ETF constituents for IBB

Below, a list of constituents for IBB (iShares Biotechnology ETF) is shown. In total, IBB consists of 263 securities.

Note: The data shown here is as of date Jan 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 831967531.01 9.85
VRTX VERTEX PHARMACEUTICALS INC Health Care Equity 739603149.52 8.76
AMGN AMGEN INC Health Care Equity 731034074.0 8.66
REGN REGENERON PHARMACEUTICALS INC Health Care Equity 584113118.75 6.92
ALNY ALNYLAM PHARMACEUTICALS INC Health Care Equity 294857831.68 3.49
ARGX ARGENX SE ADR Health Care Equity 248510782.06 2.94
INSM INSMED INC Health Care Equity 226441155.71 2.68
BIIB BIOGEN INC Health Care Equity 210899730.5 2.5
NTRA NATERA INC Health Care Equity 201072464.77 2.38
ONC BEONE MEDICINES AG Health Care Equity 184507102.62 2.19
UTHR UNITED THERAPEUTICS CORP Health Care Equity 145677687.06 1.73
INCY INCYTE CORP Health Care Equity 144115923.25 1.71
ILMN ILLUMINA INC Health Care Equity 125195872.28 1.48
RVMD REVOLUTION MEDICINES INC Health Care Equity 118513582.51 1.4
GMAB GENMAB SPONSORED ADR Health Care Equity 107172435.26 1.27
MRNA MODERNA INC Health Care Equity 102403036.05 1.21
IONS IONIS PHARMACEUTICALS INC Health Care Equity 95690123.76 1.13
BBIO BRIDGEBIO PHARMA INC Health Care Equity 92183959.4 1.09
NBIX NEUROCRINE BIOSCIENCES INC Health Care Equity 88026594.2 1.04
ROIV ROIVANT SCIENCES LTD Health Care Equity 85281862.25 1.01
BMRN BIOMARIN PHARMACEUTICAL INC Health Care Equity 83580635.7 0.99
EXEL EXELIXIS INC Health Care Equity 81671350.6 0.97
ASND ASCENDIS PHARMA ADR REPRESENTING Health Care Equity 74438402.4 0.88
RNA AVIDITY BIOSCIENCES INC Health Care Equity 74191757.8 0.88
MDGL MADRIGAL PHARMACEUTICALS INC Health Care Equity 71981493.33 0.85
MEDP MEDPACE HOLDINGS INC Health Care Equity 69250274.04 0.82
TECH BIO TECHNE CORP Health Care Equity 67522825.5 0.8
HALO HALOZYME THERAPEUTICS INC Health Care Equity 65885672.16 0.78
ARWR ARROWHEAD PHARMACEUTICALS INC Health Care Equity 57901739.8 0.69
PRAX PRAXIS PRECISION MEDICINES INC Health Care Equity 57658081.88 0.68
CYTK CYTOKINETICS INC Health Care Equity 57445149.12 0.68
CRL CHARLES RIVER LABORATORIES INTERNA Health Care Equity 56880827.98 0.67
AXSM AXSOME THERAPEUTICS INC Health Care Equity 55713279.36 0.66
BNTX BIONTECH SE ADR Health Care Equity 53476380.64 0.63
RGEN REPLIGEN CORP Health Care Equity 52003161.96 0.62
PCVX VAXCYTE INC Health Care Equity 51413143.25 0.61
KRYS KRYSTAL BIOTECH INC Health Care Equity 49549738.66 0.59
ABVX ABIVAX AMERICAN DEPOSITARY SHARES Health Care Equity 48303461.7 0.57
RYTM RHYTHM PHARMACEUTICALS INC Health Care Equity 44145045.42 0.52
PTCT PTC THERAPEUTICS INC Health Care Equity 40218189.9 0.48
