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California Water Service Group (CWT) Institutional Ownership

California Water Service Group logo
$45.80 +0.14 (+0.31%)
Closing price 03:59 PM Eastern
Extended Trading
$45.91 +0.11 (+0.24%)
As of 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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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)
158
Total
Institutional Inflows
(last 12 months)
$875.18M
Number of
Institutional Sellers
(last 12 months)
120
Total
Institutional Outflows
(last 12 months)
$210.38M
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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
9/9/2026Sequoia Financial Advisors LLC5,543$270K0.0%N/A0.009%
9/9/2026Integrated Wealth Concepts LLC6,123$298K0.0%+8.0%0.010%
9/9/2026IFP Advisors Inc1,213$59K0.0%+159.2%0.002%
9/9/2026Squarepoint Ops LLC8,527$415K0.0%-82.6%0.014%
9/9/2026Baird Financial Group Inc.6,497$316K0.0%-17.9%0.011%
9/8/2026Allworth Financial LP28,115$1.37M0.0%+7.0%0.045%
9/8/2026Nykredit A S6,098$297K0.0%N/A0.010%
9/2/2026Brown Lisle Cummings Inc.750$36K0.0%N/A0.001%
8/27/2026Corient Private Wealth LP5,125$249K0.0%N/A0.008%
8/26/2026Amundi3,486,859$169.74M0.0%+0.5%5.639%
8/26/2026HighTower Advisors LLC26,233$1.28M0.0%-5.8%0.042%
8/21/2026Nykredit A S6,098$297K0.0%N/A0.010%
8/20/2026Susquehanna International Group LLP15,712$764K0.0%-44.5%0.025%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC244,401$11.89M0.0%+4.1%0.395%
8/19/2026Van ECK Associates Corp25,289$1.23M0.0%+4.9%0.041%
8/19/2026Northstar Asset Management Inc.48,193$2.35M0.7%-19.7%0.078%
8/18/2026Public Employees Retirement System of Ohio12,018$585K0.0%N/A0.019%
8/17/2026Corient Private Wealth LP5,131$250K0.0%N/A0.008%
8/17/2026Bank of America Corp DE133,752$6.51M0.0%N/A0.216%
8/15/2026Freestone Grove Partners LP31,950$1.55M0.0%N/A0.052%
8/15/2026Jupiter Topco LLC25,873$1.26M0.0%N/A0.042%
8/14/2026Canada Pension Plan Investment Board6,900$336K0.0%N/A0.011%
8/14/2026Legal & General Group Plc807,510$39.29M0.0%N/A1.306%
8/14/2026The Manufacturers Life Insurance Company28,929$1.41M0.0%N/A0.047%
8/14/2026Kelly Lawrence W & Associates Inc. CA1,000$49K0.0%N/A0.002%
8/14/2026Cullen Capital Management LLC13,060$635K0.0%N/A0.021%
8/13/2026Meiji Yasuda Asset Management Co Ltd.123,523$6.01M0.3%N/A0.200%
8/13/2026Magellan Asset Management Ltd61,416$2.99M0.1%N/A0.099%
8/13/2026Clear Harbor Asset Management LLC49,211$2.39M0.1%N/A0.080%
8/12/2026Ieq Capital LLC63,323$3.08M0.0%N/A0.102%
8/11/2026Green Alpha Advisors LLC7,830$381K0.3%N/A0.013%
8/11/2026Allworth Financial LP28,115$1.37M0.0%N/A0.045%
8/7/2026Nuance Investments LLC1,096,077$53.32M9.1%N/A1.772%
8/7/2026BlackRock Inc.10,755,498$523.26M0.0%N/A17.393%
8/7/2026Deutsche Bank AG88,732$4.32M0.0%N/A0.143%
8/7/2026Perigon Wealth Management LLC10,518$512K0.0%N/A0.017%
8/7/2026Mitsubishi UFJ Asset Management Co. Ltd.670$33K0.0%N/A0.001%
8/6/2026Global Retirement Partners LLC1,658$81K0.0%N/A0.003%
8/6/2026Bank of New York Mellon Corp527,076$25.64M0.0%N/A0.852%
8/6/2026State of Wyoming1,634$79K0.0%N/A0.003%
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7/10/2026Wedge Capital Management L L P NC78,417$3.82M0.1%+76.0%0.131%
7/10/2026Canvas Wealth Advisors LLC17,079$831K0.1%-24.5%0.029%
7/8/2026Assenagon Asset Management S.A.42,371$2.06M0.0%N/A0.071%
7/7/2026GAMMA Investing LLC3,200$156K0.0%-21.2%0.005%
7/2/2026Versant Capital Management Inc676$33K0.0%+228.2%0.001%
5/19/2026Bank of America Corp DE121,899$5.53M0.0%+23.0%0.204%
5/19/2026South Dakota Investment Council34,715$1.57M0.0%+16.0%0.058%
5/18/2026Amundi3,470,997$157.42M0.0%+26.7%5.799%
5/18/2026EverSource 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%
5/18/2026Royal Bank of Canada11,206$508K0.0%-14.8%0.019%
5/16/2026The Manufacturers Life Insurance Company26,383$1.20M0.0%-3.4%0.044%
5/16/2026Quantinno Capital Management LP14,895$675K0.0%+13.2%0.025%
