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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.

13F holders, Q1 2022

Institutional positions in California Water Service Group as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
312
+8 vs. Q4 2021
Shares held
42.3M
+1.10M (+2.7%) vs. Q4 2021
Total value
$2.51B
−$451.0M (−15.2%) vs. Q4 2021
New holders
43
113 more added
Sold out
35
94 more reduced

3 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CWT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2022: 312 institutions
Q1 2021: 259 institutionsQ2 2021: 251 institutionsQ3 2021: 268 institutionsQ4 2021: 307 institutionsQ1 2022: 312 institutionsQ2 2022: 281 institutionsQ3 2022: 281 institutionsQ4 2022: 295 institutionsQ1 2023: 299 institutionsQ2 2023: 286 institutionsQ3 2023: 273 institutionsQ4 2023: 285 institutionsQ1 2024: 275 institutionsQ2 2024: 299 institutionsQ3 2024: 324 institutionsQ4 2024: 323 institutionsQ1 2025: 330 institutionsQ2 2025: 338 institutionsQ3 2025: 337 institutionsQ4 2025: 329 institutionsQ1 2026: 339 institutionsQ2 2026: 346 institutions
Value heldQ1 2022: $2.51B
Q1 2021: $2.18BQ2 2021: $2.20BQ3 2021: $2.40BQ4 2021: $2.96BQ1 2022: $2.51BQ2 2022: $2.44BQ3 2022: $2.31BQ4 2022: $2.73BQ1 2023: $2.61BQ2 2023: $2.44BQ3 2023: $2.26BQ4 2023: $2.47BQ1 2024: $2.27BQ2 2024: $2.34BQ3 2024: $2.63BQ4 2024: $2.23BQ1 2025: $2.45BQ2 2025: $2.29BQ3 2025: $2.30BQ4 2025: $2.17BQ1 2026: $2.32BQ2 2026: $2.69B
Institutions holding CWT and their total value by quarter
QuarterHoldersValue
Q2 2026346$2.69B
Q1 2026339$2.32B
Q4 2025329$2.17B
Q3 2025337$2.30B
Q2 2025338$2.29B
Q1 2025330$2.45B
Q4 2024323$2.23B
Q3 2024324$2.63B
Q2 2024299$2.34B
Q1 2024275$2.27B
Q4 2023285$2.47B
Q3 2023273$2.26B
Q2 2023286$2.44B
Q1 2023299$2.61B
Q4 2022295$2.73B
Q3 2022281$2.31B
Q2 2022281$2.44B
Q1 2022312$2.51B
Q4 2021307$2.96B
Q3 2021268$2.40B
Q2 2021251$2.20B
Q1 2021259$2.18B

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding California Water Service Group; share changes are against Q4 2021.

