IBB ETF holdings Page 3
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 field | Reported value |
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| Fund | iShares Biotechnology ETF |
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| Report date | 2026-03-31 |
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| Reported holdings | 258 |
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| SEC series ID | S000004350 |
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Positions 201–258 of 258
| Ticker | Issuer | Weight | Value (USD) | Balance |
|---|
| AVIR | Atea Pharmaceuticals, Inc. | 0.030472% | 2,475,101.28 | 460,056 NS |
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| PRME | Prime Medicine, Inc. | 0.030165% | 2,450,240.16 | 704,092 NS |
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| KROS | Keros Therapeutics, Inc. | 0.029193% | 2,371,270.56 | 214,789 NS |
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| FLGT | Fulgent Genetics, Inc. | 0.029117% | 2,365,093.2 | 148,748 NS |
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| TECX | Tectonic Therapeutic, Inc. | 0.028879% | 2,345,728.99 | 75,889 NS |
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| AURA | Aura Biosciences, Inc. | 0.027849% | 2,262,076.32 | 338,128 NS |
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| KYTX | Kyverna Therapeutics, Inc. | 0.026696% | 2,168,399.69 | 251,263 NS |
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| MRVI | Maravai LifeSciences Holdings, Inc. | 0.026446% | 2,148,117.16 | 759,052 NS |
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| IMRX | Immuneering Corp. | 0.025304% | 2,055,342.16 | 390,008 NS |
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| AVXL | Anavex Life Sciences Corp. | 0.025264% | 2,052,132.29 | 668,447 NS |
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| TRDA | Entrada Therapeutics, Inc. | 0.02459% | 1,997,329.54 | 158,267 NS |
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| Ginkgo Bioworks Holdings, Inc. | Ginkgo Bioworks Holdings, Inc. | 0.023948% | 1,945,189.99 | 317,323 NS |
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| UPB | Upstream Bio, Inc. | 0.023604% | 1,917,288 | 213,032 NS |
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| NGNE | Neurogene, Inc. | 0.023503% | 1,909,031.04 | 94,694 NS |
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| LENZ | LENZ Therapeutics, Inc. | 0.023315% | 1,893,784.65 | 206,971 NS |
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| AUTL | Autolus Therapeutics plc | 0.022455% | 1,823,919.78 | 1,321,681 NS |
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| EDIT | Editas Medicine, Inc. | 0.022234% | 1,805,972.61 | 731,163 NS |
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| CABA | Cabaletta Bio, Inc. | 0.020975% | 1,703,719.57 | 633,353 NS |
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| CCCC | C4 Therapeutics, Inc. | 0.019713% | 1,601,246.57 | 608,839 NS |
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| LRMR | Larimar Therapeutics, Inc. | 0.019413% | 1,576,867.5 | 350,415 NS |
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| CADL | Candel Therapeutics, Inc. | 0.017796% | 1,445,475.5 | 294,995 NS |
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| ARCT | Arcturus Therapeutics Holdings, Inc. | 0.01777% | 1,443,385.24 | 186,967 NS |
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| OmniAb, Inc. | OmniAb, Inc. | 0.016896% | 1,372,410.79 | 874,147 NS |
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| NBP | NovaBridge Biosciences | 0.01634% | 1,327,214.28 | 539,518 NS |
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| VYGR | Voyager Therapeutics, Inc. | 0.015637% | 1,270,105.98 | 329,043 NS |
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| ACIU | AC Immune SA | 0.015013% | 1,219,454.5 | 443,438 NS |
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| BCYC | Bicycle Therapeutics plc | 0.013944% | 1,132,628.64 | 244,101 NS |
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| CRBU | Caribou Biosciences, Inc. | 0.013906% | 1,129,519.6 | 594,484 NS |
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| CDXS | Codexis, Inc. | 0.013714% | 1,113,969.71 | 683,417 NS |
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| LYEL | Lyell Immunopharma, Inc. | 0.013438% | 1,091,524.78 | 54,413 NS |
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| Cellectis SA | Cellectis SA | 0.013264% | 1,077,397.41 | 339,873 NS |
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| FHTX | Foghorn Therapeutics, Inc. | 0.013134% | 1,066,848.2 | 223,190 NS |
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| QTRX | Quanterix Corp. | 0.012343% | 1,002,591.04 | 284,827 NS |
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| SGMT | Sagimet Biosciences, Inc. | 0.01217% | 988,502.08 | 189,187 NS |
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| Quantum-Si, Inc. | Quantum-Si, Inc. | 0.011659% | 947,015.32 | 1,223,534 NS |
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| Silence Therapeutics plc | Silence Therapeutics plc | 0.011245% | 913,359.51 | 173,313 NS |
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| TNYA | Tenaya Therapeutics, Inc. | 0.010229% | 830,881.38 | 1,200,002 NS |
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| NMRA | Neumora Therapeutics, Inc. | 0.010117% | 821,788.5 | 421,430 NS |
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| PEPG | PepGen, Inc. | 0.009835% | 798,859.41 | 451,333 NS |
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| Humacyte, Inc. | Humacyte, Inc. | 0.009128% | 741,460.2 | 1,222,120 NS |
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| BDTX | Black Diamond Therapeutics, Inc. | 0.008432% | 684,884.46 | 321,542 NS |
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| PYXS | Pyxis Oncology, Inc. | 0.006204% | 503,889.8 | 345,130 NS |
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| GOSS | Gossamer Bio, Inc. | 0.006109% | 496,211.08 | 1,510,536 NS |
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| MENS | Jyong Biotech Ltd. | 0.005466% | 443,972.85 | 206,499 NS |
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| Akero Therapeutics, Inc. | Akero Therapeutics, Inc. | 0.004192% | 340,529.64 | 515,954 NS |
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| AARD | Aardvark Therapeutics, Inc. | 0.004162% | 338,101.14 | 89,682 NS |
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| Immutep Ltd. | Immutep Ltd. | 0.003497% | 284,044.64 | 809,244 NS |
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| TKNO | Alpha Teknova, Inc. | 0.002833% | 230,148.04 | 79,636 NS |
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| N/A | N/A | 0.000695% | 56,477.09 | 33 NC |
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| Contra Chinook Therape | Contra Chinook Therape | 0.000672% | 54,563.54 | 320,962 NS |
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| RNAC | Cartesian Therapeutics, Inc. | 0.00002% | 1,585.48 | 6,098 NS |
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| Fusion Pharmaceuticals, Inc. | Fusion Pharmaceuticals, Inc. | 0.000013% | 1,034 | 1,880 NS |
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| Cargo Therapeutics, Inc. | Cargo Therapeutics, Inc. | 0% | 1.98 | 198,104 NS |
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| Akouos, Inc. | Akouos, Inc. | 0% | 1.57 | 157,087 NS |
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| Third Harmonic Bio, Inc. | Third Harmonic Bio, Inc. | 0% | 1.34 | 134,478 NS |
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| OmniAb Operations, Inc. | OmniAb Operations, Inc. | 0% | 0.47 | 46,839 NS |
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| OmniAb, Inc. | OmniAb, Inc. | 0% | 0.47 | 46,839 NS |
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| N/A | N/A | -0.000908% | -73,746.73 | 53 NC |
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