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 658490178.28 7.69
VRTX VERTEX PHARMACEUTICALS INC Health Care Equity 620246543.6 7.25
GILD GILEAD SCIENCES INC Health Care Equity 614145913.17 7.17
REGN REGENERON PHARMACEUTICALS INC Health Care Equity 550689398.0 6.43
ALNY ALNYLAM PHARMACEUTICALS INC Health Care Equity 424081715.13 4.95
INSM INSMED INC Health Care Equity 310342124.0 3.63
ARGX ARGENX SE ADR Health Care Equity 286152520.32 3.34
IQV IQVIA HOLDINGS INC Health Care Equity 276322743.36 3.23
NTRA NATERA INC Health Care Equity 227516344.8 2.66
MTD METTLER TOLEDO INC Health Care Equity 215078366.36 2.51
BIIB BIOGEN INC Health Care Equity 191609538.12 2.24
WAT WATERS CORP Health Care Equity 172054357.5 2.01
UTHR UNITED THERAPEUTICS CORP Health Care Equity 150734321.54 1.76
ONC BEONE MEDICINES AG Health Care Equity 149477060.79 1.75
INCY INCYTE CORP Health Care Equity 142222633.28 1.66
ILMN ILLUMINA INC Health Care Equity 138500932.8 1.62
NBIX NEUROCRINE BIOSCIENCES INC Health Care Equity 106915011.52 1.25
GMAB GENMAB SPONSORED ADR Health Care Equity 104338330.32 1.22
MEDP MEDPACE HOLDINGS INC Health Care Equity 96235786.4 1.12
IONS IONIS PHARMACEUTICALS INC Health Care Equity 93402341.89 1.09
RVMD REVOLUTION MEDICINES INC Health Care Equity 88661408.66 1.04
BBIO BRIDGEBIO PHARMA INC Health Care Equity 84197173.32 0.98
MDGL MADRIGAL PHARMACEUTICALS INC Health Care Equity 83977938.0 0.98
EXEL EXELIXIS INC Health Care Equity 82267844.88 0.96
BMRN BIOMARIN PHARMACEUTICAL INC Health Care Equity 74049656.21 0.87
TECH BIO TECHNE CORP Health Care Equity 70393522.75 0.82
RNA AVIDITY BIOSCIENCES INC Health Care Equity 68354466.88 0.8
RGEN REPLIGEN CORP Health Care Equity 63746070.86 0.74
ASND ASCENDIS PHARMA ADR REPRESENTING Health Care Equity 62821826.48 0.73
ROIV ROIVANT SCIENCES LTD Health Care Equity 62778068.7 0.73
CRL CHARLES RIVER LABORATORIES INTERNA Health Care Equity 61769446.28 0.72
MRNA MODERNA INC Health Care Equity 60036460.86 0.7
HALO HALOZYME THERAPEUTICS INC Health Care Equity 55900453.62 0.65
ARWR ARROWHEAD PHARMACEUTICALS INC Health Care Equity 54081200.05 0.63
CYTK CYTOKINETICS INC Health Care Equity 54053678.55 0.63
TEM TEMPUS AI INC CLASS A Health Care Equity 51663162.98 0.6
MRUS MERUS NV Health Care Equity 47596449.52 0.56
RYTM RHYTHM PHARMACEUTICALS INC Health Care Equity 45359351.25 0.53
BNTX BIONTECH SE ADR Health Care Equity 44210503.89 0.52
PTCT PTC THERAPEUTICS INC Health Care Equity 43407970.48 0.51
AXSM AXSOME THERAPEUTICS INC Health Care Equity 42443703.9 0.5
PCVX VAXCYTE INC Health Care Equity 40784905.8 0.48
KRYS KRYSTAL BIOTECH INC Health Care Equity 38877256.44 0.45
PTGX PROTAGONIST THERAPEUTICS INC Health Care Equity 36174331.0 0.42
BRKR BRUKER CORP Health Care Equity 35389376.92 0.41
NUVL NUVALENT INC CLASS A Health Care Equity 34085445.12 0.4
ALKS ALKERMES Health Care Equity 33844550.14 0.4
CRSP CRISPR THERAPEUTICS AG Health Care Equity 32364025.74 0.38
ADMA ADMA BIOLOGICS INC Health Care Equity 32233605.25 0.38
