California Water Service Group (CWT) Institutional Ownership

$45.12 +1.30 (+2.96%)

Closing price 05/29/2026 03:59 PM Eastern

Extended Trading

$45.11 -0.01 (-0.01%)

As of 05/29/2026 05:40 PM Eastern

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Current Institutional Ownership Percentage: 82.78%
Number of Institutional Buyers (last 12 months): 164
Total Institutional Inflows (last 12 months): $259.69M

Number of Institutional Sellers (last 12 months): 139
Total Institutional Outflows (last 12 months): $256.59M

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CWT Institutional Buying and Selling by Quarter

California Water Service Group Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
5/19/2026	Bank of America Corp DE	121,899	$5.53M	0.0%	+23.0%	0.204%
5/19/2026	South Dakota Investment Council	34,715	$1.57M	0.0%	+16.0%	0.058%
5/18/2026	Amundi	3,470,997	$157.42M	0.0%	+26.7%	5.799%
5/18/2026	EverSource Wealth Advisors LLC	1,209	$55K	0.0%	+100.5%	0.002%
5/18/2026	California State Teachers Retirement System	56,273	$2.55M	0.0%	-0.8%	0.094%
5/18/2026	Royal Bank of Canada	11,206	$508K	0.0%	-14.8%	0.019%
5/16/2026	The Manufacturers Life Insurance Company	26,383	$1.20M	0.0%	-3.4%	0.044%
5/16/2026	Quantinno Capital Management LP	14,895	$675K	0.0%	+13.2%	0.025%
5/16/2026	Lazard Asset Management LLC	5,630	$255K	0.0%	N/A	0.009%
5/14/2026	Healthcare of Ontario Pension Plan Trust Fund	16,472	$747K	0.0%	-24.0%	0.028%
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5/14/2026	Renaissance Technologies LLC	100,400	$4.55M	0.0%	-10.3%	0.168%
5/14/2026	Arrowstreet Capital Limited Partnership	257,970	$11.70M	0.0%	+416.9%	0.431%
5/14/2026	Inceptionr LLC	4,947	$224K	0.1%	N/A	0.008%
5/14/2026	Sei Investments Co.	52,883	$2.40M	0.0%	+129.1%	0.088%
5/14/2026	State of Wyoming	1,553	$70K	0.0%	N/A	0.003%
5/13/2026	Cetera Investment Advisers	13,714	$622K	0.0%	+5.9%	0.023%
5/13/2026	First Trust Advisors LP	1,354,165	$61.40M	0.0%	-1.0%	2.262%
5/12/2026	Magellan Asset Management Ltd	61,416	$2.79M	0.0%	+26.0%	0.103%
5/8/2026	PNC Financial Services Group Inc.	5,392	$244K	0.0%	+9.1%	0.009%
5/7/2026	Dimensional Fund Advisors LP	1,158,359	$52.52M	0.0%	+0.4%	1.935%
5/7/2026	KBC Group NV	577,247	$26.17M	0.1%	+29.2%	0.964%
5/7/2026	Arjuna Capital	28,638	$1.30M	0.3%	+2.1%	0.048%
5/6/2026	Bessemer Group Inc.	744	$34K	0.0%	+67.9%	0.001%
5/6/2026	Allspring Global Investments Holdings LLC	19,360	$881K	0.0%	+11.5%	0.032%
5/5/2026	D.A. Davidson & CO.	10,894	$494K	0.0%	+3.9%	0.018%
5/5/2026	Bank of New York Mellon Corp	506,702	$22.97M	0.0%	+0.4%	0.847%
5/5/2026	Illinois Municipal Retirement Fund	30,703	$1.39M	0.0%	-9.3%	0.051%
5/5/2026	Maryland State Retirement & Pension System	61,780	$2.80M	0.1%	-4.2%	0.103%
5/4/2026	Principal Financial Group Inc.	289,623	$13.13M	0.0%	+2.0%	0.484%
5/1/2026	Commonwealth of Pennsylvania Public School Empls Retrmt SYS	105,960	$4.80M	0.0%	-5.5%	0.177%
5/1/2026	Midwest Trust Co	52,833	$2.40M	0.0%	-2.9%	0.088%
5/1/2026	Fifth Third Bancorp	29,884	$1.36M	0.0%	+9,095.1%	0.050%
5/1/2026	Kornitzer Capital Management Inc. KS	42,500	$1.93M	0.0%	N/A	0.071%
4/29/2026	Canvas Wealth Advisors LLC	22,624	$1.03M	0.2%	-2.0%	0.038%
4/28/2026	Praxis Investment Management Inc.	7,671	$348K	0.0%	+35.1%	0.013%
4/27/2026	Fideuram Intesa Sanpaolo Private Banking S.P.A.	51,806	$2.35M	0.1%	-4.8%	0.087%
4/24/2026	IFM Investors Pty Ltd	4,268	$194K	0.0%	N/A	0.007%
4/22/2026	Pictet Asset Management Holding SA	11,184	$507K	0.0%	+11.6%	0.019%
4/22/2026	Sterling Capital Management LLC	1,982	$90K	0.0%	-42.7%	0.003%
4/21/2026	Louisiana State Employees Retirement System	26,400	$1.20M	0.0%	N/A	0.044%
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4/16/2026	SG Americas Securities LLC	44,335	$2.01M	0.0%	+11.3%	0.074%
3/20/2026	Hsbc Holdings PLC	13,298	$574K	0.0%	N/A	0.022%
3/17/2026	Rockefeller Capital Management L.P.	1,370	$59K	0.0%	-16.6%	0.002%
2/24/2026	Ketron Financial	6,900	$299K	0.1%	N/A	0.012%
