PHLX Semiconductor Sector

The PHLX Semiconductor Sector (SOX) is a capitalization-weighted index comprising the 30 largest U.S.-traded companies (not necessarily U.S. companies) primarily involved in the design, distribution, manufacture, and sale of semiconductors. It was created in 1993 by the Philadelphia Stock Exchange,^[1] which is now owned by NASDAQ.^[2]

The Index contains the following components as updated on September 20, 2024:^[1]

Advanced Micro Devices, Inc., AMD
Allegro Microsystems, Inc., ALGM
Amkor Technology, Inc., AMKR
Analog Devices, Inc., ADI
Applied Materials, Inc., AMAT
ASML Holding N.V., ASML
Axcelis Technologies, Inc., ACLS
Broadcom Inc., AVGO
Coherent Corp., COHR
Entegris, Inc., ENTG
GLOBALFOUNDRIES Inc., GFS
Intel Corporation, INTC
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
NVIDIA Corporation, NVDA
NXP Semiconductors N.V., NXPI
ON Semiconductor Corporation, ON
Qorvo, Inc., QRVO
QUALCOMM Incorporated, QCOM
Rambus, Inc., RMBS
Skyworks Solutions, Inc., SWKS
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.^[1]