ETF:IBB | ETF Holdings | iShares Biotechnology ETF

IBB ETF holdings

Weights reproduce the dated portfolio and may not sum to exactly 100% because of cash, derivatives, rounding, liabilities, or other positions. Provenance stays internal.

Snapshot fieldReported value
FundiShares Biotechnology ETF
Report date2026-03-31
Reported holdings258
SEC series IDS000004350

Positions 1–100 of 258

TickerIssuerWeightValue (USD)Balance
BlackRock Funds IIIBlackRock Funds III9.662015%784,812,698.34784,655,767.188 NS
GILDGilead Sciences, Inc.7.748127%629,354,084.594,515,707 NS
AMGNAmgen, Inc.7.507492%609,808,123.81,733,148 NS
VRTXVertex Pharmaceuticals, Inc.7.443742%604,629,895.821,354,033 NS
REGNRegeneron Pharmaceuticals, Inc.7.21242%585,840,372.48758,232 NS
ALNYAlnylam Pharmaceuticals, Inc.3.990492%324,134,148.54979,642 NS
INSMInsmed, Inc.3.196629%259,651,282.241,587,887 NS
ARGXArgenx SE3.073624%249,660,060.75341,883 NS
BIIBBiogen, Inc.2.462512%200,021,463.181,091,046 NS
NTRANatera, Inc.2.414413%196,114,593.78980,622 NS
UTHRUnited Therapeutics Corp.2.303316%187,090,526.82315,509 NS
BeOne Medicines Ltd.BeOne Medicines Ltd.1.934583%157,139,596.71529,143 NS
INCYIncyte Corp.1.700932%138,160,912.761,467,923 NS
MRNAModerna, Inc.1.683893%136,776,917.22,692,459 NS
ILMNIllumina, Inc.1.680295%136,484,688.661,107,291 NS
Revolution Medicines, Inc.Revolution Medicines, Inc.1.537187%124,860,4421,283,912 NS
ROIVRoivant Sciences Ltd.1.242189%100,898,828.93,642,557 NS
NBIXNeurocrine Biosciences, Inc.1.179923%95,841,113.48727,502 NS
Genmab A/SGenmab A/S1.174286%95,383,279.343,555,098 NS
BBIOBridgebio Pharma, Inc.1.132448%91,984,896.621,238,687 NS
IONSIonis Pharmaceuticals, Inc.1.114471%90,524,674.411,205,549 NS
MEDPMedpace Holdings, Inc.1.004533%81,594,845.18169,922 NS
MDGLMadrigal Pharmaceuticals, Inc.1.001105%81,316,353.27155,341 NS
EXELExelixis, Inc.0.988114%80,261,172.141,871,326 NS
BMRNBioMarin Pharmaceutical, Inc.0.982222%79,782,521.71,412,330 NS
ASNDAscendis Pharma A/S0.957276%77,756,306.04339,948 NS
PRAXPraxis Precision Medicines, Inc.0.773863%62,858,302.43195,097 NS
CRLCharles River Laboratories International, Inc.0.769126%62,473,462.5362,165 NS
ARWRArrowhead Pharmaceuticals, Inc.0.752752%61,143,472.5975,175 NS
PCVXVaxcyte, Inc.0.748096%60,765,336.451,045,695 NS
TECHBio-Techne Corp.0.741148%60,200,9071,151,950 NS
CYTKCytokinetics, Inc.0.727833%59,119,424.52896,972 NS
HALOHalozyme Therapeutics, Inc.0.691046%56,131,284.26868,502 NS
AXSMAxsome Therapeutics, Inc.0.663973%53,932,253.76319,088 NS
BNTXBioNTech SE0.655993%53,284,093.28599,506 NS
KRYSKrystal Biotech, Inc.0.600957%48,813,697.12188,966 NS
PTGXProtagonist Therapeutics, Inc.0.58009%47,118,753.8447,047 NS
RGENRepligen Corp.0.575702%46,762,286.72396,896 NS
KYMRKymera Therapeutics, Inc.0.53463%43,426,156.65521,385 NS
ALKSAlkermes plc0.529644%43,021,168.321,216,662 NS
RYTMRhythm Pharmaceuticals, Inc.0.508093%41,270,656.83474,539 NS
Abivax SAAbivax SA0.503736%40,916,782.35367,461 NS
PTCTPTC Therapeutics, Inc.0.497515%40,411,445.76593,152 NS
COGTCogent Biosciences, Inc.0.478312%38,851,652.041,009,396 NS
Arcellx, Inc.Arcellx, Inc.0.474699%38,558,163.48335,814 NS
Terns Pharmaceuticals, Inc.Terns Pharmaceuticals, Inc.0.463322%37,634,066.56713,848 NS
Nuvalent, Inc.Nuvalent, Inc.0.448363%36,419,028.45355,481 NS
MIRMMirum Pharmaceuticals, Inc.0.446596%36,275,501.26392,677 NS
