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California Water Service Group (CWT) Institutional Ownership

California Water Service Group logo
$50.05 +0.14 (+0.28%)
As of 01:59 PM Eastern
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Institutional Ownership Changes (13F Filings) for California Water Service Group (NYSE:CWT)

Current
Institutional Ownership
Percentage
82.78%
Number of
Institutional Buyers
(last 12 months)
154
Total
Institutional Inflows
(last 12 months)
$873.18M
Number of
Institutional Sellers
(last 12 months)
119
Total
Institutional Outflows
(last 12 months)
$209.41M
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CWT Institutional Buying and Selling by Quarter

California Water Service Group Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/20/2026 Susquehanna International Group LLP15,712$764K0.0%-44.5%0.025%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC244,401$11.89M0.0%+4.1%0.395%
8/19/2026 Van ECK Associates Corp25,289$1.23M0.0%+4.9%0.041%
8/19/2026 Northstar Asset Management Inc.48,193$2.35M0.7%-19.7%0.078%
8/18/2026 Public Employees Retirement System of Ohio12,018$585K0.0%N/A0.019%
8/17/2026 Corient Private Wealth LP5,131$250K0.0%N/A0.008%
8/17/2026 Bank of America Corp DE133,752$6.51M0.0%N/A0.216%
8/15/2026 Freestone Grove Partners LP31,950$1.55M0.0%N/A0.052%
8/15/2026 Jupiter Topco LLC25,873$1.26M0.0%N/A0.042%
8/14/2026 Canada Pension Plan Investment Board6,900$336K0.0%N/A0.011%
8/14/2026 Legal & General Group Plc807,510$39.29M0.0%N/A1.306%
8/14/2026 The Manufacturers Life Insurance Company 28,929$1.41M0.0%N/A0.047%
8/14/2026 Kelly Lawrence W & Associates Inc. CA1,000$49K0.0%N/A0.002%
8/14/2026 Cullen Capital Management LLC13,060$635K0.0%N/A0.021%
8/13/2026 Meiji Yasuda Asset Management Co Ltd.123,523$6.01M0.3%N/A0.200%
8/13/2026 Magellan Asset Management Ltd61,416$2.99M0.1%N/A0.099%
8/13/2026 Clear Harbor Asset Management LLC49,211$2.39M0.1%N/A0.080%
8/12/2026 Ieq Capital LLC63,323$3.08M0.0%N/A0.102%
8/11/2026 Green Alpha Advisors LLC7,830$381K0.3%N/A0.013%
8/11/2026 Allworth Financial LP28,115$1.37M0.0%N/A0.045%
8/7/2026 Nuance Investments LLC1,096,077$53.32M9.1%N/A1.772%
8/7/2026 BlackRock Inc.10,755,498$523.26M0.0%N/A17.393%
8/7/2026 Deutsche Bank AG88,732$4.32M0.0%N/A0.143%
8/7/2026 Perigon Wealth Management LLC10,518$512K0.0%N/A0.017%
8/7/2026 Mitsubishi UFJ Asset Management Co. Ltd.670$33K0.0%N/A0.001%
8/6/2026 Global Retirement Partners LLC1,658$81K0.0%N/A0.003%
8/6/2026 Bank of New York Mellon Corp527,076$25.64M0.0%N/A0.852%
8/6/2026 State of Wyoming1,634$79K0.0%N/A0.003%
7/10/2026 Wedge Capital Management L L P NC78,417$3.82M0.1%+76.0%0.131%
7/10/2026 Canvas Wealth Advisors LLC17,079$831K0.1%-24.5%0.029%
7/8/2026 Assenagon Asset Management S.A.42,371$2.06M0.0%N/A0.071%
7/7/2026 GAMMA Investing LLC3,200$156K0.0%-21.2%0.005%
7/2/2026 Versant Capital Management Inc676$33K0.0%+228.2%0.001%
5/19/2026 Bank of America Corp DE121,899$5.53M0.0%+23.0%0.204%
5/19/2026 South Dakota Investment Council34,715$1.57M0.0%+16.0%0.058%
5/18/2026 Amundi3,470,997$157.42M0.0%+26.7%5.799%
5/18/2026 EverSource Wealth Advisors LLC1,209$55K0.0%+100.5%0.002%
5/18/2026California State Teachers Retirement System56,273$2.55M0.0%-0.8%0.094%
5/18/2026 Royal Bank of Canada11,206$508K0.0%-14.8%0.019%
5/16/2026 The Manufacturers Life Insurance Company26,383$1.20M0.0%-3.4%0.044%
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5/16/2026 Quantinno Capital Management LP14,895$675K0.0%+13.2%0.025%
5/16/2026 Lazard Asset Management LLC5,630$255K0.0%N/A0.009%
5/14/2026 Healthcare of Ontario Pension Plan Trust Fund16,472$747K0.0%-24.0%0.028%
5/14/2026 Renaissance Technologies LLC100,400$4.55M0.0%-10.3%0.168%
