California Water Service (CWT)

Utilities ยท Water Supply

California Water Service (CWT) is listed on the New York Stock Exchange, where its shares have traded since June 1, 1972. SentiSense covers California Water Service in the Utilities sector, and its Standard Industrial Classification is Water Supply. Martin Kropelnicki is its chief executive officer. The company reports 1,336 employees, and its corporate website is www.calwatergroup.com.

About California Water Service

California Water Service Group is a U.S. water and utilities holding company based in California. The company provides water utility and other related services in California, Washington, New Mexico, Hawaii and Texas through its wholly-owned subsidiaries. The bulk of the company's business consists of the production, purchase, storage, treatment, testing, distribution, and sale of water for domestic, industrial, public, and irrigation uses, and the provision of water for domestic and municipal fire protection services.

Latest reported results

California Water Service Group reported revenue of $332.2 million for Q3 FY2026, up 6.7% from the same period a year earlier.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 333 institutions reported holding CWT, with 51.8 million shares worth $2.5 billion in aggregate. The largest reported holders were BlackRock, Vanguard and T. Rowe Price. Of the 5 largest reported holders, 1 opened a new position in CWT and 4 added shares during the quarter.

More on CWT

  • CWT sentiment: whether news and social coverage of California Water Service leans bullish or bearish, and the stories driving it.
  • CWT ownership: all 333 reporting institutions, plus insider and congressional trades.
  • CWT financials: revenue, net income, operating margin and free cash flow through Q3 FY2026.

SentiSense also tracks daily options readings for California Water Service: IV rank, put/call percentile, 25-delta skew and open-interest walls.

Frequently asked questions

What does California Water Service do?

California Water Service Group is a U.S. water and utilities holding company based in California.

What sector is CWT in?

SentiSense classifies California Water Service in the Utilities sector, and its Standard Industrial Classification is Water Supply.

Where does CWT stock trade?

California Water Service (CWT) is listed on the New York Stock Exchange, where its shares have traded since June 1, 1972.

Who is the CEO of California Water Service?

Martin Kropelnicki is the chief executive officer of California Water Service.