ALKS ALKERMES Health Care Equity 39591763.71 0.47
TEM TEMPUS AI INC CLASS A Health Care Equity 38026298.32 0.45
KYMR KYMERA THERAPEUTICS INC Health Care Equity 36833527.8 0.44
NUVL NUVALENT INC CLASS A Health Care Equity 35691263.24 0.42
PTGX PROTAGONIST THERAPEUTICS INC Health Care Equity 35618985.57 0.42
COGT COGENT BIOSCIENCES INC Health Care Equity 33207401.52 0.39
CRSP CRISPR THERAPEUTICS AG Health Care Equity 32883749.01 0.39
FOLD AMICUS THERAPEUTICS INC Health Care Equity 31895742.66 0.38
MIRM MIRUM PHARMACEUTICALS INC Health Care Equity 31565056.31 0.37
CRNX CRINETICS PHARMACEUTICALS INC Health Care Equity 28634896.96 0.34
BRKR BRUKER CORP Health Care Equity 28519265.61 0.34
GPCR STRUCTURE THERAPEUTICS ADR INC Health Care Equity 28054825.36 0.33
SRRK SCHOLAR ROCK HOLDING CORP Health Care Equity 27213278.5 0.32
ACAD ACADIA PHARMACEUTICALS INC Health Care Equity 26628252.59 0.32
ADMA ADMA BIOLOGICS INC Health Care Equity 26406232.87 0.31
TERN TERNS PHARMACEUTICALS INC Health Care Equity 24996540.0 0.3
APGE APOGEE THERAPEUTICS INC Health Care Equity 24316651.09 0.29
GRAL GRAIL INC Health Care Equity 23650405.49 0.28
XENE XENON PHARMACEUTICALS INC Health Care Equity 22895786.3 0.27
ACLX ARCELLX INC Health Care Equity 21836672.55 0.26
ARQT ARCUTIS BIOTHERAPEUTICS INC Health Care Equity 21152824.24 0.25
TWST TWIST BIOSCIENCE CORP Health Care Equity 20375126.6 0.24
VCYT VERACYTE INC Health Care Equity 19996061.7 0.24
TVTX TRAVERE THERAPEUTICS INC Health Care Equity 19755635.4 0.23
NAMS NEWAMSTERDAM PHARMA NV Health Care Equity 19440167.04 0.23
IDYA IDEAYA BIOSCIENCES INC Health Care Equity 19431165.92 0.23
CGON CG ONCOLOGY INC Health Care Equity 18549130.8 0.22
DNLI DENALI THERAPEUTICS INC Health Care Equity 18477992.82 0.22
LEGN LEGEND BIOTECH ADR REP CORP Health Care Equity 18389269.92 0.22
TARS TARSUS PHARMACEUTICALS INC Health Care Equity 18203476.5 0.22
BEAM BEAM THERAPEUTICS INC Health Care Equity 18129814.6 0.21
CAI CARIS LIFE SCIENCES INC Health Care Equity 17528277.55 0.21
SYRE SPYRE THERAPEUTICS INC Health Care Equity 17371920.8 0.21
EWTX EDGEWISE THERAPEUTICS INC Health Care Equity 17016098.41 0.2
APLS APELLIS PHARMACEUTICALS INC Health Care Equity 16826266.8 0.2
ADPT ADAPTIVE BIOTECHNOLOGIES CORP Health Care Equity 16735476.66 0.2
IBRX IMMUNITYBIO INC Health Care Equity 16175175.6 0.19
IMVT IMMUNOVANT INC Health Care Equity 16028076.8 0.19
RARE ULTRAGENYX PHARMACEUTICAL INC Health Care Equity 15582427.0 0.18
VERA VERA THERAPEUTICS INC CLASS A Health Care Equity 15107854.08 0.18
XTSLA BLK CSH FND TREASURY SL AGENCY Cash and/or Derivatives Money Market 15095650.88 0.18
ERAS ERASCA INC Health Care Equity 14522230.1 0.17
TXG 10X GENOMICS INC CLASS A Health Care Equity 14467970.19 0.17