Institutions holding CWT in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.9,300,389$551.3M0.01%−168,469−1.8%Reduced
Vanguard Group Inc6,297,891$373.3M0.01%+55,862+0.9%Added
State Street Corp4,229,509$250.7M0.01%+234,146+5.9%Added
Price T Rowe Associates Inc2,268,213$134.5M0.01%+2,990+0.1%Added
Impax Asset Management Group plc1,796,678$106.5M0.44%−22,576−1.2%Reduced
Pictet Asset Management SA1,480,282$87.8M0.10%+59,993+4.2%Added
Invesco Ltd.1,411,583$83.7M0.02%−2,687−0.2%Reduced
Dimensional Fund Advisors LP1,240,162$73.5M0.02%+14,621+1.2%Added
Northern Trust Corp985,683$58.4M0.01%+50,908+5.4%Added
Geode Capital Management, LLC915,512$54.3M0.01%+36,033+4.1%Added
Bank of New York Mellon Corp699,275$41.5M0.01%+10,514+1.5%Added
Amundi612,591$36.3M0.02%+612,591New
Nuance Investments, LLC553,287$32.8M0.59%−149,263−21.2%Reduced
Legal & General Group Plc551,224$32.7M0.01%−14,617−2.6%Reduced
Morgan Stanley522,556$31.0M0.00%+130,684+33.3%Added
First Trust Advisors LP511,743$30.3M0.03%−25,307−4.7%Reduced
KBC Group NV476,839$28.3M0.11%−2,618−0.5%Reduced
Charles Schwab Investment Management Inc471,106$27.9M0.01%+17,933+4.0%Added
Norges Bank436,640$25.9M0.01%00.0%Unchanged
Principal Financial Group Inc419,742$24.9M0.02%−4,366−1.0%Reduced
Granite Investment Partners, LLC338,384$20.1M0.68%+50,502+17.5%Added
Personal Capital Advisors Corp320,301$19.0M0.09%+4,988+1.6%Added
Ameriprise Financial Inc230,602$13.7M0.00%−672−0.3%Reduced
Nuveen Asset Management, LLC193,428$11.3M0.00%−332−0.2%Reduced
ProShare Advisors LLC189,605$11.2M0.02%+26,219+16.0%Added
Millennium Management LLC179,036$10.6M0.01%+179,036New
Parametric Portfolio Associates LLC169,053$10.0M0.01%+10,594+6.7%Added
Rhumbline Advisers147,897$8.77M0.01%+3,415+2.4%Added
Eaton Vance Management126,008$7.47M0.01%+124,194+6,846.4%Added
Bank of America Corp124,448$7.38M0.00%−23,355−15.8%Reduced
Swiss National Bank124,400$7.37M0.00%+11,000+9.7%Added
Goldman Sachs Group Inc113,253$6.71M0.00%−112,126−49.7%Reduced
UBS Asset Management Americas Inc112,200$6.65M0.00%+26,144+30.4%Added
Deutsche Bank AG110,813$6.57M0.00%−39,554−26.3%Reduced
JPMorgan Chase & Co107,210$6.36M0.00%+33,634+45.7%Added
Alliancebernstein L.P.104,794$6.21M0.00%+492+0.5%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys103,735$6.15M0.06%+22,008+26.9%Added
Public Sector Pension Investment Board98,192$5.82M0.04%−8,960−8.4%Reduced
TD Asset Management Inc87,854$5.21M0.00%−23,508−21.1%Reduced
Wells Fargo & Company82,361$4.88M0.00%−15,917−16.2%Reduced
Great West Life Assurance Co78,621$4.85M0.01%+5,375+7.3%Added
Allspring Global Investments Holdings, LLC79,795$4.73M0.01%−556−0.7%Reduced
Skandinaviska Enskilda Banken AB (publ)77,933$4.62M0.03%−32,034−29.1%Reduced
New York State Common Retirement Fund71,213$4.22M0.00%+7,627+12.0%Added
Marshall Wace, LLP70,646$4.19M0.01%−47,521−40.2%Reduced
Renaissance Technologies LLC70,300$4.17M0.00%−33,100−32.0%Reduced
Healthcare of Ontario Pension Plan Trust Fund68,903$4.08M0.01%+68,903New
California State Teachers Retirement System67,237$3.99M0.01%−4,983−6.9%Reduced
