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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 346 | $2.69B |
| Q1 2026 | 339 | $2.32B |
| Q4 2025 | 329 | $2.17B |
| Q3 2025 | 337 | $2.30B |
| Q2 2025 | 338 | $2.29B |
| Q1 2025 | 330 | $2.45B |
| Q4 2024 | 323 | $2.23B |
| Q3 2024 | 324 | $2.63B |
| Q2 2024 | 299 | $2.34B |
| Q1 2024 | 275 | $2.27B |
| Q4 2023 | 285 | $2.47B |
| Q3 2023 | 273 | $2.26B |
| Q2 2023 | 286 | $2.44B |
| Q1 2023 | 299 | $2.61B |
| Q4 2022 | 295 | $2.73B |
| Q3 2022 | 281 | $2.31B |
| Q2 2022 | 281 | $2.44B |
| Q1 2022 | 312 | $2.51B |
| Q4 2021 | 307 | $2.96B |
| Q3 2021 | 268 | $2.40B |
| Q2 2021 | 251 | $2.20B |
| Q1 2021 | 259 | $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.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Board of Administration of Florida Retirement System | 16,459 | $748.6K | 0.00% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 16,551 | $753.0K | 0.01% | −1,089−6.2% | Reduced |
| Voya Investment Management LLC | 16,746 | $761.6K | 0.00% | +174+1.0% | Added |
| Amalgamated Bank | 16,954 | $771.0K | 0.01% | +39+0.2% | Added |
| Arizona State Retirement System | 17,361 | $789.6K | 0.00% | +301+1.8% | Added |
| Canvas Wealth Advisors, LLC | 19,556 | $866.7K | 0.17% | +656+3.5% | Added |
| South Dakota Investment Council | 19,515 | $888.0K | 0.02% | −4,502−18.7% | Reduced |
| Susquehanna Fundamental Investments, LLC | 19,565 | $889.8K | 0.02% | −39,672−67.0% | Reduced |
| Alps Advisors Inc | 19,602 | $891.5K | 0.01% | −138−0.7% | Reduced |
| Teton Advisors, Inc. | 20,060 | $912.3K | 0.56% | −940−4.5% | Reduced |
| Van Eck Associates Corp | 20,322 | $924.0K | 0.00% | +1,634+8.7% | Added |
| Twinbeech Capital LP | 20,844 | $948.0K | 0.02% | +20,844 | New |
| Handelsbanken Fonder AB | 20,915 | $951.0K | 0.00% | +191+0.9% | Added |
| State of Tennessee, Treasury Department | 21,149 | $961.9K | 0.00% | −4,457−17.4% | Reduced |
| LPL Financial LLC | 21,329 | $970.1K | 0.00% | −1,030−4.6% | Reduced |
| Wulff, Hansen & Co. | 21,655 | $984.9K | 0.84% | −220−1.0% | Reduced |
| Yousif Capital Management, LLC | 22,145 | $1.01M | 0.01% | +207+0.9% | Added |
| Comerica Bank | 22,622 | $1.03M | 0.00% | +373+1.7% | Added |
| Janus Henderson Group PLC | 23,298 | $1.06M | 0.00% | −5,300−18.5% | Reduced |
| Ensign Peak Advisors, Inc | 24,014 | $1.09M | 0.00% | −7,050−22.7% | Reduced |
| Franklin Resources Inc | 24,667 | $1.12M | 0.00% | −1,601−6.1% | Reduced |
| Capital Fund Management S.A. | 25,360 | $1.15M | 0.01% | +25,360 | New |
| Canada Pension Plan Investment Board | 25,800 | $1.17M | 0.00% | +25,800 | New |
| Intech Investment Management LLC | 25,984 | $1.18M | 0.01% | −2,826−9.8% | Reduced |
| HighTower Advisors, LLC | 27,029 | $1.23M | 0.00% | +1,244+4.8% | Added |
| Colony Group, LLC | 27,182 | $1.24M | 0.00% | +21+0.1% | Added |
| Freestone Grove Partners LP | 27,531 | $1.25M | 0.01% | +19,808+256.5% | Added |