ALMS ALUMIS INC Health Care Equity 14238625.6 0.17
IRON DISC MEDICINE INC Health Care Equity 14183332.45 0.17
DYN DYNE THERAPEUTICS INC Health Care Equity 14017088.0 0.17
SNDX SYNDAX PHARMACEUTICALS INC Health Care Equity 13072299.52 0.15
CNTA CENTESSA PHARMACEUTICALS AMERICAN Health Care Equity 12730134.5 0.15
WVE WAVE LIFE SCIENCES LTD Health Care Equity 12698880.0 0.15
SRPT SAREPTA THERAPEUTICS INC Health Care Equity 12688915.2 0.15
VCEL VERICEL CORP Health Care Equity 12474701.19 0.15
ZYME ZYMEWORKS INC Health Care Equity 12405843.59 0.15
AUPH AURINIA PHARMACEUTICALS INC Health Care Equity 12395894.4 0.15
MNKD MANNKIND CORP Health Care Equity 12311627.7 0.15
MLYS MINERALYS THERAPEUTICS INC Health Care Equity 11599594.58 0.14
ZLAB ZAI LABORATORY ADR REPRESENTING LT Health Care Equity 11539777.23 0.14
NRIX NURIX THERAPEUTICS INC Health Care Equity 11528218.13 0.14
DFTX DEFINIUM THERAPEUTICS INC Health Care Equity 11357656.62 0.13
AGIO AGIOS PHARMACEUTICALS INC Health Care Equity 11304041.63 0.13
SMMT SUMMIT THERAPEUTICS INC Health Care Equity 11057997.72 0.13
OLMA OLEMA PHARMACEUTICALS INC Health Care Equity 11040068.75 0.13
RCUS ARCUS BIOSCIENCES INC Health Care Equity 10972491.04 0.13
RXRX RECURSION PHARMACEUTICALS INC CLAS Health Care Equity 10966091.32 0.13
STOK STOKE THERAPEUTICS INC Health Care Equity 10796582.73 0.13
ANAB ANAPTYSBIO INC Health Care Equity 10465092.9 0.12
ORKA ORUKA THERAPEUTICS INC Health Care Equity 10193145.6 0.12
NUVB NUVATION BIO INC CLASS A Health Care Equity 10176619.8 0.12
BCRX BIOCRYST PHARMACEUTICALS INC Health Care Equity 9710468.0 0.12
AMLX AMYLYX PHARMACEUTICALS INC Health Care Equity 9463735.26 0.11
NTLA INTELLIA THERAPEUTICS INC Health Care Equity 9433278.68 0.11
BHVN BIOHAVEN LTD Health Care Equity 9417005.0 0.11
QURE UNIQURE NV Health Care Equity 9300842.01 0.11
GLPG GALAPAGOS ADR REPRESENTING NV Health Care Equity 9296983.29 0.11
NVAX NOVAVAX INC Health Care Equity 9224438.38 0.11
NVCR NOVOCURE LTD Health Care Equity 9208271.94 0.11
KOD KODIAK SCIENCES INC Health Care Equity 9138008.0 0.11
MAZE MAZE THERAPEUTICS INC Health Care Equity 9065642.88 0.11
IMCR IMMUNOCORE HOLDINGS ADR PLC Health Care Equity 8933721.17 0.11
ELVN ENLIVEN THERAPEUTICS INC Health Care Equity 8677239.76 0.1
GRFS GRIFOLS ADR REPRESENTING ONE NON-V Health Care Equity 8594421.44 0.1
MESO MESOBLAST ADR REPRESENTING LTD Health Care Equity 8571387.87 0.1
RLAY RELAY THERAPEUTICS INC Health Care Equity 8471969.11 0.1
TNGX TANGO THERAPEUTICS INC Health Care Equity 8292717.72 0.1
CRVS CORVUS PHARMACEUTICALS INC Health Care Equity 7938331.52 0.09
TYRA TYRA BIOSCIENCES INC Health Care Equity 7856751.21 0.09
RAPT RAPT THERAPEUTICS INC Health Care Equity 7635188.82 0.09
