ETF constituents for IBB

Below, a list of constituents for IBB (iShares Biotechnology ETF) is shown. In total, IBB consists of 260 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 623480157.96 7.31
AMGN AMGEN INC Health Care Equity 617708236.2 7.24
VRTX VERTEX PHARMACEUTICALS INC Health Care Equity 599262988.4 7.03
REGN REGENERON PHARMACEUTICALS INC Health Care Equity 570880539.72 6.69
ALNY ALNYLAM PHARMACEUTICALS INC Health Care Equity 304301643.36 3.57
ARGX ARGENX SE ADR Health Care Equity 290906575.2 3.41
INSM INSMED INC Health Care Equity 230133523.2 2.7
NTRA NATERA INC Health Care Equity 204998703.6 2.4
BIIB BIOGEN INC Health Care Equity 194100352.8 2.28
RVMD REVOLUTION MEDICINES INC Health Care Equity 191298997.66 2.24
UTHR UNITED THERAPEUTICS CORP Health Care Equity 186218151.34 2.18
ONC BEONE MEDICINES AG Health Care Equity 171907928.91 2.02
ILMN ILLUMINA INC Health Care Equity 149395068.0 1.75
MRNA MODERNA INC Health Care Equity 145003871.16 1.7
INCY INCYTE CORP Health Care Equity 144040047.82 1.69
ROIV ROIVANT SCIENCES LTD Health Care Equity 108899366.78 1.28
GMAB GENMAB SPONSORED ADR Health Care Equity 101814610.3 1.19
NBIX NEUROCRINE BIOSCIENCES INC Health Care Equity 97241852.5 1.14
BBIO BRIDGEBIO PHARMA INC Health Care Equity 95365789.25 1.12
IONS IONIS PHARMACEUTICALS INC Health Care Equity 91556708.68 1.07
MEDP MEDPACE HOLDINGS INC Health Care Equity 88737831.8 1.04
EXEL EXELIXIS INC Health Care Equity 84265757.29 0.99
ASND ASCENDIS PHARMA ADR REPRESENTING Health Care Equity 83369391.36 0.98
MDGL MADRIGAL PHARMACEUTICALS INC Health Care Equity 82901484.48 0.97
BMRN BIOMARIN PHARMACEUTICAL INC Health Care Equity 77410345.76 0.91
TECH BIO TECHNE CORP Health Care Equity 68442693.43 0.8
ARWR ARROWHEAD PHARMACEUTICALS INC Health Care Equity 67995863.67 0.8
PRAX PRAXIS PRECISION MEDICINES INC Health Care Equity 67029305.0 0.79
CRL CHARLES RIVER LABORATORIES INTERNA Health Care Equity 66802316.84 0.78
PCVX VAXCYTE INC Health Care Equity 65319481.1 0.77
BNTX BIONTECH SE ADR Health Care Equity 61964529.8 0.73
AXSM AXSOME THERAPEUTICS INC Health Care Equity 60492675.16 0.71
HALO HALOZYME THERAPEUTICS INC Health Care Equity 60366210.19 0.71
CYTK CYTOKINETICS INC Health Care Equity 60023523.28 0.7
RGEN REPLIGEN CORP Health Care Equity 52239293.35 0.61
KRYS KRYSTAL BIOTECH INC Health Care Equity 51977602.34 0.61
PTGX PROTAGONIST THERAPEUTICS INC Health Care Equity 47525883.16 0.56
KYMR KYMERA THERAPEUTICS INC Health Care Equity 45790321.15 0.54
ABVX ABIVAX AMERICAN DEPOSITARY SHARES Health Care Equity 44291817.12 0.52
TEM TEMPUS AI INC CLASS A Health Care Equity 43372886.66 0.51
