PHLX Semiconductor Sector
widely used stock market index
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, which is now owned by NASDAQ.
The Index contains the following components as updated on September 20, 2024:
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.
“PHLX Semiconductor Sector” enters the record as widely used stock market index. Crown Archives preserves that source wording while asking what PHLX, Semiconductor and Sector can confirm, complicate or overturn.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 26, 2026. The linked authority identifier is Q2443320. None of the 1 selected statements returned an explicit reference. The first chronological checks are 1993, 2024, 1995 and 1994.
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This entry incorporates text from “PHLX Semiconductor Sector” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.