The PHLX Semiconductor Sector is a Philadelphia Stock Exchange capitalization-weighted index composed of the 30 largest U.S. companies primarily involved in the design, distribution, manufacture, and sale of semiconductors. It was created in 1993 by the Philadelphia Stock Exchange. The Index contains the following 30 companies as updated on January 20, 2023: Advanced Micro Devices, Inc., AMD Analog Devices, Inc., ADI Applied Materials, Inc., AMAT ASML Holding N.V., ASML Azenta, Inc., AZTA Broadcom Inc., AVGO Coherent Corp., COHR Entegris, Inc., ENTG GLOBALFOUNDRIES Inc., GFS Intel Corporation, INTC IPG Photonics Corporation, IPGP KLA Corporation, KLAC Lam Research Corporation, LRCX Lattice Semiconductor Corporation, LSCC Marvell Technology, Inc., MRVL Microchip Technology Incorporated, MCHP Micron Technology, Inc., MU Monolithic Power Systems, Inc., MPWR Novanta Inc., NOVT NVIDIA Corporation, NVDA NXP Semiconductors N.V., NXPI ON Semiconductor Corporation, ON Qorvo, Inc., QRVO QUALCOMM Incorporated, QCOM Skyworks Solutions, Inc., SWKS Synaptics Incorporated, SYNA Taiwan Semiconductor Manufacturing Company Limited, TSM Teradyne, Inc., TER Texas Instruments Incorporated, TXN Wikipedia