PTCT PTC THERAPEUTICS INC Health Care Equity 43096067.29 0.51
RYTM RHYTHM PHARMACEUTICALS INC Health Care Equity 42218036.42 0.5
ALKS ALKERMES Health Care Equity 42142380.21 0.49
ACLX ARCELLX INC Health Care Equity 38635400.7 0.45
CRSP CRISPR THERAPEUTICS AG Health Care Equity 38609915.97 0.45
MIRM MIRUM PHARMACEUTICALS INC Health Care Equity 38582602.95 0.45
NUVL NUVALENT INC CLASS A Health Care Equity 38372757.51 0.45
COGT COGENT BIOSCIENCES INC Health Care Equity 37717226.75 0.44
TERN TERNS PHARMACEUTICALS INC Health Care Equity 37701296.1 0.44
XENE XENON PHARMACEUTICALS INC Health Care Equity 35835283.2 0.42
SYRE SPYRE THERAPEUTICS INC Health Care Equity 35074223.03 0.41
SRRK SCHOLAR ROCK HOLDING CORP Health Care Equity 34519862.0 0.4
FOLD AMICUS THERAPEUTICS INC Health Care Equity 33473772.12 0.39
APGE APOGEE THERAPEUTICS INC Health Care Equity 32696056.2 0.38
APLS APELLIS PHARMACEUTICALS INC Health Care Equity 31929484.8 0.37
BRKR BRUKER CORP Health Care Equity 31205788.9 0.37
CRNX CRINETICS PHARMACEUTICALS INC Health Care Equity 29876413.0 0.35
CGON CG ONCOLOGY INC Health Care Equity 27938426.11 0.33
ACAD ACADIA PHARMACEUTICALS INC Health Care Equity 27826542.48 0.33
TVTX TRAVERE THERAPEUTICS INC Health Care Equity 27589181.31 0.32
ERAS ERASCA INC Health Care Equity 26399491.16 0.31
TWST TWIST BIOSCIENCE CORP Health Care Equity 26206170.17 0.31
TXG 10X GENOMICS INC CLASS A Health Care Equity 22020413.28 0.26
BEAM BEAM THERAPEUTICS INC Health Care Equity 21793480.59 0.26
DNLI DENALI THERAPEUTICS INC Health Care Equity 21773365.57 0.26
ORKA ORUKA THERAPEUTICS INC Health Care Equity 21039828.68 0.25
IDYA IDEAYA BIOSCIENCES INC Health Care Equity 20941323.96 0.25
LEGN LEGEND BIOTECH ADR REP CORP Health Care Equity 20894726.49 0.25
CNTA CENTESSA PHARMACEUTICALS AMERICAN Health Care Equity 20717789.1 0.24
SMMT SUMMIT THERAPEUTICS INC Health Care Equity 20169545.5 0.24
TARS TARSUS PHARMACEUTICALS INC Health Care Equity 20067710.76 0.24
ARQT ARCUTIS BIOTHERAPEUTICS INC Health Care Equity 20048859.6 0.24
IBRX IMMUNITYBIO INC Health Care Equity 19871567.1 0.23
EWTX EDGEWISE THERAPEUTICS INC Health Care Equity 19762028.11 0.23
VCYT VERACYTE INC Health Care Equity 19642836.2 0.23
GPCR STRUCTURE THERAPEUTICS ADR INC Health Care Equity 19430500.25 0.23
CAI CARIS LIFE SCIENCES INC Health Care Equity 19052131.5 0.22
KOD KODIAK SCIENCES INC Health Care Equity 19026285.2 0.22
ADMA ADMA BIOLOGICS INC Health Care Equity 18899501.76 0.22
DYN DYNE THERAPEUTICS INC Health Care Equity 18783976.12 0.22
NAMS NEWAMSTERDAM PHARMA NV Health Care Equity 18708507.48 0.22
IMVT IMMUNOVANT INC Health Care Equity 18405205.2 0.22
