ETF constituents for IBB

Below, a list of constituents for IBB (iShares Biotechnology ETF) is shown. In total, IBB consists of 257 securities.

Note: The data shown here is as of date Mar 31, 2026 (the latest that can be sourced directly from the fund provider).

Click here to go back to the full list of ETFs.

Ticker Name Sector Asset Class Market Value Weight (%)
GILD GILEAD SCIENCES INC Health Care Equity 607744526.2 7.43
VRTX VERTEX PHARMACEUTICALS INC Health Care Equity 571670545.8 6.98
AMGN AMGEN INC Health Care Equity 566535169.98 6.92
REGN REGENERON PHARMACEUTICALS INC Health Care Equity 539576857.05 6.59
ALNY ALNYLAM PHARMACEUTICALS INC Health Care Equity 292931916.0 3.58
ARGX ARGENX SE ADR Health Care Equity 272230757.85 3.33
INSM INSMED INC Health Care Equity 214824828.15 2.62
NTRA NATERA INC Health Care Equity 208169264.16 2.54
BIIB BIOGEN INC Health Care Equity 205331088.48 2.51
RVMD REVOLUTION MEDICINES INC Health Care Equity 191371246.04 2.34
UTHR UNITED THERAPEUTICS CORP Health Care Equity 185798838.96 2.27
ONC BEONE MEDICINES AG Health Care Equity 163653615.72 2.0
ILMN ILLUMINA INC Health Care Equity 155819265.9 1.9
INCY INCYTE CORP Health Care Equity 144645805.35 1.77
MRNA MODERNA INC Health Care Equity 129611074.11 1.58
NBIX NEUROCRINE BIOSCIENCES INC Health Care Equity 105558889.8 1.29
ROIV ROIVANT SCIENCES LTD Health Care Equity 103515733.64 1.26
GMAB GENMAB SPONSORED ADR Health Care Equity 97894792.48 1.2
IONS IONIS PHARMACEUTICALS INC Health Care Equity 91426293.2 1.12
EXEL EXELIXIS INC Health Care Equity 89970474.1 1.1
BBIO BRIDGEBIO PHARMA INC Health Care Equity 83236688.59 1.02
MDGL MADRIGAL PHARMACEUTICALS INC Health Care Equity 82758959.82 1.01
ASND ASCENDIS PHARMA Health Care Equity 79158839.9 0.97
ARWR ARROWHEAD PHARMACEUTICALS INC Health Care Equity 76147162.62 0.93
BMRN BIOMARIN PHARMACEUTICAL INC Health Care Equity 76107759.0 0.93
MEDP MEDPACE HOLDINGS INC Health Care Equity 71573109.79 0.87
AXSM AXSOME THERAPEUTICS INC Health Care Equity 70093719.72 0.86
CYTK CYTOKINETICS INC Health Care Equity 66252409.36 0.81
PRAX PRAXIS PRECISION MEDICINES INC Health Care Equity 65083546.05 0.8
CRL CHARLES RIVER LABORATORIES INTERNA Health Care Equity 64964658.67 0.79
PCVX VAXCYTE INC Health Care Equity 58886088.0 0.72
HALO HALOZYME THERAPEUTICS INC Health Care Equity 56873229.5 0.69
BNTX BIONTECH SE ADR Health Care Equity 56362865.24 0.69
TECH BIO TECHNE CORP Health Care Equity 53894744.5 0.66
KRYS KRYSTAL BIOTECH INC Health Care Equity 53889988.23 0.66
RGEN REPLIGEN CORP Health Care Equity 49263336.0 0.6
ABVX ABIVAX AMERICAN DEPOSITARY SHARES Health Care Equity 45916684.02 0.56
PTGX PROTAGONIST THERAPEUTICS INC Health Care Equity 45868756.81 0.56
