American Water Works Company, Inc.
MX ˙ BMV ˙ US0304201033
SecurityMX:AWK / American Water Works Company, Inc.
InstitutionChelsea Counsel Co
Latest Disclosed Ownership14,850 shares
Latest Disclosed Value $ 1,937,925
Chelsea Counsel Co ownership in AWK / American Water Works Company, Inc.

On April 23, 2026 - Chelsea Counsel Co filed a 13F-HR form disclosing ownership of 14,850 shares of American Water Works Company, Inc. (MX:AWK) valued at $1,937,925 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 24, 2026 disclosing 14,850 shares of American Water Works Company, Inc.. This represents a change in shares of 0.00% 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)
2026-04-23 2026-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 14,850 0 0.00 1,938 0.00 0.8254
2026-02-24 2025-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 14,850 0 0.00 1,938 -6.24 0.8323
2025-11-25 2025-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 14,850 20 0.13 2,067 0.15 0.9179
2025-07-18 2025-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 14,830 0 0.00 2,063 -5.67 1.0230
2025-05-22 2025-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 14,830 0 0.00 2,188 18.47 1.1892
2025-02-27 2024-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 14,830 -150 -1.00 1,846 -15.71 0.9529
2024-11-21 2024-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 14,980 -2,285 -13.23 2,191 -1.75 1.0795
2024-11-21 2024-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 17,265 0 0.00 2,230 5.69 1.1129
2024-06-17 2024-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 17,265 -750 -4.16 2,110 -11.27 1.1963
2024-02-21 2023-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 18,015 -435 -2.36 2,378 4.07 1.2613
2023-11-22 2023-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 18,450 -200 -1.07 2,285 -14.20 1.1754
2023-11-22 2023-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 18,650 -550 -2.86 2,662 -5.33 1.3106
2023-05-19 2023-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 19,200 -900 -4.48 2,813 -8.19 1.3659
2023-02-23 2022-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 20,100 -2,710 -11.88 3,064 3.17 1.5300
2022-10-31 2022-09-30 13F AMERICAN WATER WORKS COMMON 030420103 22,810 0 0.00 2,969 -12.52 1.8307
2022-08-01 2022-06-30 13F AMERICAN WATER WORKS COMMON 030420103 22,810 -1,090 -4.56 3,394 -14.21 1.7436
2022-05-24 2022-03-31 13F AMERICAN WATER WORKS COMMON 030420103 23,900 -215 -0.89 3,956 -13.13 1.7429
2022-05-23 2021-12-31 13F AMERICAN WATER WORKS COMMON 030420103 24,115 -1,150 -4.55 4,554 6.63 1.9717
2022-02-10 2021-09-30 13F AMERICAN WATER WORKS COMMON 030420103 25,265 -250 -0.98 4,271 8.59 1.9422
2022-02-10 2021-06-30 13F AMERICAN WATER WORKS COMMON 030420103 25,515 0 0.00 3,933 2.80 1.8129
2022-02-10 2021-03-31 13F AMERICAN WATER WORKS COMMON 030420103 25,515 -680 -2.60 3,826 -4.83 1.8965
2022-03-08 2020-12-31 13F AMERICAN WATER WORKS COMMON 030420103 26,195 -40 -0.15 4,020 5.76 2.0689
2022-05-06 2020-09-30 13F AMERICAN WATER WORKS COMMON 030420103 26,235 -1,130 -4.13 3,801 7.95 1.5263
2022-05-06 2020-09-30 13F AMERICAN WATER WORKS COMMON 030420103 26,235 3,801
2022-05-06 2020-06-30 13F AMERICAN WATER WORKS COMMON 030420103 27,365 -760 -2.70 3,521 4.70 1.3481