COGT COGENT BIOSCIENCES INC Health Care Equity 31908521.26 0.37
ACAD ACADIA PHARMACEUTICALS INC Health Care Equity 30928245.73 0.36
PRAX PRAXIS PRECISION MEDICINES INC Health Care Equity 29639233.74 0.35
CRNX CRINETICS PHARMACEUTICALS INC Health Care Equity 28481382.79 0.33
AKRO AKERO THERAPEUTICS INC Health Care Equity 27976201.31 0.33
KYMR KYMERA THERAPEUTICS INC Health Care Equity 27484422.8 0.32
VCYT VERACYTE INC Health Care Equity 25763373.12 0.3
LEGN LEGEND BIOTECH ADR REP CORP Health Care Equity 24730767.17 0.29
XENE XENON PHARMACEUTICALS INC Health Care Equity 23038309.12 0.27
APGE APOGEE THERAPEUTICS INC Health Care Equity 22857696.24 0.27
ARQT ARCUTIS BIOTHERAPEUTICS INC Health Care Equity 22324185.36 0.26
TARS TARSUS PHARMACEUTICALS INC Health Care Equity 22236129.84 0.26
SRRK SCHOLAR ROCK HOLDING CORP Health Care Equity 22173012.16 0.26
RARE ULTRAGENYX PHARMACEUTICAL INC Health Care Equity 21856345.11 0.26
TVTX TRAVERE THERAPEUTICS INC Health Care Equity 21407411.85 0.25
FOLD AMICUS THERAPEUTICS INC Health Care Equity 21316912.12 0.25
GRAL GRAIL INC Health Care Equity 21111204.96 0.25
ACLX ARCELLX INC Health Care Equity 20668390.89 0.24
MIRM MIRUM PHARMACEUTICALS INC Health Care Equity 20611315.64 0.24
NAMS NEWAMSTERDAM PHARMA NV Health Care Equity 20334563.29 0.24
IDYA IDEAYA BIOSCIENCES INC Health Care Equity 19713366.6 0.23
ADPT ADAPTIVE BIOTECHNOLOGIES CORP Health Care Equity 19696736.85 0.23
DNLI DENALI THERAPEUTICS INC Health Care Equity 16446446.24 0.19
DYN DYNE THERAPEUTICS INC Health Care Equity 15911740.15 0.19
APLS APELLIS PHARMACEUTICALS INC Health Care Equity 15697426.68 0.18
BEAM BEAM THERAPEUTICS INC Health Care Equity 15538222.23 0.18
IRON DISC MEDICINE INC Health Care Equity 14960271.68 0.17
TXG 10X GENOMICS INC CLASS A Health Care Equity 14395073.94 0.17
MLYS MINERALYS THERAPEUTICS INC Health Care Equity 14390522.1 0.17
CGON CG ONCOLOGY INC Health Care Equity 14155697.01 0.17
SYRE SPYRE THERAPEUTICS INC Health Care Equity 14151294.0 0.17
SMMT SUMMIT THERAPEUTICS INC Health Care Equity 14092663.5 0.16
SRPT SAREPTA THERAPEUTICS INC Health Care Equity 13857985.3 0.16
RCUS ARCUS BIOSCIENCES INC Health Care Equity 13856171.25 0.16
AUPH AURINIA PHARMACEUTICALS INC Health Care Equity 13804677.43 0.16
VCEL VERICEL CORP Health Care Equity 13714125.45 0.16
ZYME ZYMEWORKS INC Health Care Equity 13304681.7 0.16
VERA VERA THERAPEUTICS INC CLASS A Health Care Equity 13199686.5 0.15
TERN TERNS PHARMACEUTICALS INC Health Care Equity 13052035.31 0.15
RXRX RECURSION PHARMACEUTICALS INC CLAS Health Care Equity 13041475.2 0.15
EWTX EDGEWISE THERAPEUTICS INC Health Care Equity 12531315.72 0.15
CNTA CENTESSA PHARMACEUTICALS AMERICAN Health Care Equity 12531541.99 0.15
NUVB NUVATION BIO INC CLASS A Health Care Equity 12497310.0 0.15
TWST TWIST BIOSCIENCE CORP Health Care Equity 12473049.6 0.15
MNKD MANNKIND CORP Health Care Equity 12159155.58 0.14
NRIX NURIX THERAPEUTICS INC Health Care Equity 11872732.35 0.14
XTSLA BLK CSH FND TREASURY SL AGENCY Cash and/or Derivatives Money Market 11695500.68 0.14
