GENOMICS INC CLASS ATXG833326.00
0.22%
EDGEWISE THERAPEUTICS INCEWTX566503.00
0.22%
KODIAK SCIENCES INCKOD418227.00
0.22%
IDEAYA BIOSCIENCES INCIDYA609608.00
0.22%
ADMA BIOLOGICS INCADMA1694351.00
0.21%
IMMUNOVANT INCIMVT620058.00
0.21%
ULTRAGENYX PHARMACEUTICAL INCRARE673462.00
0.21%
CARIS LIFE SCIENCES INCCAI888812.00
0.20%
STRUCTURE THERAPEUTICS ADR INCGPCR378789.00
0.20%
SAREPTA THERAPEUTICS INCSRPT732252.00
0.20%
DYNE THERAPEUTICS INCDYN908146.00
0.20%
NEWAMSTERDAM PHARMA NVNAMS533057.00
0.20%
ADAPTIVE BIOTECHNOLOGIES CORPADPT1094939.00
0.20%
ARCUS BIOSCIENCES INCRCUS605869.00
0.19%
BIOCRYST PHARMACEUTICALS INCBCRX1698691.00
0.19%
TANGO THERAPEUTICS INCTNGX680857.00
0.19%
DEFINIUM THERAPEUTICS INCDFTX696148.00
0.18%
VERA THERAPEUTICS INC CLASS AVERA415167.00
0.18%
DISC MEDICINE INCIRON212637.00
0.18%
GRAIL INCGRAL258370.00
0.17%
ZYMEWORKS INCZYME524659.00
0.17%
ERASCA INCERAS1369172.00
0.17%
AURINIA PHARMACEUTICALS INCAUPH865720.00
0.17%
BLK CSH FND TREASURY SL AGENCYXTSLA13531851.00
0.17%
VERICEL CORPVCEL369798.00
0.17%
SUMMIT THERAPEUTICS INCSMMT791309.00
0.17%
ENLIVEN THERAPEUTICS INCELVN319361.00
0.17%
ALUMIS INCALMS525156.00
0.16%
ANAPTYSBIO INCANAB189922.00
0.16%
MINERALYS THERAPEUTICS INCMLYS435139.00
0.16%
ZAI LABORATORY ADR REPRESENTING LTZLAB607760.00
0.16%
NOVOCURE LTDNVCR755519.00
0.16%
RELAY THERAPEUTICS INCRLAY970478.00
0.16%
SYNDAX PHARMACEUTICALS INCSNDX625242.00
0.15%
NURIX THERAPEUTICS INCNRIX714092.00
0.15%
RECURSION PHARMACEUTICALS INC CLASRXRX3383430.00
0.14%
INTELLIA THERAPEUTICS INCNTLA826933.00
0.14%
STOKE THERAPEUTICS INCSTOK328381.00
0.14%
AMYLYX PHARMACEUTICALS INCAMLX680665.00
0.14%
TAYSHA GENE THERAPIES INCTSHA1655614.00
0.14%
AGIOS PHARMACEUTICALS INCAGIO396195.00
0.12%
IOVANCE BIOTHERAPEUTICS INCIOVA2570025.00
0.12%
INHIBRX BIOSCIENCES INCINBX75088.00
0.12%
TYRA BIOSCIENCES INCTYRA269769.00
0.11%
BIOHAVEN LTDBHVN908785.00
0.11%
NOVAVAX INCNVAX1145250.00
0.11%
ATAIBECKLEY INCATAI2138464.00
0.11%
TREVI THERAPEUTICS INCTRVI608410.00
0.11%
WAVE LIFE SCIENCES LTDWVE1165166.00
0.11%
UNIQURE NVQURE410591.00
0.10%
FORTREA HOLDINGS INCFTRE687434.00
0.10%
VIR BIOTECHNOLOGY INCVIR800157.00
0.10%
GRIFOLS ADR REPRESENTING ONE NON-VGRFS970527.00
0.10%
ABCELLERA BIOLOGICS INCABCL1719904.00
0.10%
NUVATION BIO INC CLASS ANUVB1780136.00
0.10%
IMMUNOCORE HOLDINGS ADR PLCIMCR274785.00
0.10%
RAPPORT THERAPEUTICS INCRAPP216037.00
0.10%
GALAPAGOS ADR REPRESENTING NVGLPG269580.00
0.09%
CORVUS PHARMACEUTICALS INCCRVS469843.00
0.09%
SIONNA THERAPEUTICS INCSION183712.00
0.09%
KALVISTA PHARMACEUTICALS INCKALV274638.00
