California Water Service Group
DE ˙ DB ˙ US1307881029
37,40 € ↓ -1,00 (-2,60%)
2026-06-02
AKTIENPREIS
SecurityDE:WT5 / California Water Service Group
InstitutionUs Bancorp \de\
Latest Disclosed Ownership6,133 shares
Latest Disclosed Value $ 278,070
Us Bancorp \de\ reports 3.49% increase in ownership of WT5 / California Water Service Group

On May 14, 2026 - Us Bancorp \de\ filed a 13F-HR form disclosing ownership of 6,133 shares of California Water Service Group (DE:WT5) valued at $245,320 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 30, 2026 disclosing 5,926 shares of California Water Service Group. This represents a change in shares of 3.49% during the quarter. The current value of the position is $229,374 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F CALIFORNIA WTR SVC GROUP COM 130788102 6,133 207 3.49 278 8.59 0.0001
2026-01-30 2025-12-31 13F CALIFORNIA WTR SVC GROUP COM 130788102 5,926 22 0.37 257 -5.19 0.0003
2025-11-12 2025-09-30 13F CALIFORNIA WTR SVC GROUP COM 130788102 5,904 -835 -12.39 271 -11.76 0.0003
2025-07-24 2025-06-30 13F CALIFORNIA WTR SVC GROUP COM 130788102 6,739 -21 -0.31 306 -6.42 0.0004
2025-05-08 2025-03-31 13F CALIFORNIA WTR SVC GROUP COM 130788102 6,760 944 16.23 328 24.33 0.0004
2025-02-05 2024-12-31 13F CALIFORNIA WTR SVC GROUP COM 130788102 5,816 479 8.98 264 -9.00 0.0003
2024-10-28 2024-09-30 13F CALIFORNIA WTR SVC GROUP COM 130788102 5,337 -1,000 -15.78 289 -5.86 0.0004
2024-08-07 2024-06-30 13F CALIFORNIA WTR SVC GROUP COM 130788102 6,337 309 5.13 307 9.64 0.0004
2024-05-08 2024-03-31 13F CALIFORNIA WTR SVC GROUP COM 130788102 6,028 878 17.05 280 4.87 0.0004
2024-02-09 2023-12-31 13F CALIFORNIA WTR SVC GROUP COM 130788102 5,150 957 22.82 267 34.85 0.0004
2023-11-03 2023-09-30 13F CALIFORNIA WTR SVC GROUP COM 130788102 4,193 -1,181 -21.98 198 -28.52 0.0003
2023-08-10 2023-06-30 13F CALIFORNIA WTR SVC GROUP COM 130788102 5,374 2,795 108.38 277 84.67 0.0004
2023-05-09 2023-03-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 2,579 -109 -4.06 150 -7.98 0.0003
2023-02-13 2022-12-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 2,688 -152 -5.35 163 8.67 0.0003
2022-10-27 2022-09-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 2,840 231 8.85 150 3.45 0.0003
2022-08-01 2022-06-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 2,609 -194 -6.92 145 -12.65 0.0003
2022-05-11 2022-03-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 2,803 -190 -6.35 166 -22.79 0.0003
2022-02-11 2021-12-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 2,993 -193 -6.06 215 14.36 0.0003
2021-11-10 2021-09-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 3,186 -1,127 -26.13 188 -21.67 0.0004
2021-08-05 2021-06-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 4,313 1,024 31.13 240 29.73 0.0004
2021-04-28 2021-03-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 3,289 -91 -2.69 185 1.09 0.0004
2021-02-04 2020-12-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 3,380 93 2.83 183 27.97 0.0004
2020-11-10 2020-09-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 3,287 -2,282 -40.98 143 -46.04 0.0003
2020-08-07 2020-06-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 5,569 -579 -9.42 265 -14.24 0.0007
2020-05-13 2020-03-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 6,148 -35 -0.57 309 -2.83 0.0010
2020-02-04 2019-12-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 6,183 140 2.32 318 -0.62 0.0008
2019-11-08 2019-09-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 6,043 -1,441 -19.25 320 -15.57 0.0009
2019-08-13 2019-06-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,484 115 1.56 379 -5.25 0.0011
2019-05-08 2019-03-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,369 -500 -6.35 400 6.67 0.0012
2019-02-13 2018-12-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,869 428 5.75 375 17.55 0.0012
2018-10-31 2018-09-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,441 -141 -1.86 319 8.14 0.0009
2018-08-08 2018-06-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,582 1,432 23.28 295 28.82 0.0009
2018-05-08 2018-03-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 6,150 -558 -8.32 229 -24.67 0.0007
2018-02-02 2017-12-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 6,708 -702 -9.47 304 7.42 0.0009
2017-11-13 2017-09-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,410 -107 -1.42 283 2.17 0.0009
2017-07-19 2017-06-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,517 -215 -2.78 277 0.00 0.0009
2017-05-03 2017-03-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,732 -136 -1.73 277 3.75 0.0009
2017-02-08 2016-12-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,868 1,509 23.73 267 30.88 0.0010
2016-11-04 2016-09-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 6,359 753 13.43 204 4.08 0.0008
2016-08-10 2016-06-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 5,606 -4 -0.07 196 30.67 0.0007
2016-05-13 2016-03-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 5,610 723 14.79 150 31.58 0.0006
2016-02-10 2015-12-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 4,887 104 2.17 114 7.55 0.0005
2015-11-16 2015-09-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 4,783 0 0.00 106 -2.75 0.0004
2015-08-10 2015-06-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 4,783 -400 -7.72 109 -14.17 0.0004
2015-05-08 2015-03-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 5,183 0 0.00 127 0.00 0.0005
2015-02-13 2014-12-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 5,183 -1,841 -26.21 127 -19.62 0.0005
2014-11-14 2014-09-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,024 0 0.00 158 -7.06 0.0006
2014-08-14 2014-06-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 7,024 400 6.04 170 7.59 0.0007
2014-05-14 2014-03-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 6,624 0 0.00 158 3.95 0.0006
2014-02-13 2013-12-31 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 6,624 0 0.00 152 12.59 0.0006
2013-11-07 2013-09-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 6,624 0 0.00 135 4.65 0.0006
2013-08-09 2013-06-30 13F CALIFORNIA WTR SVC GROUP COMMON STOCK 130788102 6,624 6,624 129 0.0006
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.