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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, Q2 2025

Institutional positions in California Water Service Group as of Jun 30, 2025. 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
338
+11 vs. Q1 2025
Shares held
50.4M
−148.8K (−0.3%) vs. Q1 2025
Total value
$2.29B
−$155.9M (−6.4%) vs. Q1 2025
New holders
42
127 more added
Sold out
31
115 more reduced

3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 holdersQ2 2025: 338 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 heldQ2 2025: $2.29B
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, Q2 2025

Shares, value and share of portfolio for each institution holding California Water Service Group; share changes are against Q1 2025.

Institutions holding CWT in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd4$00.00%00.0%Unchanged
Quest Partners LLC1$450.00%−4−80.0%Reduced
Rialto Wealth Management, LLC1$460.00%+1New
Bay Harbor Wealth Management, LLC2$900.00%+1+100.0%Added
Private Wealth Asset Management, LLC3$1360.00%00.0%Unchanged
HFM Investment Advisors, LLC3$1360.00%+2+200.0%Added
Financial Gravity Companies, Inc.3$1360.00%+3New
SJS Investment Consulting Inc.4$1820.00%−3−42.9%Reduced
Abound Wealth Management4$1820.00%00.0%Unchanged
Cornerstone Planning Group LLC6$2780.00%+6New
DiNuzzo Private Wealth, Inc.7$3190.00%−1−12.5%Reduced
NewSquare Capital LLC9$4090.00%−13−59.1%Reduced
Ameritas Advisory Services, LLC11$5000.00%+11New
JFS Wealth Advisors, LLC13$5920.00%−15−53.6%Reduced
Farther Finance Advisors, LLC16$7280.00%+3+23.1%Added
Annis Gardner Whiting Capital Advisors, LLC17$7740.00%+17New
Ronald Blue Trust, Inc.22$1.00K0.00%−217−90.8%Reduced
Fortitude Family Office, LLC22$1.00K0.00%+22New
Bell Investment Advisors, Inc23$1.05K0.00%−11−32.4%Reduced
Atlantic Trust, LLC30$1.36K0.00%+30New
Boreal Capital Management LLC34$1.55K0.00%+34New
Graney & King, LLC36$1.64K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc40$1.82K0.00%00.0%Unchanged
Sierra Ocean, LLC41$1.86K0.00%+21+105.0%Added
Bessemer Group Inc34$2.00K0.00%−16−32.0%Reduced
Assetmark, Inc44$2.00K0.00%+38+633.3%Added
Parkside Financial Bank & Trust46$2.09K0.00%+1+2.2%Added
St Germain D J Co Inc47$2.14K0.00%00.0%Unchanged
Smartleaf Asset Management LLC53$2.41K0.00%−81−60.4%Reduced
Essential Partners LLC60$2.73K0.00%+60New
TD Waterhouse Canada Inc.60$2.79K0.00%00.0%Unchanged
Private Wealth Management Group, LLC65$2.96K0.00%00.0%Unchanged
Huntington National Bank71$3.23K0.00%+31+77.5%Added
CIBC Private Wealth Group, LLC73$3.33K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.85$3.87K0.00%00.0%Unchanged
MCF Advisors LLC100$4.55K0.00%00.0%Unchanged
SBI Securities Co., Ltd.118$5.37K0.00%+34+40.5%Added
Bare Financial Services, Inc135$6.14K0.00%+123+1,025.0%Added
BFSG, LLC136$6.19K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.142$6.46K0.00%00.0%Unchanged
Hemington Wealth Management174$7.00K0.00%+2+1.2%Added
Principal Securities, Inc.158$7.19K0.00%+43+37.4%Added
Twin Peaks Wealth Advisors, LLC160$7.48K0.00%+160New
Leonteq Securities AG172$7.82K0.00%+62+56.4%Added
