Index history
S&P 500 changes in 2026
The S&P 500 saw 18 changes in 2026: 16 companies added and 16 removed. Dates and reasons for each change below — or browse every change since 1976.
Date
Added
Removed
Reason
- Sep 21, 2026Market capitalization change.
- Sep 21, 2026Market capitalization change.
- Sep 21, 2026Market capitalization change.
- Aug 18, 2026S&P 500 constituent Equity Residential acquired AvalonBay Communities; the combined company was renamed Vivmark Residential (VMRK).
- Aug 5, 2026PIF, Silver Lake and Affinity Partners acquired Electronic Arts.
- Jun 30, 2026—Market capitalization change.
- Jun 29, 2026—S&P 500 constituent Honeywell spun off Honeywell Aerospace.
- Jun 22, 2026Market capitalization change.
- Jun 22, 2026Market capitalization change.
- Jun 2, 2026—Market capitalization change.
- Jun 1, 2026—S&P 500 & 100 constituent FedEx Corp. spun off FedEx Freight Holding.
- May 7, 2026S&P 500 constituent Devon Energy Corp. acquired Coterra Energy.
- Apr 9, 2026Blackstone Inc. and TPG Inc. acquired Hologic.
- Mar 23, 2026Market capitalization change.
- Mar 23, 2026Market capitalization change.
- Mar 23, 2026Market capitalization change.
- Mar 23, 2026Market capitalization change.
- Feb 9, 2026Thoma Bravo L.P. acquired Dayforce.
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