SNDX SYNDAX PHARMACEUTICALS INC Health Care Equity 11444312.56 0.13
IMVT IMMUNOVANT INC Health Care Equity 11284060.92 0.13
ZLAB ZAI LABORATORY ADR REPRESENTING LT Health Care Equity 10983220.8 0.13
AGIO AGIOS PHARMACEUTICALS INC Health Care Equity 10693172.26 0.12
BCRX BIOCRYST PHARMACEUTICALS INC Health Care Equity 10598432.48 0.12
OLMA OLEMA PHARMACEUTICALS INC Health Care Equity 10402984.05 0.12
QURE UNIQURE NV Health Care Equity 10078347.48 0.12
STOK STOKE THERAPEUTICS INC Health Care Equity 10003967.71 0.12
GPCR STRUCTURE THERAPEUTICS ADR INC Health Care Equity 9373804.44 0.11
IMCR IMMUNOCORE HOLDINGS ADR PLC Health Care Equity 9338298.26 0.11
DVAX DYNAVAX TECHNOLOGIES CORP Health Care Equity 9280259.2 0.11
ORKA ORUKA THERAPEUTICS INC Health Care Equity 8531592.63 0.1
FTRE FORTREA HOLDINGS INC Health Care Equity 8441277.75 0.1
CSTL CASTLE BIOSCIENCES INC Health Care Equity 7989928.6 0.09
GLPG GALAPAGOS ADR REPRESENTING NV Health Care Equity 7963401.6 0.09
AMLX AMYLYX PHARMACEUTICALS INC Health Care Equity 7957070.0 0.09
STVN STEVANATO GROUP Health Care Equity 7930319.8 0.09
MESO MESOBLAST ADR REPRESENTING LTD Health Care Equity 7911197.37 0.09
NVCR NOVOCURE LTD Health Care Equity 7894035.24 0.09
TRVI TREVI THERAPEUTICS INC Health Care Equity 7819575.6 0.09
XNCR XENCOR INC Health Care Equity 7770868.17 0.09
ANAB ANAPTYSBIO INC Health Care Equity 7598811.0 0.09
GRFS GRIFOLS ADR REPRESENTING ONE NON-V Health Care Equity 7554250.41 0.09
RLAY RELAY THERAPEUTICS INC Health Care Equity 7150882.76 0.08
NVAX NOVAVAX INC Health Care Equity 7139121.0 0.08
URGN UROGEN PHARMA LTD Health Care Equity 6991013.76 0.08
KURA KURA ONCOLOGY INC Health Care Equity 6793006.29 0.08
TSHA TAYSHA GENE THERAPIES INC Health Care Equity 6586359.36 0.08
WVE WAVE LIFE SCIENCES LTD Health Care Equity 6439104.12 0.08
TNGX TANGO THERAPEUTICS INC Health Care Equity 6364895.04 0.07
CDNA CAREDX INC Health Care Equity 6278870.88 0.07
JANX JANUX THERAPEUTICS INC Health Care Equity 6229332.2 0.07
TBPH THERAVANCE BIOPHARMA INC Health Care Equity 6188314.82 0.07
NTLA INTELLIA THERAPEUTICS INC Health Care Equity 5966840.7 0.07
BHVN BIOHAVEN LTD Health Care Equity 5953194.83 0.07
INBX INHIBRX BIOSCIENCES INC Health Care Equity 5888277.5 0.07
ELVN ENLIVEN THERAPEUTICS INC Health Care Equity 5760171.84 0.07
ABCL ABCELLERA BIOLOGICS INC Health Care Equity 5704602.34 0.07
RIGL RIGEL PHARMACEUTICALS INC Health Care Equity 5619330.53 0.07
RAPP RAPPORT THERAPEUTICS INC Health Care Equity 5545904.4 0.06
GERN GERON CORP Health Care Equity 5390967.0 0.06
EVO EVOTEC SE SPONSORED ADR Health Care Equity 5222968.53 0.06
TYRA TYRA BIOSCIENCES INC Health Care Equity 5180963.52 0.06
LENZ LENZ THERAPEUTICS INC Health Care Equity 4805740.7 0.06
CRMD CORMEDIX INC Health Care Equity 4743231.54 0.06
ARVN ARVINAS INC Health Care Equity 4687868.02 0.05
REPL REPLIMUNE GROUP INC Health Care Equity 4641560.0 0.05
IBRX IMMUNITYBIO INC Health Care Equity 4613643.65 0.05
DAWN DAY ONE BIOPHARMACEUTICALS INC Health Care Equity 4562332.86 0.05
