California Water Service GrpCWT
13F holders, Q3 2025 (September 30)337holders −1
34new positions
30sold out
5famous investors
$45.89avg. 13F price*
At the end of Q3 2025, 337 institutions reported holding California Water Service Grp (CWT) in their 13F filings, down 1 from Q2 2025. 34 opened new positions and 30 sold out. The largest holders were BlackRock, Inc. ($479.5M), Vanguard Group Inc. ($335.6M) and T. Rowe Price Investment Management, Inc. ($151.5M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- California Water Service Grp
- CUSIP
- 130788102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 34 | $10.2M |
| Exits | 30 | $27.4M |
All 13F filers, Q2 2025 → Q3 2025: 2,347,805 shares bought and 1,942,411 shares sold, net +405,394 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 337 holders
| BlackRock, Inc. | 0.01% | Add +0.8% | 10,448,234 | $479.5M |
| Vanguard Group Inc. | 0.01% | Reduce -0.9% | 7,312,302 | $335.6M |
| T. Rowe Price Investment Management, Inc. | 0.09% | Add +0.8% | 3,300,909 | $151.5M |
| State Street Corp. | 0.00% | Reduce -2.6% | 3,101,001 | $142.3M |
| Amundi | 0.03% | Add +19.4% | 2,276,599 | $104.3M |
| Nuance Investments, LLC | 8.24% | Add +2.1% | 1,764,459 | $81.0M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.1% | 1,416,337 | $65.0M |
| First Trust Advisors LP | 0.05% | Add +4.4% | 1,404,320 | $64.4M |
| FMR LLC | 0.00% | Add +33.3% | 1,403,132 | $64.4M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -0.8% | 1,149,018 | $52.7M |
| Invesco Ltd. | 0.01% | Reduce -2.6% | 897,064 | $41.2M |
| Morgan Stanley | 0.00% | Reduce -6.7% | 802,125 | $36.8M |
| Legal & General Group Plc | 0.01% | Add +7.6% | 760,261 | $34.9M |
| CBRE Investment Management Listed Real Assets LLC | 0.48% | Reduce -2.9% | 730,263 | $33.5M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -1.2% | 718,555 | $33.0M |
| Northern Trust Corp. | 0.00% | Reduce -8.2% | 655,254 | $30.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -4.8% | 568,803 | $26.1M |
| Triodos Investment Management BV | 1.64% | No change | 493,000 | $22.6M |
| KBC Group NV | 0.05% | Reduce -20.7% | 446,627 | $20.5M |
| Beck Bode, LLC | 2.98% | Add +1.5% | 402,261 | $18.5M |
| Nuveen, LLC | 0.00% | Reduce -4.6% | 391,302 | $18.0M |
| Millennium Management | 0.01% | Add +5365.1% | 368,074 | $16.9M |
| Renaissance Technologies | 0.02% | Add +7.2% | 301,116 | $13.8M |
| Raymond James Financial Inc. | 0.00% | Reduce -10.4% | 298,282 | $13.7M |
| Principal Financial Group Inc. | 0.01% | Reduce -2.6% | 287,705 | $13.2M |
| JPMorgan Chase & Co. | 0.00% | Add +14.8% | 277,245 | $12.7M |
| Victory Capital Management Inc. | 0.01% | Reduce -0.9% | 268,100 | $12.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +14.4% | 259,992 | $11.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -31.1% | 241,777 | $11.1M |
| UBS Group AG | 0.00% | Add +40.3% | 240,112 | $11.0M |
| Public Sector Pension Investment Board | 0.04% | Add +14.4% | 232,432 | $10.7M |
| American Century Companies Inc. | 0.01% | Add +98.8% | 227,822 | $10.5M |
| Rhumbline Advisers | 0.01% | Add +0.4% | 189,695 | $8.7M |
| Aptus Capital Advisors, LLC | 0.07% | Add +15.3% | 178,487 | $8.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -11.4% | 156,444 | $7.2M |
| T. Rowe Price Associates Inc. | 0.00% | Add +2.2% | 151,401 | $6.9M |
| ProShare Advisors LLC | 0.01% | Add +0.5% | 149,642 | $6.9M |
| Bank of America Corp. | 0.00% | Reduce -8.1% | 149,506 | $6.9M |
| Alliancebernstein L.P. | 0.00% | Add +29.3% | 141,181 | $6.5M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +4.3% | 133,624 | $6.1M |
| Swiss National Bank | 0.00% | Add +1.6% | 115,400 | $5.3M |
| AQR Capital Management | 0.00% | Add +55.1% | 114,154 | $5.2M |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.03% | Reduce -1.9% | 112,573 | $5.2M |
| Jane Street Group, LLC | 0.01% | Reduce -20.5% | 111,325 | $5.1M |
| Barclays PLC | 0.00% | Reduce -20.1% | 109,885 | $5.0M |
| Northstar Asset Management Inc. | 1.27% | Add +3.7% | 106,053 | $4.9M |
