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 2021
Institutional positions in California Water Service Group as of Dec 31, 2021. 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
- 307
- +41 vs. Q3 2021
- Shares held
- 41.2M
- +700.8K (+1.7%) vs. Q3 2021
- Total value
- $2.96B
- +$571.5M (+23.9%) vs. Q3 2021
- New holders
- 62
- 102 more added
- Sold out
- 21
- 89 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding California Water Service Group; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 9,468,858 | $680.4M | 0.02% | +625,425+7.1% | Added |
| Vanguard Group Inc | 6,242,029 | $448.6M | 0.01% | +170,719+2.8% | Added |
| State Street Corp | 3,995,363 | $287.1M | 0.01% | −189,980−4.5% | Reduced |
| Price T Rowe Associates Inc | 2,265,223 | $162.8M | 0.01% | −84,967−3.6% | Reduced |
| Impax Asset Management Group plc | 1,819,254 | $130.7M | 0.48% | −129,446−6.6% | Reduced |
| Pictet Asset Management SA | 1,420,289 | $102.1M | 0.10% | +38,227+2.8% | Added |
| Invesco Ltd. | 1,414,270 | $101.6M | 0.02% | +81,975+6.2% | Added |
| Dimensional Fund Advisors LP | 1,225,541 | $88.1M | 0.03% | −32,842−2.6% | Reduced |
| Northern Trust Corp | 934,775 | $67.2M | 0.01% | +21,649+2.4% | Added |
| Geode Capital Management, LLC | 879,479 | $63.2M | 0.01% | +15,938+1.8% | Added |
| Nuance Investments, LLC | 702,550 | $50.5M | 0.89% | −225,483−24.3% | Reduced |
| Bank of New York Mellon Corp | 688,761 | $49.5M | 0.01% | −103,355−13.0% | Reduced |
| Legal & General Group Plc | 565,841 | $40.7M | 0.01% | +40,429+7.7% | Added |
| First Trust Advisors LP | 537,050 | $38.6M | 0.04% | +76,195+16.5% | Added |
| KBC Group NV | 479,457 | $34.5M | 0.11% | +12,223+2.6% | Added |
| Charles Schwab Investment Management Inc | 453,173 | $32.6M | 0.01% | +14,532+3.3% | Added |
| Norges Bank | 436,640 | $31.4M | 0.01% | +21,000+5.1% | Added |
| Principal Financial Group Inc | 424,108 | $30.5M | 0.02% | −30,221−6.7% | Reduced |
| Morgan Stanley | 391,872 | $28.2M | 0.00% | −1,503−0.4% | Reduced |
| Personal Capital Advisors Corp | 315,313 | $22.7M | 0.10% | +2,876+0.9% | Added |
| Granite Investment Partners, LLC | 287,882 | $20.7M | 0.60% | +11,842+4.3% | Added |
| Ameriprise Financial Inc | 231,274 | $16.6M | 0.00% | −22,431−8.8% | Reduced |
| Goldman Sachs Group Inc | 225,379 | $16.2M | 0.00% | +103,075+84.3% | Added |
| Nuveen Asset Management, LLC | 193,760 | $13.9M | 0.00% | −18,011−8.5% | Reduced |
| Credit Suisse AG | 180,869 | $13.0M | 0.01% | +135,027+294.5% | Added |
| ProShare Advisors LLC | 163,386 | $11.7M | 0.02% | +4,855+3.1% | Added |
| Parametric Portfolio Associates LLC | 158,459 | $11.4M | 0.01% | −946−0.6% | Reduced |
| Deutsche Bank AG | 150,367 | $10.8M | 0.00% | +17,168+12.9% | Added |
| Bank of America Corp | 147,803 | $10.6M | 0.00% | −13,985−8.6% | Reduced |