Clear Harbor Asset Management, LLC65,664$3.89M0.45%−200−0.3%Reduced
Northstar Asset Management Inc63,055$3.74M1.02%−4,036−6.0%Reduced
Raymond James & Associates59,787$3.54M0.00%−19,091−24.2%Reduced
New York State Teachers Retirement System57,842$3.43M0.01%00.0%Unchanged
UBS Group AG57,618$3.42M0.00%+4,981+9.5%Added
Financial Counselors Inc56,666$3.36M0.07%−90−0.2%Reduced
Comerica Bank59,369$3.33M0.02%+100.0%Added
Prudential Financial Inc54,970$3.26M0.00%−875−1.6%Reduced
Citigroup Inc54,021$3.20M0.00%+12,226+29.3%Added
Ergoteles LLC53,700$3.18M0.12%+53,700New
Storebrand Asset Management AS52,974$3.14M0.01%+5,988+12.7%Added
Credit Suisse AG52,743$3.13M0.00%−128,126−70.8%Reduced
First National Corp52,640$3.12M0.66%+1,069+2.1%Added
Envestnet Asset Management Inc51,027$3.02M0.00%+1,252+2.5%Added
Raymond James Financial Services Advisors, Inc.50,998$3.02M0.01%+7,275+16.6%Added
NFJ Investment Group, LLC49,328$2.92M0.06%−51−0.1%Reduced
Arjuna Capital49,191$2.92M1.22%+49,191New
AQR Capital Management LLC48,612$2.88M0.01%+20,365+72.1%Added
Yousif Capital Management, LLC48,078$2.85M0.03%+81+0.2%Added
Mercer Global Advisors Inc46,738$2.77M0.02%−2,074−4.2%Reduced
CoreCommodity Management, LLC46,734$2.77M0.61%+33,466+252.2%Added
BNP Paribas Arbitrage, SA45,972$2.73M0.01%−26,705−36.7%Reduced
Aptus Capital Advisors, LLC45,848$2.72M0.08%+2,925+6.8%Added
Macquarie Group Ltd44,219$2.62M0.00%+20,526+86.6%Added
Magellan Asset Management Ltd44,166$2.62M0.01%−5,091−10.3%Reduced
Gabelli Funds LLC43,600$2.58M0.02%00.0%Unchanged
Barclays PLC43,374$2.57M0.00%−27,517−38.8%Reduced
Nia Impact Advisors, LLC43,326$2.57M1.25%+3,358+8.4%Added
Thrivent Financial for Lutherans42,827$2.54M0.00%+140.0%Added
State of New Jersey Common Pension Fund D41,851$2.48M0.01%00.0%Unchanged
Bridgewater Associates, LP38,692$2.29M0.01%+23,361+152.4%Added
Bank of Montreal37,343$2.26M0.00%−114−0.3%Reduced
Martingale Asset Management L P37,470$2.22M0.03%+1,151+3.2%Added
Texas Permanent School Fund37,297$2.21M0.03%−798−2.1%Reduced
State of Alaska, Department of Revenue36,698$2.17M0.02%−550−1.5%Reduced
Private Advisor Group, LLC36,643$2.17M0.02%+10,892+42.3%Added
Assenagon Asset Management S.A.34,417$2.04M0.01%−22,849−39.9%Reduced
Balyasny Asset Management LLC32,218$1.91M0.01%+19,978+163.2%Added
American International Group, Inc.30,127$1.79M0.01%−1,848−5.8%Reduced
PDT Partners, LLC29,966$1.78M0.15%00.0%Unchanged
Cubist Systematic Strategies, LLC29,730$1.76M0.01%+7,490+33.7%Added
MetLife Investment Management27,730$1.64M0.01%+10,156+57.8%Added
ExodusPoint Capital Management, LP26,965$1.60M0.02%+18,546+220.3%Added
Bridge City Capital, LLC25,267$1.50M0.70%−118−0.5%Reduced
Louisiana State Employees Retirement System25,600$1.44M0.03%+100+0.4%Added
Royal Bank of Canada24,018$1.43M0.00%+5,207+27.7%Added
Teton Advisors, Inc.23,800$1.41M0.24%00.0%Unchanged
Amalgamated Bank23,708$1.41M0.01%−1,013−4.1%Reduced
Amalgamated Financial Corp.23,708$1.41M0.01%+23,708New
Wulff, Hansen & Co.22,605$1.34M1.28%−260−1.1%Reduced
Exchange Traded Concepts, LLC22,116$1.31M0.03%+2,504+12.8%Added
Old Mission Capital LLC22,122$1.31M0.04%+22,122New