Companies / California Water Service Group
California Water Service Group
NYSE: CWTCIK 1035201SAN JOSE, CA
Insider flow · last 90 daysNet sells $208.6K
Financials · FY2025
Ownership
61.8M shares outstanding · as of Jul 20, 2026
Ownership
| Insiders | 0.73% | 454,244 |
| 10%+ / strategic | 17.69% | 10,938,399 |
| Institutions | 77.03% | 47,635,151 |
| Public float | 4.55% | 2,811,307 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 24
View all →| Insider | % of shares | Shares |
|---|---|---|
Kropelnicki Martin aCEOChairman President & CEO | 0.24% | 148,285 |
Aliff Gregory EDirector | 0.04% | 26,395 |
Luu Michael BSVP Corp Svce & Chief Risk Of | 0.04% | 23,807 |
Krummel Thomas MDirector | 0.04% | 23,805 |
Dean Shannon CSR. VP, Cust Svc & Chief Sust | 0.04% | 23,742 |
Pottenger Carol MDirector | 0.03% | 19,187 |
Esque Shelly MarianDirector | 0.03% | 18,331 |
Snow Lester ADirector | 0.03% | 18,316 |
Wagner Patricia KDirector | 0.02% | 15,214 |
Morris Scott LDirector | 0.02% | 15,209 |
Institutional holders 335
View all →| Holder | Value | % of shares |
|---|---|---|
| $523.25M | 17.39% | |
| $318.32M | 11.88% | |
| $158.93M | 5.28% | |
| $157.42M | 5.61% | |
| $77.83M | 2.90% | |
| $66.91M | 2.39% | |
| $61.40M | 2.19% | |
| $53.32M | 1.77% | |
| $50.00M | 1.87% | |
| $41.35M | 1.54% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | Nuance Investments LLC 13F manager | Trim | Common stock | $-35.48M | -729K -39.95% | 1,096,077 1.77% of shares | medium |
| Q1 2026 as of | Amundi 13F manager | Add | Common stock | $33.20M | +732K +26.73% | 3,470,997 5.61% of shares | medium |
| Q4 2025 as of | Norges Bank 13F manager | Trim | Common stock | $-28.35M | -654K -96.73% | 22,114 0.04% of shares | medium |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | New | Common stock | $11.64M | +257K | 256,767 0.42% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $11.53M | +237K +7.82% | 3,266,850 5.28% of shares | medium |
| Q1 2026 as of | Arrowstreet Capital, Limited Partnership 13F manager | Add | Common stock | $9.43M | +208K +416.88% | 257,970 0.42% of shares | medium |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Add | Common stock | $4.92M | +109K +177.61% | 169,731 0.27% of shares | low |
| Q3 2024 as of | Barclays PLC 13F manager | Add | Common stock | $3.74M | +69K +135.84% | 119,645 0.19% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Amundi | Passive13G | — |
| Vanguard Capital Management | Passive13G | — |
| Vanguard Portfolio Management | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| CWT | — | 130788102 |