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Disclosery

CWT CALIFORNIA WTR SVC GROUP

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COM (common), issuer CIK 1035201

328 managers (329 13F filers) reported a position in CWT shares at 2025-12-31, 50,105,941 shares in all. 27 filers opened a position and 39 filers sold out during the quarter.

Managers
328
13F filers
329
New
27
Added
97
Reduced
130
Sold out
39
Shares held by filers
50,105,941

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.10,681,351$463M0.01%+233,11713F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding7,346,457$318M+28,403Timeline
T. Rowe Price Investment Management, In…3,337,205$145M0.09%+36,29613F-HR/ATimeline
STATE STREET CORPin group STATE STREET CORP3,029,950$131M<0.01%-71,05113F-HRTimelineGroup
Amundiin group Amundi2,738,993$119M0.03%+462,39413F-HRTimelineGroup
NUANCE INVESTMENTS, LLC1,825,390$79.1M8.71%+60,93113F-HRTimeline
FMR LLCin group FMR LLC1,796,148$77.8M<0.01%+393,01613F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,420,950$61.6M<0.01%+4,61313F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP1,367,978$59.3M0.04%-36,34213F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,153,931$50M0.01%+4,91313F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.954,234$41.3M<0.01%+57,17013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY767,034$33.2M<0.01%-35,09113F-HR/ATimelineGroup
Legal & General Group Plcin group Legal & General Group Plc763,847$33.1M0.01%+3,58613F-HRTimelineGroup
CBRE INVESTMENT MANAGEMENT LISTED REAL …722,345$31.3M0.46%-7,91813F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co710,668$30.8M<0.01%-7,88713F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP611,552$26.5M<0.01%-43,70213F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp504,836$21.9M<0.01%-63,96713F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding448,922$19.5M-32,967Timeline
KBC Group NVin group KBC Group NV446,627$19.4M0.04%013F-HRTimelineGroup
Nuveen, LLCin group TIAA440,074$19.1M<0.01%+48,77213F-HRTimelineGroup
Triodos Investment Management BV414,000$18M1.3%-79,00013F-HRTimeline
Beck Bode, LLC388,418$16.8M2.8%-13,84313F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC315,465$13.7M0.01%+47,36513F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding284,023$12.3M-3,840Timeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC281,888$12.2M<0.01%-16,39413F-HRTimelineGroup
ExodusPoint Capital Management, LP238,840$10.3M0.12%new13F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC226,290$9.81M<0.01%-33,70213F-HR/ATimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO225,886$9.79M<0.01%-51,35913F-HRTimelineGroup
Public Sector Pension Investment Board206,197$8.93M0.03%-26,23513F-HRTimeline
Aptus Capital Advisors, LLC179,202$7.76M0.07%+71513F-HRTimeline
RHUMBLINE ADVISERS173,665$7.52M0.01%-16,03013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC172,730$7.48M0.01%+158,84313F-HRTimelineGroup
ProShare Advisors LLC150,627$6.53M0.01%+98513F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC147,110$6.37M<0.01%-9,33413F-HRTimelineGroup
Trexquant Investment LP135,592$5.88M0.05%+68,68313F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC128,016$5.55M<0.01%-99,80613F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC122,521$5.31M<0.01%+12,63613F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.122,020$5.29M0.01%+21,49513F-HRTimelineGroup
Swiss National Bank117,500$5.09M<0.01%+2,10013F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…112,152$4.86M0.02%-42113F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC111,900$4.85M0.01%-189,21613F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/99,074$4.29M<0.01%-50,43213F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN98,602$4.27M<0.01%+19,12913F-HRTimelineGroup
