ETF constituents for IBB

Below, a list of constituents for IBB (iShares Biotechnology ETF) is shown. In total, IBB consists of 253 securities.

Note: The data shown here is as of date Oct 31, 2025 (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 (%)
AMGN AMGEN INC Health Care Equity 665587380.06 7.72
VRTX VERTEX PHARMACEUTICALS INC Health Care Equity 656622935.22 7.61
GILD GILEAD SCIENCES INC Health Care Equity 613425875.0 7.11
REGN REGENERON PHARMACEUTICALS INC Health Care Equity 531780939.13 6.16
ALNY ALNYLAM PHARMACEUTICALS INC Health Care Equity 427442870.99 4.95
INSM INSMED INC Health Care Equity 307543894.0 3.56
ARGX ARGENX SE ADR Health Care Equity 285317379.6 3.31
IQV IQVIA HOLDINGS INC Health Care Equity 275544861.28 3.19
NTRA NATERA INC Health Care Equity 226762818.45 2.63
MTD METTLER TOLEDO INC Health Care Equity 211144026.88 2.45
BIIB BIOGEN INC Health Care Equity 190316013.0 2.21
WAT WATERS CORP Health Care Equity 169924895.1 1.97
ONC BEONE MEDICINES AG Health Care Equity 151441352.82 1.76
UTHR UNITED THERAPEUTICS CORP Health Care Equity 151392260.16 1.75
INCY INCYTE CORP Health Care Equity 140900980.5 1.63
ILMN ILLUMINA INC Health Care Equity 137562371.7 1.59
NBIX NEUROCRINE BIOSCIENCES INC Health Care Equity 105497318.24 1.22
GMAB GENMAB SPONSORED ADR Health Care Equity 103209701.76 1.2
MEDP MEDPACE HOLDINGS INC Health Care Equity 94107380.58 1.09
IONS IONIS PHARMACEUTICALS INC Health Care Equity 93082278.96 1.08
RVMD REVOLUTION MEDICINES INC Health Care Equity 90559814.64 1.05
BBIO BRIDGEBIO PHARMA INC Health Care Equity 86503538.3 1.0
MDGL MADRIGAL PHARMACEUTICALS INC Health Care Equity 84124642.3 0.98
EXEL EXELIXIS INC Health Care Equity 82523899.17 0.96
BMRN BIOMARIN PHARMACEUTICAL INC Health Care Equity 73889243.79 0.86
TECH BIO TECHNE CORP Health Care Equity 70661184.9 0.82
RNA AVIDITY BIOSCIENCES INC Health Care Equity 67716970.56 0.78
CRL CHARLES RIVER LABORATORIES INTERNA Health Care Equity 64627667.21 0.75
ROIV ROIVANT SCIENCES LTD Health Care Equity 64013238.9 0.74
RGEN REPLIGEN CORP Health Care Equity 63689403.96 0.74
MRNA MODERNA INC Health Care Equity 62210236.78 0.72
ASND ASCENDIS PHARMA ADR REPRESENTING Health Care Equity 61690441.5 0.72
ARWR ARROWHEAD PHARMACEUTICALS INC Health Care Equity 60130536.43 0.7
CYTK CYTOKINETICS INC Health Care Equity 54488658.7 0.63
HALO HALOZYME THERAPEUTICS INC Health Care Equity 53784381.98 0.62
TEM TEMPUS AI INC CLASS A Health Care Equity 51802811.94 0.6
MRUS MERUS NV Health Care Equity 47189921.76 0.55
RYTM RHYTHM PHARMACEUTICALS INC Health Care Equity 46346381.65 0.54
BNTX BIONTECH SE ADR Health Care Equity 44055581.77 0.51
