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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10,369,218 | $471.6M | 0.01% | −613,299−5.6% | Reduced |
| Vanguard Group Inc | 7,376,519 | $335.5M | 0.01% | −6,944−0.1% | Reduced |
| T. Rowe Price Investment Management, Inc. | 3,276,416 | $149.0M | 0.09% | +246,631+8.1% | Added |
| State Street Corp | 3,183,337 | $144.8M | 0.01% | −80,198−2.5% | Reduced |
| Amundi | 1,907,169 | $91.4M | 0.03% | +16,346+0.9% | Added |
| Nuance Investments, LLC | 1,728,615 | $78.6M | 6.12% | −288,896−14.3% | Reduced |
| Geode Capital Management, LLC | 1,417,134 | $64.5M | 0.00% | +14,183+1.0% | Added |
| First Trust Advisors LP | 1,344,916 | $61.2M | 0.05% | −95,134−6.6% | Reduced |
| Dimensional Fund Advisors LP | 1,158,009 | $52.7M | 0.01% | −45,509−3.8% | Reduced |
| FMR LLC | 1,052,597 | $47.9M | 0.00% | +988,111+1,532.3% | Added |
| Invesco Ltd. | 920,715 | $41.9M | 0.01% | −64,426−6.5% | Reduced |
| Morgan Stanley | 859,496 | $39.1M | 0.00% | −85,852−9.1% | Reduced |
| Cbre Clarion Securities LLC | 751,987 | $34.2M | 0.52% | +51,423+7.3% | Added |
| Charles Schwab Investment Management Inc | 727,316 | $33.1M | 0.01% | +11,666+1.6% | Added |
| Northern Trust Corp | 713,382 | $32.4M | 0.00% | −259,095−26.6% | Reduced |
| Legal & General Group Plc | 706,366 | $32.1M | 0.01% | +45,155+6.8% | Added |
| Norges Bank | 676,286 | $30.8M | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 597,807 | $27.2M | 0.01% | −5,085−0.8% | Reduced |
| KBC Group NV | 563,334 | $25.6M | 0.07% | −627−0.1% | Reduced |
| Triodos Investment Management BV | 493,000 | $22.4M | 1.68% | 00.0% | Unchanged |
| Nuveen, LLC | 410,041 | $18.6M | 0.01% | −34,903−7.8% | Reduced |
| Beck Bode, LLC | 396,398 | $18.0M | 3.05% | +30,577+8.4% | Added |
| UBS Asset Management Americas Inc | 351,148 | $16.0M | 0.00% | +39,646+12.7% | Added |
| Raymond James Financial Inc | 332,962 | $15.1M | 0.01% | +17,277+5.5% | Added |
| Principal Financial Group Inc | 295,385 | $13.4M | 0.01% | −994−0.3% | Reduced |
| Renaissance Technologies LLC | 281,000 | $12.8M | 0.02% | +75,600+36.8% | Added |
| Victory Capital Management Inc | 270,638 | $12.3M | 0.01% | +15,406+6.0% | Added |
| JPMorgan Chase & Co | 241,618 | $11.0M | 0.00% | −15,534−6.0% | Reduced |
| Goldman Sachs Group Inc | 227,190 | $10.3M | 0.00% | −226,635−49.9% | Reduced |
| Public Sector Pension Investment Board | 203,126 | $9.24M | 0.04% | +14,521+7.7% | Added |
| Rhumbline Advisers | 188,900 | $8.59M | 0.01% | +1,080+0.6% | Added |
| Ameriprise Financial Inc | 176,496 | $8.03M | 0.00% | −6,255−3.4% | Reduced |
| UBS Group AG | 171,189 | $7.79M | 0.00% | +49,690+40.9% | Added |
| Bank of America Corp | 162,628 | $7.40M | 0.00% | +51,757+46.7% | Added |
| Aptus Capital Advisors, LLC | 154,865 | $7.04M | 0.07% | +13,980+9.9% | Added |
| Thematics Asset Management | 154,470 | $7.03M | 0.32% | 00.0% | Unchanged |
| ProShare Advisors LLC | 148,970 | $6.78M | 0.01% | −18,449−11.0% | Reduced |
| Price T Rowe Associates Inc | 148,154 | $6.74M | 0.00% | +89,847+154.1% | Added |
| Jane Street Group, LLC | 139,989 | $6.37M | 0.01% | +16,610+13.5% | Added |
| Barclays PLC | 137,511 | $6.25M | 0.00% | +28,416+26.0% | Added |
| Royal Bank of Canada | 128,524 | $5.85M | 0.00% | +103,076+405.0% | Added |
| Great West Life Assurance Co | 128,057 | $5.83M | 0.01% | +1,234+1.0% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 114,777 | $5.22M | 0.03% | +1,062+0.9% | Added |
| American Century Companies Inc | 114,629 | $5.21M | 0.00% | +10,426+10.0% | Added |
| Swiss National Bank | 113,600 | $5.17M | 0.00% | −1,700−1.5% | Reduced |
| Alliancebernstein L.P. | 109,205 | $4.97M | 0.00% | +8,839+8.8% | Added |
| New Age Alpha Advisors, LLC | 104,418 | $4.75M | 0.21% | −10,467−9.1% | Reduced |
| Northstar Asset Management Inc | 102,238 | $4.65M | 1.29% | +709+0.7% | Added |
| Adage Capital Partners GP, L.L.C. | 100,000 | $4.55M | 0.01% | +100,000 | New |
| Federated Hermes, Inc. | 97,170 | $4.42M | 0.01% | +48,697+100.5% | Added |