2/19/2026	T. Rowe Price Investment Management Inc.	3,337,205	$144.60M	0.1%	+1.1%	5.600%
2/19/2026	Invesco Ltd.	954,234	$41.35M	0.0%	+6.4%	1.601%
2/18/2026	Mercer Global Advisors Inc. ADV	13,092	$567K	0.0%	-73.6%	0.022%
2/18/2026	Virtue Capital Management LLC	4,733	$203K	0.0%	N/A	0.008%
2/18/2026	State of Tennessee Department of Treasury	12,535	$560K	0.0%	-25.0%	0.021%
2/18/2026	Mackenzie Financial Corp	15,634	$680K	0.0%	+4.2%	0.026%
2/18/2026	XTX Topco Ltd	36,819	$1.60M	0.0%	N/A	0.062%
2/18/2026	Zimmer Partners LP	38,500	$1.67M	0.0%	N/A	0.065%
2/18/2026	Quadrature Capital Ltd	8,413	$365K	0.0%	+16.3%	0.014%
2/18/2026	Millennium Management LLC	90,157	$3.91M	0.0%	-75.5%	0.151%
2/18/2026	Engineers Gate Manager LP	20,821	$902K	0.0%	+43.0%	0.035%
2/17/2026	Freestone Grove Partners LP	18,642	$808K	0.0%	-54.5%	0.031%
2/17/2026	AQR Capital Management LLC	61,139	$2.65M	0.0%	-46.4%	0.103%
2/17/2026	Cetera Investment Advisers	12,953	$561K	0.0%	-27.2%	0.022%
2/17/2026	Trexquant Investment LP	135,592	$5.88M	0.1%	+102.7%	0.228%
2/17/2026	Amundi	2,738,993	$118.63M	0.0%	+20.3%	4.596%
2/17/2026	Sciencast Management LP	8,815	$382K	0.1%	N/A	0.015%
2/17/2026	Price T Rowe Associates Inc. MD	74,380	$3.22M	0.0%	-50.9%	0.125%
2/17/2026	T. Rowe Price Investment Management Inc.	721,461	$31.26M	0.0%	-78.1%	1.211%
2/17/2026	Osaic Holdings Inc.	5,880	$255K	0.0%	-14.9%	0.010%
2/17/2026	Russell Investments Group Ltd.	5,358	$232K	0.0%	-14.4%	0.009%
2/17/2026	Maryland State Retirement & Pension System	64,497	$2.80M	0.1%	+1.1%	0.108%
2/17/2026	Crawford Investment Counsel Inc.	91,989	$3.99M	0.1%	+2.2%	0.154%
2/17/2026	State of Wisconsin Investment Board	33,894	$1.47M	0.0%	-6.3%	0.057%
2/17/2026	Captrust Financial Advisors	9,379	$406K	0.0%	-7.9%	0.016%
2/17/2026	ExodusPoint Capital Management LP	238,840	$10.35M	0.1%	N/A	0.401%
2/17/2026	Royal Bank of Canada	13,146	$570K	0.0%	-75.6%	0.022%
2/16/2026	Mariner LLC	87,097	$3.77M	0.0%	-9.0%	0.146%
2/16/2026	Maven Securities LTD	27,611	$1.20M	0.0%	+1.8%	0.046%
2/16/2026	Healthcare of Ontario Pension Plan Trust Fund	21,687	$940K	0.0%	-33.9%	0.036%
2/16/2026	Kennedy Capital Management LLC	28,915	$1.25M	0.0%	-49.8%	0.049%
2/16/2026	Entropy Technologies LP	8,253	$358K	0.0%	+31.6%	0.014%
2/16/2026	Arax Advisory Partners	591	$26K	0.0%	-87.0%	0.001%
2/16/2026	Barclays PLC	122,521	$5.31M	0.0%	+11.5%	0.206%
2/16/2026	Bridge City Capital LLC	38,576	$1.67M	0.5%	-14.0%	0.065%
2/16/2026	Aptus Capital Advisors LLC	179,202	$7.77M	0.1%	+0.4%	0.301%
2/13/2026	The Manufacturers Life Insurance Company	27,307	$1.18M	0.0%	-5.9%	0.046%
2/13/2026	CANADA LIFE ASSURANCE Co	97,181	$4.21M	0.0%	-27.3%	0.163%
2/13/2026	Stifel Financial Corp	11,797	$511K	0.0%	-4.2%	0.020%
2/13/2026	Rodgers Brothers Inc.	52,175	$2.26M	0.3%	-9.7%	0.088%
2/13/2026	Jacobs Levy Equity Management Inc.	80,919	$3.51M	0.0%	-3.9%	0.136%
2/13/2026	Public Sector Pension Investment Board	206,197	$8.94M	0.0%	-11.3%	0.346%
2/13/2026	First Trust Advisors LP	1,367,978	$59.27M	0.0%	-2.6%	2.296%
2/13/2026	Charles Schwab Investment Management Inc.	710,668	$30.79M	0.0%	-1.1%	1.193%
2/13/2026	State Street Corp	3,029,950	$131.29M	0.0%	-2.3%	5.085%
2/13/2026	Van ECK Associates Corp	23,105	$1.00M	0.0%	+6.5%	0.039%
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2/13/2026	Vontobel Holding Ltd.	33,616	$1.46M	0.0%	+21.2%	0.056%
2/13/2026	Martingale Asset Management L P	81,447	$3.53M	0.1%	-1.4%	0.137%
2/13/2026	UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	234,643	$10.17M	0.0%	-3.0%	0.394%
2/13/2026	Wells Fargo & Company MN	98,602	$4.27M	0.0%	+24.1%	0.165%
2/13/2026	Cullen Capital Management LLC	7,125	$309K	0.0%	-42.9%	0.012%
2/12/2026	Federation des caisses Desjardins du Quebec	11,190	$485K	0.0%	+24.2%	0.019%
2/12/2026	HRT Financial LP	34,201	$1.48M	0.0%	+62.9%	0.057%
2/12/2026	MetLife Investment Management LLC	33,337	$1.44M	0.0%	-3.2%	0.056%
2/12/2026	Commonwealth Equity Services LLC	13,729	$595K	0.0%	+4.3%	0.023%
2/12/2026	Northstar Asset Management Inc.	82,861	$3.59M	0.9%	-21.9%	0.139%