2022-05-06 2020-06-30 13F AMERICAN WATER WORKS COMMON 030420103 27,365 3,521
2020-06-12 2020-03-31 13F AMERICAN WATER WORKS COMMON 030420103 28,125 -24,032 -46.08 3,363 -47.52 2.6368
2020-03-23 2019-12-31 13F AMERICAN WATER WORKS COMMON 030420103 52,157 -2,010 -3.71 6,408 -4.77 3.8987
2020-03-27 2019-09-30 13F/A-1 AMERICAN WATER WORKS COMMON 030420103 54,167 -11,574 -17.61 6,729 -11.76 4.0505
2020-03-23 2019-09-30 13F AMERICAN WATER WORKS COMMON 030420103 48,806 -16,935 0
2019-12-09 2019-06-30 13F AMERICAN WATER WORKS COMMON 030420103 65,741 -29 -0.04 7,626 11.21 4.0815
2019-12-09 2019-03-31 13F AMERICAN WATER WORKS COMMON 030420103 65,770 -500 -0.75 6,857 13.98 3.6948
2019-12-09 2018-12-31 13F AMERICAN WATER WORKS COMMON 030420103 66,270 301 0.46 6,016 3.67 3.6516
2019-12-09 2018-09-30 13F AMERICAN WATER WORKS COMMON 030420103 65,969 4,701 7.67 5,803 10.93 3.0246
2018-10-03 2018-06-30 13F AMERICAN WATER WORKS COMMON 030420103 61,268 -7,134 -10.43 5,231 -6.89 3.1137
2018-10-03 2018-03-31 13F AMERICAN WATER WORKS COMMON 030420103 68,402 251 0.37 5,618 -9.90 3.6127
2018-01-12 2017-12-31 13F AMERICAN WATER WORKS COMMON 030420103 68,151 -12,357 -15.35 6,235 -4.28 3.3296
2018-01-12 2017-09-30 13F AMERICAN WATER WORKS COMMON 030420103 80,508 -1,450 -1.77 6,514 1.97 3.2622
2018-01-22 2017-06-30 13F AMERICAN WATER WORKS COMMON 030420103 81,958 -2,308 -2.74 6,388 -2.52 3.3218
2017-04-20 2017-03-31 13F AMERICAN WATER WORKS COMMON 030420103 84,266 -29 -0.03 6,553 7.43 3.3673
2017-04-20 2016-12-31 13F AMERICAN WATER WORKS COMMON 030420103 84,295 625 0.75 6,100 -2.57 3.2059
2016-11-01 2016-09-30 13F AMERICAN WATER WORKS COMMON 030420103 83,670 3,125 3.88 6,261 -8.02 3.2036
2016-11-01 2016-06-30 13F AMERICAN WATER WORKS COMMON 030420103 80,545 -55,060 -40.60 6,807 -27.17 3.0759
2016-06-01 2016-03-31 13F AMERICAN WATER WORKS COMMON 030420103 135,605 1,720 1.28 9,347 16.84 3.0083
2016-04-07 2015-12-31 13F AMERICAN WATER WORKS COMMON 030420103 133,885 -125,825 -48.45 8,000 -44.08 2.4146
2015-12-22 2015-09-30 13F AMERICAN WATER WORKS COMMON 030420103 259,710 -31,400 -10.79 14,305 1.05 3.4057
2015-08-31 2015-06-30 13F/A-1 AMERICAN WATER WORKS COMMON 030420103 272,210 -20,375 13,461 2.5782
2015-09-10 2015-06-30 13F/A-2 AMERICAN WATER WORKS COMMON 030420103 291,110 -1,475 -0.50 14,156 -10.75 3.1683
2015-08-28 2015-06-30 13F AMERICAN WATER WORKS COMMON 030420103 272,210 13,461
2015-05-29 2015-03-31 13F AMERICAN WATER WORKS COMMON 030420103 292,585 4,100 1.42 15,861 3.15 3.4147
2015-05-29 2014-12-31 13F AMERICAN WATER WORKS COMMON 030420103 288,485 6,270 2.22 15,377 12.97 3.1646
2014-12-16 2014-09-30 13F AMERICAN WATER WORKS COMMON 030420103 282,215 10,005 3.68 13,611 1.11 2.7158
2014-09-04 2014-06-30 13F AMERICAN WATER WORKS COMMON 030420103 272,210 3,740 1.39 13,461 10.44 2.6279
2014-07-08 2014-03-31 13F AMERICAN WATER WORKS COMMON 030420103 268,470 45,635 20.48 12,188 29.43 2.4757
2014-03-24 2013-12-31 13F AMERICAN WATER WORKS COMMON 030420103 222,835 -64,730 -22.51 9,417 -20.67 2.2289
2013-11-14 2013-09-30 13F AMERICAN WATER WORKS COMMON 030420103 287,565 65,335 29.40 11,871 29.55 2.4609
2013-11-14 2013-06-30 13F AMERICAN WATER WORKS COMMON 030420103 222,230 222,230 9,163 2.4043
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.