IOVA IOVANCE BIOTHERAPEUTICS INC Health Care Equity 4532188.67 0.05
CTKB CYTEK BIOSCIENCES INC Health Care Equity 4514976.62 0.05
ABUS ARBUTUS BIOPHARMA CORP Health Care Equity 4499517.57 0.05
MYGN MYRIAD GENETICS INC Health Care Equity 4497763.14 0.05
PACB PACIFIC BIOSCIENCES OF CALIFORNIA Health Care Equity 4447618.64 0.05
ORIC ORIC PHARMACEUTICALS INC Health Care Equity 4317733.65 0.05
SANA SANA BIOTECHNOLOGY INC Health Care Equity 4162660.13 0.05
ATXS ASTRIA THERAPEUTICS INC Health Care Equity 4135836.6 0.05
GLUE MONTE ROSA THERAPEUTICS INC Health Care Equity 4102326.92 0.05
PHAT PHATHOM PHARMACEUTICALS INC Health Care Equity 4061356.42 0.05
FLGT FULGENT GENETICS INC Health Care Equity 4061058.0 0.05
RGNX REGENXBIO INC Health Care Equity 4052608.89 0.05
EBS EMERGENT BIOSOLUTIONS INC Health Care Equity 4016279.4 0.05
IRWD IRONWOOD PHARMA INC CLASS A Health Care Equity 3967582.5 0.05
AVBP ARRIVENT BIOPHARMA INC Health Care Equity 3880457.5 0.05
PSNL PERSONALIS INC Health Care Equity 3876592.1 0.05
SPRY ARS PHARMACEUTICALS INC Health Care Equity 3843356.0 0.04
LAB STANDARD BIOTOOLS INC Health Care Equity 3763180.34 0.04
PGEN PRECIGEN INC Health Care Equity 3725427.0 0.04
KALV KALVISTA PHARMACEUTICALS INC Health Care Equity 3670355.52 0.04
ANNX ANNEXON INC Health Care Equity 3664011.96 0.04
VIR VIR BIOTECHNOLOGY INC Health Care Equity 3657219.85 0.04
LXEO LEXEO THERAPEUTICS INC Health Care Equity 3648902.4 0.04
ALVO ALVOTECH SA Health Care Equity 3635058.0 0.04
ALMS ALUMIS INC Health Care Equity 3589381.77 0.04
KROS KEROS THERAPEUTICS INC Health Care Equity 3545980.02 0.04
CVAC CUREVAC NV Health Care Equity 3537980.04 0.04
OPK OPKO HEALTH INC Health Care Equity 3454738.84 0.04
SVRA SAVARA INC Health Care Equity 3415995.31 0.04
ERAS ERASCA INC Health Care Equity 3371598.27 0.04
ZVRA ZEVRA THERAPEUTICS INC Health Care Equity 3287501.79 0.04
PRTA PROTHENA PLC Health Care Equity 3256575.75 0.04
CRVS CORVUS PHARMACEUTICALS INC Health Care Equity 3232413.1 0.04
FDMT 4D MOLECULAR THERAPEUTICS INC Health Care Equity 3164976.68 0.04
MGTX MEIRAGTX HOLDINGS PLC Health Care Equity 3043091.75 0.04
ALT ALTIMMUNE INC Health Care Equity 3037822.48 0.04
ADCT ADC THERAPEUTICS SA Health Care Equity 2941046.8 0.03
ABSI ABSCI CORP Health Care Equity 2871031.05 0.03
ENTA ENANTA PHARMACEUTICALS INC Health Care Equity 2742330.32 0.03
CGEM CULLINAN THERAPEUTICS INC Health Care Equity 2738659.2 0.03
MRVI MARAVAI LIFESCIENCES HOLDINGS INC Health Care Equity 2578376.32 0.03
DNA GINKGO BIOWORKS HOLDINGS INC CLASS Health Care Equity 2522788.51 0.03
USD USD CASH Cash and/or Derivatives Cash 2478626.95 0.03
PEPG PEPGEN INC Health Care Equity 2350074.9 0.03
CMPS COMPASS PATHWAYS ADR PLC Health Care Equity 2290539.68 0.03
PRME PRIME MEDICINE INC Health Care Equity 2258694.9 0.03
RCKT ROCKET PHARMACEUTICALS INC Health Care Equity 2214958.35 0.03
AVXL ANAVEX LIFE SCIENCES CORP Health Care Equity 2209710.67 0.03
SLDB SOLID BIOSCIENCES INC Health Care Equity 2169524.7 0.03
DSGN DESIGN THERAPEUTICS INC Health Care Equity 2018705.64 0.02
