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 2023
Institutional positions in California Water Service Group as of Mar 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
- 299
- +7 vs. Q4 2022
- Shares held
- 44.9M
- +207.7K (+0.5%) vs. Q4 2022
- Total value
- $2.61B
- −$93.1M (−3.4%) vs. Q4 2022
- New holders
- 32
- 99 more added
- Sold out
- 25
- 101 more reduced
3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding California Water Service Group; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Amalgamated Bank | 23,722 | $1.38M | 0.01% | −1,684−6.6% | Reduced |
| Citigroup Inc | 24,862 | $1.45M | 0.00% | −8,026−24.4% | Reduced |
| Advisor Group Holdings, Inc. | 25,117 | $1.46M | 0.00% | +19,812+373.5% | Added |
| Janus Henderson Group PLC | 25,349 | $1.47M | 0.00% | +15,102+147.4% | Added |
| Louisiana State Employees Retirement System | 25,600 | $1.49M | 0.04% | −400−1.5% | Reduced |
| Bridge City Capital, LLC | 25,825 | $1.50M | 0.75% | −99−0.4% | Reduced |
| Schroder Investment Management Group | 26,101 | $1.52M | 0.00% | −3,489−11.8% | Reduced |
| Balyasny Asset Management LLC | 27,670 | $1.61M | 0.01% | +18,207+192.4% | Added |
| Mirae Asset Global Investments Co., Ltd. | 27,942 | $1.63M | 0.00% | +54+0.2% | Added |
| Barclays PLC | 27,991 | $1.63M | 0.00% | +1,624+6.2% | Added |
| MetLife Investment Management | 28,612 | $1.67M | 0.01% | 00.0% | Unchanged |
| American International Group, Inc. | 29,666 | $1.73M | 0.01% | +129+0.4% | Added |
| State of Tennessee, Treasury Department | 30,024 | $1.75M | 0.01% | +7,134+31.2% | Added |
| Squarepoint Ops LLC | 30,627 | $1.78M | 0.01% | +18,795+158.8% | Added |
| Yousif Capital Management, LLC | 30,783 | $1.79M | 0.02% | −4,005−11.5% | Reduced |
| Susquehanna International Group, LLP | 31,397 | $1.83M | 0.00% | +26,810+584.5% | Added |
| Private Advisor Group, LLC | 31,584 | $1.84M | 0.02% | −318−1.0% | Reduced |
| Bridgewater Associates, LP | 33,100 | $1.93M | 0.01% | +181+0.5% | Added |
| Magellan Asset Management Ltd | 35,933 | $2.09M | 0.02% | −2,671−6.9% | Reduced |
| CoreCommodity Management, LLC | 35,999 | $2.10M | 0.60% | −62−0.2% | Reduced |
| Citadel Advisors LLC | 36,344 | $2.12M | 0.00% | −7,663−17.4% | Reduced |
| State of Alaska, Department of Revenue | 37,596 | $2.19M | 0.03% | −579−1.5% | Reduced |
| AQR Capital Management LLC | 38,115 | $2.22M | 0.00% | +7,624+25.0% | Added |
| Cubist Systematic Strategies, LLC | 38,242 | $2.23M | 0.02% | −3,760−9.0% | Reduced |
| Martingale Asset Management L P | 38,692 | $2.25M | 0.04% | +1,400+3.8% | Added |
| State of New Jersey Common Pension Fund D | 38,782 | $2.26M | 0.01% | +3,012+8.4% | Added |
| First National Corp | 38,907 | $2.26M | 0.54% | −7,705−16.5% | Reduced |
| Gabelli Funds LLC | 43,200 | $2.51M | 0.02% | −300−0.7% | Reduced |
| Ergoteles LLC | 43,604 | $2.54M | 0.10% | +43,604 | New |