RYTM RHYTHM PHARMACEUTICALS INC Health Care Equity 45239661.31 0.55
KYMR KYMERA THERAPEUTICS INC Health Care Equity 44335656.02 0.54
MIRM MIRUM PHARMACEUTICALS INC Health Care Equity 42660183.04 0.52
ALKS ALKERMES Health Care Equity 42408935.92 0.52
TEM TEMPUS AI INC CLASS A Health Care Equity 40859341.0 0.5
XENE XENON PHARMACEUTICALS INC Health Care Equity 39899790.0 0.49
PTCT PTC THERAPEUTICS INC Health Care Equity 38961623.61 0.48
NUVL NUVALENT INC CLASS A Health Care Equity 36576701.72 0.45
CRSP CRISPR THERAPEUTICS AG Health Care Equity 36089352.36 0.44
COGT COGENT BIOSCIENCES INC Health Care Equity 35708979.57 0.44
USD USD CASH Cash and/or Derivatives Cash 35232869.18 0.43
SYRE SPYRE THERAPEUTICS INC Health Care Equity 34518342.0 0.42
SRRK SCHOLAR ROCK HOLDING CORP Health Care Equity 32066505.03 0.39
BRKR BRUKER CORP Health Care Equity 31912727.4 0.39
CRNX CRINETICS PHARMACEUTICALS INC Health Care Equity 29882086.75 0.37
TVTX TRAVERE THERAPEUTICS INC Health Care Equity 29793956.88 0.36
APGE APOGEE THERAPEUTICS INC Health Care Equity 29498457.66 0.36
LEGN LEGEND BIOTECH ADR REP CORP Health Care Equity 28134089.76 0.34
APLS APELLIS PHARMACEUTICALS INC Health Care Equity 26649090.72 0.33
ACAD ACADIA PHARMACEUTICALS INC Health Care Equity 26526210.48 0.32
TWST TWIST BIOSCIENCE CORP Health Care Equity 25660823.21 0.31
CGON CG ONCOLOGY INC Health Care Equity 25450974.24 0.31
VCYT VERACYTE INC Health Care Equity 23550382.5 0.29
BEAM BEAM THERAPEUTICS INC Health Care Equity 22088446.38 0.27
IBRX IMMUNITYBIO INC Health Care Equity 21270853.44 0.26
DNLI DENALI THERAPEUTICS INC Health Care Equity 21242564.72 0.26
ORKA ORUKA THERAPEUTICS INC Health Care Equity 20969661.72 0.26
EWTX EDGEWISE THERAPEUTICS INC Health Care Equity 20888363.97 0.26
CNTA CENTESSA PHARMACEUTICALS AMERICAN Health Care Equity 20356815.6 0.25
ARQT ARCUTIS BIOTHERAPEUTICS INC Health Care Equity 19433936.84 0.24
KOD KODIAK SCIENCES INC Health Care Equity 19131449.22 0.23
TARS TARSUS PHARMACEUTICALS INC Health Care Equity 19013017.92 0.23
TXG 10X GENOMICS INC CLASS A Health Care Equity 18889594.98 0.23
IMVT IMMUNOVANT INC Health Care Equity 17720554.29 0.22
IDYA IDEAYA BIOSCIENCES INC Health Care Equity 17464435.8 0.21
RARE ULTRAGENYX PHARMACEUTICAL INC Health Care Equity 17407405.39 0.21
DYN DYNE THERAPEUTICS INC Health Care Equity 17055098.4 0.21
ADMA ADMA BIOLOGICS INC Health Care Equity 17024777.28 0.21
CAI CARIS LIFE SCIENCES INC Health Care Equity 16948912.18 0.21
SRPT SAREPTA THERAPEUTICS INC Health Care Equity 16810149.72 0.21
NAMS NEWAMSTERDAM PHARMA NV Health Care Equity 16466908.38 0.2
DFTX DEFINIUM THERAPEUTICS INC Health Care Equity 16252004.54 0.2
GRAL GRAIL INC Health Care Equity 16161137.0 0.2
TNGX TANGO THERAPEUTICS INC Health Care Equity 16030752.28 0.2
