The PHLX Semiconductor Sector (SOX) 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
Wolfspeed, Inc., WOLF
History
The index was set to an initial value of 200 on December 1, 1993 and was split two-for-one on July 24, 1995; options commenced trading on September 7, 1994.