TNGX TANGO THERAPEUTICS INC Health Care Equity 18382399.2 0.22
VERA VERA THERAPEUTICS INC CLASS A Health Care Equity 17811937.8 0.21
RARE ULTRAGENYX PHARMACEUTICAL INC Health Care Equity 16930517.67 0.2
RLAY RELAY THERAPEUTICS INC Health Care Equity 16480493.48 0.19
BCRX BIOCRYST PHARMACEUTICALS INC Health Care Equity 16351191.0 0.19
ADPT ADAPTIVE BIOTECHNOLOGIES CORP Health Care Equity 16053698.09 0.19
DFTX DEFINIUM THERAPEUTICS INC Health Care Equity 15994457.64 0.19
SRPT SAREPTA THERAPEUTICS INC Health Care Equity 15988246.7 0.19
ELVN ENLIVEN THERAPEUTICS INC Health Care Equity 15566519.71 0.18
IRON DISC MEDICINE INC Health Care Equity 15470597.66 0.18
SNDX SYNDAX PHARMACEUTICALS INC Health Care Equity 15349511.16 0.18
RCUS ARCUS BIOSCIENCES INC Health Care Equity 14895950.5 0.17
ZLAB ZAI LABORATORY ADR REPRESENTING LT Health Care Equity 14892839.59 0.17
ZYME ZYMEWORKS INC Health Care Equity 14779425.2 0.17
AGIO AGIOS PHARMACEUTICALS INC Health Care Equity 14102911.9 0.17
AUPH AURINIA PHARMACEUTICALS INC Health Care Equity 14076861.15 0.17
GRAL GRAIL INC Health Care Equity 13540677.18 0.16
MLYS MINERALYS THERAPEUTICS INC Health Care Equity 13486361.02 0.16
VCEL VERICEL CORP Health Care Equity 13368082.88 0.16
ALMS ALUMIS INC Health Care Equity 13294954.89 0.16
ANAB ANAPTYSBIO INC Health Care Equity 13011607.36 0.15
RXRX RECURSION PHARMACEUTICALS INC CLAS Health Care Equity 12967373.16 0.15
AMLX AMYLYX PHARMACEUTICALS INC Health Care Equity 12662543.16 0.15
NRIX NURIX THERAPEUTICS INC Health Care Equity 12661393.45 0.15
NTLA INTELLIA THERAPEUTICS INC Health Care Equity 12527217.95 0.15
DAWN DAY ONE BIOPHARMACEUTICALS INC Health Care Equity 12465031.13 0.15
STOK STOKE THERAPEUTICS INC Health Care Equity 12385566.4 0.15
TSHA TAYSHA GENE THERAPIES INC Health Care Equity 10785643.42 0.13
NVAX NOVAVAX INC Health Care Equity 10260791.32 0.12
IOVA IOVANCE BIOTHERAPEUTICS INC Health Care Equity 10140941.82 0.12
BHVN BIOHAVEN LTD Health Care Equity 10105959.06 0.12
NVCR NOVOCURE LTD Health Care Equity 9822391.4 0.12
TYRA TYRA BIOSCIENCES INC Health Care Equity 9719365.88 0.11
TRVI TREVI THERAPEUTICS INC Health Care Equity 9296087.4 0.11
NUVB NUVATION BIO INC CLASS A Health Care Equity 9151564.12 0.11
WVE WAVE LIFE SCIENCES LTD Health Care Equity 8837113.95 0.1
IMCR IMMUNOCORE HOLDINGS ADR PLC Health Care Equity 8744641.05 0.1
ATAI ATAIBECKLEY INC Health Care Equity 8732212.06 0.1
VIR VIR BIOTECHNOLOGY INC Health Care Equity 8704199.75 0.1
RAPP RAPPORT THERAPEUTICS INC Health Care Equity 8674133.27 0.1
GRFS GRIFOLS ADR REPRESENTING ONE NON-V Health Care Equity 8568052.5 0.1
OLMA OLEMA PHARMACEUTICALS INC Health Care Equity 8441150.64 0.1