5/16/2026Lazard Asset Management LLC5,630$255K0.0%N/A0.009%
5/14/2026Healthcare of Ontario Pension Plan Trust Fund16,472$747K0.0%-24.0%0.028%
5/14/2026Renaissance Technologies LLC100,400$4.55M0.0%-10.3%0.168%
5/14/2026Arrowstreet Capital Limited Partnership257,970$11.70M0.0%+416.9%0.431%
5/14/2026Inceptionr LLC4,947$224K0.1%N/A0.008%
5/14/2026Sei Investments Co.52,883$2.40M0.0%+129.1%0.088%
5/14/2026State of Wyoming1,553$70K0.0%N/A0.003%
5/13/2026Cetera Investment Advisers13,714$622K0.0%+5.9%0.023%
5/13/2026First Trust Advisors LP1,354,165$61.40M0.0%-1.0%2.262%
5/12/2026Magellan Asset Management Ltd61,416$2.79M0.0%+26.0%0.103%
5/8/2026PNC Financial Services Group Inc.5,392$244K0.0%+9.1%0.009%
5/7/2026Dimensional Fund Advisors LP1,158,359$52.52M0.0%+0.4%1.935%
5/7/2026KBC Group NV577,247$26.17M0.1%+29.2%0.964%
5/7/2026Arjuna Capital28,638$1.30M0.3%+2.1%0.048%
5/6/2026Bessemer Group Inc.744$34K0.0%+67.9%0.001%
5/6/2026Allspring Global Investments Holdings LLC19,360$881K0.0%+11.5%0.032%
5/5/2026D.A. Davidson & CO.10,894$494K0.0%+3.9%0.018%
5/5/2026Bank of New York Mellon Corp506,702$22.97M0.0%+0.4%0.847%
5/5/2026Illinois Municipal Retirement Fund30,703$1.39M0.0%-9.3%0.051%
5/5/2026Maryland State Retirement & Pension System61,780$2.80M0.1%-4.2%0.103%
5/4/2026Principal Financial Group Inc.289,623$13.13M0.0%+2.0%0.484%
5/1/2026Commonwealth of Pennsylvania Public School Empls Retrmt SYS105,960$4.80M0.0%-5.5%0.177%
5/1/2026Midwest Trust Co52,833$2.40M0.0%-2.9%0.088%
5/1/2026Fifth Third Bancorp29,884$1.36M0.0%+9,095.1%0.050%
5/1/2026Kornitzer Capital Management Inc. KS42,500$1.93M0.0%N/A0.071%
4/29/2026Canvas Wealth Advisors LLC22,624$1.03M0.2%-2.0%0.038%
4/28/2026Praxis Investment Management Inc.7,671$348K0.0%+35.1%0.013%
4/27/2026Fideuram Intesa Sanpaolo Private Banking S.P.A.51,806$2.35M0.1%-4.8%0.087%
4/24/2026IFM Investors Pty Ltd4,268$194K0.0%N/A0.007%
4/22/2026Pictet Asset Management Holding SA11,184$507K0.0%+11.6%0.019%
4/22/2026Sterling Capital Management LLC1,982$90K0.0%-42.7%0.003%
4/21/2026Louisiana State Employees Retirement System26,400$1.20M0.0%N/A0.044%
4/16/2026SG Americas Securities LLC44,335$2.01M0.0%+11.3%0.074%
3/20/2026Hsbc Holdings PLC13,298$574K0.0%N/A0.022%
3/17/2026Rockefeller Capital Management L.P.1,370$59K0.0%-16.6%0.002%
2/24/2026Ketron Financial6,900$299K0.1%N/A0.012%
2/19/2026T. Rowe Price Investment Management Inc.3,337,205$144.60M0.1%+1.1%5.600%
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2/19/2026Invesco Ltd.954,234$41.35M0.0%+6.4%1.601%
2/18/2026Mercer Global Advisors Inc. ADV13,092$567K0.0%-73.6%0.022%
2/18/2026Virtue Capital Management LLC4,733$203K0.0%N/A0.008%
2/18/2026State of Tennessee Department of Treasury12,535$560K0.0%-25.0%0.021%
2/18/2026Mackenzie Financial Corp15,634$680K0.0%+4.2%0.026%
2/18/2026XTX Topco Ltd36,819$1.60M0.0%N/A0.062%
2/18/2026Zimmer Partners LP38,500$1.67M0.0%N/A0.065%
2/18/2026Quadrature Capital Ltd8,413$365K0.0%+16.3%0.014%
2/18/2026Millennium Management LLC90,157$3.91M0.0%-75.5%0.151%
2/18/2026Engineers Gate Manager LP20,821$902K0.0%+43.0%0.035%


CWT Institutional Ownership - Frequently Asked Questions

During the previous two years, 322 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 ($169.74M), 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 271 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 ($1.60M), 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 18,293,344 shares in the last 24 months. This purchase volume represents approximately $875.18M in transactions.

Of the 120 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 4,807,603 shares in the last 24 months. This volume of shares sold represents approximately $210.38M 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 9/9/2026. New 13F filings are added each quarter as they're published.
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