AXSM AXSOME THERAPEUTICS INC Health Care Equity 43716285.6 0.51
PCVX VAXCYTE INC Health Care Equity 43091893.8 0.5
PTCT PTC THERAPEUTICS INC Health Care Equity 41481857.68 0.48
KRYS KRYSTAL BIOTECH INC Health Care Equity 38921860.64 0.45
PTGX PROTAGONIST THERAPEUTICS INC Health Care Equity 36417938.4 0.42
BRKR BRUKER CORP Health Care Equity 35462249.88 0.41
CRSP CRISPR THERAPEUTICS AG Health Care Equity 34783955.47 0.4
NUVL NUVALENT INC CLASS A Health Care Equity 34372305.3 0.4
ALKS ALKERMES Health Care Equity 34158000.66 0.4
ADMA ADMA BIOLOGICS INC Health Care Equity 32694241.56 0.38
COGT COGENT BIOSCIENCES INC Health Care Equity 31739062.52 0.37
ACAD ACADIA PHARMACEUTICALS INC Health Care Equity 31164463.08 0.36
PRAX PRAXIS PRECISION MEDICINES INC Health Care Equity 30498071.4 0.35
CRNX CRINETICS PHARMACEUTICALS INC Health Care Equity 29434332.42 0.34
KYMR KYMERA THERAPEUTICS INC Health Care Equity 27940825.9 0.32
AKRO AKERO THERAPEUTICS INC Health Care Equity 27801606.81 0.32
VCYT VERACYTE INC Health Care Equity 26387223.0 0.31
LEGN LEGEND BIOTECH ADR REP CORP Health Care Equity 25458765.75 0.3
APGE APOGEE THERAPEUTICS INC Health Care Equity 24406029.9 0.28
RARE ULTRAGENYX PHARMACEUTICAL INC Health Care Equity 23567221.35 0.27
XENE XENON PHARMACEUTICALS INC Health Care Equity 23560685.56 0.27
SRRK SCHOLAR ROCK HOLDING CORP Health Care Equity 23252701.22 0.27
TARS TARSUS PHARMACEUTICALS INC Health Care Equity 22692305.08 0.26
ARQT ARCUTIS BIOTHERAPEUTICS INC Health Care Equity 22501517.92 0.26
TVTX TRAVERE THERAPEUTICS INC Health Care Equity 21732285.75 0.25
GRAL GRAIL INC Health Care Equity 21720635.88 0.25
ACLX ARCELLX INC Health Care Equity 21692283.06 0.25
FOLD AMICUS THERAPEUTICS INC Health Care Equity 21214717.32 0.25
MIRM MIRUM PHARMACEUTICALS INC Health Care Equity 20732132.57 0.24
IDYA IDEAYA BIOSCIENCES INC Health Care Equity 19895222.4 0.23
NAMS NEWAMSTERDAM PHARMA NV Health Care Equity 18657696.96 0.22
ADPT ADAPTIVE BIOTECHNOLOGIES CORP Health Care Equity 17874384.15 0.21
BEAM BEAM THERAPEUTICS INC Health Care Equity 17603182.66 0.2
DNLI DENALI THERAPEUTICS INC Health Care Equity 17342744.0 0.2
APLS APELLIS PHARMACEUTICALS INC Health Care Equity 15986120.0 0.19
SYRE SPYRE THERAPEUTICS INC Health Care Equity 15886353.0 0.18
DYN DYNE THERAPEUTICS INC Health Care Equity 15833230.35 0.18
IRON DISC MEDICINE INC Health Care Equity 15251383.72 0.18
SMMT SUMMIT THERAPEUTICS INC Health Care Equity 14859419.52 0.17
SRPT SAREPTA THERAPEUTICS INC Health Care Equity 14639352.0 0.17
VERA VERA THERAPEUTICS INC CLASS A Health Care Equity 14476236.04 0.17
CGON CG ONCOLOGY INC Health Care Equity 14435969.73 0.17