| Federated Hermes, Inc. | 0.01% | Add +3.5% | 100,525 | $4.6M |
| Thematics Asset Management | 0.21% | Reduce -35.0% | 100,470 | $4.6M |
| New Age Alpha Advisors, LLC | 0.19% | Reduce -4.7% | 99,477 | $4.6M |
| Dark Forest Capital Management LP | 0.17% | Add +16.6% | 97,996 | $4.5M |
| Mariner, LLC | 0.01% | Add +39.9% | 95,747 | $4.4M |
| Meiji Yasuda Asset Management Co Ltd. | 0.20% | Add +2.3% | 92,071 | $4.2M |
| Crawford Investment Counsel Inc. | 0.07% | Add +5.2% | 89,989 | $4.1M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Add +5.1% | 84,208 | $3.9M |
| Deutsche Bank AG | 0.00% | Add +9.2% | 83,980 | $3.9M |
| Prudential Financial Inc. | 0.00% | Reduce -8.0% | 83,340 | $3.8M |
| Martingale Asset Management L P | 0.10% | Add +0.6% | 82,597 | $3.8M |
| Wells Fargo & Company | 0.00% | Add +10.7% | 79,473 | $3.6M |
| Trexquant Investment LP | 0.03% | Reduce -19.2% | 66,909 | $3.1M |
| Maryland State Retirement & Pension System | 0.06% | Reduce -10.3% | 63,795 | $2.9M |
| New York State Teachers Retirement System | 0.01% | No change | 62,602 | $2.9M |
| Rodgers Brothers Inc. | 0.33% | Reduce -5.4% | 57,775 | $2.7M |
| Kennedy Capital Management LLC | 0.06% | Add +0.0% | 57,574 | $2.6M |
| Storebrand Asset Management As | 0.01% | Reduce -3.4% | 57,549 | $2.6M |
| Arrowstreet Capital, Limited Partnership | 0.00% | Reduce -26.9% | 57,173 | $2.6M |
| California State Teachers Retirement System | 0.00% | Add +4.3% | 56,761 | $2.6M |
| Midwest Trust Co | 0.03% | Reduce -0.2% | 55,211 | $2.5M |
| Royal Bank of Canada | 0.00% | Reduce -58.1% | 53,841 | $2.5M |
| BNP Paribas Financial Markets | 0.00% | Add +45.0% | 53,635 | $2.5M |
| Exchange Traded Concepts, LLC | 0.02% | Add +3.0% | 51,993 | $2.4M |
| TD Asset Management Inc | 0.00% | No change | 51,888 | $2.4M |
| Clear Harbor Asset Management, LLC | 0.17% | No change | 50,985 | $2.3M |
| Allianz Asset Management GmbH | 0.00% | Add +8.6% | 50,428 | $2.3M |
| Mercer Global Advisors Inc. | 0.00% | Add +5.0% | 49,588 | $2.3M |
| Citigroup Inc. | 0.00% | Reduce -22.9% | 47,912 | $2.2M |
| Verition Fund Management LLC | 0.01% | Add +61.9% | 47,047 | $2.2M |
| Franklin Resources Inc. | 0.00% | Add +88.2% | 46,430 | $2.1M |
| Magellan Asset Management Ltd | 0.03% | Add +5.8% | 46,034 | $2.1M |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.14% | Reduce -7.8% | 45,984 | $2.1M |
| State of New Jersey Common Pension Fund D | 0.01% | Add +13.2% | 45,479 | $2.1M |
| Bridge City Capital, LLC | 0.55% | Reduce -1.7% | 44,878 | $2.1M |
| SG Americas Securities, LLC | 0.01% | Add +270.2% | 44,871 | $2.1M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -31.9% | 44,644 | $2.0M |
| Gabelli Funds LLC | 0.01% | No change | 43,200 | $2.0M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -8.4% | 41,795 | $1.9M |
| Freestone Grove Partners LP | 0.01% | Add +48.9% | 40,995 | $1.9M |
| Nia Impact Advisors, LLC | 0.56% | Add +1.7% | 37,611 | $1.7M |
| Jackson Creek Investment Advisors LLC | 0.50% | New | 37,534 | $1.7M |
| D. E. Shaw & Co. | 0.00% | Add +491.6% | 36,358 | $1.7M |
| State of Wisconsin Investment Board | 0.00% | Reduce -0.8% | 36,162 | $1.7M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -0.5% | 35,410 | $1.6M |
| First National Corp. /Ma/ | 0.31% | Reduce -5.8% | 36,140 | $1.6M |
| MetLife Investment Management, LLC | 0.01% | Reduce -3.0% | 34,422 | $1.6M |
| Macquarie Group Ltd. | 0.00% | Reduce -17.9% | 33,777 | $1.6M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 32,800 | $1.5M |
| AlphaQuest LLC | 0.10% | Add +3195600.0% | 31,957 | $1.5M |
| State of Alaska, Department of Revenue | 0.01% | Reduce -10.3% | 31,787 | $1.5M |
| Illinois Municipal Retirement Fund | 0.02% | Reduce -1.7% | 31,506 | $1.4M |
| New York State Common Retirement Fund | 0.00% | No change | 30,544 | $1.4M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -6.0% | 29,018 | $1.3M |
"% of holder's portfolio" is CWT's weight in each manager's 13F, not the share of California Water Service Grp the manager owns.