CALIFORNIA WATER SERVICE GRP (CWT) Institutional Ownership and Insiders Activity

CALIFORNIA WATER SERVICE GRP (CWT) is widely held by institutional investors, with 2 tracked firms reporting positions valued at approximately $4.82M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Renaissance Technologies LLC is the largest disclosed holder, reporting approximately $4.55M in CWT holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Renaissance Technologies LLC representing the majority of disclosed value.

Recent insider activity includes 29 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.