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, Q1 2024
Institutional positions in California Water Service Group as of Mar 31, 2024. 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
- 275
- −6 vs. Q4 2023
- Shares held
- 48.8M
- +1.13M (+2.4%) vs. Q4 2023
- Total value
- $2.27B
- −$203.7M (−8.2%) vs. Q4 2023
- New holders
- 31
- 98 more added
- Sold out
- 37
- 97 more reduced
4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding California Water Service Group; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mariner, LLC | 43,263 | $2.01M | 0.00% | +14,616+51.0% | Added |
| Citigroup Inc | 43,947 | $2.04M | 0.00% | +8,995+25.7% | Added |
| BNP Paribas Arbitrage, SA | 46,440 | $2.16M | 0.00% | +2,794+6.4% | Added |
| Thrivent Financial for Lutherans | 50,065 | $2.33M | 0.00% | −1,360−2.6% | Reduced |
| Texas Permanent School Fund | 50,508 | $2.35M | 0.02% | +654+1.3% | Added |
| Envestnet Asset Management Inc | 51,193 | $2.38M | 0.00% | +93+0.2% | Added |
| TD Asset Management Inc | 51,710 | $2.40M | 0.00% | −29,930−36.7% | Reduced |
| Mercer Global Advisors Inc | 53,619 | $2.49M | 0.01% | +1,436+2.8% | Added |
| American Century Companies Inc | 55,231 | $2.57M | 0.00% | +55,231 | New |
| Davy Global Fund Management Ltd | 55,721 | $2.59M | 0.29% | +7,857+16.4% | Added |
| New York State Common Retirement Fund | 56,319 | $2.62M | 0.00% | −120.0% | Reduced |
| Financial Counselors Inc | 56,680 | $2.63M | 0.04% | −70−0.1% | Reduced |
| New York State Teachers Retirement System | 57,342 | $2.67M | 0.01% | −100−0.2% | Reduced |
| California State Teachers Retirement System | 57,724 | $2.68M | 0.00% | −3,166−5.2% | Reduced |
| Clear Harbor Asset Management, LLC | 59,681 | $2.77M | 0.24% | −1,500−2.5% | Reduced |
| Citadel Advisors LLC | 61,258 | $2.85M | 0.00% | +61,258 | New |
| State of New Jersey Common Pension Fund D | 61,358 | $2.85M | 0.01% | +12,041+24.4% | Added |
| Voloridge Investment Management, LLC | 63,068 | $2.93M | 0.01% | +29,891+90.1% | Added |
| Credit Suisse AG | 64,705 | $3.01M | 0.00% | +1,799+2.9% | Added |
| Alliancebernstein L.P. | 64,982 | $3.02M | 0.00% | −12,982−16.7% | Reduced |
| Wells Fargo & Company | 65,116 | $3.03M | 0.00% | +8,103+14.2% | Added |
| Maryland State Retirement & Pension System | 70,104 | $3.08M | 0.06% | +529+0.8% | Added |
| Storebrand Asset Management AS | 67,975 | $3.16M | 0.01% | +506+0.7% | Added |
| Aptus Capital Advisors, LLC | 70,686 | $3.29M | 0.07% | +7,495+11.9% | Added |
| NFJ Investment Group, LLC | 79,199 | $3.68M | 0.10% | +4,023+5.4% | Added |
| Prudential Financial Inc | 81,024 | $3.77M | 0.01% | +14,840+22.4% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 81,997 | $3.81M | 0.16% | +19,365+30.9% | Added |
| Barclays PLC | 82,122 | $3.82M | 0.00% | −20,385−19.9% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 83,373 | $3.88M | 0.01% | +3,387+4.2% | Added |
| Price T Rowe Associates Inc | 85,049 | $3.95M | 0.00% | +1,495+1.8% | Added |
| Northstar Asset Management Inc | 94,747 | $4.40M | 0.77% | +17,786+23.1% | Added |
| UBS Group AG | 98,729 | $4.59M | 0.00% | +19,522+24.6% | Added |
| Deutsche Bank AG | 106,286 | $4.94M | 0.00% | +2,690+2.6% | Added |
| Swiss National Bank | 113,700 | $5.28M | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 114,769 | $5.33M | 0.04% | +7,116+6.6% | Added |
| Public Sector Pension Investment Board | 118,293 | $5.50M | 0.04% | −1,470−1.2% | Reduced |
| Great West Life Assurance Co | 123,408 | $5.74M | 0.01% | +8,112+7.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 140,084 | $6.51M | 0.02% | −43,932−23.9% | Reduced |
| Renaissance Technologies LLC | 145,900 | $6.78M | 0.01% | +104,850+255.4% | Added |
| UBS Asset Management Americas Inc | 158,737 | $7.38M | 0.00% | +26,786+20.3% | Added |
| Zimmer Partners, LP | 171,195 | $7.96M | 0.17% | +171,195 | New |
| Thematics Asset Management | 172,470 | $8.02M | 0.33% | +12,000+7.5% | Added |
| Bank of America Corp | 173,735 | $8.08M | 0.00% | +9,822+6.0% | Added |
| Cbre Clarion Securities LLC | 177,225 | $8.24M | 0.15% | +177,225 | New |