TSHA TAYSHA GENE THERAPIES INC Health Care Equity 7633393.5 0.09
MBX MBX BIOSCIENCES INC Health Care Equity 7434054.0 0.09
GERN GERON CORP Health Care Equity 7311829.55 0.09
ATAI ATAIBECKLEY INC Health Care Equity 7205766.72 0.09
FTRE FORTREA HOLDINGS INC Health Care Equity 6921764.33 0.08
SION SIONNA THERAPEUTICS INC Health Care Equity 6804220.44 0.08
TRVI TREVI THERAPEUTICS INC Health Care Equity 6770426.86 0.08
TBPH THERAVANCE BIOPHARMA INC Health Care Equity 6770774.6 0.08
CSTL CASTLE BIOSCIENCES INC Health Care Equity 6700945.9 0.08
VTYX VENTYX BIOSCIENCES INC Health Care Equity 6591773.51 0.08
CDNA CAREDX INC Health Care Equity 6548358.6 0.08
GLUE MONTE ROSA THERAPEUTICS INC Health Care Equity 6503064.5 0.08
IOVA IOVANCE BIOTHERAPEUTICS INC Health Care Equity 6199429.32 0.07
INBX INHIBRX BIOSCIENCES INC Health Care Equity 6171223.38 0.07
DAWN DAY ONE BIOPHARMACEUTICALS INC Health Care Equity 5975970.0 0.07
RAPP RAPPORT THERAPEUTICS INC Health Care Equity 5803271.54 0.07
URGN UROGEN PHARMA LTD Health Care Equity 5765104.6 0.07
XNCR XENCOR INC Health Care Equity 5757477.6 0.07
STVN STEVANATO GROUP Health Care Equity 5716682.4 0.07
IRWD IRONWOOD PHARMA INC CLASS A Health Care Equity 5335517.19 0.06
VIR VIR BIOTECHNOLOGY INC Health Care Equity 5328041.76 0.06
PGEN PRECIGEN INC Health Care Equity 5226698.46 0.06
JANX JANUX THERAPEUTICS INC Health Care Equity 5217336.8 0.06
PHVS PHARVARIS N V NV Health Care Equity 5165400.8 0.06
CTMX CYTOMX THERAPEUTICS INC Health Care Equity 5128537.26 0.06
SEPN SEPTERNA INC Health Care Equity 5113102.4 0.06
ABCL ABCELLERA BIOLOGICS INC Health Care Equity 5008172.4 0.06
KURA KURA ONCOLOGY INC Health Care Equity 4997189.82 0.06
GHRS GH RESEARCH PLC Health Care Equity 4972332.68 0.06
ARVN ARVINAS INC Health Care Equity 4833082.62 0.06
ANNX ANNEXON INC Health Care Equity 4714128.9 0.06
FULC FULCRUM THERAPEUTICS INC Health Care Equity 4684547.88 0.06
SANA SANA BIOTECHNOLOGY INC Health Care Equity 4644167.46 0.06
RIGL RIGEL PHARMACEUTICALS INC Health Care Equity 4466394.4 0.05
ABUS ARBUTUS BIOPHARMA CORP Health Care Equity 4449175.2 0.05
SVRA SAVARA INC Health Care Equity 4400454.85 0.05
AVBP ARRIVENT BIOPHARMA INC Health Care Equity 4311590.2 0.05
ZBIO ZENAS BIOPHARMA INC Health Care Equity 4229898.33 0.05
KALV KALVISTA PHARMACEUTICALS INC Health Care Equity 4219871.04 0.05
REPL REPLIMUNE GROUP INC Health Care Equity 4202260.02 0.05
ORIC ORIC PHARMACEUTICALS INC Health Care Equity 4057067.52 0.05
EBS EMERGENT BIOSOLUTIONS INC Health Care Equity 4042840.2 0.05
PHAT PHATHOM PHARMACEUTICALS INC Health Care Equity 4024993.16 0.05
SPRY ARS PHARMACEUTICALS INC Health Care Equity 3886513.88 0.05
ALVO ALVOTECH SA Health Care Equity 3798247.62 0.04