AdvisorNet Financial, Inc202$9.19K0.00%00.0%Unchanged
Hantz Financial Services, Inc.225$10.0K0.00%+126+127.3%Added
Rise Advisors, LLC236$10.7K0.00%+2+0.9%Added
Skopos Labs, Inc.240$10.9K0.00%+118+96.7%Added
Harbor Capital Advisors, Inc.236$11.0K0.00%+106+81.5%Added
Fifth Third Bancorp245$11.1K0.00%−57−18.9%Reduced
Umb Bank N A249$11.3K0.00%+9+3.8%Added
Costello Asset Management, INC270$12.3K0.00%+1+0.4%Added
MAI Capital Management277$12.6K0.00%+77+38.5%Added
Central Trust Co304$13.8K0.00%00.0%Unchanged
Simplex Trading, LLC318$14.0K0.00%+240+307.7%Added
Northwestern Mutual Wealth Management Co313$14.3K0.00%−148−32.1%Reduced
Capital Advisors, Ltd. LLC362$16.0K0.00%00.0%Unchanged
True Wealth Design, LLC381$17.3K0.01%+197+107.1%Added
Massmutual Trust Co FSB397$18.1K0.00%+46+13.1%Added
Parvin Asset Management, LLC400$18.2K0.02%00.0%Unchanged
Trust Co of Toledo NA400$18.2K0.00%+400New
HM Payson & Co420$19.1K0.00%00.0%Unchanged
Clearstead Advisors, LLC433$19.7K0.00%+433New
Vega Investment Solutions445$20.2K0.00%−368−45.3%Reduced
Nomura Asset Management Co Ltd450$20.5K0.00%00.0%Unchanged
Parallel Advisors, LLC451$20.5K0.00%−2,097−82.3%Reduced
Banque Cantonale Vaudoise453$21.0K0.00%−258−36.3%Reduced
IFP Advisors, Inc435$22.2K0.00%+82+23.2%Added
Tower View Investment Management & Research LLC527$24.0K0.01%+3+0.6%Added
Clarity Asset Management, Inc.597$27.2K0.02%−75−11.2%Reduced
Danske Bank A/S600$27.3K0.00%00.0%Unchanged
Harbour Investments, Inc.600$27.3K0.00%00.0%Unchanged
Towarzystwo Funduszy Inwestycyjnych Pzu SA630$28.7K0.01%+630New
Pinnacle Bancorp, Inc.670$30.5K0.01%00.0%Unchanged
Versant Capital Management, Inc686$31.2K0.00%+5+0.7%Added
EverSource Wealth Advisors, LLC697$31.7K0.00%+365+109.9%Added
NBT Bank N A700$31.8K0.00%00.0%Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.789$36.0K0.00%+789New
Larson Financial Group LLC796$36.2K0.00%+365+84.7%Added
Whittier Trust Co800$36.4K0.00%+800New
Beaird Harris Wealth Management, LLC846$38.5K0.00%00.0%Unchanged
Caldwell Sutter Capital, Inc.855$38.9K0.02%00.0%Unchanged
Kelly Lawrence W & Associates Inc1,000$45.5K0.01%00.0%Unchanged
Bokf, NA1,034$47.0K0.00%−88−7.8%Reduced
Jones Financial Companies LLLP1,099$50.0K0.00%+390+55.0%Added
Parkworth Wealth Management, Inc.1,119$50.9K0.04%+5+0.4%Added
State of Wyoming1,218$55.4K0.01%+13+1.1%Added
Whittier Trust Co of Nevada Inc1,243$56.5K0.00%00.0%Unchanged
Shell Asset Management Co1,246$57.0K0.00%−142−10.2%Reduced
Signaturefd, LLC1,397$63.5K0.00%+790+130.1%Added
Broadwater Capital Management LLC63,672$63.7K0.05%+62,272+4,448.0%Added
GAMMA Investing LLC1,514$68.9K0.00%+658+76.9%Added
Sterling Capital Management LLC1,615$73.5K0.00%+842+108.9%Added
Sittner & Nelson, LLC1,620$73.7K0.03%00.0%Unchanged
Global Retirement Partners, LLC1,658$75.4K0.00%+1,658New
Jackson, Grant Investment Advisers, Inc.1,661$75.5K0.03%00.0%Unchanged
Russell Investments Group, Ltd.1,988$90.4K0.00%−1,019−33.9%Reduced
GHP Investment Advisors, Inc.2,013$91.6K0.00%00.0%Unchanged
Millstone Evans Group, LLC2,250$102.3K0.07%00.0%Unchanged
Rothschild Investment LLC2,749$125.0K0.01%+55+2.0%Added