← All S&P SmallCap 600 additions
HTO — S&P 600 index addition
H2O America
Sector
Unknown
Announced
Jun 6, 2025
Effective
Jun 6, 2025
Replaced
San Jose Water Group
1W after inclusion
+3.3%
+1.9% vs S&P 600
1M after inclusion
+3.2%
-1.4% vs S&P 600
3M after inclusion
-1.8%
-12.9% vs S&P 600
6M after inclusion
-4.8%
-19.1% vs S&P 600
1Y after inclusion
+15.7%
-18.1% vs S&P 600
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 SmallCap 600
- ADIG — ADI Global Distribution joined on Aug 4, 2026.
- FIVN — Five9 joined on Aug 3, 2026.
- VVX — V2X, Inc. joined on Jul 27, 2026.
- TPC — Tutor Perini joined on Jul 24, 2026.
- ROAD — Construction Partners joined on Jul 22, 2026.
- KRMN — Karman Holdings joined on Jul 17, 2026.
See the full S&P SmallCap 600 additions log or the index review calendar.