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WAL — S&P 400 index addition
Western Alliance Bancorporation
Sector
Unknown
Announced
Sep 23, 2024
Effective
Sep 23, 2024
Replaced
Progyny
1W after inclusion
+0.2%
-0.5% vs index
1M after inclusion
-4.6%
-5.6% vs index
3M after inclusion
-1.6%
-5.8% vs index
6M after inclusion
-9.5%
-6.6% vs index
1Y after inclusion
+5.7%
-1.9% 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: +5.2%
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.