MLYS MINERALYS THERAPEUTICS INC Health Care Equity 14266604.8 0.17
TXG 10X GENOMICS INC CLASS A Health Care Equity 14197196.77 0.16
RXRX RECURSION PHARMACEUTICALS INC CLAS Health Care Equity 13928879.8 0.16
NUVB NUVATION BIO INC CLASS A Health Care Equity 13864653.9 0.16
RCUS ARCUS BIOSCIENCES INC Health Care Equity 13827256.85 0.16
TERN TERNS PHARMACEUTICALS INC Health Care Equity 13774936.61 0.16
ZYME ZYMEWORKS INC Health Care Equity 13760963.94 0.16
VCEL VERICEL CORP Health Care Equity 13484815.67 0.16
TWST TWIST BIOSCIENCE CORP Health Care Equity 12961047.06 0.15
AUPH AURINIA PHARMACEUTICALS INC Health Care Equity 12809225.73 0.15
CNTA CENTESSA PHARMACEUTICALS AMERICAN Health Care Equity 12651525.63 0.15
EWTX EDGEWISE THERAPEUTICS INC Health Care Equity 12591027.68 0.15
NRIX NURIX THERAPEUTICS INC Health Care Equity 12100450.23 0.14
MNKD MANNKIND CORP Health Care Equity 12039026.48 0.14
SNDX SYNDAX PHARMACEUTICALS INC Health Care Equity 11885997.24 0.14
IMVT IMMUNOVANT INC Health Care Equity 11522736.06 0.13
BCRX BIOCRYST PHARMACEUTICALS INC Health Care Equity 11504944.3 0.13
ZLAB ZAI LABORATORY ADR REPRESENTING LT Health Care Equity 11002823.75 0.13
AGIO AGIOS PHARMACEUTICALS INC Health Care Equity 10787543.33 0.13
OLMA OLEMA PHARMACEUTICALS INC Health Care Equity 10338023.25 0.12
STOK STOKE THERAPEUTICS INC Health Care Equity 10287110.16 0.12
QURE UNIQURE NV Health Care Equity 10041897.32 0.12
IMCR IMMUNOCORE HOLDINGS ADR PLC Health Care Equity 9683188.64 0.11
FTRE FORTREA HOLDINGS INC Health Care Equity 9557496.18 0.11
DVAX DYNAVAX TECHNOLOGIES CORP Health Care Equity 9264548.95 0.11
GPCR STRUCTURE THERAPEUTICS ADR INC Health Care Equity 9136820.34 0.11
ORKA ORUKA THERAPEUTICS INC Health Care Equity 8984517.6 0.1
NVCR NOVOCURE LTD Health Care Equity 8453090.17 0.1
XNCR XENCOR INC Health Care Equity 8329277.73 0.1
STVN STEVANATO GROUP Health Care Equity 8299527.68 0.1
AMLX AMYLYX PHARMACEUTICALS INC Health Care Equity 8141988.96 0.09
ANAB ANAPTYSBIO INC Health Care Equity 8049652.0 0.09
MESO MESOBLAST ADR REPRESENTING LTD Health Care Equity 8003166.53 0.09
GLPG GALAPAGOS ADR REPRESENTING NV Health Care Equity 7990345.62 0.09
CSTL CASTLE BIOSCIENCES INC Health Care Equity 7973667.66 0.09
TRVI TREVI THERAPEUTICS INC Health Care Equity 7945260.2 0.09
USD USD CASH Cash and/or Derivatives Cash 7882855.18 0.09
GRFS GRIFOLS ADR REPRESENTING ONE NON-V Health Care Equity 7716926.38 0.09
RLAY RELAY THERAPEUTICS INC Health Care Equity 7401652.02 0.09
NVAX NOVAVAX INC Health Care Equity 7325605.8 0.08
KURA KURA ONCOLOGY INC Health Care Equity 7233506.91 0.08
TSHA TAYSHA GENE THERAPIES INC Health Care Equity 7211954.74 0.08
