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 |
|---|---|---|---|---|---|
| Amalgamated Bank | 16,101 | $783.0K | 0.01% | −1,062−6.2% | Reduced |
| Arizona State Retirement System | 16,457 | $800.6K | 0.00% | +77+0.5% | Added |
| State Board of Administration of Florida Retirement System | 16,459 | $800.7K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 16,700 | $812.5K | 0.00% | +2,500+17.6% | Added |
| Canvas Wealth Advisors, LLC | 17,079 | $830.9K | 0.12% | −5,545−24.5% | Reduced |
| Captrust Financial Advisors | 17,143 | $834.0K | 0.00% | +6,096+55.2% | Added |
| Police & Firemen's Retirement System of New Jersey | 17,948 | $873.2K | 0.01% | +1,267+7.6% | Added |
| Alps Advisors Inc | 18,598 | $904.8K | 0.00% | +563+3.1% | Added |
| Wulff, Hansen & Co. | 19,215 | $934.8K | 0.72% | −160−0.8% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 19,499 | $948.6K | 0.00% | +19,499 | New |
| Teton Advisors, LLC | 20,060 | $975.9K | 0.56% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 20,037 | $982.6K | 0.00% | +677+3.5% | Added |
| Quadrature Capital Ltd | 21,277 | $1.04M | 0.01% | +10,753+102.2% | Added |
| State of Tennessee, Treasury Department | 21,455 | $1.04M | 0.00% | +8,920+71.2% | Added |
| State of Alaska, Department of Revenue | 21,518 | $1.04M | 0.01% | −9,705−31.1% | Reduced |
| Quantinno Capital Management LP | 21,708 | $1.06M | 0.00% | +6,813+45.7% | Added |
| Handelsbanken Fonder AB | 22,716 | $1.10M | 0.00% | 00.0% | Unchanged |
| Elo Mutual Pension Insurance Co | 22,854 | $1.11M | 0.01% | −3,245−12.4% | Reduced |
| Vanguard Global Advisers, LLC | 23,104 | $1.12M | 0.00% | −2,732−10.6% | Reduced |
| LPL Financial LLC | 23,265 | $1.13M | 0.00% | +373+1.6% | Added |
| SEB Asset Management AB | 23,605 | $1.15M | 0.00% | +23,605 | New |
| Dockside LLC | 23,624 | $1.15M | 0.27% | +23,624 | New |
| Bank of Montreal | 24,091 | $1.17M | 0.00% | +1,950+8.8% | Added |
| Mercer Global Advisors Inc | 24,355 | $1.18M | 0.00% | +11,688+92.3% | Added |
| Rodgers Brothers Inc. | 25,075 | $1.22M | 0.12% | −24,950−49.9% | Reduced |
| Van Eck Associates Corp | 25,289 | $1.23M | 0.00% | +1,173+4.9% | Added |
| Jupiter Topco LLC | 25,873 | $1.26M | 0.00% | +25,873 | New |
| Louisiana State Employees Retirement System | 26,200 | $1.27M | 0.02% | −200−0.8% | Reduced |
| HighTower Advisors, LLC | 26,233 | $1.28M | 0.00% | −1,619−5.8% | Reduced |
| Davy Global Fund Management Ltd | 26,617 | $1.29M | 0.08% | +2,349+9.7% | Added |
| Wealth Enhancement Advisory Services, LLC | 26,053 | $1.30M | 0.00% | +15,608+149.4% | Added |
| Creative Planning | 27,434 | $1.33M | 0.00% | +9,194+50.4% | Added |
| Allworth Financial LP | 28,115 | $1.37M | 0.01% | +1,850+7.0% | Added |
| Arjuna Capital | 28,258 | $1.37M | 0.31% | −380−1.3% | Reduced |
| Manufacturers Life Insurance Company, The | 28,929 | $1.41M | 0.00% | +2,546+9.7% | Added |
| State of New Jersey Common Pension Fund D | 29,256 | $1.42M | 0.00% | −19,422−39.9% | Reduced |
| Illinois Municipal Retirement Fund | 30,096 | $1.46M | 0.02% | −607−2.0% | Reduced |
| Freestone Grove Partners LP | 31,950 | $1.55M | 0.01% | +11,426+55.7% | Added |
| Russell Investments Group, Ltd. | 32,499 | $1.58M | 0.00% | +27,330+528.7% | Added |
| New York State Common Retirement Fund | 32,944 | $1.60M | 0.00% | +2,400+7.9% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 33,501 | $1.63M | 0.05% | −18,305−35.3% | Reduced |
| South Dakota Investment Council | 33,989 | $1.65M | 0.03% | −726−2.1% | Reduced |
| Voya Investment Management LLC | 34,602 | $1.68M | 0.00% | +1,180+3.5% | Added |
| Citigroup Inc | 35,113 | $1.71M | 0.00% | +21,264+153.5% | Added |
| MetLife Investment Management | 35,383 | $1.72M | 0.01% | +2,308+7.0% | Added |
| BNP Paribas Arbitrage, SA | 35,731 | $1.74M | 0.00% | +13,246+58.9% | Added |
| Bridge City Capital, LLC | 37,553 | $1.83M | 0.42% | −739−1.9% | Reduced |
| Cerity Partners LLC | 38,046 | $1.85M | 0.00% | +18,930+99.0% | Added |
| Vontobel Holding Ltd. | 40,289 | $1.96M | 0.01% | +144+0.4% | Added |
| Fifth Third Bancorp | 40,353 | $1.96M | 0.00% | +10,469+35.0% | Added |