SION SIONNA THERAPEUTICS INC Health Care Equity 8084376.58 0.09
GLPG GALAPAGOS ADR REPRESENTING NV Health Care Equity 7985885.76 0.09
CRVS CORVUS PHARMACEUTICALS INC Health Care Equity 7948185.48 0.09
GERN GERON CORP Health Care Equity 7605655.68 0.09
MESO MESOBLAST ADR REPRESENTING LTD Health Care Equity 7597557.42 0.09
QURE UNIQURE NV Health Care Equity 7295506.62 0.09
CDNA CAREDX INC Health Care Equity 7260073.38 0.09
FTRE FORTREA HOLDINGS INC Health Care Equity 7216352.46 0.08
ABCL ABCELLERA BIOLOGICS INC Health Care Equity 6967062.22 0.08
GLUE MONTE ROSA THERAPEUTICS INC Health Care Equity 6873747.8 0.08
MBX MBX BIOSCIENCES INC Health Care Equity 6761429.4 0.08
XNCR XENCOR INC Health Care Equity 6724189.14 0.08
INBX INHIBRX BIOSCIENCES INC Health Care Equity 6711832.56 0.08
BCAX BICARA THERAPEUTICS INC Health Care Equity 6592569.76 0.08
URGN UROGEN PHARMA LTD Health Care Equity 6467447.28 0.08
MNKD MANNKIND CORP Health Care Equity 6265718.76 0.07
ANNX ANNEXON INC Health Care Equity 6251304.78 0.07
JANX JANUX THERAPEUTICS INC Health Care Equity 6226324.86 0.07
GHRS GH RESEARCH PLC Health Care Equity 6147623.02 0.07
TBPH THERAVANCE BIOPHARMA INC Health Care Equity 6112445.88 0.07
KURA KURA ONCOLOGY INC Health Care Equity 6102349.44 0.07
AVBP ARRIVENT BIOPHARMA INC Health Care Equity 5983397.16 0.07
ANRO ALTO NEUROSCIENCE INC Health Care Equity 5913784.8 0.07
STVN STEVANATO GROUP Health Care Equity 5770109.38 0.07
KALV KALVISTA PHARMACEUTICALS INC Health Care Equity 5688934.4 0.07
MAZE MAZE THERAPEUTICS INC Health Care Equity 5577381.86 0.07
PHVS PHARVARIS N V NV Health Care Equity 5503393.38 0.06
CSTL CASTLE BIOSCIENCES INC Health Care Equity 5419843.05 0.06
ABUS ARBUTUS BIOPHARMA CORP Health Care Equity 5300224.88 0.06
SEPN SEPTERNA INC Health Care Equity 5264463.36 0.06
IRWD IRONWOOD PHARMA INC CLASS A Health Care Equity 5214690.33 0.06
SLDB SOLID BIOSCIENCES INC Health Care Equity 5150936.32 0.06
XTSLA BLK CSH FND TREASURY SL AGENCY Cash and/or Derivatives Money Market 5084338.25 0.06
CGEM CULLINAN THERAPEUTICS INC Health Care Equity 4886021.22 0.06
CTMX CYTOMX THERAPEUTICS INC Health Care Equity 4774089.5 0.06
PHAT PHATHOM PHARMACEUTICALS INC Health Care Equity 4722785.02 0.06
ORIC ORIC PHARMACEUTICALS INC Health Care Equity 4576758.75 0.05
SVRA SAVARA INC Health Care Equity 4496730.18 0.05
ZVRA ZEVRA THERAPEUTICS INC Health Care Equity 4428391.44 0.05
PGEN PRECIGEN INC Health Care Equity 4410464.86 0.05
MGTX MEIRAGTX HOLDINGS PLC Health Care Equity 4371708.44 0.05
ARVN ARVINAS INC Health Care Equity 4370047.0 0.05
SANA SANA BIOTECHNOLOGY INC Health Care Equity 4363993.92 0.05