| Nia Impact Advisors, LLC | 44,013 | $2.56M | 1.38% | −1,270−2.8% | Reduced |
| Bank of Montreal | 44,777 | $2.61M | 0.00% | +3,026+7.2% | Added |
| UBS Group AG | 47,139 | $2.74M | 0.00% | −19,067−28.8% | Reduced |
| Wells Fargo & Company | 48,824 | $2.84M | 0.00% | +6,409+15.1% | Added |
| Envestnet Asset Management Inc | 48,932 | $2.85M | 0.00% | +424+0.9% | Added |
| Texas Permanent School Fund | 49,166 | $2.86M | 0.03% | +12,308+33.4% | Added |
| Mercer Global Advisors Inc | 50,795 | $2.96M | 0.01% | +697+1.4% | Added |
| Credit Suisse AG | 51,502 | $3.00M | 0.00% | +4,039+8.5% | Added |
| Thrivent Financial for Lutherans | 54,331 | $3.16M | 0.01% | −1,905−3.4% | Reduced |
| Millennium Management LLC | 54,383 | $3.17M | 0.00% | −75,581−58.2% | Reduced |
| BNP Paribas Arbitrage, SA | 55,514 | $3.23M | 0.01% | +19,497+54.1% | Added |
| Arjuna Capital | 56,041 | $3.26M | 1.28% | +29,799+113.6% | Added |
| Financial Counselors Inc | 57,183 | $3.33M | 0.07% | +543+1.0% | Added |
| New York State Teachers Retirement System | 58,042 | $3.38M | 0.01% | −100−0.2% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 59,663 | $3.47M | 0.01% | +1,247+2.1% | Added |
| New York State Common Retirement Fund | 61,390 | $3.57M | 0.00% | −10,701−14.8% | Reduced |
| Clear Harbor Asset Management, LLC | 64,340 | $3.74M | 0.39% | −350−0.5% | Reduced |
| ExodusPoint Capital Management, LP | 66,727 | $3.88M | 0.04% | +51,253+331.2% | Added |
| California State Teachers Retirement System | 68,356 | $3.98M | 0.01% | −605−0.9% | Reduced |
| Prudential Financial Inc | 68,685 | $4.00M | 0.01% | +13,565+24.6% | Added |
| Northstar Asset Management Inc | 69,382 | $4.04M | 1.24% | +2,206+3.3% | Added |
| Aptus Capital Advisors, LLC | 71,451 | $4.16M | 0.12% | +8,390+13.3% | Added |
| Storebrand Asset Management AS | 72,705 | $4.23M | 0.02% | +4,332+6.3% | Added |
| SG Americas Securities, LLC | 73,734 | $4.29M | 0.06% | +51,552+232.4% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 75,648 | $4.40M | 0.23% | +75,648 | New |
| Renaissance Technologies LLC | 77,300 | $4.50M | 0.01% | +40,200+108.4% | Added |
| Maryland State Retirement & Pension System | 78,238 | $4.55M | 0.10% | +42,412+118.4% | Added |
| Alliancebernstein L.P. | 79,733 | $4.64M | 0.00% | −9,088−10.2% | Reduced |
| Price T Rowe Associates Inc | 79,741 | $4.64M | 0.00% | +4,492+6.0% | Added |
| Voloridge Investment Management, LLC | 80,786 | $4.70M | 0.02% | +47,944+146.0% | Added |
| Raymond James & Associates | 87,743 | $5.11M | 0.00% | −2,058−2.3% | Reduced |
| Bank of America Corp | 88,804 | $5.17M | 0.00% | +28,155+46.4% | Added |
| Public Sector Pension Investment Board | 96,423 | $5.61M | 0.04% | −3,318−3.3% | Reduced |
| Great West Life Assurance Co | 105,148 | $6.12M | 0.02% | +3,499+3.4% | Added |
| Walleye Capital LLC | 105,740 | $6.15M | 0.12% | +105,740 | New |