PACB PACIFIC BIOSCIENCES OF CALIFORNIA Health Care Equity 3681037.76 0.04
BBOT BRIDGEBIO ONCOLOGY THERAPEUTICS IN Health Care Equity 3642774.44 0.04
CTKB CYTEK BIOSCIENCES INC Health Care Equity 3569899.47 0.04
FDMT 4D MOLECULAR THERAPEUTICS INC Health Care Equity 3517675.2 0.04
OPK OPKO HEALTH INC Health Care Equity 3501530.67 0.04
ALT ALTIMMUNE INC Health Care Equity 3493924.95 0.04
KROS KEROS THERAPEUTICS INC Health Care Equity 3486106.8 0.04
ZVRA ZEVRA THERAPEUTICS INC Health Care Equity 3464815.2 0.04
CGEM CULLINAN THERAPEUTICS INC Health Care Equity 3404560.53 0.04
FLGT FULGENT GENETICS INC Health Care Equity 3388901.92 0.04
BCAX BICARA THERAPEUTICS INC Health Care Equity 3330729.64 0.04
ANRO ALTO NEUROSCIENCE INC Health Care Equity 3325351.68 0.04
BIOA BIOAGE LABS INC Health Care Equity 3314745.84 0.04
PSNL PERSONALIS INC Health Care Equity 3289760.95 0.04
MGTX MEIRAGTX HOLDINGS PLC Health Care Equity 3168634.56 0.04
GOSS GOSSAMER BIO INC Health Care Equity 3167110.88 0.04
CMPS COMPASS PATHWAYS ADR PLC Health Care Equity 3112434.0 0.04
LAB STANDARD BIOTOOLS INC Health Care Equity 3021404.46 0.04
MYGN MYRIAD GENETICS INC Health Care Equity 2967675.48 0.04
PEPG PEPGEN INC Health Care Equity 2953507.41 0.03
ADCT ADC THERAPEUTICS SA Health Care Equity 2948810.7 0.03
LXEO LEXEO THERAPEUTICS INC Health Care Equity 2925666.99 0.03
RGNX REGENXBIO INC Health Care Equity 2845162.3 0.03
PRTA PROTHENA PLC Health Care Equity 2836602.0 0.03
ENTA ENANTA PHARMACEUTICALS INC Health Care Equity 2799735.12 0.03
CTNM CONTINEUM THERAPEUTICS INC CLASS A Health Care Equity 2751654.24 0.03
DNA GINKGO BIOWORKS HOLDINGS INC CLASS Health Care Equity 2741152.71 0.03
LCTX LINEAGE CELL THERAPEUTICS INC Health Care Equity 2731337.3 0.03
LENZ LENZ THERAPEUTICS INC Health Care Equity 2669498.37 0.03
SLDB SOLID BIOSCIENCES INC Health Care Equity 2646131.52 0.03
AVXL ANAVEX LIFE SCIENCES CORP Health Care Equity 2500140.72 0.03
VNDA VANDA PHARMACEUTICALS INC Health Care Equity 2490062.76 0.03
ABSI ABSCI CORP Health Care Equity 2425967.72 0.03
UPB UPSTREAM BIO INC Health Care Equity 2424537.6 0.03
RCKT ROCKET PHARMACEUTICALS INC Health Care Equity 2390771.5 0.03
MRVI MARAVAI LIFESCIENCES HOLDINGS INC Health Care Equity 2356672.1 0.03
CATX PERSPECTIVE THERAPEUTICS INC Health Care Equity 2320771.1 0.03
DSGN DESIGN THERAPEUTICS INC Health Care Equity 2320605.3 0.03
PRME PRIME MEDICINE INC Health Care Equity 2300713.52 0.03
ACRS ACLARIS THERAPEUTICS INC Health Care Equity 2295968.64 0.03
IMMP IMMUTEP ADS REPRESENTING LTD Health Care Equity 2279545.74 0.03
AVIR ATEA PHARMACEUTICALS INC Health Care Equity 1973016.46 0.02
AURA AURA BIOSCIENCES INC Health Care Equity 1915303.55 0.02
