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EME — S&P 500 index addition
EMCOR Group
Sector
Industrials
Announced
Sep 5, 2025
Effective
Sep 22, 2025
Replaced
Enphase Energy
1W after inclusion
-2.3%
-3.4% vs S&P 500
1M after inclusion
+1.1%
-1.8% vs S&P 500
3M after inclusion
-6.7%
-10.4% vs S&P 500
6M after inclusion
+10.6%
+9.1% vs S&P 500
1Y after inclusion
—
window not elapsed
Indexed performance around the effective date (effective close = 100)
Prices last updated: 2026-09-16 06:30 UTC (9h ago)
Run-up in the 30 days into inclusion: +7.5%
Other stocks added to the S&P 500
- RDDT — Reddit joined on Aug 18, 2026.
- FERG — Ferguson Enterprises joined on Aug 5, 2026.
- HONA — Honeywell Aerospace joined on Jun 29, 2026.
- FLEX — Flex Ltd. joined on Jun 22, 2026.
- MRVL — Marvell Technology joined on Jun 22, 2026.
- FDXF — FedEx Freight joined on Jun 1, 2026.
See the full S&P 500 additions log or the index review calendar.