ADPT ADAPTIVE BIOTECHNOLOGIES CORP Health Care Equity 15749753.37 0.19
RCUS ARCUS BIOSCIENCES INC Health Care Equity 15702518.0 0.19
GPCR STRUCTURE THERAPEUTICS ADR INC Health Care Equity 15420612.24 0.19
VERA VERA THERAPEUTICS INC CLASS A Health Care Equity 15144730.96 0.19
BCRX BIOCRYST PHARMACEUTICALS INC Health Care Equity 14951786.02 0.18
ERAS ERASCA INC Health Care Equity 14876559.8 0.18
IRON DISC MEDICINE INC Health Care Equity 14551191.3 0.18
ZYME ZYMEWORKS INC Health Care Equity 14439781.51 0.18
SMMT SUMMIT THERAPEUTICS INC Health Care Equity 14079990.75 0.17
AUPH AURINIA PHARMACEUTICALS INC Health Care Equity 14018931.41 0.17
VCEL VERICEL CORP Health Care Equity 13557917.16 0.17
ALMS ALUMIS INC Health Care Equity 13348944.0 0.16
ELVN ENLIVEN THERAPEUTICS INC Health Care Equity 13115896.4 0.16
MLYS MINERALYS THERAPEUTICS INC Health Care Equity 13064730.72 0.16
SNDX SYNDAX PHARMACEUTICALS INC Health Care Equity 12870236.4 0.16
ANAB ANAPTYSBIO INC Health Care Equity 12752527.84 0.16
ZLAB ZAI LABORATORY ADR REPRESENTING LT Health Care Equity 12728446.28 0.16
RLAY RELAY THERAPEUTICS INC Health Care Equity 12498730.48 0.15
NVCR NOVOCURE LTD Health Care Equity 12422697.91 0.15
NRIX NURIX THERAPEUTICS INC Health Care Equity 12015589.12 0.15
RXRX RECURSION PHARMACEUTICALS INC CLAS Health Care Equity 11568285.54 0.14
TSHA TAYSHA GENE THERAPIES INC Health Care Equity 11519456.96 0.14
NTLA INTELLIA THERAPEUTICS INC Health Care Equity 11416624.25 0.14
AMLX AMYLYX PHARMACEUTICALS INC Health Care Equity 10896742.12 0.13
STOK STOKE THERAPEUTICS INC Health Care Equity 10893775.36 0.13
FTRE FORTREA HOLDINGS INC Health Care Equity 10717310.0 0.13
NVAX NOVAVAX INC Health Care Equity 10685478.96 0.13
AGIO AGIOS PHARMACEUTICALS INC Health Care Equity 10655346.3 0.13
XTSLA BLK CSH FND TREASURY SL AGENCY Cash and/or Derivatives Money Market 10635119.59 0.13
INBX INHIBRX BIOSCIENCES INC Health Care Equity 10616440.32 0.13
IOVA IOVANCE BIOTHERAPEUTICS INC Health Care Equity 10478003.31 0.13
QURE UNIQURE NV Health Care Equity 9339906.52 0.11
BHVN BIOHAVEN LTD Health Care Equity 9095195.84 0.11
TYRA TYRA BIOSCIENCES INC Health Care Equity 9089191.8 0.11
NUVB NUVATION BIO INC CLASS A Health Care Equity 8943369.12 0.11
ATAI ATAIBECKLEY INC Health Care Equity 8889059.73 0.11
TRVI TREVI THERAPEUTICS INC Health Care Equity 8648333.5 0.11
ABCL ABCELLERA BIOLOGICS INC Health Care Equity 8640767.52 0.11
WVE WAVE LIFE SCIENCES LTD Health Care Equity 8467072.56 0.1
IMCR IMMUNOCORE HOLDINGS ADR PLC Health Care Equity 8417315.76 0.1
VIR VIR BIOTECHNOLOGY INC Health Care Equity 8207437.77 0.1
GRFS GRIFOLS ADR REPRESENTING ONE NON-V Health Care Equity 8136195.63 0.1
RAPP RAPPORT THERAPEUTICS INC Health Care Equity 7980871.0 0.1