RIGL RIGEL PHARMACEUTICALS INC Health Care Equity 4262566.77 0.05
CMPS COMPASS PATHWAYS ADR PLC Health Care Equity 4089626.28 0.05
CTKB CYTEK BIOSCIENCES INC Health Care Equity 4017315.35 0.05
BIOA BIOAGE LABS INC Health Care Equity 3920286.78 0.05
ZBIO ZENAS BIOPHARMA INC Health Care Equity 3851011.8 0.05
SPRY ARS PHARMACEUTICALS INC Health Care Equity 3802473.0 0.04
OPK OPKO HEALTH INC Health Care Equity 3585569.12 0.04
FDMT 4D MOLECULAR THERAPEUTICS INC Health Care Equity 3564502.0 0.04
PRTA PROTHENA PLC Health Care Equity 3535491.3 0.04
ABSI ABSCI CORP Health Care Equity 3501705.4 0.04
FULC FULCRUM THERAPEUTICS INC Health Care Equity 3485339.83 0.04
PACB PACIFIC BIOSCIENCES OF CALIFORNIA Health Care Equity 3427042.84 0.04
MYGN MYRIAD GENETICS INC Health Care Equity 3378006.96 0.04
EBS EMERGENT BIOSOLUTIONS INC Health Care Equity 3327325.56 0.04
ACRS ACLARIS THERAPEUTICS INC Health Care Equity 3265700.0 0.04
ALT ALTIMMUNE INC Health Care Equity 3253246.5 0.04
LXEO LEXEO THERAPEUTICS INC Health Care Equity 3170826.25 0.04
RGNX REGENXBIO INC Health Care Equity 3155026.42 0.04
PSNL PERSONALIS INC Health Care Equity 3111453.98 0.04
DSGN DESIGN THERAPEUTICS INC Health Care Equity 3104113.28 0.04
BBOT BRIDGEBIO ONCOLOGY THERAPEUTICS IN Health Care Equity 3043649.4 0.04
ALVO ALVOTECH SA Health Care Equity 2972437.9 0.03
VNDA VANDA PHARMACEUTICALS INC Health Care Equity 2953808.27 0.03
RCKT ROCKET PHARMACEUTICALS INC Health Care Equity 2951709.83 0.03
CATX PERSPECTIVE THERAPEUTICS INC Health Care Equity 2921616.6 0.03
ADCT ADC THERAPEUTICS SA Health Care Equity 2890035.76 0.03
ENTA ENANTA PHARMACEUTICALS INC Health Care Equity 2883580.23 0.03
LCTX LINEAGE CELL THERAPEUTICS INC Health Care Equity 2781289.35 0.03
CTNM CONTINEUM THERAPEUTICS INC CLASS A Health Care Equity 2719340.58 0.03
PRME PRIME MEDICINE INC Health Care Equity 2690957.28 0.03
ALLO ALLOGENE THERAPEUTICS INC Health Care Equity 2671962.64 0.03
AVIR ATEA PHARMACEUTICALS INC Health Care Equity 2648952.6 0.03
MRVI MARAVAI LIFESCIENCES HOLDINGS INC Health Care Equity 2581210.41 0.03
CADL CANDEL THERAPEUTICS INC Health Care Equity 2569581.56 0.03
LAB STANDARD BIOTOOLS INC Health Care Equity 2562919.71 0.03
EDIT EDITAS MEDICINE INC Health Care Equity 2559716.07 0.03
DNA GINKGO BIOWORKS HOLDINGS INC CLASS Health Care Equity 2556053.39 0.03
NGNE NEUROGENE INC Health Care Equity 2538249.0 0.03
AURA AURA BIOSCIENCES INC Health Care Equity 2472629.49 0.03
AVXL ANAVEX LIFE SCIENCES CORP Health Care Equity 2440736.48 0.03
FLGT FULGENT GENETICS INC Health Care Equity 2426203.38 0.03
KYTX KYVERNA THERAPEUTICS INC Health Care Equity 2417190.39 0.03