| Rhumbline Advisers | 144,482 | $10.4M | 0.01% | +2,501+1.8% | Added |
| Marshall Wace, LLP | 118,167 | $8.49M | 0.02% | −63,341−34.9% | Reduced |
| Swiss National Bank | 113,400 | $8.15M | 0.00% | +1,100+1.0% | Added |
| TD Asset Management Inc | 111,362 | $8.00M | 0.01% | +32,210+40.7% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 109,967 | $7.85M | 0.04% | +79,567+261.7% | Added |
| Public Sector Pension Investment Board | 107,152 | $7.70M | 0.04% | +3,280+3.2% | Added |
| Alliancebernstein L.P. | 104,302 | $7.50M | 0.00% | −5,500−5.0% | Reduced |
| Renaissance Technologies LLC | 103,400 | $7.43M | 0.01% | +56,100+118.6% | Added |
| Wells Fargo & Company | 98,278 | $7.06M | 0.00% | −55,699−36.2% | Reduced |
| UBS Asset Management Americas Inc | 86,056 | $6.18M | 0.00% | +8,763+11.3% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 81,727 | $5.87M | 0.06% | +1,560+1.9% | Added |
| Allspring Global Investments Holdings, LLC | 80,351 | $5.77M | 0.01% | +80,351 | New |
| Raymond James & Associates | 78,878 | $5.67M | 0.00% | −11,725−12.9% | Reduced |
| JPMorgan Chase & Co | 73,576 | $5.29M | 0.00% | −5,550−7.0% | Reduced |
| Great West Life Assurance Co | 73,246 | $5.25M | 0.01% | +1,231+1.7% | Added |
| BNP Paribas Arbitrage, SA | 72,677 | $5.22M | 0.01% | −20,059−21.6% | Reduced |
| California State Teachers Retirement System | 72,220 | $5.19M | 0.01% | +3,003+4.3% | Added |
| Barclays PLC | 70,891 | $5.09M | 0.00% | +17,806+33.5% | Added |
| Northstar Asset Management Inc | 67,091 | $4.82M | 1.21% | +1,667+2.5% | Added |
| Clear Harbor Asset Management, LLC | 65,864 | $4.73M | 0.52% | −950−1.4% | Reduced |
| New York State Common Retirement Fund | 63,586 | $4.57M | 0.00% | −121−0.2% | Reduced |
| New York State Teachers Retirement System | 57,842 | $4.16M | 0.01% | +400+0.7% | Added |
| Assenagon Asset Management S.A. | 57,266 | $4.12M | 0.02% | +39,960+230.9% | Added |
| Financial Counselors Inc | 56,756 | $4.08M | 0.08% | −1,287−2.2% | Reduced |
| Prudential Financial Inc | 55,845 | $4.01M | 0.00% | +395+0.7% | Added |
| UBS Group AG | 52,637 | $3.78M | 0.00% | +16,963+47.6% | Added |
| First National Corp | 51,571 | $3.71M | 0.83% | +2,073+4.2% | Added |
| Comerica Bank | 59,359 | $3.65M | 0.03% | −1,315−2.2% | Reduced |
| Envestnet Asset Management Inc | 49,775 | $3.58M | 0.00% | +126+0.3% | Added |
| NFJ Investment Group, LLC | 49,379 | $3.55M | 0.06% | −2,119−4.1% | Reduced |
| Magellan Asset Management Ltd | 49,257 | $3.54M | 0.01% | +3,161+6.9% | Added |
| Mercer Global Advisors Inc | 48,812 | $3.51M | 0.02% | +3,683+8.2% | Added |
| Yousif Capital Management, LLC | 47,997 | $3.45M | 0.04% | +47,997 | New |
| Storebrand Asset Management AS | 46,986 | $3.38M | 0.02% | −40,194−46.1% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 43,723 | $3.14M | 0.01% | +1,997+4.8% | Added |
