The Trade Desk Set to Join S&P 500

PR Newswire


NEW YORK
, July 14, 2025 /PRNewswire/ — The Trade Desk Inc. (NASD: TTD) will replace ANSYS Inc. (NASD: ANSS) in the S&P 500 effective prior to the opening of trading on Friday, July 18. S&P 500 constituent Synopsys Inc. (NASD: SNPS) will acquire ANSYS in a deal expected to be completed on July 17.

Following is a summary of the change that will take place prior to the open of trading on the effective date:


Effective Date


Index Name 


Action


Company Name


Ticker


GICS
 Sector


July 18, 2025

S&P 500

Addition

The Trade Desk

TTD

Communication Services


July 18, 2025

S&P 500

Deletion

ANSYS

ANSS

Information Technology

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SOURCE S&P Dow Jones Indices