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, Q3 2021
Institutional positions in California Water Service Group as of Sep 30, 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
- 268
- +20 vs. Q2 2021
- Shares held
- 40.7M
- +2.44M (+6.4%) vs. Q2 2021
- Total value
- $2.40B
- +$272.3M (+12.8%) vs. Q2 2021
- New holders
- 38
- 98 more added
- Sold out
- 18
- 75 more reduced
3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding California Water Service Group; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 8,843,433 | $521.1M | 0.01% | −120,626−1.3% | Reduced |
| Vanguard Group Inc | 6,071,310 | $357.8M | 0.01% | +136,100+2.3% | Added |
| State Street Corp | 4,185,343 | $246.6M | 0.01% | +234,752+5.9% | Added |
| Price T Rowe Associates Inc | 2,350,190 | $138.5M | 0.01% | +60,228+2.6% | Added |
| Impax Asset Management Group plc | 1,948,700 | $114.8M | 0.47% | +198,993+11.4% | Added |
| Pictet Asset Management SA | 1,382,062 | $81.4M | 0.09% | +1,382,062 | New |
| Invesco Ltd. | 1,332,295 | $78.5M | 0.02% | +42,582+3.3% | Added |
| Dimensional Fund Advisors LP | 1,258,383 | $74.2M | 0.02% | −14,060−1.1% | Reduced |
| Nuance Investments, LLC | 928,033 | $54.7M | 1.00% | −98,521−9.6% | Reduced |
| Northern Trust Corp | 913,126 | $53.8M | 0.01% | +75,401+9.0% | Added |
| Geode Capital Management, LLC | 863,541 | $50.9M | 0.01% | −5,917−0.7% | Reduced |
| Bank of New York Mellon Corp | 792,116 | $46.7M | 0.01% | +13,026+1.7% | Added |
| Legal & General Group Plc | 525,412 | $31.0M | 0.01% | +41,994+8.7% | Added |
| KBC Group NV | 467,234 | $27.5M | 0.10% | −14,644−3.0% | Reduced |
| First Trust Advisors LP | 460,855 | $27.2M | 0.03% | +97,865+27.0% | Added |
| Principal Financial Group Inc | 454,329 | $26.8M | 0.02% | +405+0.1% | Added |
| Charles Schwab Investment Management Inc | 438,641 | $25.9M | 0.01% | +12,676+3.0% | Added |
| Norges Bank | 415,640 | $24.5M | 0.01% | −21,000−4.8% | Reduced |
| Morgan Stanley | 393,375 | $23.2M | 0.00% | −13,537−3.3% | Reduced |
| Personal Capital Advisors Corp | 312,437 | $18.4M | 0.09% | +7,717+2.5% | Added |
| Granite Investment Partners, LLC | 276,040 | $16.3M | 0.51% | −7,641−2.7% | Reduced |
| Ameriprise Financial Inc | 253,705 | $15.0M | 0.00% | −42,560−14.4% | Reduced |
| Nuveen Asset Management, LLC | 211,771 | $12.4M | 0.00% | −6,222−2.9% | Reduced |
| Marshall Wace, LLP | 181,508 | $10.7M | 0.05% | +181,508 | New |
| Segall Bryant & Hamill, LLC | 165,609 | $9.76M | 0.09% | −125,087−43.0% | Reduced |
| Bank of America Corp | 161,788 | $9.53M | 0.00% | +19,394+13.6% | Added |
| Parametric Portfolio Associates LLC | 159,405 | $9.39M | 0.01% | +22,235+16.2% | Added |
| ProShare Advisors LLC | 158,531 | $9.34M | 0.03% | −36,602−18.8% | Reduced |
| Wells Fargo & Company | 153,977 | $9.07M | 0.00% | −1,841−1.2% | Reduced |
