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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.

Q2 2026 vs. Q1 2026

How the institutions holding California Water Service Group changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of CWT: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders3394346+11
Shares51.3M36.8K55.2M+4.01M (+7.8%)
Value$2.32B$1.67M$2.69B+$364.8M (+15.7%)

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (54)

Institutions that held California Water Service Group at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to CWT in Q2 2026
InstitutionSharesValue% of portfolio
ATLAS Infrastructure Partners (UK) Ltd.1,984,605$96.6M2.93%
Antipodes Partners Ltd753,386$36.7M0.67%
Nomura Asset Management International Inc.747,216$36.4M0.05%
Panagora Asset Management Inc152,982$7.44M0.02%
Sagefield Capital LP86,243$4.20M0.31%
Ieq Capital, LLC63,323$3.08M0.01%
Nordea Investment Management AB55,906$2.73M0.00%
Ilex Capital Partners (UK) LLP44,898$2.18M0.04%
Assenagon Asset Management S.A.42,371$2.06M0.00%
Jupiter Topco LLC25,873$1.26M0.00%
Dockside LLC23,624$1.15M0.27%
SEB Asset Management AB23,605$1.15M0.00%
Mitsubishi UFJ Trust & Banking Corp19,499$948.6K0.00%
Gamco Investors, Inc. Et Al15,048$732.1K0.01%
Jain Global LLC8,321$404.8K0.00%
Catalyst Funds Management Pty Ltd7,980$388.2K0.02%
Clear Street Markets LLC7,134$347.1K0.07%
Merit Financial Group, LLC6,473$314.9K0.00%
Nykredit A/S6,098$296.7K0.00%
nVerses Capital, LLC6,063$295.0K0.45%
Axxion S.A.5,966$290.2K0.02%
Sequoia Financial Advisors, LLC5,543$269.7K0.00%
CI Private Wealth, LLC5,125$249.4K0.00%
Brighton Jones LLC4,997$243.1K0.00%
Mission Wealth Management, LP4,667$227.1K0.00%
O'Shaughnessy Asset Management, LLC4,466$217.3K0.00%
Jump Financial, LLC4,462$217.1K0.00%
Ellevest, Inc.4,242$206.4K0.02%
Great Valley Advisor Group, Inc.4,242$206.4K0.00%
Global Retirement Partners, LLC1,658$80.7K0.00%
Brown, Lisle/Cummings, Inc.750$36.5K0.01%
Nikko Asset Management Americas, Inc.545$26.5K0.00%
Clearstead Advisors, LLC464$22.6K0.00%
Anchor Investment Management, LLC356$17.3K0.00%
IFG Advisory, LLC347$16.9K0.00%
Compass Financial Management LLC217$10.6K0.00%
Abound Financial, LLC100$4.87K0.00%
Anchor Bay Capital, Inc.51$2.55K0.00%
Highland Investment Advisors LLC25$1.21K0.00%
Action Point Financial Planning, LLC19$9260.00%
Wealth Enhancement Trust Services, Inc.18$8760.00%
Creative Capital Management Investments LLC12$5840.00%
Cornerstone Planning Group LLC11$5610.00%
Fulcrum Asset Management LLP10$4890.00%
Plante Moran Financial Advisors, LLC10$4870.00%
CoreCap Advisors, LLC9$4380.00%
Buck Wealth Strategies, LLC7$3410.00%
Financial Gravity Companies, Inc.3$1460.00%
Davis Capital Management3$1460.00%
LRI Investments, LLC2$970.00%
DecisionPoint Financial, LLC1$500.00%
Kilter Group LLC1$490.00%
Evolution Advisers, Inc.1$00.00%
Navigoe, LLC1$00.00%

Sold out (43)

Institutions that held California Water Service Group at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of CWT in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Cbre Clarion Securities LLC647,515$29.4M
Marshall Wace, LLP256,767$11.6M
Qube Research & Technologies Ltd186,926$8.48M
Jane Street Group, LLC123,278$5.59M
Allianz Asset Management GmbH58,862$2.67M
HRT Financial LP43,235$1.96M
Voloridge Investment Management, LLC25,216$1.14M
Campbell & CO Investment Adviser LLC21,566$977.8K
Y-Intercept (Hong Kong) Ltd20,082$910.5K
Healthcare of Ontario Pension Plan Trust Fund16,472$746.8K
Abacus Wealth Partners, LLC16,386$742.9K
Toroso Investments, LLC13,423$608.6K
Brevan Howard Capital Management LP9,597$435.1K
Connor, Clark & Lunn Investment Management Ltd.8,315$377.0K
Entropy Technologies, LP8,134$368.8K
Mirabella Financial Services LLP7,017$318.2K
Holocene Advisors, LP6,376$289.1K
Bridgewater Associates, LP5,771$261.7K
Aprio Wealth Management, LLC5,275$239.2K
LeClair Wealth Partners LLC4,871$220.8K
New Age Alpha Advisors, LLC4,298$194.9K
Advisory Services Network, LLC1,031$46.7K
Quadrant Capital Group LLC846$38.4K
Beaird Harris Wealth Management, LLC846$38.4K
Clarity Asset Management, Inc.672$30.5K
Nomura Asset Management Co Ltd450$20.4K
Vega Investment Solutions445$20.2K
MAI Capital Management437$19.8K
Simplex Trading, LLC326$14.8K
Central Trust Co304$13.8K
Los Angeles Capital Management LLC300$13.6K
Leonteq Securities AG256$11.6K
WealthCollab, LLC208$9.43K
Root Financial Partners, LLC116$5.26K
Quarry LP100$4.53K
Twin Peaks Wealth Advisors, LLC90$4.08K
Wealth Preservation Advisors, LLC32$1.45K
UMA Financial Services, Inc.27$1.23K
Northwestern Mutual Wealth Management Co18$816
Wall Street Financial Group, Inc.8$363
Vermillion Wealth Management, Inc.5$227
Raffa Wealth Management, LLC1$45
Curio Wealth, LLC1$45

Not filed for Q2 2026 yet (4)

Institutions that held California Water Service Group at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CWT in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC25,873$1.17M
CWM, LLC10,873$493.0K
Sunbelt Securities, Inc.17$771
Sofos Investments, Inc.3$136