0.09%
MESOBLAST ADR REPRESENTING LTDMESO456519.00
0.09%
OLEMA PHARMACEUTICALS INCOLMA496411.00
0.09%
GH RESEARCH PLCGHRS331958.00
0.09%
GERON CORPGERN4479977.00
0.09%
CAREDX INCCDNA335207.00
0.09%
COMPASS PATHWAYS ADR PLCCMPS718931.00
0.08%
XENCOR INCXNCR510324.00
0.08%
MONTE ROSA THERAPEUTICS INCGLUE344087.00
0.08%
UROGEN PHARMA LTDURGN284013.00
0.08%
STEVANATO GROUPSTVN368227.00
0.08%
MAZE THERAPEUTICS INCMAZE230605.00
0.08%
BICARA THERAPEUTICS INCBCAX272236.00
0.08%
MANNKIND CORPMNKD2186409.00
0.08%
ARRIVENT BIOPHARMA INCAVBP200058.00
0.07%
ANNEXON INCANNX1045327.00
0.07%
THERAVANCE BIOPHARMA INCTBPH351676.00
0.07%
MBX BIOSCIENCES INCMBX198581.00
0.07%
KURA ONCOLOGY INCKURA625548.00
0.07%
PHARVARIS N V NVPHVS191137.00
0.07%
JANUX THERAPEUTICS INCJANX390496.00
0.07%
CASTLE BIOSCIENCES INCCSTL214852.00
0.07%
ABSCI CORPABSI956836.00
0.07%
IRONWOOD PHARMA INC CLASS AIRWD1170181.00
0.07%
ALTO NEUROSCIENCE INCANRO211890.00
0.06%
CYTOMX THERAPEUTICS INCCTMX1248280.00
0.06%
CULLINAN THERAPEUTICS INCCGEM323409.00
0.06%
ARBUTUS BIOPHARMA CORPABUS1117246.00
0.06%
SEPTERNA INCSEPN197083.00
0.06%
MEIRAGTX HOLDINGS PLCMGTX491139.00
0.06%
PRECIGEN INCPGEN1102856.00
0.06%
PHATHOM PHARMACEUTICALS INCPHAT350267.00
0.05%
SOLID BIOSCIENCES INCSLDB594859.00
0.05%
ARVINAS INCARVN396354.00
0.05%
SANA BIOTECHNOLOGY INCSANA1236629.00
0.05%
ZEVRA THERAPEUTICS INCZVRA406002.00
0.05%
SAVARA INCSVRA761055.00
0.05%
ARS PHARMACEUTICALS INCSPRY454728.00
0.05%
ORIC PHARMACEUTICALS INCORIC416484.00
0.05%
CYTEK BIOSCIENCES INCCTKB852472.00
0.05%
ALLOGENE THERAPEUTICS INCALLO1686883.00
0.05%
RIGEL PHARMACEUTICALS INCRIGL128583.00
0.05%
ZENAS BIOPHARMA INCZBIO172647.00
0.04%
BIOAGE LABS INCBIOA211998.00
0.04%
PROTHENA PLCPRTA317301.00
0.04%
ACLARIS THERAPEUTICS INCACRS751684.00
0.04%
MYRIAD GENETICS INCMYGN650493.00
0.04%
EMERGENT BIOSOLUTIONS INCEBS369465.00
0.04%
OPKO HEALTH INCOPK2828672.00
0.04%
REGENXBIO INCRGNX334442.00
0.04%
4D MOLECULAR THERAPEUTICS INCFDMT332408.00
0.04%
GINKGO BIOWORKS HOLDINGS INC CLASSDNA311383.00
0.04%
PACIFIC BIOSCIENCES OF CALIFORNIAPACB1983715.00
0.04%
DESIGN THERAPEUTICS INCDSGN231449.00
0.04%
VANDA PHARMACEUTICALS INCVNDA397460.00
0.04%
CANDEL THERAPEUTICS INCCADL394610.00
0.04%
FULCRUM THERAPEUTICS INCFULC421570.00
0.04%
ENANTA PHARMACEUTICALS INCENTA201350.00
0.04%
MARAVAI LIFESCIENCES HOLDINGS INCMRVI766456.00
0.04%
ALVOTECH SAALVO805477.00
0.03%
CONTINEUM THERAPEUTICS INC CLASS ACTNM196618.00
0.03%
AURA BIOSCIENCES INCAURA331810.00
0.03%
CABALETTA BIO INCCABA718609.00
0.03%