ALLO ALLOGENE THERAPEUTICS INC Health Care Equity 1907920.98 0.02
KYTX KYVERNA THERAPEUTICS INC Health Care Equity 1901161.6 0.02
AUTL AUTOLUS THERAPEUTICS ADR PLC Health Care Equity 1875115.02 0.02
NBP NOVABRIDGE BIOSCIENCES ADR Health Care Equity 1797114.6 0.02
CABA CABALETTA BIO INC Health Care Equity 1777510.8 0.02
TECX TECTONIC THERAPEUTIC INC Health Care Equity 1771879.62 0.02
IMRX IMMUNEERING CORP CLASS A Health Care Equity 1750195.52 0.02
CADL CANDEL THERAPEUTICS INC Health Care Equity 1698390.4 0.02
TRDA ENTRADA THERAPEUTICS INC Health Care Equity 1682780.4 0.02
NGNE NEUROGENE INC Health Care Equity 1654780.0 0.02
QTRX QUANTERIX CORP Health Care Equity 1638085.57 0.02
ARCT ARCTURUS THERAPEUTICS HOLDINGS INC Health Care Equity 1378109.85 0.02
OABI OMNIAB INC Health Care Equity 1361301.76 0.02
BCYC BICYCLE THERAPEUTICS ADR PLC Health Care Equity 1345140.24 0.02
ACIU AC IMMUNE SA Health Care Equity 1335743.05 0.02
LYEL LYELL IMMUNOPHARMA INC Health Care Equity 1316409.84 0.02
NMRA NEUMORA THERAPEUTICS INC Health Care Equity 1307741.5 0.02
QSI QUANTUM SI INC CLASS A Health Care Equity 1226556.84 0.01
CLLS CELLECTIS ADR REPRESENTING SA Health Care Equity 1219419.96 0.01
EDIT EDITAS MEDICINE INC Health Care Equity 1204551.6 0.01
HUMA HUMACYTE INC Health Care Equity 1178884.12 0.01
VYGR VOYAGER THERAPEUTICS INC Health Care Equity 1156907.34 0.01
AARD AARDVARK THERAPEUTICS INC Health Care Equity 1132130.04 0.01
LRMR LARIMAR THERAPEUTICS INC Health Care Equity 1105623.51 0.01
SGAFT CASH COLLATERAL USD SGAFT Cash and/or Derivatives Cash Collateral and Margins 1087000.0 0.01
CCCC C4 THERAPEUTICS INC Health Care Equity 1049071.29 0.01
FHTX FOGHORN THERAPEUTICS INC Health Care Equity 1039118.26 0.01
SGMT SAGIMET BIOSCIENCES INC SERIES A Health Care Equity 1001705.9 0.01
TNYA TENAYA THERAPEUTICS INC Health Care Equity 992970.02 0.01
CRBU CARIBOU BIOSCIENCES INC Health Care Equity 928978.4 0.01
CDXS CODEXIS INC Health Care Equity 734908.72 0.01
BDTX BLACK DIAMOND THERAPEUTICS INC Health Care Equity 723926.4 0.01
USD USD CASH Cash and/or Derivatives Cash 683059.45 0.01
SLN SILENCE THERAPEUTICS ADR REPRESENT Health Care Equity 654127.74 0.01
PYXS PYXIS ONCOLOGY INC Health Care Equity 479011.05 0.01
AKE AKERO THERAPEUTICS CVR Health Care Equity 335370.1 0.0
MENS JYONG BIOTECH LTD Health Care Equity 312086.88 0.0
TKNO ALPHA TEKNOVA INC Health Care Equity 174398.01 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 $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
RTYH6 RUSSELL 2000 EMINI CME MAR 26 Cash and/or Derivatives Futures 0.0 0.0
IXCH6 E-MINI HEALTH CARE SECTOR MAR 26 Cash and/or Derivatives Futures 0.0 0.0
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