California Water Service (CWT) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for CWT. 13F holdings as of 2026-03-31.

Top Institutional Holders

InstitutionSharesValueChange
BlackRock, Inc.10,308,555$467MDECREASED
VANGUARD PORTFOLIO MANAGEMENT LLC4,289,673$194MNEW
Amundi3,470,997$157MINCREASED
T. Rowe Price Investment Management, Inc.3,418,294$155MINCREASED
STATE STREET CORP3,102,659$141MINCREASED

Recent Insider Trades

InsiderTypeSharesValueDate
Shawn C Bunting (Sr. VP, GC and Business Dev)SELL69$3K2026-06-04
Shawn C Bunting (Sr. VP, GC and Business Dev)SELL70$3K2026-06-04
Shannon C Dean (SR. VP, Cust Svc & Chief Sust)SELL73$3K2026-06-04
Shannon C Dean (SR. VP, Cust Svc & Chief Sust)SELL74$3K2026-06-04
Kristan A Hamner (VP, Chief Human Resource Offcr)SELL41$2K2026-06-04

Full institutional holdings, insider history, and congressional trades for California Water Service on SentiSense.