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, Q4 2023
Institutional positions in California Water Service Group as of Dec 31, 2023. 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
- 285
- +15 vs. Q3 2023
- Shares held
- 47.7M
- −89.7K (−0.2%) vs. Q3 2023
- Total value
- $2.47B
- +$211.4M (+9.3%) vs. Q3 2023
- New holders
- 43
- 85 more added
- Sold out
- 28
- 106 more reduced
3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding California Water Service Group; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 10,687,783 | $554.4M | 0.01% | +65,638+0.6% | Added |
| Vanguard Group Inc | 6,966,637 | $361.4M | 0.01% | −132,849−1.9% | Reduced |
| State Street Corp | 3,432,302 | $178.0M | 0.01% | +28,685+0.8% | Added |
| T. Rowe Price Investment Management, Inc. | 2,908,537 | $150.9M | 0.10% | +229,589+8.6% | Added |
| Nuance Investments, LLC | 2,140,884 | $111.0M | 2.54% | −34,896−1.6% | Reduced |
| Amundi | 1,649,221 | $84.5M | 0.04% | +41,463+2.6% | Added |
| Impax Asset Management Group plc | 1,570,771 | $81.5M | 0.33% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 1,249,050 | $64.8M | 0.02% | +10,993+0.9% | Added |
| Geode Capital Management, LLC | 1,229,074 | $63.8M | 0.01% | +58,471+5.0% | Added |
| Pictet Asset Management Holding SA | 1,014,181 | $52.6M | 0.06% | −68,470−6.3% | Reduced |
| Northern Trust Corp | 963,612 | $50.0M | 0.01% | −61,293−6.0% | Reduced |
| Invesco Ltd. | 874,474 | $45.4M | 0.01% | −221,840−20.2% | Reduced |
| Morgan Stanley | 740,945 | $38.4M | 0.00% | +14,500+2.0% | Added |
| Deprince Race & Zollo Inc | 670,597 | $34.8M | 0.79% | −13,127−1.9% | Reduced |
| KBC Group NV | 654,261 | $33.9M | 0.12% | 00.0% | Unchanged |
| First Trust Advisors LP | 621,824 | $32.3M | 0.04% | −4,105−0.7% | Reduced |
| Bank of New York Mellon Corp | 621,556 | $32.2M | 0.01% | −23,334−3.6% | Reduced |
| Charles Schwab Investment Management Inc | 613,581 | $31.8M | 0.01% | +32,053+5.5% | Added |
| Legal & General Group Plc | 596,935 | $31.0M | 0.01% | +21,242+3.7% | Added |
| Norges Bank | 551,650 | $28.6M | 0.00% | −24,423−4.2% | Reduced |
| Empower Advisory Group, LLC | 358,850 | $18.6M | 0.07% | +5,881+1.7% | Added |
| Principal Financial Group Inc | 316,053 | $16.4M | 0.01% | −5,056−1.6% | Reduced |
| Granite Investment Partners, LLC | 313,525 | $16.3M | 0.63% | −13,806−4.2% | Reduced |
| Victory Capital Management Inc | 277,200 | $14.4M | 0.02% | +145,820+111.0% | Added |
| Rhumbline Advisers | 211,362 | $11.0M | 0.01% | −1,051−0.5% | Reduced |
| Ameriprise Financial Inc | 191,071 | $9.91M | 0.00% | −8,891−4.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 184,016 | $9.54M | 0.04% | +163,160+782.3% | Added |
| JPMorgan Chase & Co | 182,340 | $9.46M | 0.00% | +65,057+55.5% | Added |
| Nuveen Asset Management, LLC | 180,378 | $9.36M | 0.00% | −43,212−19.3% | Reduced |
| Raymond James & Associates | 180,173 | $9.35M | 0.01% | +4,200+2.4% | Added |
| ProShare Advisors LLC | 164,188 | $8.52M | 0.03% | −11,072−6.3% | Reduced |
| Bank of America Corp | 163,913 | $8.50M | 0.00% | +22,653+16.0% | Added |
| Russell Investments Group, Ltd. | 162,571 | $8.43M | 0.02% | −70,642−30.3% | Reduced |
| Thematics Asset Management | 160,470 | $8.32M | 0.37% | −10,000−5.9% | Reduced |
| Goldman Sachs Group Inc | 159,212 | $8.26M | 0.00% | −36,772−18.8% | Reduced |
| UBS Asset Management Americas Inc | 131,951 | $6.84M | 0.00% | +3,825+3.0% | Added |
| Public Sector Pension Investment Board | 119,763 | $6.21M | 0.05% | +48,445+67.9% | Added |
| Great West Life Assurance Co | 115,296 | $5.95M | 0.01% | +3,365+3.0% | Added |
| Swiss National Bank | 113,700 | $5.90M | 0.00% | −9,400−7.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 107,653 | $5.58M | 0.04% | −25,427−19.1% | Reduced |
| Deutsche Bank AG | 103,596 | $5.37M | 0.00% | −7,085−6.4% | Reduced |
| Barclays PLC | 102,507 | $5.32M | 0.00% | +64,251+168.0% | Added |
| Jane Street Group, LLC | 87,420 | $4.53M | 0.01% | +81,379+1,347.1% | Added |
| Price T Rowe Associates Inc | 83,554 | $4.33M | 0.00% | +2,469+3.0% | Added |
| TD Asset Management Inc | 81,640 | $4.23M | 0.00% | −3,500−4.1% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 79,986 | $4.15M | 0.01% | +14,187+21.6% | Added |
| UBS Group AG | 79,207 | $4.11M | 0.00% | +10,925+16.0% | Added |