SION SIONNA THERAPEUTICS INC Health Care Equity 7927567.83 0.1
MNKD MANNKIND CORP Health Care Equity 7758881.16 0.09
GLPG GALAPAGOS ADR REPRESENTING NV Health Care Equity 7741880.82 0.09
OLMA OLEMA PHARMACEUTICALS INC Health Care Equity 7516513.27 0.09
URGN UROGEN PHARMA LTD Health Care Equity 7431637.5 0.09
GHRS GH RESEARCH PLC Health Care Equity 7425440.88 0.09
KALV KALVISTA PHARMACEUTICALS INC Health Care Equity 7315000.8 0.09
CRVS CORVUS PHARMACEUTICALS INC Health Care Equity 7235992.05 0.09
MESO MESOBLAST ADR REPRESENTING LTD Health Care Equity 7194609.27 0.09
GERN GERON CORP Health Care Equity 7055867.62 0.09
CDNA CAREDX INC Health Care Equity 7000274.9 0.09
CMPS COMPASS PATHWAYS ADR PLC Health Care Equity 6994455.2 0.09
GLUE MONTE ROSA THERAPEUTICS INC Health Care Equity 6993688.44 0.09
STVN STEVANATO GROUP Health Care Equity 6974083.0 0.09
XNCR XENCOR INC Health Care Equity 6618200.01 0.08
BCAX BICARA THERAPEUTICS INC Health Care Equity 6453226.16 0.08
MBX MBX BIOSCIENCES INC Health Care Equity 6358186.12 0.08
MAZE MAZE THERAPEUTICS INC Health Care Equity 6084738.31 0.07
KURA KURA ONCOLOGY INC Health Care Equity 5961224.04 0.07
ANNX ANNEXON INC Health Care Equity 5939434.2 0.07
TBPH THERAVANCE BIOPHARMA INC Health Care Equity 5938435.58 0.07
AVBP ARRIVENT BIOPHARMA INC Health Care Equity 5906879.64 0.07
PHVS PHARVARIS N V NV Health Care Equity 5736888.41 0.07
JANX JANUX THERAPEUTICS INC Health Care Equity 5690893.48 0.07
ABSI ABSCI CORP Health Care Equity 5675074.3 0.07
IRWD IRONWOOD PHARMA INC CLASS A Health Care Equity 5634006.63 0.07
CSTL CASTLE BIOSCIENCES INC Health Care Equity 5300658.0 0.06
ANRO ALTO NEUROSCIENCE INC Health Care Equity 5172728.82 0.06
CTMX CYTOMX THERAPEUTICS INC Health Care Equity 5139016.82 0.06
ABUS ARBUTUS BIOPHARMA CORP Health Care Equity 4922527.48 0.06
SEPN SEPTERNA INC Health Care Equity 4854427.76 0.06
MGTX MEIRAGTX HOLDINGS PLC Health Care Equity 4846832.1 0.06
PGEN PRECIGEN INC Health Care Equity 4837148.8 0.06
CGEM CULLINAN THERAPEUTICS INC Health Care Equity 4832476.2 0.06
ZVRA ZEVRA THERAPEUTICS INC Health Care Equity 4553010.0 0.06
SANA SANA BIOTECHNOLOGY INC Health Care Equity 4487024.36 0.05
PHAT PHATHOM PHARMACEUTICALS INC Health Care Equity 4423781.18 0.05
SLDB SOLID BIOSCIENCES INC Health Care Equity 4269376.8 0.05
SPRY ARS PHARMACEUTICALS INC Health Care Equity 4206456.96 0.05
CTKB CYTEK BIOSCIENCES INC Health Care Equity 4197829.22 0.05
ARVN ARVINAS INC Health Care Equity 4053664.44 0.05
SVRA SAVARA INC Health Care Equity 3998016.99 0.05
BIOA BIOAGE LABS INC Health Care Equity 3901022.58 0.05
ALLO ALLOGENE THERAPEUTICS INC Health Care Equity 3884315.82 0.05
ORIC ORIC PHARMACEUTICALS INC Health Care Equity 3860997.3 0.05