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co97,181$4.21M0.01%-36,44313F-HRTimelineGroup
CRAWFORD INVESTMENT COUNSEL INC91,989$3.99M0.07%+2,00013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC90,157$3.91M<0.01%-277,91713F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC87,097$3.77M<0.01%-8,65013F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\86,990$3.77M<0.01%+3,01013F-HRTimelineGroup
Meiji Yasuda Asset Management Co Ltd.in group Meiji Yasuda Life Insurance Co84,799$3.67M0.18%-7,27213F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.83,254$3.61M<0.01%-57,92713F-HRTimeline
NORTHSTAR ASSET MANAGEMENT INC82,861$3.59M0.93%-23,19213F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P81,447$3.53M0.09%-1,15013F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC80,919$3.51M0.01%-3,28913F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/74,380$3.22M<0.01%-77,02113F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC69,833$3.04M<0.01%-13,50713F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.66,191$2.87M<0.01%+29,83313F-HRTimelineGroup
Maryland State Retirement & Pension Sys…64,497$2.79M0.06%+70213F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…63,002$2.73M0.01%+40013F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC61,139$2.65M<0.01%-53,01513F-HRTimelineGroup
TD Asset Management Inc58,038$2.51M<0.01%+6,15013F-HRTimeline
STOREBRAND ASSET MANAGEMENT AS57,549$2.49M0.01%013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…56,718$2.46M<0.01%-4313F-HRTimeline
Midwest Trust Co54,428$2.36M0.03%-78313F-HRTimeline
FIDEURAM - INTESA SANPAOLO PRIVATE BANK…54,407$2.36M0.08%13F-HR/ATimeline
Allianz Asset Management GmbHin group Allianz SE53,544$2.32M<0.01%+3,11613F-HRTimelineGroup
Rodgers Brothers Inc.52,175$2.26M0.27%-5,60013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC52,051$2.26M<0.01%+4,13913F-HRTimelineGroup
EXCHANGE TRADED CONCEPTS, LLC51,375$2.23M0.02%-61813F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources50,393$2.18M<0.01%+3,96313F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …49,909$2.16M<0.01%-7,26413F-HRTimelineGroup
Clear Harbor Asset Management, LLC49,660$2.15M0.15%-1,32513F-HRTimeline
Magellan Asset Management Ltdin group Magellan Asset Management Ltd48,734$2.11M0.03%+2,70013F-HRTimelineGroup
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…47,930$2.08M0.01%+2,45113F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC43,384$1.88M<0.01%-67,94113F-HRTimelineGroup
GABELLI FUNDS LLCin group GAMCO Investors (Gabelli)43,200$1.87M0.01%013F-HRTimelineGroup
AlphaQuest LLC43,190$1.87M0.1%+11,23313F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…43,130$1.87M<0.01%+1,33513F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…42,607$1.85M<0.01%-2,03713F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.40,192$1.74M<0.01%new13F-HRTimelineGroup
SG Americas Securities, LLC39,820$1.73M<0.01%-5,05113F-HRTimeline
Bridge City Capital, LLC38,576$1.67M0.49%-6,30213F-HRTimeline
Zimmer Partners, LP38,500$1.67M0.04%new13F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…37,324$1.62M<0.01%+1,91413F-HRTimeline
NIA IMPACT ADVISORS, LLC37,216$1.61M0.54%-39513F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd36,819$1.6M0.04%new13F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …35,631$1.55M<0.01%+23,10013F-HRTimelineGroup
CenterBook Partners LP34,261$1.48M0.07%+13,67813F-HRTimeline
HRT FINANCIAL LP34,201$1.48M<0.01%+13,21013F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD33,894$1.47M<0.01%-2,26813F-HRTimeline
Illinois Municipal Retirement Fund33,835$1.47M0.02%+2,32913F-HRTimeline
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD33,632$1.46M0.01%-14513F-HRTimelineGroup
