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ENSG — S&P 400 index addition
Ensign Group
Sector
Unknown
Announced
Oct 1, 2024
Effective
Oct 1, 2024
Replaced
Southwestern Energy
1W after inclusion
+0.1%
-0.0% vs index
1M after inclusion
+6.8%
+6.4% vs index
3M after inclusion
-8.5%
-10.0% vs index
6M after inclusion
-11.3%
-7.0% vs index
1Y after inclusion
+20.4%
+13.3% vs index
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: -4.0%
Other stocks added to the S&P MidCap 400
- SUI — Sun Communities joined on Aug 20, 2026.
- KRYS — Krystal Biotech joined on Jul 24, 2026.
- MOH — Molina Healthcare joined on Jul 22, 2026.
- BTSG — BrightSpring Health Services joined on Jul 17, 2026.
- ALSN — Allison Transmission joined on Jul 6, 2026.
- TOST — Toast, Inc. joined on Jul 1, 2026.
See the full S&P MidCap 400 additions log or the index review calendar.