CWT Institutional Ownership - Frequently Asked Questions

During the previous two years, 317 institutional investors and hedge funds held shares of California Water Service Group. The most heavily invested institutionals were Vanguard Group Inc. ($318.32M), Amundi ($157.42M), T. Rowe Price Investment Management Inc. ($144.60M), State Street Corp ($131.29M), Nuance Investments LLC ($79.09M), 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 266 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: Amundi ($1.58M), Norges Bank ($1.54M), Wulff Hansen & CO. ($1.03M), Nuance Investments LLC ($624.12K), Nuveen LLC ($493.72K), Raymond James Financial Inc. ($436.73K), and Millennium Management LLC ($418.28K).

Institutional investors have bought a total of 5,769,214 shares in the last 24 months. This purchase volume represents approximately $259.69M in transactions.

Of the 139 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), Nuance Investments LLC ($288.90K), Millennium Management LLC ($277.92K), Renaissance Technologies LLC ($200.72K), State Street Corp ($151.25K), Qube Research & Technologies Ltd ($145.40K), and First Trust Advisors LP ($145.29K).

Institutional investors have sold a total of 5,828,969 shares in the last 24 months. This volume of shares sold represents approximately $256.59M in transactions.

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This page (NYSE:CWT) was last updated on 5/31/2026 by MarketBeat.com Staff.

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California Water Service Group (CWT) Institutional Ownership

CWT Institutional Buying and Selling by Quarter

California Water Service Group Major Shareholders & Ownership History

CWT Institutional Ownership - Frequently Asked Questions

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California Water Service Group (CWT) Institutional Ownership

Institutional Ownership Changes (13F Filings) for California Water Service Group (NYSE:CWT)

CWT Institutional Buying and Selling by Quarter

California Water Service Group Major Shareholders & Ownership History

CWT Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of CWT shares?

What percentage of California Water Service Group's stock is owned by institutional investors?

Which institutional investors have been buying California Water Service Group's stock?

How much institutional buying is happening at California Water Service Group?

Which of California Water Service Group's major shareholders have been selling company stock?

How much institutional selling is happening at California Water Service Group?

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