ZBIO ZENAS BIOPHARMA INC Health Care Equity 3584801.34 0.04
ACRS ACLARIS THERAPEUTICS INC Health Care Equity 3581634.88 0.04
PRTA PROTHENA PLC Health Care Equity 3536155.74 0.04
FDMT 4D MOLECULAR THERAPEUTICS INC Health Care Equity 3452687.84 0.04
RIGL RIGEL PHARMACEUTICALS INC Health Care Equity 3418427.25 0.04
RGNX REGENXBIO INC Health Care Equity 3407143.6 0.04
PACB PACIFIC BIOSCIENCES OF CALIFORNIA Health Care Equity 3381374.52 0.04
DSGN DESIGN THERAPEUTICS INC Health Care Equity 3356888.7 0.04
EBS EMERGENT BIOSOLUTIONS INC Health Care Equity 3351457.2 0.04
SGAFT CASH COLLATERAL USD SGAFT Cash and/or Derivatives Cash Collateral and Margins 3298000.0 0.04
OPK OPKO HEALTH INC Health Care Equity 3158046.08 0.04
DNA GINKGO BIOWORKS HOLDINGS INC CLASS Health Care Equity 3128761.44 0.04
ENTA ENANTA PHARMACEUTICALS INC Health Care Equity 3058835.64 0.04
MRVI MARAVAI LIFESCIENCES HOLDINGS INC Health Care Equity 3010238.8 0.04
CADL CANDEL THERAPEUTICS INC Health Care Equity 3001306.28 0.04
FULC FULCRUM THERAPEUTICS INC Health Care Equity 2987828.19 0.04
NGNE NEUROGENE INC Health Care Equity 2967732.35 0.04
ALT ALTIMMUNE INC Health Care Equity 2954821.62 0.04
VNDA VANDA PHARMACEUTICALS INC Health Care Equity 2947705.68 0.04
CTNM CONTINEUM THERAPEUTICS INC CLASS A Health Care Equity 2928150.36 0.04
ALVO ALVOTECH SA Health Care Equity 2866417.26 0.04
RCKT ROCKET PHARMACEUTICALS INC Health Care Equity 2841519.7 0.03
LXEO LEXEO THERAPEUTICS INC Health Care Equity 2787619.73 0.03
AURA AURA BIOSCIENCES INC Health Care Equity 2741975.53 0.03
PSNL PERSONALIS INC Health Care Equity 2736538.1 0.03
CABA CABALETTA BIO INC Health Care Equity 2671895.98 0.03
MYGN MYRIAD GENETICS INC Health Care Equity 2665030.86 0.03
BBOT BRIDGEBIO ONCOLOGY THERAPEUTICS IN Health Care Equity 2644241.88 0.03
LAB STANDARD BIOTOOLS INC Health Care Equity 2602921.23 0.03
CATX PERSPECTIVE THERAPEUTICS INC Health Care Equity 2591178.58 0.03
TRDA ENTRADA THERAPEUTICS INC Health Care Equity 2579595.69 0.03
AVIR ATEA PHARMACEUTICALS INC Health Care Equity 2542601.7 0.03
ADCT ADC THERAPEUTICS SA Health Care Equity 2541586.12 0.03
PRME PRIME MEDICINE INC Health Care Equity 2348535.2 0.03
KYTX KYVERNA THERAPEUTICS INC Health Care Equity 2331381.42 0.03
EDIT EDITAS MEDICINE INC Health Care Equity 2270769.52 0.03
LCTX LINEAGE CELL THERAPEUTICS INC Health Care Equity 2268044.35 0.03
AUTL AUTOLUS THERAPEUTICS ADR PLC Health Care Equity 2197805.9 0.03
AVXL ANAVEX LIFE SCIENCES CORP Health Care Equity 2183865.68 0.03
FLGT FULGENT GENETICS INC Health Care Equity 2170755.56 0.03
TECX TECTONIC THERAPEUTIC INC Health Care Equity 2154154.6 0.03
IMRX IMMUNEERING CORP CLASS A Health Care Equity 1980000.57 0.02
LENZ LENZ THERAPEUTICS INC Health Care Equity 1959774.08 0.02