5/14/2026 Arrowstreet Capital Limited Partnership257,970$11.70M0.0%+416.9%0.431%
5/14/2026 Inceptionr LLC4,947$224K0.1%N/A0.008%
5/14/2026 Sei Investments Co.52,883$2.40M0.0%+129.1%0.088%
5/14/2026 State of Wyoming1,553$70K0.0%N/A0.003%
5/13/2026 Cetera Investment Advisers13,714$622K0.0%+5.9%0.023%
5/13/2026 First Trust Advisors LP1,354,165$61.40M0.0%-1.0%2.262%
5/12/2026 Magellan Asset Management Ltd61,416$2.79M0.0%+26.0%0.103%
5/8/2026 PNC Financial Services Group Inc.5,392$244K0.0%+9.1%0.009%
5/7/2026 Dimensional Fund Advisors LP1,158,359$52.52M0.0%+0.4%1.935%
5/7/2026 KBC Group NV577,247$26.17M0.1%+29.2%0.964%
5/7/2026 Arjuna Capital28,638$1.30M0.3%+2.1%0.048%
5/6/2026 Bessemer Group Inc.744$34K0.0%+67.9%0.001%
5/6/2026 Allspring Global Investments Holdings LLC19,360$881K0.0%+11.5%0.032%
5/5/2026 D.A. Davidson & CO.10,894$494K0.0%+3.9%0.018%
5/5/2026 Bank of New York Mellon Corp506,702$22.97M0.0%+0.4%0.847%
5/5/2026 Illinois Municipal Retirement Fund30,703$1.39M0.0%-9.3%0.051%
5/5/2026 Maryland State Retirement & Pension System61,780$2.80M0.1%-4.2%0.103%
5/4/2026 Principal Financial Group Inc.289,623$13.13M0.0%+2.0%0.484%
5/1/2026 Commonwealth of Pennsylvania Public School Empls Retrmt SYS105,960$4.80M0.0%-5.5%0.177%
5/1/2026 Midwest Trust Co52,833$2.40M0.0%-2.9%0.088%
5/1/2026 Fifth Third Bancorp29,884$1.36M0.0%+9,095.1%0.050%
5/1/2026 Kornitzer Capital Management Inc. KS42,500$1.93M0.0%N/A0.071%
4/29/2026 Canvas Wealth Advisors LLC22,624$1.03M0.2%-2.0%0.038%
4/28/2026 Praxis Investment Management Inc.7,671$348K0.0%+35.1%0.013%
4/27/2026 Fideuram Intesa Sanpaolo Private Banking S.P.A.51,806$2.35M0.1%-4.8%0.087%
4/24/2026 IFM Investors Pty Ltd4,268$194K0.0%N/A0.007%
4/22/2026 Pictet Asset Management Holding SA11,184$507K0.0%+11.6%0.019%
4/22/2026 Sterling Capital Management LLC1,982$90K0.0%-42.7%0.003%
4/21/2026 Louisiana State Employees Retirement System26,400$1.20M0.0%N/A0.044%
4/16/2026 SG Americas Securities LLC44,335$2.01M0.0%+11.3%0.074%
3/20/2026 Hsbc Holdings PLC13,298$574K0.0%N/A0.022%
3/17/2026 Rockefeller Capital Management L.P.1,370$59K0.0%-16.6%0.002%
2/24/2026 Ketron Financial6,900$299K0.1%N/A0.012%
2/19/2026 T. Rowe Price Investment Management Inc.3,337,205$144.60M0.1%+1.1%5.600%
2/19/2026 Invesco Ltd.954,234$41.35M0.0%+6.4%1.601%
2/18/2026 Mercer Global Advisors Inc. ADV13,092$567K0.0%-73.6%0.022%
2/18/2026 Virtue Capital Management LLC4,733$203K0.0%N/A0.008%
2/18/2026 State of Tennessee Department of Treasury12,535$560K0.0%-25.0%0.021%
2/18/2026 Mackenzie Financial Corp15,634$680K0.0%+4.2%0.026%
2/18/2026 XTX Topco Ltd36,819$1.60M0.0%N/A0.062%
2/18/2026 Zimmer Partners LP38,500$1.67M0.0%N/A0.065%
2/18/2026 Quadrature Capital Ltd8,413$365K0.0%+16.3%0.014%
2/18/2026 Millennium Management LLC90,157$3.91M0.0%-75.5%0.151%
2/18/2026 Engineers Gate Manager LP20,821$902K0.0%+43.0%0.035%
2/17/2026 Freestone Grove Partners LP18,642$808K0.0%-54.5%0.031%
2/17/2026 AQR Capital Management LLC61,139$2.65M0.0%-46.4%0.103%
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2/17/2026 Cetera Investment Advisers12,953$561K0.0%-27.2%0.022%
2/17/2026 Trexquant Investment LP135,592$5.88M0.1%+102.7%0.228%
2/17/2026 Amundi2,738,993$118.63M0.0%+20.3%4.596%
2/17/2026 Sciencast Management LP8,815$382K0.1%N/A0.015%
2/17/2026 Price T Rowe Associates Inc. MD74,380$3.22M0.0%-50.9%0.125%
2/17/2026 T. Rowe Price Investment Management Inc.721,461$31.26M0.0%-78.1%1.211%
2/17/2026 Osaic Holdings Inc.5,880$255K0.0%-14.9%0.010%
2/17/2026 Russell Investments Group Ltd.5,358$232K0.0%-14.4%0.009%
2/17/2026 Maryland State Retirement & Pension System64,497$2.80M0.1%+1.1%0.108%
2/17/2026 Crawford Investment Counsel Inc.91,989$3.99M0.1%+2.2%0.154%