ALTIMMUNE INCALT909276.00
0.03%
PERSPECTIVE THERAPEUTICS INCCATX680482.00
0.03%
BRIDGEBIO ONCOLOGY THERAPEUTICS INBBOT318447.00
0.03%
PERSONALIS INCPSNL452267.00
0.03%
ROCKET PHARMACEUTICALS INCRCKT738491.00
0.03%
LEXEO THERAPEUTICS INCLXEO448879.00
0.03%
NEUROGENE INCNGNE92089.00
0.03%
ATEA PHARMACEUTICALS INCAVIR451452.00
0.03%
ENTRADA THERAPEUTICS INCTRDA161436.00
0.03%
STANDARD BIOTOOLS INCLAB2696148.00
0.03%
ADC THERAPEUTICS SAADCT660542.00
0.03%
PRIME MEDICINE INCPRME690916.00
0.03%
LINEAGE CELL THERAPEUTICS INCLCTX1591100.00
0.03%
ANAVEX LIFE SCIENCES CORPAVXL655937.00
0.03%
KYVERNA THERAPEUTICS INCKYTX246972.00
0.03%
TECTONIC THERAPEUTIC INCTECX74467.00
0.03%
FULGENT GENETICS INCFLGT145958.00
0.03%
EDITAS MEDICINE INCEDIT717483.00
0.03%
IMMUNEERING CORP CLASS AIMRX382718.00
0.03%
AUTOLUS THERAPEUTICS ADR PLCAUTL1296949.00
0.02%
UPSTREAM BIO INCUPB209054.00
0.02%
LENZ THERAPEUTICS INCLENZ203101.00
0.02%
C4 THERAPEUTICS INCCCCC597445.00
0.02%
REPLIMUNE GROUP INCREPL560256.00
0.02%
ARCTURUS THERAPEUTICS HOLDINGS INCARCT193050.00
0.02%
CODEXIS INCCDXS658455.00
0.02%
KEROS THERAPEUTICS INCKROS136346.00
0.02%
LARIMAR THERAPEUTICS INCLRMR366903.00
0.02%
SAGIMET BIOSCIENCES INC SERIES ASGMT195436.00
0.02%
AC IMMUNE SAACIU461585.00
0.02%
VOYAGER THERAPEUTICS INCVYGR344037.00
0.02%
HUMACYTE INCHUMA1422395.00
0.02%
NOVABRIDGE BIOSCIENCES ADRNBP529420.00
0.02%
QUANTUM SI INC CLASS AQSI1288959.00
0.02%
SILENCE THERAPEUTICS ADR REPRESENTSLN170073.00
0.02%
CELLECTIS ADR REPRESENTING SACLLS333519.00
0.02%
OMNIAB INCOABI857785.00
0.01%
CARIBOU BIOSCIENCES INCCRBU620687.00
0.01%
BICYCLE THERAPEUTICS ADR PLCBCYC239529.00
0.01%
LYELL IMMUNOPHARMA INCLYEL53387.00
0.01%
FOGHORN THERAPEUTICS INCFHTX219014.00
0.01%
NEUMORA THERAPEUTICS INCNMRA413546.00
0.01%
QUANTERIX CORPQTRX279499.00
0.01%
TENAYA THERAPEUTICS INCTNYA1177556.00
0.01%
BLACK DIAMOND THERAPEUTICS INCBDTX342760.00
0.01%
PEPGEN INCPEPG442891.00
0.01%
CASH COLLATERAL USD SGAFTSGAFT682000.00
0.01%
PYXIS ONCOLOGY INCPYXS338668.00
0.01%
GOSSAMER BIO INCGOSS1482276.00
0.01%
AARDVARK THERAPEUTICS INCAARD88008.00
0.01%
JYONG BIOTECH LTDMENS202629.00
0.00%
AKERO THERAPEUTICS CVRAKE515954.00
0.00%
IMMUTEP ADS REPRESENTING LTDIMMP724293.00
0.00%
ALPHA TEKNOVA INCTKNO78142.00
0.00%
CHINOOK THERAPEUTICS INCADRO320962.00
0.00%
THIRD HARMONIC BIO INCTHRD134478.00
0.00%
CARGO THERAPEUTICS INCCRGX198104.00
0.00%
RUSSELL 2000 EMINI CME JUN 26RTYM6129.00
0.00%
E-MINI HEALTH CARE SECTOR JUN 26IXCM6205.00
-0.03%
USD CASHUSD-2516814.00

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