TEMTempus AI, Inc.0.430844%34,996,029.32773,906 NS
XENEXenon Pharmaceuticals, Inc.0.428386%34,796,378.5598,390 NS
Amicus Therapeutics, Inc.Amicus Therapeutics, Inc.0.410822%33,369,703.52,307,725 NS
CRSPCRISPR Therapeutics AG0.388712%31,573,778.81663,733 NS
Apellis Pharmaceuticals, Inc.Apellis Pharmaceuticals, Inc.0.38545%31,308,796.35778,245 NS
APGEApogee Therapeutics, Inc.0.36633%29,755,778.4353,520 NS
SRRKScholar Rock Holding Corp.0.359338%29,187,766.8593,730 NS
ACADACADIA Pharmaceuticals, Inc.0.3429%27,852,624.661,251,241 NS
Bruker Corp.Bruker Corp.0.339889%27,608,033.04764,342 NS
CRNXCrinetics Pharmaceuticals, Inc.0.324818%26,383,864.96726,428 NS
CGONCG oncology, Inc.0.316038%25,670,685.6379,295 NS
SYRESpyre Therapeutics, Inc.0.297392%24,156,169.96478,909 NS
ERASErasca, Inc.0.275766%22,399,575.821,384,399 NS
TARSTarsus Pharmaceuticals, Inc.0.25695%20,871,168.3297,522 NS
TWSTTwist Bioscience Corp.0.255538%20,756,498.4436,795 NS
Centessa Pharmaceuticals plcCentessa Pharmaceuticals plc0.254654%20,684,666.64520,762 NS
IDYAIdeaya Biosciences, Inc.0.25254%20,512,991.52615,636 NS
DNLIDenali Therapeutics, Inc.0.249426%20,260,0321,055,210 NS
TVTXTravere Therapeutics, Inc.0.246746%20,042,366674,600 NS
IBRXImmunityBio, Inc.0.242933%19,732,616.672,572,701 NS
ARQTArcutis Biotherapeutics, Inc.0.236329%19,196,193.24814,779 NS
VCYTVeracyte, Inc.0.229736%18,660,638.03579,343 NS
GPCRStructure Therapeutics, Inc.0.226487%18,396,783.2381,676 NS
EWTXEdgewise Therapeutics, Inc.0.221898%18,024,048572,192 NS
TXG10X Genomics, Inc.0.219997%17,869,630.68841,716 NS
LEGNLegend Biotech Corp.0.219131%17,799,257.52983,928 NS
Newamsterdam Pharma Co. NVNewamsterdam Pharma Co. NV0.211931%17,214,465.84537,784 NS
VERAVera Therapeutics, Inc.0.207908%16,887,668.94419,778 NS
DYNDyne Therapeutics, Inc.0.204782%16,633,731.1917,470 NS
BEAMBeam Therapeutics, Inc.0.203053%16,493,314.92692,124 NS
BCRXBioCryst Pharmaceuticals, Inc.0.2011%16,334,663.521,715,826 NS
KODKodiak Sciences, Inc.0.198249%16,103,069.72422,431 NS
SRPTSarepta Therapeutics, Inc.0.198135%16,093,848.32739,607 NS
CAICaris Life Sciences, Inc.0.197675%16,056,436.68898,011 NS
IMVTImmunovant, Inc.0.191502%15,555,081.24626,211 NS
ADMAADMA Biologics, Inc.0.189818%15,418,263.391,711,239 NS
ADPTAdaptive Biotechnologies Corp.0.188993%15,351,238.361,105,997 NS
SMMTSummit Therapeutics, Inc.0.186615%15,158,083.92799,477 NS
ORKAOruka Therapeutics, Inc.0.183775%14,927,435.55304,331 NS
SNDXSyndax Pharmaceuticals, Inc.0.18162%14,752,400.64631,524 NS
TNGXTango Therapeutics, Inc.0.177166%14,390,554.2687,885 NS
RAREUltragenyx Pharmaceutical, Inc.0.17546%14,251,991.7680,286 NS
IRONDisc Medicine, Inc.0.169156%13,740,002.66214,889 NS
AGIOAgios Pharmaceuticals, Inc.0.166632%13,534,943.21400,087 NS
GRALGRAIL, Inc.0.166089%13,490,805.6261,045 NS
DFTXDefinium Therapeutics, Inc.0.163583%13,287,267703,030 NS
ZYMEZymeworks, Inc.0.163379%13,270,724.24529,981 NS
RCUSArcus Biosciences, Inc.0.162839%13,226,868612,355 NS
BlackRock Funds IIIBlackRock Funds III0.159999%12,996,156.4312,996,156.43 NS
AUPHAurinia Pharmaceuticals, Inc.0.159525%12,957,659.52874,336 NS
ELVNEnliven Therapeutics, Inc.0.155666%12,644,195.2322,556 NS
Day One Biopharmaceuticals, Inc.Day One Biopharmaceuticals, Inc.0.152769%12,408,893.12578,773 NS

Research interface only. Not investment advice. Prices are a checked-in snapshot, not live quotes.