| Nuveen Asset Management, LLC | 178,591 | $8.30M | 0.00% | −1,787−1.0% | Reduced |
| Ameriprise Financial Inc | 180,761 | $8.40M | 0.00% | −10,310−5.4% | Reduced |
| ProShare Advisors LLC | 182,576 | $8.49M | 0.02% | +18,388+11.2% | Added |
| Goldman Sachs Group Inc | 188,379 | $8.76M | 0.00% | +29,167+18.3% | Added |
| Russell Investments Group, Ltd. | 194,093 | $9.02M | 0.01% | +31,522+19.4% | Added |
| Rhumbline Advisers | 214,207 | $9.96M | 0.01% | +2,845+1.3% | Added |
| JPMorgan Chase & Co | 225,024 | $10.5M | 0.00% | +42,684+23.4% | Added |
| Raymond James & Associates | 248,859 | $11.6M | 0.01% | +68,686+38.1% | Added |
| Victory Capital Management Inc | 295,628 | $13.7M | 0.01% | +18,428+6.6% | Added |
| Principal Financial Group Inc | 300,009 | $13.9M | 0.01% | −16,044−5.1% | Reduced |
| Granite Investment Partners, LLC | 302,204 | $14.0M | 0.53% | −11,321−3.6% | Reduced |
| Triodos Investment Management BV | 448,000 | $20.8M | 1.88% | +448,000 | New |
| Bank of New York Mellon Corp | 561,532 | $26.1M | 0.01% | −60,024−9.7% | Reduced |
| Norges Bank | 581,016 | $27.0M | 0.00% | +29,366+5.3% | Added |
| Legal & General Group Plc | 620,338 | $28.8M | 0.01% | +23,403+3.9% | Added |
| Charles Schwab Investment Management Inc | 641,825 | $29.8M | 0.01% | +28,244+4.6% | Added |
| Deprince Race & Zollo Inc | 673,907 | $31.3M | 0.67% | +3,310+0.5% | Added |
| KBC Group NV | 702,993 | $32.7M | 0.10% | +48,732+7.4% | Added |
| First Trust Advisors LP | 723,751 | $33.6M | 0.03% | +101,927+16.4% | Added |
| Morgan Stanley | 733,221 | $34.1M | 0.00% | −7,724−1.0% | Reduced |
| Impax Asset Management Group plc | 861,344 | $40.0M | 0.15% | −709,427−45.2% | Reduced |
| Northern Trust Corp | 984,820 | $45.8M | 0.01% | +21,208+2.2% | Added |
| Invesco Ltd. | 990,840 | $46.1M | 0.01% | +116,366+13.3% | Added |
| Dimensional Fund Advisors LP | 1,263,029 | $58.7M | 0.02% | +13,979+1.1% | Added |
| Geode Capital Management, LLC | 1,263,454 | $58.7M | 0.01% | +34,380+2.8% | Added |
| Amundi | 1,990,028 | $91.8M | 0.04% | +340,807+20.7% | Added |
| Nuance Investments, LLC | 3,013,749 | $140.1M | 3.67% | +872,865+40.8% | Added |
| T. Rowe Price Investment Management, Inc. | 3,199,034 | $148.7M | 0.09% | +290,497+10.0% | Added |
| State Street Corp | 3,454,324 | $160.6M | 0.01% | +22,022+0.6% | Added |
| Vanguard Group Inc | 7,198,981 | $334.6M | 0.01% | +232,344+3.3% | Added |
| BlackRock Inc. | 10,734,480 | $498.9M | 0.01% | +46,697+0.4% | Added |
| Millennium Management LLC | 0 | $0 | 0.00% | −39,575−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −39,079−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −27,713−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −25,181−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −21,863−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −20,702−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −18,588−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −18,151−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −15,008−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −14,544−100.0% | Sold out |
| Natixis Advisors, L.P. | 0 | $0 | 0.00% | −14,044−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −9,934−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −6,638−100.0% | Sold out |
| Cetera Advisor Networks LLC | 0 | $0 | 0.00% | −6,287−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −5,979−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −5,539−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −5,538−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −4,474−100.0% | Sold out |
| CIBC Asset Management Inc | 0 | $0 | 0.00% | −4,111−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −4,016−100.0% | Sold out |
| Stewart & Patten Co LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Delta Investment Management, LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Old Port Advisors | 0 | $0 | 0.00% | −3,909−100.0% | Sold out |
| Boston Family Office LLC | 0 | $0 | 0.00% | −3,865−100.0% | Sold out |
| Point72 Europe (London) LLP | 0 | $0 | 0.00% | −1,870−100.0% | Sold out |