| Alliancebernstein L.P. | 77,964 | $4.04M | 0.00% | +2,187+2.9% | Added |
| Northstar Asset Management Inc | 76,961 | $3.99M | 1.15% | −208−0.3% | Reduced |
| NFJ Investment Group, LLC | 75,176 | $3.90M | 0.11% | −5,533−6.9% | Reduced |
| Maryland State Retirement & Pension System | 69,575 | $3.61M | 0.07% | +442+0.6% | Added |
| Storebrand Asset Management AS | 67,469 | $3.50M | 0.01% | −5,426−7.4% | Reduced |
| Prudential Financial Inc | 66,184 | $3.43M | 0.01% | −1,233−1.8% | Reduced |
| Aptus Capital Advisors, LLC | 63,191 | $3.28M | 0.10% | −702−1.1% | Reduced |
| Credit Suisse AG | 62,906 | $3.26M | 0.00% | +5,155+8.9% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 62,632 | $3.25M | 0.15% | −1,963−3.0% | Reduced |
| Clear Harbor Asset Management, LLC | 61,181 | $3.17M | 0.30% | −920−1.5% | Reduced |
| California State Teachers Retirement System | 60,890 | $3.16M | 0.00% | −1,367−2.2% | Reduced |
| New York State Teachers Retirement System | 57,442 | $2.98M | 0.01% | −5,547−8.8% | Reduced |
| Wells Fargo & Company | 57,013 | $2.96M | 0.00% | +4,451+8.5% | Added |
| Financial Counselors Inc | 56,750 | $2.94M | 0.05% | −250.0% | Reduced |
| New York State Common Retirement Fund | 56,331 | $2.92M | 0.00% | −304−0.5% | Reduced |
| Bank of Montreal | 52,184 | $2.75M | 0.00% | +2,654+5.4% | Added |
| Mercer Global Advisors Inc | 52,183 | $2.71M | 0.01% | −104−0.2% | Reduced |
| Thrivent Financial for Lutherans | 51,425 | $2.67M | 0.01% | −1,361−2.6% | Reduced |
| Envestnet Asset Management Inc | 51,100 | $2.65M | 0.00% | −608−1.2% | Reduced |
| Texas Permanent School Fund | 49,854 | $2.59M | 0.02% | +849+1.7% | Added |
| State of New Jersey Common Pension Fund D | 49,317 | $2.56M | 0.01% | 00.0% | Unchanged |
| Davy Global Fund Management Ltd | 47,864 | $2.48M | 0.29% | +24,923+108.6% | Added |
| BNP Paribas Arbitrage, SA | 43,646 | $2.26M | 0.00% | −3,857−8.1% | Reduced |
| Gabelli Funds LLC | 43,200 | $2.24M | 0.02% | 00.0% | Unchanged |
| CoreCommodity Management, LLC | 42,050 | $2.18M | 0.65% | +6,738+19.1% | Added |
| Renaissance Technologies LLC | 41,050 | $2.13M | 0.00% | −2,750−6.3% | Reduced |
| Millennium Management LLC | 39,575 | $2.05M | 0.00% | +5,936+17.6% | Added |
| Susquehanna International Group, LLP | 39,079 | $2.03M | 0.00% | −10,389−21.0% | Reduced |
| Royal Bank of Canada | 37,933 | $1.97M | 0.00% | +9,916+35.4% | Added |
| Martingale Asset Management L P | 37,348 | $1.94M | 0.04% | −223−0.6% | Reduced |
| Magellan Asset Management Ltd | 37,112 | $1.92M | 0.02% | −1,003−2.6% | Reduced |
| State of Alaska, Department of Revenue | 35,504 | $1.84M | 0.02% | −430−1.2% | Reduced |
| Citigroup Inc | 34,952 | $1.81M | 0.00% | +12,365+54.7% | Added |
| Voloridge Investment Management, LLC | 33,177 | $1.72M | 0.01% | −31,762−48.9% | Reduced |
| Macquarie Group Ltd | 32,694 | $1.70M | 0.00% | +4,549+16.2% | Added |
| Illinois Municipal Retirement Fund | 32,328 | $1.68M | 0.03% | −550−1.7% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 31,934 | $1.66M | 0.00% | +80+0.3% | Added |
| First National Corp | 31,927 | $1.66M | 0.41% | −3,041−8.7% | Reduced |
| American International Group, Inc. | 31,460 | $1.63M | 0.01% | −263−0.8% | Reduced |
| Comerica Bank | 31,410 | $1.63M | 0.01% | −75−0.2% | Reduced |
| MetLife Investment Management | 30,336 | $1.57M | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 30,154 | $1.56M | 0.02% | +29,357+3,683.4% | Added |
| Bridge City Capital, LLC | 29,021 | $1.51M | 0.58% | +3,349+13.0% | Added |
| Louisiana State Employees Retirement System | 28,900 | $1.50M | 0.03% | −500−1.7% | Reduced |
| Janus Henderson Group PLC | 28,893 | $1.50M | 0.00% | −2,945−9.2% | Reduced |
| Manufacturers Life Insurance Company, The | 28,726 | $1.49M | 0.00% | +24+0.1% | Added |
| Mariner, LLC | 28,647 | $1.49M | 0.00% | −3,953−12.1% | Reduced |
| Yousif Capital Management, LLC | 28,516 | $1.48M | 0.02% | −65−0.2% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 27,713 | $1.44M | 0.03% | +27,713 | New |
| Private Advisor Group, LLC | 27,582 | $1.43M | 0.01% | −405−1.4% | Reduced |
| Ensign Peak Advisors, Inc | 27,326 | $1.42M | 0.00% | +1,200+4.6% | Added |
| Advisor Group Holdings, Inc. | 27,092 | $1.40M | 0.00% | −2,074−7.1% | Reduced |
| Marshall Wace, LLP | 25,303 | $1.31M | 0.00% | −200,383−88.8% | Reduced |