| Rhumbline Advisers | 141,981 | $8.37M | 0.01% | −17,658−11.1% | Reduced |
| Deutsche Bank AG | 133,199 | $7.85M | 0.00% | +12,519+10.4% | Added |
| Marshall Wace North America L.P. | 132,104 | $7.78M | 0.03% | +124,516+1,641.0% | Added |
| Goldman Sachs Group Inc | 122,304 | $7.21M | 0.00% | −9,627−7.3% | Reduced |
| Swiss National Bank | 112,300 | $6.62M | 0.00% | +1,300+1.2% | Added |
| Alliancebernstein L.P. | 109,802 | $6.47M | 0.00% | +1,032+0.9% | Added |
| Public Sector Pension Investment Board | 103,872 | $6.12M | 0.04% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 103,409 | $6.09M | 0.03% | +88,133+576.9% | Added |
| BNP Paribas Arbitrage, SA | 92,736 | $5.46M | 0.01% | +26,374+39.7% | Added |
| Raymond James & Associates | 90,603 | $5.34M | 0.00% | −3,106−3.3% | Reduced |
| Storebrand Asset Management AS | 87,180 | $5.14M | 0.03% | −5,297−5.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 80,167 | $4.72M | 0.05% | +13,602+20.4% | Added |
| TD Asset Management Inc | 79,152 | $4.66M | 0.00% | +4,137+5.5% | Added |
| JPMorgan Chase & Co | 79,126 | $4.66M | 0.00% | −95,308−54.6% | Reduced |
| UBS Asset Management Americas Inc | 77,293 | $4.55M | 0.00% | +465+0.6% | Added |
| Great West Life Assurance Co | 72,015 | $4.28M | 0.01% | −1,253−1.7% | Reduced |
| California State Teachers Retirement System | 69,217 | $4.08M | 0.01% | −826−1.2% | Reduced |
| Clear Harbor Asset Management, LLC | 66,814 | $3.94M | 0.47% | −1,000−1.5% | Reduced |
| Northstar Asset Management Inc | 65,424 | $3.86M | 1.02% | +3,032+4.9% | Added |
| New York State Common Retirement Fund | 63,707 | $3.75M | 0.00% | −6,299−9.0% | Reduced |
| Comerica Bank | 60,674 | $3.59M | 0.02% | −844−1.4% | Reduced |
| Financial Counselors Inc | 58,043 | $3.42M | 0.07% | −616−1.1% | Reduced |
| New York State Teachers Retirement System | 57,442 | $3.38M | 0.01% | 00.0% | Unchanged |
| Prudential Financial Inc | 55,450 | $3.27M | 0.00% | −578−1.0% | Reduced |
| Barclays PLC | 53,085 | $3.13M | 0.00% | +8,515+19.1% | Added |
| NFJ Investment Group, LLC | 51,498 | $3.04M | 0.06% | +6,139+13.5% | Added |
| Ensign Peak Advisors, Inc | 50,636 | $2.98M | 0.01% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 49,649 | $2.93M | 0.00% | +62+0.1% | Added |
| First National Corp | 49,498 | $2.92M | 0.65% | +8,524+20.8% | Added |
| Renaissance Technologies LLC | 47,300 | $2.79M | 0.00% | +47,300 | New |
| Magellan Asset Management Ltd | 46,096 | $2.72M | 0.01% | +16,427+55.4% | Added |
| Credit Suisse AG | 45,842 | $2.70M | 0.00% | −3,971−8.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 45,708 | $2.69M | 0.01% | +1,297+2.9% | Added |
| AMP Capital Investors Ltd | 45,443 | $2.68M | 0.01% | +5,188+12.9% | Added |
| Mercer Global Advisors Inc | 45,129 | $2.66M | 0.02% | −20.0% | Reduced |
| Gabelli Funds LLC | 44,400 | $2.62M | 0.02% | 00.0% | Unchanged |