| TD Asset Management Inc | 116,240 | $6.77M | 0.01% | −7,800−6.3% | Reduced |
| Swiss National Bank | 118,300 | $6.89M | 0.00% | −13,000−9.9% | Reduced |
| UBS Asset Management Americas Inc | 125,732 | $7.32M | 0.00% | +3,577+2.9% | Added |
| JPMorgan Chase & Co | 138,231 | $8.05M | 0.00% | +42,077+43.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 140,448 | $8.17M | 0.07% | −4,105−2.8% | Reduced |
| Deutsche Bank AG | 146,921 | $8.55M | 0.00% | +12,099+9.0% | Added |
| Thematics Asset Management | 149,470 | $8.70M | 0.47% | +17,000+12.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 160,921 | $9.37M | 0.05% | −35,053−17.9% | Reduced |
| Nuveen Asset Management, LLC | 168,376 | $9.80M | 0.00% | −12,845−7.1% | Reduced |
| Goldman Sachs Group Inc | 174,094 | $10.1M | 0.00% | −6,033−3.3% | Reduced |
| Rhumbline Advisers | 176,325 | $10.3M | 0.01% | +9,597+5.8% | Added |
| ProShare Advisors LLC | 180,657 | $10.5M | 0.03% | +27,424+17.9% | Added |
| Ameriprise Financial Inc | 221,890 | $12.9M | 0.00% | −7,042−3.1% | Reduced |
| Granite Investment Partners, LLC | 330,158 | $19.2M | 0.80% | −3,903−1.2% | Reduced |
| Principal Financial Group Inc | 331,159 | $19.3M | 0.01% | −4,455−1.3% | Reduced |
| Empower Advisory Group, LLC | 334,206 | $19.3M | 0.09% | +334,206 | New |
| Legal & General Group Plc | 365,934 | $21.3M | 0.01% | −131,376−26.4% | Reduced |
| First Trust Advisors LP | 506,153 | $29.5M | 0.03% | +35,519+7.5% | Added |
| Charles Schwab Investment Management Inc | 522,474 | $30.4M | 0.01% | +1,452+0.3% | Added |
| KBC Group NV | 530,409 | $30.9M | 0.13% | +23,989+4.7% | Added |
| Norges Bank | 534,051 | $31.1M | 0.01% | +16,459+3.2% | Added |
| Morgan Stanley | 664,637 | $38.7M | 0.00% | +20,830+3.2% | Added |
| Bank of New York Mellon Corp | 672,283 | $39.1M | 0.01% | −15,540−2.3% | Reduced |
| Nuance Investments, LLC | 839,285 | $48.8M | 1.03% | −6,949−0.8% | Reduced |
| Northern Trust Corp | 954,751 | $55.6M | 0.01% | −17,083−1.8% | Reduced |
| Invesco Ltd. | 1,012,065 | $58.9M | 0.02% | −4,461−0.4% | Reduced |
| Geode Capital Management, LLC | 1,056,075 | $61.5M | 0.01% | +54,957+5.5% | Added |
| Amundi | 1,136,960 | $66.7M | 0.04% | +1,260+0.1% | Added |
| Dimensional Fund Advisors LP | 1,213,745 | $70.6M | 0.02% | −43,779−3.5% | Reduced |
| Pictet Asset Management SA | 1,514,329 | $88.1M | 0.11% | −69,460−4.4% | Reduced |
| Impax Asset Management Group plc | 1,523,505 | $88.7M | 0.37% | 00.0% | Unchanged |
| T. Rowe Price Investment Management, Inc. | 2,356,523 | $137.2M | 0.10% | +26,176+1.1% | Added |
| State Street Corp | 4,875,131 | $283.7M | 0.02% | −461,891−8.7% | Reduced |
| Vanguard Group Inc | 6,744,399 | $392.5M | 0.01% | −17,252−0.3% | Reduced |
| BlackRock Inc. | 10,300,564 | $599.5M | 0.02% | −109,071−1.0% | Reduced |
| Ausbil Investment Management Ltd | 0 | $0 | 0.00% | −20,925−100.0% | Sold out |