URGN UROGEN PHARMA LTD Health Care Equity 6913500.7 0.08
CDNA CAREDX INC Health Care Equity 6719402.95 0.08
JANX JANUX THERAPEUTICS INC Health Care Equity 6653907.9 0.08
NTLA INTELLIA THERAPEUTICS INC Health Care Equity 6608065.02 0.08
WVE WAVE LIFE SCIENCES LTD Health Care Equity 6512308.32 0.08
TBPH THERAVANCE BIOPHARMA INC Health Care Equity 6280056.06 0.07
BHVN BIOHAVEN LTD Health Care Equity 6087973.92 0.07
TNGX TANGO THERAPEUTICS INC Health Care Equity 5983144.86 0.07
RIGL RIGEL PHARMACEUTICALS INC Health Care Equity 5914610.43 0.07
INBX INHIBRX BIOSCIENCES INC Health Care Equity 5880204.8 0.07
ELVN ENLIVEN THERAPEUTICS INC Health Care Equity 5825274.0 0.07
ABCL ABCELLERA BIOLOGICS INC Health Care Equity 5697212.11 0.07
RAPP RAPPORT THERAPEUTICS INC Health Care Equity 5620706.0 0.07
XTSLA BLK CSH FND TREASURY SL AGENCY Cash and/or Derivatives Money Market 5572623.39 0.06
GERN GERON CORP Health Care Equity 5511279.3 0.06
TYRA TYRA BIOSCIENCES INC Health Care Equity 5320970.2 0.06
EVO EVOTEC SE SPONSORED ADR Health Care Equity 5139131.47 0.06
ARVN ARVINAS INC Health Care Equity 5043635.59 0.06
CRMD CORMEDIX INC Health Care Equity 4955694.96 0.06
LENZ LENZ THERAPEUTICS INC Health Care Equity 4878440.0 0.06
IBRX IMMUNITYBIO INC Health Care Equity 4808485.0 0.06
REPL REPLIMUNE GROUP INC Health Care Equity 4742721.12 0.05
ABUS ARBUTUS BIOPHARMA CORP Health Care Equity 4732839.23 0.05
MYGN MYRIAD GENETICS INC Health Care Equity 4649983.41 0.05
IOVA IOVANCE BIOTHERAPEUTICS INC Health Care Equity 4645033.25 0.05
SANA SANA BIOTECHNOLOGY INC Health Care Equity 4640615.43 0.05
PACB PACIFIC BIOSCIENCES OF CALIFORNIA Health Care Equity 4612472.91 0.05
DAWN DAY ONE BIOPHARMACEUTICALS INC Health Care Equity 4452930.12 0.05
CTKB CYTEK BIOSCIENCES INC Health Care Equity 4445466.08 0.05
GLUE MONTE ROSA THERAPEUTICS INC Health Care Equity 4443992.52 0.05
ORIC ORIC PHARMACEUTICALS INC Health Care Equity 4407492.78 0.05
ATXS ASTRIA THERAPEUTICS INC Health Care Equity 4254263.09 0.05
EBS EMERGENT BIOSOLUTIONS INC Health Care Equity 4251446.4 0.05
AVBP ARRIVENT BIOPHARMA INC Health Care Equity 4236460.8 0.05
RGNX REGENXBIO INC Health Care Equity 4232741.52 0.05
IRWD IRONWOOD PHARMA INC CLASS A Health Care Equity 4186533.35 0.05
VIR VIR BIOTECHNOLOGY INC Health Care Equity 4032707.25 0.05
FLGT FULGENT GENETICS INC Health Care Equity 4032340.8 0.05
SPRY ARS PHARMACEUTICALS INC Health Care Equity 4020072.5 0.05
PHAT PHATHOM PHARMACEUTICALS INC Health Care Equity 4002166.71 0.05
KALV KALVISTA PHARMACEUTICALS INC Health Care Equity 3940549.36 0.05
PSNL PERSONALIS INC Health Care Equity 3864915.27 0.04