| Louisiana State Employees Retirement System | 27,800 | $1.26M | 0.02% | −200−0.7% | Reduced |
| CenterBook Partners LP | 28,759 | $1.31M | 0.07% | +5,658+24.5% | Added |
| Verition Fund Management LLC | 29,060 | $1.32M | 0.01% | +29,060 | New |
| Vontobel Holding Ltd. | 29,968 | $1.36M | 0.00% | +4,165+16.1% | Added |
| New York State Common Retirement Fund | 30,544 | $1.39M | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 30,888 | $1.40M | 0.00% | −1,926−5.9% | Reduced |
| Atom Investors LP | 31,944 | $1.45M | 0.13% | +2,302+7.8% | Added |
| Illinois Municipal Retirement Fund | 32,046 | $1.46M | 0.02% | +3,057+10.5% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 32,800 | $1.49M | 0.00% | +32,800 | New |
| Bank of Montreal | 32,877 | $1.50M | 0.00% | −415−1.2% | Reduced |
| State of Alaska, Department of Revenue | 35,453 | $1.61M | 0.02% | +2,499+7.6% | Added |
| MetLife Investment Management | 35,498 | $1.61M | 0.01% | +699+2.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 35,590 | $1.62M | 0.00% | −183−0.5% | Reduced |
| CoreCommodity Management, LLC | 35,954 | $1.64M | 0.27% | −3,803−9.6% | Reduced |
| State of Wisconsin Investment Board | 36,454 | $1.66M | 0.00% | −2,868−7.3% | Reduced |
| Kovitz Investment Group Partners, LLC | 36,810 | $1.67M | 0.01% | −1,628−4.2% | Reduced |
| Nia Impact Advisors, LLC | 36,992 | $1.68M | 0.58% | −295−0.8% | Reduced |
| BNP Paribas Arbitrage, SA | 37,000 | $1.68M | 0.00% | +20,262+121.1% | Added |
| First National Corp | 38,366 | $1.74M | 0.35% | −10,787−21.9% | Reduced |
| State of New Jersey Common Pension Fund D | 40,167 | $1.83M | 0.01% | −1,805−4.3% | Reduced |
| Holocene Advisors, LP | 40,530 | $1.84M | 0.00% | +21,657+114.8% | Added |
| Macquarie Group Ltd | 41,163 | $1.87M | 0.00% | −2,751−6.3% | Reduced |
| Oddo BHF Asset Management SAS | 41,685 | $1.90M | 0.07% | +41,685 | New |
| Gabelli Funds LLC | 43,200 | $1.96M | 0.01% | 00.0% | Unchanged |
| Magellan Asset Management Ltd | 43,514 | $1.98M | 0.02% | −2,056−4.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 45,631 | $2.08M | 0.00% | −1,710−3.6% | Reduced |
| Bridge City Capital, LLC | 45,650 | $2.08M | 0.58% | −648−1.4% | Reduced |
| Allianz Asset Management GmbH | 46,425 | $2.11M | 0.00% | +10,643+29.7% | Added |
| Mercer Global Advisors Inc | 47,249 | $2.15M | 0.00% | +593+1.3% | Added |
| Envestnet Asset Management Inc | 48,207 | $2.19M | 0.00% | −1,305−2.6% | Reduced |
| Davy Global Fund Management Ltd | 49,855 | $2.27M | 0.20% | +5,965+13.6% | Added |
| Exchange Traded Concepts, LLC | 50,455 | $2.29M | 0.03% | +1,537+3.1% | Added |
| Clear Harbor Asset Management, LLC | 50,985 | $2.32M | 0.17% | −325−0.6% | Reduced |
| TD Asset Management Inc | 51,888 | $2.36M | 0.00% | +7,692+17.4% | Added |
| Qube Research & Technologies Ltd | 54,257 | $2.47M | 0.00% | −145,402−72.8% | Reduced |
| California State Teachers Retirement System | 54,416 | $2.47M | 0.00% | +278+0.5% | Added |
