California Water Service Group (CWT)
Operates regulated water and wastewater utilities across five western states.
$47.35
After-hours close+0.09 (+0.20%)
At close$47.26(0.00%)
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13F · 13D/G · Form 4
| Institutions | 90.60% | 56.03M shares | |
|---|---|---|---|
| 346 holders · as of Jun 30, 2026 | |||
| Insiders | 0.77% | 475.8K shares | |
| 26 holders · as of Sep 8, 2026 | |||
| Other | 8.63% | 5.34M shares | |
| remainder | |||
61.84M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
346 holders · 56.03M shares · 54 new positions · 192 increased · 98 reduced · 46 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 10.76M | 17.39% | +446.9K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 4.38M | 7.08% | +90.0K | Aug 13, 2026 |
| T. Rowe Price Investment Management, Inc. | 3.52M | 5.69% | +98.8K | Aug 14, 2026 |
| Amundi | 3.49M | 5.64% | +15.9K | Aug 11, 2026 |
| State Street Corp | 3.27M | 5.28% | +164.2K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 2.69M | 4.35% | +25.4K | Aug 13, 2026 |
| Atlas Infrastructure Partners (UK) Ltd. | 1.98M | 3.21% | +1.98Mnew | Aug 14, 2026 |
| Geode Capital Management, LLC | 1.56M | 2.52% | +80.0K | Aug 12, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 17.10% | 10.20M | 13G | Jul 17, 2025 |
| Vanguard Portfolio Management | 7.23% | 4.31M | 13G | Apr 29, 2026 |
| Amundi | 5.82% | 3.47M | 13G | Apr 10, 2026 |
| Vanguard Capital Management | 5.28% | 3.15M | 13G | Apr 29, 2026 |
| T. Rowe Price Investment Management, Inc. | 5.00% | 2.96M | 13G | Feb 14, 2025 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 1, 2026 | Lester A. Snowdirector | Sale | 500 | $50.21 | 17,817 |
| Aug 13, 2026 | Thomas M. Krummeldirector | Sale | 3,700 | $50.37 | 20,104 |
| May 27, 2026 | Lester A. Snowdirector | Sale | 1,100 | $44.00 | 18,316 |
| May 21, 2026 | Thomas M. Krummeldirector | Sale | 3,700 | $43.30 | 23,805 |
| Mar 20, 2026 | Michael S. JR Maresofficer: Vice President, Operations | Sale | 3,892 | $44.00 | 8,525 |
| Mar 20, 2026 | Michael B. Luuofficer: Sr. VP Corp Svcs & Chief Risk | Sale | 740 | $44.53 | 23,655 |
| Dec 23, 2025 | Michelle R. Mortensenofficer: VP, Corp Sec &Chief of Staff | Sale | 924 | $43.34 | 11,512 |
| Dec 10, 2025 | James Patrick Lynchofficer: SVP CFO and Treasurer | Purchase | 550 | $42.80 | 4,619 |
House and Senate disclosures
Not reported.