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 of Alaska, Department of Revenue | 35,453 | $1.61M | 0.02% | +2,499+7.6% | Added |
| Bank of Montreal | 32,877 | $1.50M | 0.00% | −415−1.2% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 32,800 | $1.49M | 0.00% | +32,800 | New |
| Illinois Municipal Retirement Fund | 32,046 | $1.46M | 0.02% | +3,057+10.5% | Added |
| Atom Investors LP | 31,944 | $1.45M | 0.13% | +2,302+7.8% | Added |
| Manufacturers Life Insurance Company, The | 30,888 | $1.40M | 0.00% | −1,926−5.9% | Reduced |
| New York State Common Retirement Fund | 30,544 | $1.39M | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 29,968 | $1.36M | 0.00% | +4,165+16.1% | Added |
| Verition Fund Management LLC | 29,060 | $1.32M | 0.01% | +29,060 | New |
| CenterBook Partners LP | 28,759 | $1.31M | 0.07% | +5,658+24.5% | Added |
| Louisiana State Employees Retirement System | 27,800 | $1.26M | 0.02% | −200−0.7% | Reduced |
| Freestone Grove Partners LP | 27,531 | $1.25M | 0.01% | +19,808+256.5% | Added |
| Colony Group, LLC | 27,182 | $1.24M | 0.00% | +21+0.1% | Added |
| HighTower Advisors, LLC | 27,029 | $1.23M | 0.00% | +1,244+4.8% | Added |
| Intech Investment Management LLC | 25,984 | $1.18M | 0.01% | −2,826−9.8% | Reduced |
| Canada Pension Plan Investment Board | 25,800 | $1.17M | 0.00% | +25,800 | New |
| Capital Fund Management S.A. | 25,360 | $1.15M | 0.01% | +25,360 | New |
| Franklin Resources Inc | 24,667 | $1.12M | 0.00% | −1,601−6.1% | Reduced |
| Ensign Peak Advisors, Inc | 24,014 | $1.09M | 0.00% | −7,050−22.7% | Reduced |
| Janus Henderson Group PLC | 23,298 | $1.06M | 0.00% | −5,300−18.5% | Reduced |
| Comerica Bank | 22,622 | $1.03M | 0.00% | +373+1.7% | Added |
| Yousif Capital Management, LLC | 22,145 | $1.01M | 0.01% | +207+0.9% | Added |
| Wulff, Hansen & Co. | 21,655 | $984.9K | 0.84% | −220−1.0% | Reduced |
| LPL Financial LLC | 21,329 | $970.1K | 0.00% | −1,030−4.6% | Reduced |
| State of Tennessee, Treasury Department | 21,149 | $961.9K | 0.00% | −4,457−17.4% | Reduced |
| Handelsbanken Fonder AB | 20,915 | $951.0K | 0.00% | +191+0.9% | Added |
| Twinbeech Capital LP | 20,844 | $948.0K | 0.02% | +20,844 | New |
| Van Eck Associates Corp | 20,322 | $924.0K | 0.00% | +1,634+8.7% | Added |
| Teton Advisors, Inc. | 20,060 | $912.3K | 0.56% | −940−4.5% | Reduced |
| Alps Advisors Inc | 19,602 | $891.5K | 0.01% | −138−0.7% | Reduced |
| Susquehanna Fundamental Investments, LLC | 19,565 | $889.8K | 0.02% | −39,672−67.0% | Reduced |
| South Dakota Investment Council | 19,515 | $888.0K | 0.02% | −4,502−18.7% | Reduced |
| Canvas Wealth Advisors, LLC | 19,556 | $866.7K | 0.17% | +656+3.5% | Added |
| Arizona State Retirement System | 17,361 | $789.6K | 0.00% | +301+1.8% | Added |
| Amalgamated Bank | 16,954 | $771.0K | 0.01% | +39+0.2% | Added |
| Voya Investment Management LLC | 16,746 | $761.6K | 0.00% | +174+1.0% | Added |
| Teachers Retirement System of the State of Kentucky | 16,551 | $753.0K | 0.01% | −1,089−6.2% | Reduced |
| State Board of Administration of Florida Retirement System | 16,459 | $748.6K | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 16,320 | $742.2K | 0.00% | +2,957+22.1% | Added |
| Private Advisor Group, LLC | 16,023 | $728.7K | 0.00% | −169−1.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 15,996 | $727.5K | 0.00% | −2,950−15.6% | Reduced |
| Creative Planning | 15,302 | $695.9K | 0.00% | +253+1.7% | Added |
| Penn Mutual Asset Management, LLC | 14,950 | $679.9K | 1.20% | +2,500+20.1% | Added |
| Manchester Capital Management LLC | 14,881 | $676.8K | 0.09% | −73−0.5% | Reduced |
| Mackenzie Financial Corp | 14,358 | $653.0K | 0.00% | −527−3.5% | Reduced |
| KLP Kapitalforvaltning AS | 14,200 | $645.8K | 0.00% | +2,100+17.4% | Added |
| Elo Mutual Pension Insurance Co | 14,134 | $642.8K | 0.01% | −1,186−7.7% | Reduced |
| Nisa Investment Advisors, LLC | 13,791 | $627.2K | 0.00% | +7+0.1% | Added |
| Toroso Investments, LLC | 13,625 | $619.7K | 0.00% | +880+6.9% | Added |
