Arista Networks Included in S&P 100 Index

Saturday, September 19, 2026·Consolidated from 1 source

Arista Networks is set to join the prestigious S&P 100 index, a move that signals the company's growing influence in the tech sector. The change is effective Monday, coinciding with Nike's departure from the index. This inclusion highlights Arista's significant market presence and growth.

Arista Networks, Inc. (ANET) will be added to the S&P 100 index, a significant development reflecting the company's increasing prominence in the technology landscape. The inclusion is scheduled to take effect on Monday.

This adjustment to the S&P 100 means that Arista Networks will now be among the 100 largest U.S. publicly traded companies. The change is part of the regular rebalancing of the index, which aims to accurately represent the U.S. equity market.

The news also coincides with Nike, Inc. being removed from the S&P 100 on the same day. While the specific reasons for individual company movements are not detailed in the reports, such rebalancing often reflects shifts in market capitalization and sector representation. Arista's entry into this elite group underscores its robust performance and market position within the networking and cloud infrastructure industry.

Sources