| Jupiter Asset Management Ltd | 93,546 | $4.25M | 0.04% | −19,135−17.0% | Reduced |
| Prudential Financial Inc | 90,620 | $4.12M | 0.01% | +5,791+6.8% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 90,031 | $4.09M | 0.20% | −10,811−10.7% | Reduced |
| Crawford Investment Counsel Inc | 85,549 | $3.89M | 0.07% | +85,549 | New |
| Dark Forest Capital Management LP | 84,013 | $3.82M | 0.15% | +84,013 | New |
| Trexquant Investment LP | 82,807 | $3.77M | 0.04% | +60,207+266.4% | Added |
| Martingale Asset Management L P | 82,078 | $3.73M | 0.09% | −867−1.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 80,088 | $3.64M | 0.01% | −6,291−7.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 78,182 | $3.56M | 0.00% | +50,172+179.1% | Added |
| Deutsche Bank AG | 76,923 | $3.50M | 0.00% | −36,146−32.0% | Reduced |
| Susquehanna International Group, LLP | 75,446 | $3.43M | 0.01% | −17,833−19.1% | Reduced |
| AQR Capital Management LLC | 73,592 | $3.35M | 0.00% | −41,388−36.0% | Reduced |
| Wells Fargo & Company | 71,813 | $3.27M | 0.00% | +5,019+7.5% | Added |
| Advisors Preferred, LLC | 69,577 | $3.23M | 0.53% | +69,577 | New |
| Maryland State Retirement & Pension System | 71,103 | $3.23M | 0.07% | +3,247+4.8% | Added |
| Mariner, LLC | 68,441 | $3.11M | 0.00% | +1,150+1.7% | Added |
| Thrivent Financial for Lutherans | 65,548 | $2.98M | 0.01% | −19,281−22.7% | Reduced |
| Arjuna Capital | 63,259 | $2.88M | 0.76% | −2,779−4.2% | Reduced |
| New York State Teachers Retirement System | 62,602 | $2.85M | 0.01% | +100+0.2% | Added |
| Citigroup Inc | 62,103 | $2.82M | 0.00% | −25,387−29.0% | Reduced |
| Citadel Advisors LLC | 61,963 | $2.82M | 0.00% | +28,104+83.0% | Added |
| Rodgers Brothers Inc. | 61,075 | $2.78M | 0.35% | +61,075 | New |
| Storebrand Asset Management AS | 59,590 | $2.71M | 0.01% | +392+0.7% | Added |
| Kennedy Capital Management, Inc. | 57,553 | $2.62M | 0.06% | −18,350−24.2% | Reduced |
| Midwest Trust Co | 55,331 | $2.52M | 0.03% | +55,331 | New |
| California State Teachers Retirement System | 54,416 | $2.47M | 0.00% | +278+0.5% | Added |
| Qube Research & Technologies Ltd | 54,257 | $2.47M | 0.00% | −145,402−72.8% | Reduced |
| TD Asset Management Inc | 51,888 | $2.36M | 0.00% | +7,692+17.4% | Added |
| Clear Harbor Asset Management, LLC | 50,985 | $2.32M | 0.17% | −325−0.6% | Reduced |
| Exchange Traded Concepts, LLC | 50,455 | $2.29M | 0.03% | +1,537+3.1% | Added |
| Davy Global Fund Management Ltd | 49,855 | $2.27M | 0.20% | +5,965+13.6% | Added |
| Envestnet Asset Management Inc | 48,207 | $2.19M | 0.00% | −1,305−2.6% | Reduced |
| Mercer Global Advisors Inc | 47,249 | $2.15M | 0.00% | +593+1.3% | Added |
| Allianz Asset Management GmbH | 46,425 | $2.11M | 0.00% | +10,643+29.7% | Added |
| Bridge City Capital, LLC | 45,650 | $2.08M | 0.58% | −648−1.4% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 45,631 | $2.08M | 0.00% | −1,710−3.6% | Reduced |
| Magellan Asset Management Ltd | 43,514 | $1.98M | 0.02% | −2,056−4.5% | Reduced |
| Gabelli Funds LLC | 43,200 | $1.96M | 0.01% | 00.0% | Unchanged |
| Oddo BHF Asset Management SAS | 41,685 | $1.90M | 0.07% | +41,685 | New |
| Macquarie Group Ltd | 41,163 | $1.87M | 0.00% | −2,751−6.3% | Reduced |
| Holocene Advisors, LP | 40,530 | $1.84M | 0.00% | +21,657+114.8% | Added |
| State of New Jersey Common Pension Fund D | 40,167 | $1.83M | 0.01% | −1,805−4.3% | Reduced |
| First National Corp | 38,366 | $1.74M | 0.35% | −10,787−21.9% | Reduced |
| BNP Paribas Arbitrage, SA | 37,000 | $1.68M | 0.00% | +20,262+121.1% | Added |
| Nia Impact Advisors, LLC | 36,992 | $1.68M | 0.58% | −295−0.8% | Reduced |
| Kovitz Investment Group Partners, LLC | 36,810 | $1.67M | 0.01% | −1,628−4.2% | Reduced |
| State of Wisconsin Investment Board | 36,454 | $1.66M | 0.00% | −2,868−7.3% | Reduced |
| CoreCommodity Management, LLC | 35,954 | $1.64M | 0.27% | −3,803−9.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 35,590 | $1.62M | 0.00% | −183−0.5% | Reduced |
| MetLife Investment Management | 35,498 | $1.61M | 0.01% | +699+2.0% | Added |