ANNX ANNEXON INC Health Care Equity 3824376.88 0.04
ERAS ERASCA INC Health Care Equity 3800321.77 0.04
PGEN PRECIGEN INC Health Care Equity 3784003.65 0.04
LAB STANDARD BIOTOOLS INC Health Care Equity 3778469.28 0.04
KROS KEROS THERAPEUTICS INC Health Care Equity 3775913.4 0.04
ALMS ALUMIS INC Health Care Equity 3760118.88 0.04
LXEO LEXEO THERAPEUTICS INC Health Care Equity 3760518.4 0.04
SVRA SAVARA INC Health Care Equity 3667488.3 0.04
ALVO ALVOTECH SA Health Care Equity 3630428.8 0.04
CVAC CUREVAC NV Health Care Equity 3537303.84 0.04
OPK OPKO HEALTH INC Health Care Equity 3523472.86 0.04
PRTA PROTHENA PLC Health Care Equity 3479845.95 0.04
ZVRA ZEVRA THERAPEUTICS INC Health Care Equity 3474109.04 0.04
CRVS CORVUS PHARMACEUTICALS INC Health Care Equity 3355507.68 0.04
FDMT 4D MOLECULAR THERAPEUTICS INC Health Care Equity 3310002.2 0.04
ALT ALTIMMUNE INC Health Care Equity 3228947.68 0.04
MGTX MEIRAGTX HOLDINGS PLC Health Care Equity 3156869.24 0.04
ABSI ABSCI CORP Health Care Equity 3086595.75 0.04
CGEM CULLINAN THERAPEUTICS INC Health Care Equity 2791383.0 0.03
ENTA ENANTA PHARMACEUTICALS INC Health Care Equity 2769708.48 0.03
AVXL ANAVEX LIFE SCIENCES CORP Health Care Equity 2724410.07 0.03
DNA GINKGO BIOWORKS HOLDINGS INC CLASS Health Care Equity 2620008.89 0.03
MRVI MARAVAI LIFESCIENCES HOLDINGS INC Health Care Equity 2604834.18 0.03
ADCT ADC THERAPEUTICS SA Health Care Equity 2500500.1 0.03
PRME PRIME MEDICINE INC Health Care Equity 2446471.73 0.03
PEPG PEPGEN INC Health Care Equity 2395307.25 0.03
RCKT ROCKET PHARMACEUTICALS INC Health Care Equity 2370514.9 0.03
CMPS COMPASS PATHWAYS ADR PLC Health Care Equity 2336778.28 0.03
SLDB SOLID BIOSCIENCES INC Health Care Equity 2186012.43 0.03
DSGN DESIGN THERAPEUTICS INC Health Care Equity 2184337.52 0.03
QTRX QUANTERIX CORP Health Care Equity 2107609.68 0.02
VNDA VANDA PHARMACEUTICALS INC Health Care Equity 2081312.72 0.02
CYBN CYBIN INC Health Care Equity 1883910.6 0.02
AURA AURA BIOSCIENCES INC Health Care Equity 1879164.0 0.02
AUTL AUTOLUS THERAPEUTICS ADR PLC Health Care Equity 1802727.32 0.02
NGNE NEUROGENE INC Health Care Equity 1750480.24 0.02
ALLO ALLOGENE THERAPEUTICS INC Health Care Equity 1691159.6 0.02
TRDA ENTRADA THERAPEUTICS INC Health Care Equity 1667602.07 0.02
BCYC BICYCLE THERAPEUTICS ADR PLC Health Care Equity 1595325.9 0.02
EDIT EDITAS MEDICINE INC Health Care Equity 1519706.43 0.02
TECX TECTONIC THERAPEUTIC INC Health Care Equity 1515387.9 0.02
CCCC C4 THERAPEUTICS INC Health Care Equity 1458019.08 0.02
PYXS PYXIS ONCOLOGY INC Health Care Equity 1429652.4 0.02
AVIR ATEA PHARMACEUTICALS INC Health Care Equity 1426513.95 0.02