Vontobel Holding Ltd.in group Vontobel Holding Ltd.33,616$1.46M<0.01%+5,87313F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…33,337$1.44M0.01%-1,08513F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD32,700$1.42M<0.01%+6,90013F-HRTimeline
State of Alaska, Department of Revenue32,163$1.39M0.01%+37613F-HRTimeline
CoreCommodity Management, LLC31,684$1.37M0.29%+6,10413F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS31,601$1.37M<0.01%-22,03413F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND30,544$1.32M<0.01%013F-HRTimeline
South Dakota Investment Council29,915$1.3M0.02%+14,00013F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC28,915$1.25M0.03%-28,65913F-HRTimeline
Arjuna Capital28,052$1.22M0.3%-71913F-HRTimeline
Maven Securities LTDin group Maven Securities LTD27,611$1.2M0.15%+49913F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …27,307$1.18M<0.01%-1,71113F-HRTimelineGroup
Louisiana State Employees Retirement Sy…27,300$1.18M0.02%-10013F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP27,119$1.18M0.05%-70,87713F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management26,758$1.16M<0.01%+13313F-HRTimelineGroup
Focus Partners Wealthin group Focus Partners Wealth26,362$1.14M<0.01%-46413F-HRTimelineGroup
Allworth Financial LP25,938$1.12M<0.01%+13,32613F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson25,873$1.12M<0.01%013F-HRTimelineGroup
HighTower Advisors, LLC25,300$1.1M<0.01%-1,07413F-HRTimeline
CAPITAL FUND MANAGEMENT S.A.24,277$1.05M0.01%+9,71313F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC23,894$1.04M0.01%013F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC23,704$1.03M<0.01%+12,50713F-HRTimelineGroup
IQ EQ FUND MANAGEMENT (IRELAND) Ltd23,290$1.01M0.07%-22,69413F-HRTimeline
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP23,105$1M<0.01%+1,40513F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO23,086$1M<0.01%+15,33913F-HRTimelineGroup
Canvas Wealth Advisors, LLC23,084$1M0.17%+2,43113F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP23,076$1000K<0.01%+2,70013F-HRTimelineGroup
Handelsbanken Fonder AB22,716$984K<0.01%+1,80113F-HRTimeline
NORGES BANK22,114$958K<0.01%new13F-HRTimeline
LPL Financial LLC21,979$952K<0.01%+1,80413F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/21,739$942K<0.01%-3,40013F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…21,687$940K<0.01%-11,11313F-HRTimeline
Engineers Gate Manager LP20,821$902K0.01%+6,26513F-HRTimeline
Teton Advisors, LLC20,060$869K0.6%013F-HRTimeline
Y-Intercept (Hong Kong) Ltd19,956$865K0.02%new13F-HRTimeline
WULFF, HANSEN & CO.19,625$850K0.71%-1,60013F-HRTimeline
ALPS ADVISORS INCin group ALPS ADVISORS INC18,909$819K<0.01%-1,26413F-HRTimelineGroup
Freestone Grove Partners LP18,642$808K0.01%-22,35313F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC17,737$769K<0.01%-2,11313F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …17,356$752K<0.01%+1,51713F-HRTimelineGroup
AMALGAMATED BANK17,319$750K0.01%+5913F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM16,911$733K<0.01%-71613F-HRTimeline
Police & Firemen's Retirement System of…16,681$723K0.01%+13313F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC16,115$720K0.01%-2,29513F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…16,459$713K<0.01%013F-HRTimeline
COMERICA BANK16,234$703K<0.01%-2,81313F-HRTimeline
MACKENZIE FINANCIAL CORP15,634$680K<0.01%+63013F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…14,769$640K<0.01%-1,78213F-HRTimeline
KLP KAPITALFORVALTNING AS14,200$615K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC13,978$606K<0.01%-31413F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC13,729$595K<0.01%+56813F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND13,614$590K0.01%+20013F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC13,298$574K<0.01%new13F-HR/ATimelineGroup