| Gabelli Funds LLC | 43,600 | $3.13M | 0.02% | −800−1.8% | Reduced |
| Aptus Capital Advisors, LLC | 42,923 | $3.08M | 0.10% | +8,190+23.6% | Added |
| Thrivent Financial for Lutherans | 42,813 | $3.08M | 0.01% | +1,157+2.8% | Added |
| State of New Jersey Common Pension Fund D | 41,851 | $3.01M | 0.01% | +610+1.5% | Added |
| Citigroup Inc | 41,795 | $3.00M | 0.00% | +3,226+8.4% | Added |
| Texas Permanent School Fund | 38,095 | $2.74M | 0.03% | −27−0.1% | Reduced |
| Bank of Montreal | 37,457 | $2.68M | 0.00% | −396−1.0% | Reduced |
| State of Alaska, Department of Revenue | 37,248 | $2.68M | 0.03% | −315−0.8% | Reduced |
| Walleye Capital LLC | 36,967 | $2.66M | 0.09% | +36,967 | New |
| Citadel Advisors LLC | 36,853 | $2.65M | 0.00% | +36,853 | New |
| Martingale Asset Management L P | 36,319 | $2.61M | 0.03% | +2,052+6.0% | Added |
| Nia Impact Advisors, LLC | 39,968 | $2.33M | 1.24% | −3,108−7.2% | Reduced |
| American International Group, Inc. | 31,975 | $2.30M | 0.01% | −355−1.1% | Reduced |
| Lazard Asset Management LLC | 31,377 | $2.25M | 0.00% | −542−1.7% | Reduced |
| AlphaCrest Capital Management LLC | 30,623 | $2.20M | 0.08% | +16,605+118.5% | Added |
| PDT Partners, LLC | 29,966 | $2.15M | 0.16% | 00.0% | Unchanged |
| AQR Capital Management LLC | 28,247 | $2.03M | 0.00% | +28,247 | New |
| Manufacturers Life Insurance Company, The | 25,994 | $1.87M | 0.00% | +70.0% | Added |
| SG Americas Securities, LLC | 25,806 | $1.85M | 0.01% | −77,603−75.0% | Reduced |
| Private Advisor Group, LLC | 25,751 | $1.85M | 0.01% | −28−0.1% | Reduced |
| Louisiana State Employees Retirement System | 25,500 | $1.83M | 0.04% | +700+2.8% | Added |
| Putnam Investments LLC | 25,472 | $1.83M | 0.00% | +25,472 | New |
| Bridge City Capital, LLC | 25,385 | $1.82M | 0.75% | −60.0% | Reduced |
| Amalgamated Bank | 24,721 | $1.78M | 0.01% | −121−0.5% | Reduced |
| Teton Advisors, Inc. | 23,800 | $1.71M | 0.25% | −500−2.1% | Reduced |
| Canada Pension Plan Investment Board | 23,100 | $1.66M | 0.00% | +23,100 | New |
| AMP Capital Investors Ltd | 23,066 | $1.66M | 0.05% | −22,377−49.2% | Reduced |
| Wulff, Hansen & Co. | 22,865 | $1.64M | 1.42% | +22,865 | New |
| Cubist Systematic Strategies, LLC | 22,240 | $1.60M | 0.02% | +1,822+8.9% | Added |
| Hoylecohen, LLC | 21,580 | $1.55M | 0.13% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 20,973 | $1.51M | 0.04% | +755+3.7% | Added |
| AXA S.A. | 20,800 | $1.50M | 0.00% | −2,500−10.7% | Reduced |
| Independent Advisor Alliance | 20,460 | $1.47M | 0.07% | −532−2.5% | Reduced |
| State Board of Administration of Florida Retirement System | 20,250 | $1.46M | 0.00% | −1,880−8.5% | Reduced |
| Voya Investment Management LLC | 20,085 | $1.44M | 0.00% | −86−0.4% | Reduced |
| Oregon Public Employees Retirement Fund | 19,723 | $1.42M | 0.02% | −1,000−4.8% | Reduced |