TECX TECTONIC THERAPEUTIC INC Health Care Equity 2246478.26 0.03
TRDA ENTRADA THERAPEUTICS INC Health Care Equity 2221080.38 0.03
CABA CABALETTA BIO INC Health Care Equity 2185524.88 0.03
IMRX IMMUNEERING CORP CLASS A Health Care Equity 2175199.88 0.03
UPB UPSTREAM BIO INC Health Care Equity 2134813.05 0.03
AUTL AUTOLUS THERAPEUTICS ADR PLC Health Care Equity 2121284.8 0.02
LENZ LENZ THERAPEUTICS INC Health Care Equity 2113530.88 0.02
LRMR LARIMAR THERAPEUTICS INC Health Care Equity 1800345.6 0.02
CCCC C4 THERAPEUTICS INC Health Care Equity 1783354.96 0.02
CDXS CODEXIS INC Health Care Equity 1670319.49 0.02
ARCT ARCTURUS THERAPEUTICS HOLDINGS INC Health Care Equity 1659808.65 0.02
KROS KEROS THERAPEUTICS INC Health Care Equity 1626447.9 0.02
CLLS CELLECTIS ADR REPRESENTING SA Health Care Equity 1506919.44 0.02
NBP NOVABRIDGE BIOSCIENCES ADR Health Care Equity 1461242.7 0.02
OABI OMNIAB INC Health Care Equity 1438073.36 0.02
VYGR VOYAGER THERAPEUTICS INC Health Care Equity 1363184.97 0.02
ACIU AC IMMUNE SA Health Care Equity 1338911.21 0.02
QSI QUANTUM SI INC CLASS A Health Care Equity 1313264.5 0.02
CRBU CARIBOU BIOSCIENCES INC Health Care Equity 1311943.6 0.02
LYEL LYELL IMMUNOPHARMA INC Health Care Equity 1310561.84 0.02
SLN SILENCE THERAPEUTICS ADR REPRESENT Health Care Equity 1309113.09 0.02
BCYC BICYCLE THERAPEUTICS ADR PLC Health Care Equity 1305119.79 0.02
REPL REPLIMUNE GROUP INC Health Care Equity 1242778.53 0.01
SGMT SAGIMET BIOSCIENCES INC SERIES A Health Care Equity 1227863.66 0.01
FHTX FOGHORN THERAPEUTICS INC Health Care Equity 1184356.94 0.01
QTRX QUANTERIX CORP Health Care Equity 1000002.5 0.01
BDTX BLACK DIAMOND THERAPEUTICS INC Health Care Equity 986984.64 0.01
TNYA TENAYA THERAPEUTICS INC Health Care Equity 941447.4 0.01
NMRA NEUMORA THERAPEUTICS INC Health Care Equity 908899.6 0.01
HUMA HUMACYTE INC Health Care Equity 870655.49 0.01
PEPG PEPGEN INC Health Care Equity 769658.0 0.01
GOSS GOSSAMER BIO INC Health Care Equity 675799.72 0.01
PYXS PYXIS ONCOLOGY INC Health Care Equity 574703.62 0.01
MENS JYONG BIOTECH LTD Health Care Equity 505431.36 0.01
AARD AARDVARK THERAPEUTICS INC Health Care Equity 470496.03 0.01
IMMP IMMUTEP ADS REPRESENTING LTD Health Care Equity 341897.54 0.0
AKE AKERO THERAPEUTICS CVR Health Care Equity 340529.64 0.0
TKNO ALPHA TEKNOVA INC Health Care Equity 234063.05 0.0
SGAFT CASH COLLATERAL USD SGAFT Cash and/or Derivatives Cash Collateral and Margins 188000.0 0.0
ADRO CHINOOK THERAPEUTICS INC Health Care Equity 54563.54 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
USD USD CASH Cash and/or Derivatives Cash -1781138.99 -0.02
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