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 2026
Institutional positions in California Water Service Group as of Jun 30, 2026. 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
- 346
- +11 vs. Q1 2026
- Shares held
- 55.2M
- +4.01M (+7.8%) vs. Q1 2026
- Total value
- $2.69B
- +$364.8M (+15.7%) vs. Q1 2026
- New holders
- 54
- 138 more added
- Sold out
- 43
- 98 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding California Water Service Group; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BNP Paribas Arbitrage, SA | 35,731 | $1.74M | 0.00% | +13,246+58.9% | Added |
| MetLife Investment Management | 35,383 | $1.72M | 0.01% | +2,308+7.0% | Added |
| Citigroup Inc | 35,113 | $1.71M | 0.00% | +21,264+153.5% | Added |
| Voya Investment Management LLC | 34,602 | $1.68M | 0.00% | +1,180+3.5% | Added |
| South Dakota Investment Council | 33,989 | $1.65M | 0.03% | −726−2.1% | Reduced |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 33,501 | $1.63M | 0.05% | −18,305−35.3% | Reduced |
| New York State Common Retirement Fund | 32,944 | $1.60M | 0.00% | +2,400+7.9% | Added |
| Russell Investments Group, Ltd. | 32,499 | $1.58M | 0.00% | +27,330+528.7% | Added |
| Freestone Grove Partners LP | 31,950 | $1.55M | 0.01% | +11,426+55.7% | Added |
| Illinois Municipal Retirement Fund | 30,096 | $1.46M | 0.02% | −607−2.0% | Reduced |
| State of New Jersey Common Pension Fund D | 29,256 | $1.42M | 0.00% | −19,422−39.9% | Reduced |
| Manufacturers Life Insurance Company, The | 28,929 | $1.41M | 0.00% | +2,546+9.7% | Added |
| Arjuna Capital | 28,258 | $1.37M | 0.31% | −380−1.3% | Reduced |
| Allworth Financial LP | 28,115 | $1.37M | 0.01% | +1,850+7.0% | Added |
| Creative Planning | 27,434 | $1.33M | 0.00% | +9,194+50.4% | Added |
| Wealth Enhancement Advisory Services, LLC | 26,053 | $1.30M | 0.00% | +15,608+149.4% | Added |
| Davy Global Fund Management Ltd | 26,617 | $1.29M | 0.08% | +2,349+9.7% | Added |
| HighTower Advisors, LLC | 26,233 | $1.28M | 0.00% | −1,619−5.8% | Reduced |
| Louisiana State Employees Retirement System | 26,200 | $1.27M | 0.02% | −200−0.8% | Reduced |
| Jupiter Topco LLC | 25,873 | $1.26M | 0.00% | +25,873 | New |
| Van Eck Associates Corp | 25,289 | $1.23M | 0.00% | +1,173+4.9% | Added |
| Rodgers Brothers Inc. | 25,075 | $1.22M | 0.12% | −24,950−49.9% | Reduced |
| Mercer Global Advisors Inc | 24,355 | $1.18M | 0.00% | +11,688+92.3% | Added |
| Bank of Montreal | 24,091 | $1.17M | 0.00% | +1,950+8.8% | Added |
| Dockside LLC | 23,624 | $1.15M | 0.27% | +23,624 | New |
| SEB Asset Management AB | 23,605 | $1.15M | 0.00% | +23,605 | New |
| LPL Financial LLC | 23,265 | $1.13M | 0.00% | +373+1.6% | Added |
| Vanguard Global Advisers, LLC | 23,104 | $1.12M | 0.00% | −2,732−10.6% | Reduced |
| Elo Mutual Pension Insurance Co | 22,854 | $1.11M | 0.01% | −3,245−12.4% | Reduced |
| Handelsbanken Fonder AB | 22,716 | $1.10M | 0.00% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 21,708 | $1.06M | 0.00% | +6,813+45.7% | Added |
| State of Alaska, Department of Revenue | 21,518 | $1.04M | 0.01% | −9,705−31.1% | Reduced |
| State of Tennessee, Treasury Department | 21,455 | $1.04M | 0.00% | +8,920+71.2% | Added |
| Quadrature Capital Ltd | 21,277 | $1.04M | 0.01% | +10,753+102.2% | Added |
| Allspring Global Investments Holdings, LLC | 20,037 | $982.6K | 0.00% | +677+3.5% | Added |
| Teton Advisors, LLC | 20,060 | $975.9K | 0.56% | 00.0% | Unchanged |
| Mitsubishi UFJ Trust & Banking Corp | 19,499 | $948.6K | 0.00% | +19,499 | New |
| Wulff, Hansen & Co. | 19,215 | $934.8K | 0.72% | −160−0.8% | Reduced |
| Alps Advisors Inc | 18,598 | $904.8K | 0.00% | +563+3.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 17,948 | $873.2K | 0.01% | +1,267+7.6% | Added |
| Captrust Financial Advisors | 17,143 | $834.0K | 0.00% | +6,096+55.2% | Added |
| Canvas Wealth Advisors, LLC | 17,079 | $830.9K | 0.12% | −5,545−24.5% | Reduced |
| KLP Kapitalforvaltning AS | 16,700 | $812.5K | 0.00% | +2,500+17.6% | Added |
| State Board of Administration of Florida Retirement System | 16,459 | $800.7K | 0.00% | 00.0% | Unchanged |
| Arizona State Retirement System | 16,457 | $800.6K | 0.00% | +77+0.5% | Added |
| Amalgamated Bank | 16,101 | $783.0K | 0.01% | −1,062−6.2% | Reduced |