CWT Institutional Ownership - Frequently Asked Questions

During the previous two years, 319 institutional investors and hedge funds held shares of California Water Service Group. The most heavily invested institutionals were BlackRock Inc. ($523.26M), Vanguard Group Inc. ($318.32M), Amundi ($157.42M), T. Rowe Price Investment Management Inc. ($144.60M), State Street Corp ($131.29M), Geode Capital Management LLC ($61.58M), and First Trust Advisors LP ($61.40M).Learn more on California Water Service Group's institutional investors.

82.78% of California Water Service Group's stock is owned by institutional investors. Learn more on CWT's institutional investor holdings.

Of the 267 institutional investors that purchased California Water Service Group's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($10.76M), Nuance Investments LLC ($1.72M), Amundi ($1.58M), Norges Bank ($1.54M), Legal & General Group Plc ($910.15K), Bank of New York Mellon Corp ($639.90K), and Nuveen LLC ($493.72K).

Institutional investors have bought a total of 18,252,392 shares in the last 24 months. This purchase volume represents approximately $873.18M in transactions.

Of the 119 institutional investors that sold California Water Service Group's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: T. Rowe Price Investment Management Inc. ($2.58M), Millennium Management LLC ($277.92K), Renaissance Technologies LLC ($200.72K), UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC ($116.51K), New Age Alpha Advisors LLC ($100.01K), Triodos Investment Management BV ($79K), and Price T Rowe Associates Inc. MD ($77.02K).

Institutional investors have sold a total of 4,789,554 shares in the last 24 months. This volume of shares sold represents approximately $209.41M in transactions.


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Institutional ownership data for NYSE:CWT is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/20/2026. New 13F filings are added each quarter as they're published.
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