| Nia Impact Advisors, LLC | 43,076 | $2.54M | 1.08% | +3,198+8.0% | Added |
| Raymond James Financial Services Advisors, Inc. | 41,726 | $2.46M | 0.00% | +1,288+3.2% | Added |
| Thrivent Financial for Lutherans | 41,656 | $2.46M | 0.00% | +98+0.2% | Added |
| Bank of Montreal | 37,853 | $2.44M | 0.00% | −858−2.2% | Reduced |
| State of New Jersey Common Pension Fund D | 41,241 | $2.43M | 0.01% | −3,421−7.7% | Reduced |
| Citigroup Inc | 38,569 | $2.27M | 0.00% | +5,520+16.7% | Added |
| Texas Permanent School Fund | 38,122 | $2.25M | 0.03% | +238+0.6% | Added |
| State of Alaska, Department of Revenue | 37,563 | $2.21M | 0.02% | +2,389+6.8% | Added |
| UBS Group AG | 35,674 | $2.10M | 0.00% | +768+2.2% | Added |
| Aptus Capital Advisors, LLC | 34,733 | $2.05M | 0.08% | +6,240+21.9% | Added |
| Martingale Asset Management L P | 34,267 | $2.02M | 0.03% | +19,854+137.8% | Added |
| American International Group, Inc. | 32,330 | $1.91M | 0.01% | −668−2.0% | Reduced |
| Lazard Asset Management LLC | 31,919 | $1.88M | 0.00% | +27,241+582.3% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 30,400 | $1.79M | 0.01% | +30,400 | New |
| PDT Partners, LLC | 29,966 | $1.77M | 0.13% | +4,125+16.0% | Added |
| Manufacturers Life Insurance Company, The | 25,987 | $1.53M | 0.00% | −2,635−9.2% | Reduced |
| Private Advisor Group, LLC | 25,779 | $1.52M | 0.01% | +381+1.5% | Added |
| Bridge City Capital, LLC | 25,391 | $1.50M | 0.68% | −6,801−21.1% | Reduced |
| Amalgamated Bank | 24,842 | $1.46M | 0.01% | +183+0.7% | Added |
| Louisiana State Employees Retirement System | 24,800 | $1.46M | 0.04% | +1,900+8.3% | Added |
| Teton Advisors, Inc. | 24,300 | $1.43M | 0.21% | 00.0% | Unchanged |
| AXA S.A. | 23,300 | $1.37M | 0.00% | +7,800+50.3% | Added |
| State Board of Administration of Florida Retirement System | 22,130 | $1.30M | 0.00% | +260+1.2% | Added |
| STRS Ohio | 22,100 | $1.30M | 0.00% | −500−2.2% | Reduced |
| Hoylecohen, LLC | 21,580 | $1.27M | 0.12% | 00.0% | Unchanged |
| Susquehanna Fundamental Investments, LLC | 21,550 | $1.27M | 0.02% | −13,671−38.8% | Reduced |
| Independent Advisor Alliance | 20,992 | $1.24M | 0.07% | −523−2.4% | Reduced |
| Oregon Public Employees Retirement Fund | 20,723 | $1.22M | 0.01% | +318+1.6% | Added |
| Maryland State Retirement & Pension System | 20,218 | $1.21M | 0.03% | +20,218 | New |
| Cubist Systematic Strategies, LLC | 20,418 | $1.20M | 0.02% | +20,418 | New |
| Voya Investment Management LLC | 20,171 | $1.19M | 0.00% | +250+1.3% | Added |
| Duality Advisers, LP | 20,132 | $1.19M | 0.09% | +14,052+231.1% | Added |
| Exchange Traded Concepts, LLC | 19,280 | $1.14M | 0.03% | +10,301+114.7% | Added |
| Everence Capital Management Inc | 18,130 | $1.07M | 0.09% | +2,110+13.2% | Added |
| MetLife Investment Management | 17,574 | $1.04M | 0.01% | −1,385−7.3% | Reduced |