| Yousif Capital Management, LLC | 15,922 | $774.6K | 0.01% | +41+0.3% | Added |
| Susquehanna International Group, LLP | 15,712 | $764.4K | 0.00% | −12,600−44.5% | Reduced |
| Federation des caisses Desjardins du Quebec | 15,182 | $738.6K | 0.00% | +337+2.3% | Added |
| Gamco Investors, Inc. Et Al | 15,048 | $732.1K | 0.01% | +15,048 | New |
| Teachers Retirement System of the State of Kentucky | 14,769 | $718.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 14,284 | $694.9K | 0.00% | +158+1.1% | Added |
| Oregon Public Employees Retirement Fund | 13,614 | $662.3K | 0.01% | 00.0% | Unchanged |
| Cetera Investment Advisers | 13,496 | $656.6K | 0.00% | −218−1.6% | Reduced |
| Virtue Capital Management, LLC | 13,428 | $653.3K | 0.09% | −4,150−23.6% | Reduced |
| Cullen Capital Management LLC | 13,060 | $635.4K | 0.01% | −19−0.1% | Reduced |
| Farmers & Merchants Trust Co of Long Beach | 13,000 | $632.5K | 0.14% | 00.0% | Unchanged |
| Royal Bank of Canada | 12,899 | $627.0K | 0.00% | +1,693+15.1% | Added |
| Ethic Inc. | 12,749 | $620.3K | 0.01% | −1,723−11.9% | Reduced |
| Atria Investments LLC | 12,429 | $604.6K | 0.01% | −650−5.0% | Reduced |
| Commonwealth Equity Services, LLC | 12,402 | $603.4K | 0.00% | −1,943−13.5% | Reduced |
| Public Employees Retirement System of Ohio | 12,018 | $584.7K | 0.00% | +97+0.8% | Added |
| D.A. Davidson & Co. | 11,232 | $546.4K | 0.00% | +338+3.1% | Added |
| Pictet Asset Management Holding SA | 11,184 | $544.1K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 11,133 | $541.6K | 0.00% | −38,440−77.5% | Reduced |
| Intech Investment Management LLC | 10,905 | $530.5K | 0.00% | −2,935−21.2% | Reduced |
| Daiwa Securities Group Inc. | 10,852 | $528.0K | 0.00% | +198+1.9% | Added |
| Perigon Wealth Management, LLC | 10,518 | $511.7K | 0.01% | −174−1.6% | Reduced |
| Natixis Advisors, L.P. | 10,432 | $507.0K | 0.00% | +297+2.9% | Added |
| Clean Yield Group | 9,835 | $478.5K | 0.12% | −300−3.0% | Reduced |
| Resona Asset Management Co.,Ltd. | 9,766 | $475.1K | 0.00% | −593−5.7% | Reduced |
| Fox Run Management, L.L.C. | 9,536 | $463.9K | 0.08% | +4,647+95.1% | Added |
| SRS Capital Advisors, Inc. | 8,975 | $436.6K | 0.00% | +8,610+2,358.9% | Added |
| Pathstone Holdings, LLC | 8,956 | $435.4K | 0.00% | +954+11.9% | Added |
| Sovereign Financial Group, Inc. | 8,747 | $425.6K | 0.07% | −41−0.5% | Reduced |
| Two Sigma Investments, LP | 8,609 | $418.8K | 0.00% | −68,367−88.8% | Reduced |
| Squarepoint Ops LLC | 8,527 | $414.8K | 0.00% | −40,489−82.6% | Reduced |
| Jain Global LLC | 8,321 | $404.8K | 0.00% | +8,321 | New |
| Glenmede Trust Co NA | 8,175 | $397.7K | 0.00% | +629+8.3% | Added |
| Wedbush Securities Inc | 8,100 | $394.0K | 0.01% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 8,012 | $389.8K | 0.00% | −18,740−70.1% | Reduced |
| Catalyst Funds Management Pty Ltd | 7,980 | $388.2K | 0.02% | +7,980 | New |
| CenterBook Partners LP | 7,978 | $388.1K | 0.02% | −12,785−61.6% | Reduced |
| Green Alpha Advisors, LLC | 7,830 | $380.9K | 0.26% | −13−0.2% | Reduced |
| Public Employees Retirement Association of Colorado | 7,737 | $376.0K | 0.00% | 00.0% | Unchanged |
| Everence Capital Management Inc | 7,671 | $373.0K | 0.02% | 00.0% | Unchanged |
| Spirit of America Management Corp | 7,650 | $372.2K | 0.07% | +500+7.0% | Added |
| Blackhill Capital Inc | 7,600 | $369.7K | 0.02% | 00.0% | Unchanged |
| Sound Income Strategies, LLC | 7,210 | $350.8K | 0.02% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 7,199 | $350.3K | 0.00% | −18−0.2% | Reduced |
| Clear Street Markets LLC | 7,134 | $347.1K | 0.07% | +7,134 | New |
| JustInvest LLC | 7,118 | $346.3K | 0.00% | −77−1.1% | Reduced |
| Wealth Architects, LLC | 7,032 | $342.1K | 0.03% | +277+4.1% | Added |
| Xponance, Inc. | 6,943 | $337.8K | 0.00% | +438+6.7% | Added |
| Canada Pension Plan Investment Board | 6,900 | $335.7K | 0.00% | −25,800−78.9% | Reduced |
| Ketron Financial | 6,900 | $335.7K | 0.10% | 00.0% | Unchanged |
| Mutual of America Capital Management LLC | 6,855 | $333.5K | 0.00% | +35+0.5% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 6,830 | $332.3K | 0.00% | 00.0% | Unchanged |
| Hutchinson Capital Management | 6,789 | $330.3K | 0.06% | +177+2.7% | Added |
| Maple Capital Management, Inc. | 6,667 | $324.4K | 0.02% | 00.0% | Unchanged |