Institutional shares held 50.4 Million
71.8K calls
5.1K puts
Total value of holdings $2.31B
$3.29M calls
$233K puts
Market Cap $2.51B
54,824,000 Shares Out.
Institutional ownership 91.91%
# of Institutions 365


Latest Institutional Activity in CWT

Top Purchases

Q3 2025
Amundi Shares Held: 2.28M ($104M)
Q3 2025
Millennium Management LLC Shares Held: 368K ($16.9M)
Q3 2025
American Century Companies Inc Shares Held: 228K ($10.4M)
Q3 2025
Ubs Group Ag Shares Held: 240K ($11M)
Q3 2025
First Trust Advisors LP Shares Held: 1.4M ($64.4M)

Top Sells

Q3 2025
Ubs Asset Management Americas Inc Shares Held: 242K ($11.1M)
Q3 2025
State Street Corp Shares Held: 3.1M ($142M)
Q3 2025
Susquehanna International Group, LLP Shares Held: 8.78K ($403K)
Q3 2025
Vanguard Group Inc Shares Held: 7.31M ($335M)
Q3 2025
Northern Trust Corp Shares Held: 655K ($30M)

About CWT

California Water Service Group, through its subsidiaries, provides water utility and other related services in California, Washington, New Mexico, Hawaii, and Texas. The company is involved in the production, purchase, storage, treatment, testing, distribution, and sale of water for domestic, industrial, public, and irrigation uses, as well as for fire protection. It offers its services to approximately 494,500 customer connections in 100 California communities; approximately 6,200 water and wastewater customer connections on the islands of Maui and Hawaii; approximately 36,400 customer connections in the Tacoma, Olympia, Graham, Spanaway, Puyallup, and Gig Harbor areas; and approximately 8,600 water and wastewater customer connections in the Belen, Los Lunas, Indian Hills, and Elephant Butte areas in New Mexico. The company also engages in the provision of non-regulated water-related services, including operating of municipally owned water systems, privately owned water, and recycled water distribution systems; water system operation, meter reading, and billing services to private companies and municipalities; leasing of communication antenna sites on its properties to telecommunication companies; and billing of optional third-party insurance programs to its residential customers, as well as provides lab services. In addition, it offers wastewater collection and treatment services. The company was founded in 1926 and is headquartered in San Jose, California.


Insider Transactions at CWT

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
200K Shares
From 25 Insiders
Grant, award, or other acquisition 199K shares
Open market or private purchase 550 shares
Sell / Disposition
30.8K Shares
From 16 Insiders
Sale (or disposition) back to the issuer 54 shares
Payment of exercise price or tax liability 26.5K shares
Open market or private sale 1.2K shares
Bona fide gift 3K shares

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