| Oregon Public Employees Retirement Fund | 13,614 | $619.2K | 0.01% | +13+0.1% | Added |
| Farmers & Merchants Trust Co of Long Beach | 13,500 | $614.0K | 0.13% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 13,458 | $612.1K | 0.01% | +488+3.8% | Added |
| Cetera Investment Advisers | 13,253 | $602.8K | 0.00% | +1,150+9.5% | Added |
| Pictet Asset Management Holding SA | 13,129 | $597.1K | 0.00% | +423+3.3% | Added |
| Creative Financial Designs Inc | 12,885 | $586.0K | 0.04% | −363−2.7% | Reduced |
| Commonwealth Equity Services, LLC | 12,893 | $586.0K | 0.00% | +975+8.2% | Added |
| Stifel Financial Corp | 12,698 | $577.5K | 0.00% | −358−2.7% | Reduced |
| Cullen Capital Management LLC | 12,487 | $567.9K | 0.01% | 00.0% | Unchanged |
| Jennison Associates LLC | 12,439 | $565.7K | 0.00% | −9,568−43.5% | Reduced |
| Allworth Financial LP | 12,434 | $565.5K | 0.00% | −3,381−21.4% | Reduced |
| SG Americas Securities, LLC | 12,121 | $551.0K | 0.00% | −43,988−78.4% | Reduced |
| Daiwa Securities Group Inc. | 12,128 | $551.0K | 0.00% | +742+6.5% | Added |
| Public Employees Retirement System of Ohio | 11,867 | $539.7K | 0.00% | −21−0.2% | Reduced |
| Legato Capital Management LLC | 11,848 | $538.8K | 0.06% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 11,699 | $532.1K | 0.00% | +4,843+70.6% | Added |
| Clean Yield Group | 11,485 | $522.3K | 0.16% | 00.0% | Unchanged |
| Wealth Enhancement Advisory Services, LLC | 11,317 | $518.4K | 0.00% | +511+4.7% | Added |
| Banque Pictet & Cie SA | 11,375 | $517.3K | 0.01% | −763−6.3% | Reduced |
| Resona Asset Management Co.,Ltd. | 11,311 | $514.4K | 0.00% | +11,311 | New |
| D.A. Davidson & Co. | 11,205 | $509.6K | 0.00% | −496−4.2% | Reduced |
| STRS Ohio | 11,100 | $504.8K | 0.00% | −7,200−39.3% | Reduced |
| Natixis Advisors, L.P. | 11,059 | $503.0K | 0.00% | −820−6.9% | Reduced |
| Graham Capital Management, L.P. | 10,900 | $495.7K | 0.02% | −29,091−72.7% | Reduced |
| Ethic Inc. | 10,592 | $481.6K | 0.01% | +5,051+91.2% | Added |
| DRW Securities, LLC | 10,575 | $480.9K | 0.03% | +10,575 | New |
| Assenagon Asset Management S.A. | 9,953 | $452.7K | 0.00% | −30,339−75.3% | Reduced |
| Pathstone Holdings, LLC | 9,950 | $452.5K | 0.00% | +1,202+13.7% | Added |
| Sovereign Financial Group, Inc. | 9,720 | $442.1K | 0.09% | −976−9.1% | Reduced |
| Quantbot Technologies LP | 9,630 | $438.0K | 0.01% | +9,630 | New |
| Teacher Retirement System of Texas | 9,030 | $410.7K | 0.00% | −11,201−55.4% | Reduced |
| ELCO Management Co., LLC | 8,902 | $404.9K | 0.21% | −1,014−10.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 8,056 | $366.4K | 0.00% | −395−4.7% | Reduced |
| Federation des caisses Desjardins du Quebec | 8,025 | $365.0K | 0.00% | +8,025 | New |
| Green Alpha Advisors, LLC | 7,849 | $357.0K | 0.34% | −586−6.9% | Reduced |
| Public Employees Retirement Association of Colorado | 7,737 | $352.0K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 7,664 | $348.6K | 0.00% | +2,510+48.7% | Added |
| Mutual of America Capital Management LLC | 7,652 | $348.0K | 0.00% | −1,009−11.6% | Reduced |
| Blackhill Capital Inc | 7,600 | $345.6K | 0.02% | 00.0% | Unchanged |
| Glenmede Investment Management, LP | 7,537 | $342.8K | 0.00% | +7,537 | New |
| Two Sigma Investments, LP | 7,476 | $340.0K | 0.00% | +7,476 | New |
| CIBC World Markets Corp | 7,372 | $335.3K | 0.00% | −5,854−44.3% | Reduced |
| Sound Income Strategies, LLC | 7,210 | $327.9K | 0.02% | 00.0% | Unchanged |
| TRUE Private Wealth Advisors | 7,200 | $327.5K | 0.04% | 00.0% | Unchanged |
| Man Group plc | 7,190 | $327.0K | 0.00% | −97,807−93.2% | Reduced |
| HRT Financial LP | 7,044 | $320.0K | 0.00% | −18,730−72.7% | Reduced |
| Ieq Capital, LLC | 6,974 | $317.2K | 0.00% | −5,456−43.9% | Reduced |
| Wealth Architects, LLC | 6,948 | $316.0K | 0.03% | +47+0.7% | Added |
| Meeder Advisory Services, Inc. | 6,931 | $315.2K | 0.02% | +6,931 | New |
| Los Angeles Capital Management LLC | 6,909 | $314.2K | 0.00% | +640+10.2% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 6,830 | $310.6K | 0.00% | 00.0% | Unchanged |