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California Water Service Group

CWT
Exchange
NYSE
Industry
Water Supply
SEC CIK
0001035201

In the last 90 days, California Water Service Group insiders filed 0 open-market purchases and 2 sales; 346 institutions reported holding it in 13F filings for Q2 2026, worth $2.69B in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding California Water Service Group changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of CWT: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders3387337+6
Shares50.4M711.4K50.1M+431.8K (+0.9%)
Value$2.29B$32.4M$2.30B+$38.0M (+1.7%)

7 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (36)

Institutions that held California Water Service Group at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to CWT in Q3 2025
InstitutionSharesValue% of portfolio
Jackson Creek Investment Advisors LLC37,534$1.72M0.50%
Maven Securities LTD27,112$1.24M0.24%
Balyasny Asset Management LLC26,625$1.22M0.00%
Voloridge Investment Management, LLC22,318$1.02M0.00%
Teton Advisors, LLC20,060$920.6K0.57%
Brevan Howard Capital Management LP18,795$862.5K0.01%
Gsa Capital Partners LLP17,924$823.0K0.07%
Capstone Investment Advisors, LLC10,263$471.0K0.00%
Captrust Financial Advisors10,188$467.5K0.00%
Connor, Clark & Lunn Investment Management Ltd.8,504$390.2K0.00%
Edgestream Partners, L.P.7,253$332.8K0.01%
Quadrature Capital Ltd7,231$332.0K0.00%
CIBC Bancorp USA Inc.6,378$292.7K0.00%
Entropy Technologies, LP6,269$287.7K0.02%
MQS Management LLC6,021$276.3K0.16%
Hohimer Wealth Management, LLC4,673$214.4K0.03%
Evergreen Capital Management LLC4,548$208.7K0.00%
Rockefeller Capital Management L.P.1,643$75.4K0.00%
Mather Group, LLC.1,528$70.1K0.00%
Advisory Services Network, LLC957$43.9K0.00%
Aster Capital Management (DIFC) Ltd939$43.1K0.02%
Quadrant Capital Group LLC536$24.6K0.00%
Grey Fox Wealth Advisors, LLC504$23.1K0.00%
Salomon & Ludwin, LLC347$15.8K0.00%
Westfuller Advisors, LLC265$12.1K0.01%
GWM Advisors LLC175$8.02K0.00%
Wealthspire Advisors, LLC107$4.91K0.00%
Caitong International Asset Management Co., Ltd100$4.59K0.00%
Root Financial Partners, LLC70$3.21K0.00%
Quarry LP48$2.20K0.00%
Sunbelt Securities, Inc.37$1.70K0.00%
Transamerica Financial Advisors, Inc.36$1.65K0.00%
Tortoise Investment Management, LLC29$1.33K0.00%
TD Private Client Wealth LLC15$6880.00%
Rossby Financial, LCC11$4900.00%
Cloud Capital Management, LLC5$00.00%

Sold out (30)

Institutions that held California Water Service Group at the end of Q2 2025 and filed for Q3 2025 without it.

Not filed for Q3 2025 yet (7)

Institutions that held California Water Service Group at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CWT in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Norges Bank676,286$30.8M
Teton Advisors, Inc.20,060$912.3K
CIBC World Markets Corp7,372$335.3K
Avantax Advisory Services, Inc.6,117$278.2K
Parkworth Wealth Management, Inc.1,119$50.9K
Vega Investment Solutions445$20.2K
Financial Gravity Companies, Inc.3$136