Campbell & CO Investment Adviser LLC13,237$574K0.03%new13F-HRTimeline
Quantinno Capital Management LP13,155$570K<0.01%-5,02113F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA13,146$570K<0.01%-40,69513F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC13,114$568K<0.01%-10213F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV13,092$567K<0.01%-36,49613F-HRTimeline
Holocene Advisors, LP13,053$566K<0.01%+4,04713F-HRTimeline
FARMERS & MERCHANTS TRUST Co OF LONG BE…13,000$563K0.13%-50013F-HRTimeline
Creative Planningin group Creative Planning12,962$562K<0.01%-4,37313F-HRTimelineGroup
Cetera Investment Advisers12,953$561K<0.01%-4,84013F-HRTimeline
State of Tennessee, Department of Treas…12,535$560K<0.01%-4,17713F-HRTimeline
Versor Investments LP12,606$546K0.09%new13F-HRTimeline
Abacus Wealth Partners, LLC12,519$542K0.05%new13F-HRTimeline
Atria Investments, Inc12,098$524K0.01%-1,15313F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…11,873$514K<0.01%-1313F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP11,797$511K<0.01%-52313F-HRTimelineGroup
Federation des caisses Desjardins du Qu…11,190$485K<0.01%+2,18213F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.11,015$477K<0.01%+9113F-HRTimelineGroup
Clean Yield Group10,935$474K0.13%-30013F-HRTimeline
D.A. DAVIDSON & CO.10,483$454K<0.01%-6413F-HRTimeline
Ethic Inc.10,391$450K0.01%-1,12913F-HRTimeline
Resona Asset Management Co.,Ltd.in group Resona Asset Management Co.,L…10,359$449K<0.01%-8813F-HRTimelineGroup
Perigon Wealth Management, LLC10,206$442K0.01%new13F-HRTimeline
Qube Research & Technologies Ltd10,091$437K<0.01%new13F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…10,019$434K<0.01%-2,12913F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…9,950$431K<0.01%-2,48213F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC9,503$412K<0.01%-1,27913F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS9,379$406K<0.01%-80913F-HRTimeline
BANQUE PICTET & CIE SA9,152$397K<0.01%-2,15213F-HRTimeline
Private Advisor Group, LLC9,011$390K<0.01%-6,92213F-HRTimeline
Sciencast Management LP8,815$382K0.05%new13F-HRTimeline
Sovereign Financial Group, Inc.8,800$381K0.07%-5213F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd8,413$365K<0.01%+1,18213F-HRTimelineGroup
Entropy Technologies, LP8,253$358K0.02%+1,98413F-HRTimeline
Green Alpha Advisors, LLC8,153$353K0.32%+70013F-HRTimeline
MQS Management LLC7,764$336K0.2%+1,74313F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…7,737$335K<0.01%013F-HRTimeline
BLACKHILL CAPITAL INC7,600$329K0.02%013F-HRTimeline
Sound Income Strategies, LLC7,210$329K0.02%013F-HRTimeline
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA7,590$329K<0.01%13F-HRTimelineGroup
Baird Financial Group, Inc.in group Baird Financial Group, Inc.7,423$322K<0.01%+1,30413F-HRTimelineGroup
Cullen Capital Management, LLC7,125$309K<0.01%-5,36213F-HRTimeline
Wealth Architects, LLC7,061$306K0.03%-17413F-HRTimeline
STRS OHIO6,900$299K<0.01%013F-HRTimeline
Ketron Financial6,900$299K0.1%13F-HRTimeline
DZ BANK AG Deutsche Zentral Genossensch…in group DZ BANK AG Deutsche Zentral G…6,830$296K<0.01%013F-HRTimelineGroup
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…6,811$295K<0.01%+13713F-HRTimelineGroup
PharVision Advisers, LLC6,756$293K0.15%new13F-HRTimeline
Maple Capital Management, Inc.6,667$289K0.02%013F-HRTimeline
PFG Investments, LLC6,632$287K0.01%+6313F-HRTimeline
HUTCHINSON CAPITAL MANAGEMENT/CA6,612$286K0.05%013F-HRTimeline
SPIRIT OF AMERICA MANAGEMENT CORP/NY6,500$282K0.06%013F-HRTimeline
ELCO Management Co., LLC6,463$280K0.18%-1,48013F-HRTimeline
ALGERT GLOBAL LLC6,257$271K<0.01%013F-HR/ATimeline
TRUE Private Wealth Advisors6,200$269K0.03%-1,00013F-HRTimeline
MITCHELL MCLEOD PUGH & WILLIAMS INC6,000$267K0.04%013F-HRTimeline
Legato Capital Management LLC6,103$264K0.02%-5,74513F-HRTimeline