iShares^®

iShares Trust

Supplement dated November 3, 2023 (the “Supplement”)

to the currently effective Summary Prospectus, Prospectus and

the Statement of Additional Information (the “SAI”),

for the iShares Biotechnology ETF (IBB) and the iShares Semiconductor ETF (SOXX),

(each a “Fund” and together, the “Funds”)

Effective on or around November 3, 2023, all references in the respective Summary Prospectus, Prospectus, and SAI to the name of the Underlying Index of each Fund is changed as follows:

Fund Name	Current Name of Underlying Index	New Name of Underlying Index
iShares Biotechnology ETF (IBB)	ICE Biotechnology Index	NYSE Biotechnology Index
iShares Semiconductor ETF (SOXX)	ICE Semiconductor Index	NYSE Semiconductor Index

If you have any questions, please call 1‑800‑iShares (1‑800‑474‑2737).

iShares^® is a registered trademark of BlackRock Fund Advisors and its affiliates.

IS‑A‑IBB‑SOXX‑1123

PLEASE RETAIN THIS SUPPLEMENT

FOR FUTURE REFERENCE