CALIFORNIA WATER SERVICE GROUP (CWT) Stock
4 of the hedge funds AlphaScala tracks reported CWT in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Citadel's at $9.55M. Company insiders reported 0 open-market buys and 2 sales on SEC Form 4 in the 90 days to Oct 21, 2026.
Which hedge funds own CWT?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Citadel Ken Griffin | 196K | $9.55M | +466% |
| D.E. Shaw David Shaw | 193K | $9.37M | +133% |
| Renaissance Technologies Jim Simons (founder) | 144K | $7.02M | +44% |
| Millennium Management Israel Englander | 110K | $5.37M | +80% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are CALIFORNIA WATER SERVICE GROUP insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 1, 26 | Snow Lester A | Director | SELL | 500 | $25K |
| Aug 13, 26 | Krummel Thomas M | Director | SELL | 3.7K | $186K |
SEC Form 4 filings as of Oct 21, 2026
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Powered by TradingViewWhat does CALIFORNIA WATER SERVICE GROUP do?
California Water Service Group is a leading regulated utility company specializing in the provision of water and wastewater services across the western United States. As the third-largest investor-owned and publicly traded water utility in the country, the company serves more than two million people through its network of subsidiaries, which operate in California, Hawaii, New Mexico, Texas, and Washington. Its core operations encompass the production, purchase, treatment, storage, testing, and distribution of water for a wide range of uses, including residential, commercial, industrial, public authority, agricultural, and fire protection purposes. Founded in 1926 and headquartered in San Jose, California, California Water Service Group has established itself as a key infrastructure provider, with a pronounced commitment to water quality, environmental stewardship, and customer service. The company’s subsidiaries manage both regulated and unregulated utilities, delivering water, wastewater, and recycled water services. California Water Service Group also regularly engages in community initiatives, technological innovation, and sustainability practices, earning recognition for corporate responsibility and trustworthiness in the industry. Its strategic acquisitions and constant infrastructure investments underline its role as a critical player in sustaining public health and supporting economic development in the regions it serves.