VNDA VANDA PHARMACEUTICALS INC Health Care Equity 1962469.92 0.02
QTRX QUANTERIX CORP Health Care Equity 1960728.64 0.02
CYBN CYBIN INC Health Care Equity 1862159.6 0.02
AURA AURA BIOSCIENCES INC Health Care Equity 1813585.2 0.02
NGNE NEUROGENE INC Health Care Equity 1690657.28 0.02
AUTL AUTOLUS THERAPEUTICS ADR PLC Health Care Equity 1648493.46 0.02
TRDA ENTRADA THERAPEUTICS INC Health Care Equity 1647422.35 0.02
BCYC BICYCLE THERAPEUTICS ADR PLC Health Care Equity 1550318.55 0.02
ALLO ALLOGENE THERAPEUTICS INC Health Care Equity 1505764.7 0.02
TECX TECTONIC THERAPEUTIC INC Health Care Equity 1439718.9 0.02
IMMP IMMUTEP ADS REPRESENTING LTD Health Care Equity 1413372.08 0.02
AVIR ATEA PHARMACEUTICALS INC Health Care Equity 1398795.0 0.02
EDIT EDITAS MEDICINE INC Health Care Equity 1369373.12 0.02
HUMA HUMACYTE INC Health Care Equity 1328591.88 0.02
CCCC C4 THERAPEUTICS INC Health Care Equity 1273436.64 0.01
PYXS PYXIS ONCOLOGY INC Health Care Equity 1227325.54 0.01
VYGR VOYAGER THERAPEUTICS INC Health Care Equity 1224213.25 0.01
ACIU AC IMMUNE SA Health Care Equity 1223279.09 0.01
MXCT MAXCYTE INC Health Care Equity 1152868.27 0.01
ARCT ARCTURUS THERAPEUTICS HOLDINGS INC Health Care Equity 1126487.5 0.01
LRMR LARIMAR THERAPEUTICS INC Health Care Equity 1099597.2 0.01
CDXS CODEXIS INC Health Care Equity 1051535.1 0.01
LYEL LYELL IMMUNOPHARMA INC Health Care Equity 1049531.54 0.01
NMRA NEUMORA THERAPEUTICS INC Health Care Equity 1042264.09 0.01
KYTX KYVERNA THERAPEUTICS INC Health Care Equity 1038159.36 0.01
CATX PERSPECTIVE THERAPEUTICS INC Health Care Equity 902783.1 0.01
FHTX FOGHORN THERAPEUTICS INC Health Care Equity 867227.79 0.01
MRSN MERSANA THERAPEUTICS INC Health Care Equity 837378.56 0.01
FATE FATE THERAPEUTICS INC Health Care Equity 809264.19 0.01
NKTX NKARTA INC Health Care Equity 682598.52 0.01
CLYM CLIMB BIO INC Health Care Equity 677503.68 0.01
ALEC ALECTOR INC Health Care Equity 643938.12 0.01
MGNX MACROGENICS INC Health Care Equity 608823.58 0.01
PLRX PLIANT THERAPEUTICS INC Health Care Equity 608083.9 0.01
STRO SUTRO BIOPHARMA INC Health Care Equity 433812.09 0.01
RNAC CARTESIAN THERAPEUTICS INC Health Care Equity 416798.36 0.0
SGAFT CASH COLLATERAL USD SGAFT Cash and/or Derivatives Cash Collateral and Margins 397000.0 0.0
TKNO ALPHA TEKNOVA INC Health Care Equity 370334.12 0.0
BMEA BIOMEA FUSION INC Health Care Equity 366791.41 0.0
ACRV ACRIVON THERAPEUTICS INC Health Care Equity 352290.4 0.0
TCRX TSCAN THERAPEUTICS INC Health Care Equity 318118.59 0.0
ARTV ARTIVA BIOTHERAPEUTICS INC Health Care Equity 280169.22 0.0
SLN SILENCE THERAPEUTICS ADR REPRESENT Health Care Equity 250606.25 0.0
APLT APPLIED THERAPEUTICS INC Health Care Equity 198662.53 0.0
OKUR ONKURE THERAPEUTICS INC CLASS A Health Care Equity 170700.86 0.0
TVGN TEVOGEN BIO HOLDINGS INC Health Care Equity 123534.03 0.0
QTTB Q32 BIO INC Health Care Equity 104707.46 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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