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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 2021

Institutional positions in California Water Service Group as of Mar 31, 2021. 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
259
No complete 13F data for Q4 2020
Shares held
38.6M
No complete 13F data for Q4 2020
Total value
$2.18B
No complete 13F data for Q4 2020

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 2021: 259 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 2021: $2.18B
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 2021

Shares, value and share of portfolio for each institution holding California Water Service Group.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding CWT in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.8,708,941$490.7M0.01%––
Vanguard Group Inc5,892,909$332.0M0.01%––
State Street Corp3,518,484$198.2M0.01%––
Price T Rowe Associates Inc2,285,444$128.8M0.01%––
Impax Asset Management Group plc1,651,348$93.0M0.48%––
Pictet Asset Management Ltd1,383,385$77.9M0.09%––
Dimensional Fund Advisors LP1,333,967$75.2M0.02%––
Invesco Ltd.1,129,174$63.6M0.02%––
Nuance Investments, LLC925,905$52.2M0.97%––
Northern Trust Corp849,844$47.9M0.01%––
Geode Capital Management, LLC820,496$46.2M0.01%––
Bank of New York Mellon Corp757,109$42.7M0.01%––
Legal & General Group Plc492,966$27.8M0.01%––
Norges Bank489,881$27.6M0.01%––
KBC Group NV473,036$26.7M0.11%––
Charles Schwab Investment Management Inc408,348$23.0M0.01%––
Principal Financial Group Inc377,783$21.3M0.01%––
First Trust Advisors LP319,694$18.0M0.02%––
Morgan Stanley315,335$17.8M0.00%––
Ameriprise Financial Inc307,184$17.1M0.01%––
Personal Capital Advisors Corp290,573$16.4M0.09%––
Segall Bryant & Hamill, LLC290,562$16.4M0.16%––
Granite Investment Partners, LLC282,700$15.9M0.53%––
ProShare Advisors LLC243,965$13.7M0.04%––
JPMorgan Chase & Co201,253$11.3M0.00%––
Nuveen Asset Management, LLC198,306$9.81M0.00%––
Goldman Sachs Group Inc167,240$9.42M0.00%––
Bank of America Corp166,339$9.37M0.00%––
Wells Fargo & Company165,556$9.33M0.00%––
Rhumbline Advisers143,019$8.06M0.01%––
Parametric Portfolio Associates LLC131,998$7.44M0.00%––
Deutsche Bank AG122,762$6.92M0.00%––
California Public Employees Retirement System115,926$6.53M0.00%––
Swiss National Bank113,900$6.42M0.00%––
Public Sector Pension Investment Board102,762$5.79M0.04%––
Alliancebernstein L.P.97,167$5.47M0.00%––
Raymond James & Associates90,431$5.09M0.01%––
Storebrand Asset Management AS85,985$4.84M0.03%––
TD Asset Management Inc80,090$4.51M0.01%––
UBS Asset Management Americas Inc77,378$4.36M0.00%––
California State Teachers Retirement System74,532$4.20M0.01%––
Great West Life Assurance Co73,934$4.15M0.01%––
Comerica Bank64,769$3.96M0.02%––
Clear Harbor Asset Management, LLC70,346$3.96M0.52%––
New York State Common Retirement Fund69,702$3.93M0.00%––
Barclays PLC63,304$3.57M0.00%––
Northstar Asset Management Inc59,237$3.34M1.05%––
Financial Counselors Inc58,591$3.30M0.08%––
Prudential Financial Inc58,210$3.28M0.00%––
New York State Teachers Retirement System57,442$3.24M0.01%––
Commonwealth of Pennsylvania Public School Empls Retrmt Sys56,999$3.21M0.04%––
UBS Group AG55,606$3.13M0.00%––
State of New Jersey Common Pension Fund D50,780$2.86M0.01%––
Envestnet Asset Management Inc49,132$2.77M0.00%––
Ensign Peak Advisors, Inc47,236$2.66M0.01%––
Credit Suisse AG46,534$2.62M0.00%––
First National Corp46,397$2.61M0.65%––
Mercer Global Advisors Inc45,073$2.54M0.02%––
Gabelli Funds LLC44,400$2.50M0.02%––
Redpoint Investment Management Pty Ltd44,272$2.49M0.21%––
Mackay Shields LLC42,316$2.38M0.02%––
BNP Paribas Arbitrage, SA42,281$2.38M0.01%––
Thrivent Financial for Lutherans41,359$2.33M0.01%––
AMP Capital Investors Ltd41,299$2.33M0.01%––
Millennium Management LLC40,966$2.31M0.00%––
Raymond James Financial Services Advisors, Inc.39,747$2.24M0.01%––
Nia Impact Advisors, LLC38,691$2.18M1.18%––
Texas Permanent School Fund37,615$2.12M0.03%––
Old Mission Capital LLC37,349$2.10M0.12%––
State of Tennessee, Treasury Department35,843$2.02M0.01%––
Susquehanna Fundamental Investments, LLC35,221$1.98M0.03%––
State of Alaska, Department of Revenue34,083$1.92M0.02%––
Bank of Montreal33,184$1.90M0.00%––
American International Group, Inc.32,991$1.86M0.01%––
Magellan Asset Management Ltd30,760$1.73M0.00%––
Ergoteles LLC30,474$1.72M0.05%––
PDT Partners, LLC29,967$1.69M0.12%––
NFJ Investment Group, LLC29,242$1.65M0.03%––
Citadel Advisors LLC28,889$1.63M0.00%––
Manufacturers Life Insurance Company, The27,479$1.55M0.00%––
Private Advisor Group, LLC25,768$1.45M0.01%––
Bridge City Capital, LLC25,623$1.44M0.48%––
STRS Ohio25,100$1.41M0.01%––
Teton Advisors, Inc.24,300$1.37M0.19%––
Louisiana State Employees Retirement System22,900$1.29M0.03%––
AXA S.A.22,200$1.25M0.00%––
State Board of Administration of Florida Retirement System21,941$1.24M0.00%––
Voya Investment Management LLC21,824$1.23M0.00%––
Manchester Capital Management LLC21,750$1.23M0.18%––
Hoylecohen, LLC21,595$1.22M0.12%––
Independent Advisor Alliance21,590$1.22M0.07%––
Aptus Capital Advisors, LLC21,535$1.21M0.06%––
Oregon Public Employees Retirement Fund20,405$1.15M0.01%––
MetLife Investment Management18,959$1.07M0.01%––
Federated Hermes, Inc.18,644$1.05M0.00%––
Nisa Investment Advisors, LLC17,650$994.0K0.01%––
Krane Funds Advisors LLC16,895$952.0K0.04%––
Allianz Asset Management GmbH15,953$899.0K0.00%––
Farmers & Merchants Trust Co of Long Beach15,718$886.0K0.30%––
Martingale Asset Management L P14,613$824.0K0.01%––