VYGR VOYAGER THERAPEUTICS INC Health Care Equity 1360008.45 0.02
HUMA HUMACYTE INC Health Care Equity 1346783.22 0.02
IMMP IMMUTEP ADS REPRESENTING LTD Health Care Equity 1292929.9 0.01
ACIU AC IMMUNE SA Health Care Equity 1246182.45 0.01
LRMR LARIMAR THERAPEUTICS INC Health Care Equity 1210873.85 0.01
ARCT ARCTURUS THERAPEUTICS HOLDINGS INC Health Care Equity 1176038.22 0.01
KYTX KYVERNA THERAPEUTICS INC Health Care Equity 1125077.28 0.01
LYEL LYELL IMMUNOPHARMA INC Health Care Equity 1114027.54 0.01
MXCT MAXCYTE INC Health Care Equity 1105117.52 0.01
CDXS CODEXIS INC Health Care Equity 1066379.86 0.01
NMRA NEUMORA THERAPEUTICS INC Health Care Equity 1050472.01 0.01
CATX PERSPECTIVE THERAPEUTICS INC Health Care Equity 963630.72 0.01
FHTX FOGHORN THERAPEUTICS INC Health Care Equity 888670.44 0.01
SGAFT CASH COLLATERAL USD SGAFT Cash and/or Derivatives Cash Collateral and Margins 883000.0 0.01
FATE FATE THERAPEUTICS INC Health Care Equity 861060.24 0.01
MRSN MERSANA THERAPEUTICS INC Health Care Equity 839064.8 0.01
CLYM CLIMB BIO INC Health Care Equity 711715.68 0.01
NKTX NKARTA INC Health Care Equity 691384.04 0.01
ALEC ALECTOR INC Health Care Equity 637576.92 0.01
PLRX PLIANT THERAPEUTICS INC Health Care Equity 622283.2 0.01
MGNX MACROGENICS INC Health Care Equity 594312.6 0.01
STRO SUTRO BIOPHARMA INC Health Care Equity 517145.4 0.01
RNAC CARTESIAN THERAPEUTICS INC Health Care Equity 409014.9 0.0
TKNO ALPHA TEKNOVA INC Health Care Equity 399018.36 0.0
BMEA BIOMEA FUSION INC Health Care Equity 398330.1 0.0
ACRV ACRIVON THERAPEUTICS INC Health Care Equity 361498.56 0.0
TCRX TSCAN THERAPEUTICS INC Health Care Equity 337403.76 0.0
ARTV ARTIVA BIOTHERAPEUTICS INC Health Care Equity 297329.74 0.0
SLN SILENCE THERAPEUTICS ADR REPRESENT Health Care Equity 251282.01 0.0
APLT APPLIED THERAPEUTICS INC Health Care Equity 195128.95 0.0
OKUR ONKURE THERAPEUTICS INC CLASS A Health Care Equity 169024.06 0.0
TVGN TEVOGEN BIO HOLDINGS INC Health Care Equity 135776.26 0.0
QTTB Q32 BIO INC Health Care Equity 108549.42 0.0
ADRO CHINOOK THERAPEUTICS INC Health Care Equity 54563.54 0.0
THRD THIRD HARMONIC BIO INC Health Care Equity 4034.34 0.0
nan CARTESIAN THERAPEUTICS INC Health Care Equity 1874.0 0.0
nan FUSION PHARMACEUTICALS INC CVR Health Care Equity 1034.0 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 $15.00 VESTING Prvt Health Care Equity 0.47 0.0
nan OMNIAB INC $12.50 VESTING Prvt Health Care Equity 0.47 0.0
RTYZ5 RUSSELL 2000 EMINI CME DEC 25 Cash and/or Derivatives Futures 0.0 0.0
IXCZ5 E-MINI HEALTH CARE SECTOR DEC 25 Cash and/or Derivatives Futures 0.0 0.0
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