REPL REPLIMUNE GROUP INC Health Care Equity 1921160.88 0.02
UPB UPSTREAM BIO INC Health Care Equity 1915113.29 0.02
ARCT ARCTURUS THERAPEUTICS HOLDINGS INC Health Care Equity 1756931.55 0.02
CDXS CODEXIS INC Health Care Equity 1745920.26 0.02
CCCC C4 THERAPEUTICS INC Health Care Equity 1744949.78 0.02
SGMT SAGIMET BIOSCIENCES INC SERIES A Health Care Equity 1632549.7 0.02
KROS KEROS THERAPEUTICS INC Health Care Equity 1601066.92 0.02
LRMR LARIMAR THERAPEUTICS INC Health Care Equity 1517804.4 0.02
VYGR VOYAGER THERAPEUTICS INC Health Care Equity 1430080.65 0.02
HUMA HUMACYTE INC Health Care Equity 1394195.5 0.02
ACIU AC IMMUNE SA Health Care Equity 1366550.46 0.02
QSI QUANTUM SI INC CLASS A Health Care Equity 1323409.92 0.02
CLLS CELLECTIS ADR REPRESENTING SA Health Care Equity 1313217.0 0.02
SLN SILENCE THERAPEUTICS ADR REPRESENT Health Care Equity 1247762.88 0.02
BCYC BICYCLE THERAPEUTICS ADR PLC Health Care Equity 1229650.05 0.02
OABI OMNIAB INC Health Care Equity 1222732.94 0.01
CRBU CARIBOU BIOSCIENCES INC Health Care Equity 1206490.35 0.01
NBP NOVABRIDGE BIOSCIENCES ADR Health Care Equity 1187408.25 0.01
LYEL LYELL IMMUNOPHARMA INC Health Care Equity 1109553.6 0.01
FHTX FOGHORN THERAPEUTICS INC Health Care Equity 1021728.24 0.01
BDTX BLACK DIAMOND THERAPEUTICS INC Health Care Equity 963512.22 0.01
NMRA NEUMORA THERAPEUTICS INC Health Care Equity 960500.56 0.01
TNYA TENAYA THERAPEUTICS INC Health Care Equity 927548.61 0.01
QTRX QUANTERIX CORP Health Care Equity 916630.19 0.01
PEPG PEPGEN INC Health Care Equity 814537.98 0.01
PYXS PYXIS ONCOLOGY INC Health Care Equity 776459.3 0.01
GOSS GOSSAMER BIO INC Health Care Equity 517443.61 0.01
AARD AARDVARK THERAPEUTICS INC Health Care Equity 516723.81 0.01
MENS JYONG BIOTECH LTD Health Care Equity 434265.6 0.01
AKE AKERO THERAPEUTICS CVR Health Care Equity 340529.64 0.0
IMMP IMMUTEP ADS REPRESENTING LTD Health Care Equity 319409.26 0.0
TKNO ALPHA TEKNOVA INC Health Care Equity 283530.52 0.0
ADRO CHINOOK THERAPEUTICS INC Health Care Equity 54563.54 0.0
nan ARCELLX INC Prvt Health Care Equity 23506.98 0.0
nan CARTESIAN THERAPEUTICS INC Health Care Equity 1948.96 0.0
nan FUSION PHARMACEUTICALS INC CVR Health Care Equity 1034.0 0.0
THRD THIRD HARMONIC BIO INC Health Care Equity 1.34 0.0
nan AKOUOS CVRS Prvt Consumer Staples Equity 1.57 0.0
CRGX CARGO THERAPEUTICS INC Health Care Equity 1.98 0.0
nan OMNIAB INC $12.50 VESTING Prvt Health Care Equity 0.47 0.0
nan OMNIAB INC $15.00 VESTING Prvt Health Care Equity 0.47 0.0
RTYM6 RUSSELL 2000 EMINI CME JUN 26 Cash and/or Derivatives Futures 0.0 0.0
IXCM6 E-MINI HEALTH CARE SECTOR JUN 26 Cash and/or Derivatives Futures 0.0 0.0
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