| Midwest Trust Co | 55,331 | $2.52M | 0.03% | +55,331 | New |
| Kennedy Capital Management, Inc. | 57,553 | $2.62M | 0.06% | −18,350−24.2% | Reduced |
| Storebrand Asset Management AS | 59,590 | $2.71M | 0.01% | +392+0.7% | Added |
| Rodgers Brothers Inc. | 61,075 | $2.78M | 0.35% | +61,075 | New |
| Citadel Advisors LLC | 61,963 | $2.82M | 0.00% | +28,104+83.0% | Added |
| Citigroup Inc | 62,103 | $2.82M | 0.00% | −25,387−29.0% | Reduced |
| New York State Teachers Retirement System | 62,602 | $2.85M | 0.01% | +100+0.2% | Added |
| Arjuna Capital | 63,259 | $2.88M | 0.76% | −2,779−4.2% | Reduced |
| Thrivent Financial for Lutherans | 65,548 | $2.98M | 0.01% | −19,281−22.7% | Reduced |
| Mariner, LLC | 68,441 | $3.11M | 0.00% | +1,150+1.7% | Added |
| Maryland State Retirement & Pension System | 71,103 | $3.23M | 0.07% | +3,247+4.8% | Added |
| Advisors Preferred, LLC | 69,577 | $3.23M | 0.53% | +69,577 | New |
| Wells Fargo & Company | 71,813 | $3.27M | 0.00% | +5,019+7.5% | Added |
| AQR Capital Management LLC | 73,592 | $3.35M | 0.00% | −41,388−36.0% | Reduced |
| Susquehanna International Group, LLP | 75,446 | $3.43M | 0.01% | −17,833−19.1% | Reduced |
| Deutsche Bank AG | 76,923 | $3.50M | 0.00% | −36,146−32.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 78,182 | $3.56M | 0.00% | +50,172+179.1% | Added |
| Jacobs Levy Equity Management, Inc | 80,088 | $3.64M | 0.01% | −6,291−7.3% | Reduced |
| Martingale Asset Management L P | 82,078 | $3.73M | 0.09% | −867−1.0% | Reduced |
| Trexquant Investment LP | 82,807 | $3.77M | 0.04% | +60,207+266.4% | Added |
| Dark Forest Capital Management LP | 84,013 | $3.82M | 0.15% | +84,013 | New |
| Crawford Investment Counsel Inc | 85,549 | $3.89M | 0.07% | +85,549 | New |
| Meiji Yasuda Asset Management Co Ltd. | 90,031 | $4.09M | 0.20% | −10,811−10.7% | Reduced |
| Prudential Financial Inc | 90,620 | $4.12M | 0.01% | +5,791+6.8% | Added |
| Jupiter Asset Management Ltd | 93,546 | $4.25M | 0.04% | −19,135−17.0% | Reduced |
| Federated Hermes, Inc. | 97,170 | $4.42M | 0.01% | +48,697+100.5% | Added |
| Adage Capital Partners GP, L.L.C. | 100,000 | $4.55M | 0.01% | +100,000 | New |
| Northstar Asset Management Inc | 102,238 | $4.65M | 1.29% | +709+0.7% | Added |
| New Age Alpha Advisors, LLC | 104,418 | $4.75M | 0.21% | −10,467−9.1% | Reduced |
| Alliancebernstein L.P. | 109,205 | $4.97M | 0.00% | +8,839+8.8% | Added |
| Swiss National Bank | 113,600 | $5.17M | 0.00% | −1,700−1.5% | Reduced |
| American Century Companies Inc | 114,629 | $5.21M | 0.00% | +10,426+10.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 114,777 | $5.22M | 0.03% | +1,062+0.9% | Added |
| Great West Life Assurance Co | 128,057 | $5.83M | 0.01% | +1,234+1.0% | Added |
| Royal Bank of Canada | 128,524 | $5.85M | 0.00% | +103,076+405.0% | Added |
| Barclays PLC | 137,511 | $6.25M | 0.00% | +28,416+26.0% | Added |
| Jane Street Group, LLC | 139,989 | $6.37M | 0.01% | +16,610+13.5% | Added |