H2O America
DE ˙ DB ˙ US7843051043
SecurityDE:76W / H2O America
InstitutionMagellan Asset Management Ltd
ManagerHamish Douglass
Latest Disclosed Ownership29,063 shares
Latest Disclosed Value $ 1,705,126
Magellan Asset Management Ltd reports 33.02% increase in ownership of 76W / H2O America

On May 11, 2026 - Magellan Asset Management Ltd filed a 13F-HR form disclosing ownership of 29,063 shares of H2O America (DE:76W) valued at $1,705,126 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 21,849 shares of H2O America. This represents a change in shares of 33.02% during the quarter.

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)
2026-05-11 2026-03-31 13F H2O AMERICA COM 784305104 29,063 7,214 33.02 1,705 59.35 0.0221
2026-02-10 2025-12-31 13F H2O AMERICA COM 784305104 21,849 285 1.32 1,070 1.90 0.0130
2025-11-10 2025-09-30 13F H2O AMERICA COM 784305104 21,564 828 3.99 1,050 -2.51 0.0124
2025-08-07 2025-06-30 13F H2O AMERICA COM 784305104 20,736 -532 -2.50 1,078 -7.39 0.0123
2025-05-12 2025-03-31 13F SJW GROUP COM 784305104 21,268 0 0.00 1,163 11.19 0.0141
2025-02-12 2024-12-31 13F SJW GROUP COM 784305104 21,268 -3,748 -14.98 1,047 -28.01 0.0115
2024-11-14 2024-09-30 13F SJW GROUP COM 784305104 25,016 0 0.00 1,454 7.15 0.0145
2024-08-13 2024-06-30 13F SJW GROUP COM 784305104 25,016 3,540 16.48 1,356 11.60 0.0129
2024-05-14 2024-03-31 13F SJW GROUP COM 784305104 21,476 -291 -1.34 1,215 -14.56 0.0116
2024-02-13 2023-12-31 13F SJW GROUP COM 784305104 21,767 -2,115 -8.86 1,422 -0.91 0.0142
2023-11-13 2023-09-30 13F SJW GROUP COM 784305104 23,882 3,568 17.56 1,436 0.77 0.0153
2023-08-11 2023-06-30 13F SJW GROUP COM 784305104 20,314 -454 -2.19 1,424 -9.93 0.0127
2023-05-12 2023-03-31 13F SJW GROUP COM 784305104 20,768 325 1.59 1,581 -4.70 0.0135
2023-02-13 2022-12-31 13F SJW GROUP COM 784305104 20,443 -4,667 -18.59 1,660 14.73 0.0142
2022-11-10 2022-09-30 13F SJW GROUP COM 784305104 25,110 -152 -0.60 1,446 -8.31 0.0101
2022-08-12 2022-06-30 13F SJW GROUP COM 784305104 25,262 -1,446 -5.41 1,577 -15.12 0.0086
2022-05-13 2022-03-31 13F SJW GROUP COM 784305104 26,708 -2,575 -8.79 1,858 -13.34 0.0072
2022-02-11 2021-12-31 13F SJW GROUP COM 784305104 29,283 10,871 59.04 2,144 76.32 0.0055
2021-11-04 2021-09-30 13F SJW GROUP COM 784305104 18,412 2,551 16.08 1,216 21.12 0.0024
2021-08-12 2021-06-30 13F SJW GROUP COM 784305104 15,861 -642 -3.89 1,004 -3.46 0.0020
2021-05-13 2021-03-31 13F SJW GROUP COM 784305104 16,503 -3,704 -18.33 1,040 -25.82 0.0022
2021-02-11 2020-12-31 13F SJW GROUP COM 784305104 20,207 0 0.00 1,402 13.98 0.0032
2020-11-12 2020-09-30 13F SJW GROUP COM 784305104 20,207 0 0.00 1,230 -1.99 0.0031
2020-08-14 2020-06-30 13F SJW GROUP COM 784305104 20,207 0 0.00 1,255 7.54 0.0038
2020-05-14 2020-03-31 13F SJW GROUP COM 784305104 20,207 -363 -1.76 1,167 -20.18 0.0040
2020-02-13 2019-12-31 13F SJW GROUP COM 784305104 20,570 0 0.00 1,462 4.06 0.0039
2019-11-13 2019-09-30 13F SJW GROUP COM 784305104 20,570 672 3.38 1,405 16.21 0.0040
2019-08-13 2019-06-30 13F SJW GROUP COM 784305104 19,898 0 0.00 1,209 -1.63 0.0035
2019-05-14 2019-03-31 13F SJW GROUP COM 784305104 19,898 6,520 48.74 1,229 65.19 0.0039
2019-03-11 2018-12-31 13F/A-1 SJW GROUP COM 784305104 13,378 -932 -6.51 744 -14.97 0.0027
2019-02-14 2018-12-31 13F SJW GROUP COM 784305104 13,378 -932 744
2018-11-14 2018-09-30 13F SJW GROUP COM 784305104 14,310 0 0.00 875 -7.70 0.0029
2018-08-13 2018-06-30 13F SJW GROUP COM 784305104 14,310 -837 -5.53 948 18.80 0.0033
2018-05-15 2018-03-31 13F SJW GROUP COM 784305104 15,147 0 0.00 798 -17.48 0.0029
2018-02-14 2017-12-31 13F SJW GROUP COM 784305104 15,147 2,147 16.52 967 31.39 0.0032
2017-11-13 2017-09-30 13F SJW GROUP COM 784305104 13,000 0 0.00 736 15.18 0.0028
2017-08-11 2017-06-30 13F SJW GROUP COM 784305104 13,000 0 0.00 639 -36.10 0.0027
2017-05-16 2017-03-31 13F SJW GROUP COM 784305104 13,000 -1,120 -7.93 1,000 26.58 0.0044
2017-02-15 2016-12-31 13F SJW GROUP COM 784305104 14,120 -1,006 -6.65 790 19.52 0.0037
2016-11-14 2016-09-30 13F SJW COM 784305104 15,126 0 0.00 661 10.91 0.0033
2016-08-19 2016-06-30 13F SJW COM 784305104 15,126 0 0.00 596 8.36 0.0033
2016-05-13 2016-03-31 13F SJW COM 784305104 15,126 0 0.00 550 22.77 0.0030
2016-02-11 2015-12-31 13F SJW COM 784305104 15,126 0 0.00 448 -3.66 0.0025
2015-11-10 2015-09-30 13F SJW COM 784305104 15,126 0 0.00 465 0.22 0.0029
2015-08-13 2015-06-30 13F SJW COM 784305104 15,126 0 0.00 464 -0.85 0.0029
2015-05-12 2015-03-31 13F SJW COM 784305104 15,126 -2,514 -14.25 468 -17.46 0.0030
2015-02-12 2014-12-31 13F SJW COM 784305104 17,640 0 0.00 567 19.62 0.0040
2014-11-13 2014-09-30 13F SJW COM 784305104 17,640 1,142 6.92 474 5.57 0.0037
2014-08-12 2014-06-30 13F SJW COM 784305104 16,498 -10,697 -39.33 449 -44.15 0.0034
2014-05-14 2014-03-31 13F SJW COM 784305104 27,195 0 0.00 804 -0.74 0.0063
2014-02-11 2013-12-31 13F SJW COM 784305104 27,195 0 0.00 810 6.30 0.0067
2013-11-13 2013-09-30 13F SJW COM 784305104 27,195 -9,619 -26.13 762 -92.10 0.0082
2013-08-21 2013-06-30 13F SJW COM 784305104 36,814 36,814 9,645 0.1076
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.