| SEI Investments Co | 41,171 | $2.00M | 0.00% | −11,712−22.1% | Reduced |
| CoreCommodity Management, LLC | 42,138 | $2.05M | 0.41% | +13,577+47.5% | Added |
| Assenagon Asset Management S.A. | 42,371 | $2.06M | 0.00% | +42,371 | New |
| SG Americas Securities, LLC | 43,334 | $2.11M | 0.00% | −1,001−2.3% | Reduced |
| Ilex Capital Partners (UK) LLP | 44,898 | $2.18M | 0.04% | +44,898 | New |
| Colony Group, LLC | 45,014 | $2.19M | 0.00% | +16,834+59.7% | Added |
| Vanguard Investments Australia, Ltd. | 45,697 | $2.22M | 0.01% | +1,164+2.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 46,062 | $2.24M | 0.00% | −1,105−2.3% | Reduced |
| Macquarie Group Ltd | 46,609 | $2.27M | 0.01% | −6,836−12.8% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 47,918 | $2.33M | 0.00% | +934+2.0% | Added |
| Northstar Asset Management Inc | 48,193 | $2.34M | 0.69% | −11,788−19.7% | Reduced |
| Mackenzie Financial Corp | 48,813 | $2.37M | 0.00% | +7,773+18.9% | Added |
| Clear Harbor Asset Management, LLC | 49,211 | $2.39M | 0.15% | −100−0.2% | Reduced |
| Storebrand Asset Management AS | 51,054 | $2.48M | 0.01% | +1,889+3.8% | Added |
| Kennedy Capital Management, Inc. | 51,638 | $2.51M | 0.04% | +19,868+62.5% | Added |
| Midwest Trust Co | 52,002 | $2.53M | 0.03% | −831−1.6% | Reduced |
| Exchange Traded Concepts, LLC | 54,088 | $2.63M | 0.01% | +1,276+2.4% | Added |
| Kornitzer Capital Management Inc | 55,000 | $2.68M | 0.06% | +12,500+29.4% | Added |
| TD Asset Management Inc | 55,194 | $2.69M | 0.00% | −2,844−4.9% | Reduced |
| Vanguard Asset Management, Ltd | 55,723 | $2.71M | 0.00% | 00.0% | Unchanged |
| Nordea Investment Management AB | 55,906 | $2.73M | 0.00% | +55,906 | New |
| Thrivent Financial for Lutherans | 59,888 | $2.91M | 0.00% | −472−0.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 59,973 | $2.92M | 0.01% | −6,516−9.8% | Reduced |
| Magellan Asset Management Ltd | 61,416 | $2.99M | 0.07% | 00.0% | Unchanged |
| Prudential Financial Inc | 62,258 | $3.03M | 0.00% | +705+1.1% | Added |
| Alliancebernstein L.P. | 66,805 | $3.03M | 0.00% | +989+1.5% | Added |
| XTX Topco Ltd | 62,648 | $3.05M | 0.04% | +43,269+223.3% | Added |
| Ieq Capital, LLC | 63,323 | $3.08M | 0.01% | +63,323 | New |
| Capital Fund Management S.A. | 63,767 | $3.10M | 0.02% | +26,440+70.8% | Added |
| New York State Teachers Retirement System | 63,983 | $3.11M | 0.01% | +957+1.5% | Added |
| Maryland State Retirement & Pension System | 64,872 | $3.16M | 0.05% | +3,092+5.0% | Added |
| California State Teachers Retirement System | 65,931 | $3.21M | 0.00% | +9,658+17.2% | Added |
| Franklin Resources Inc | 68,217 | $3.32M | 0.00% | +644+1.0% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 73,443 | $3.57M | 0.01% | +13,171+21.9% | Added |
| Wedge Capital Management L L P | 78,417 | $3.81M | 0.06% | +33,852+76.0% | Added |
| Wells Fargo & Company | 83,459 | $4.06M | 0.00% | +30,652+58.0% | Added |
| Nia Impact Advisors, LLC | 85,841 | $4.18M | 1.73% | +49,925+139.0% | Added |
| Sagefield Capital LP | 86,243 | $4.20M | 0.31% | +86,243 | New |
| Deutsche Bank AG | 88,732 | $4.32M | 0.00% | −6,685−7.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 95,623 | $4.65M | 0.02% | −10,337−9.8% | Reduced |
| Price T Rowe Associates Inc | 97,918 | $4.76M | 0.00% | +14,505+17.4% | Added |
| Crawford Investment Counsel Inc | 101,589 | $4.94M | 0.08% | −1,400−1.4% | Reduced |
| Great West Life Assurance Co | 105,326 | $5.12M | 0.01% | +10,769+11.4% | Added |
| Millennium Management LLC | 110,352 | $5.37M | 0.00% | +49,071+80.1% | Added |
| Martingale Asset Management L P | 114,662 | $5.58M | 0.13% | +10,682+10.3% | Added |
| Trexquant Investment LP | 119,479 | $5.81M | 0.04% | +32,880+38.0% | Added |
| Swiss National Bank | 119,700 | $5.82M | 0.00% | +2,200+1.9% | Added |
| Mariner, LLC | 122,186 | $5.94M | 0.01% | −16,045−11.6% | Reduced |
| Meiji Yasuda Asset Management Co Ltd. | 123,523 | $6.01M | 0.27% | −10,593−7.9% | Reduced |
| Ameriprise Financial Inc | 130,513 | $6.35M | 0.00% | −5,638−4.1% | Reduced |