American Water Works Company, Inc.
MX ˙ BMV ˙ US0304201033
SecurityMX:AWK / American Water Works Company, Inc.
InstitutionHarbour Investment Management Llc
Latest Disclosed Ownership1,625 shares
Latest Disclosed Value $ 221,146
Harbour Investment Management Llc reports 17.09% decrease in ownership of AWK / American Water Works Company, Inc.

On April 23, 2026 - Harbour Investment Management Llc filed a 13F-HR form disclosing ownership of 1,625 shares of American Water Works Company, Inc. (MX:AWK) valued at $221,146 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 1,960 shares of American Water Works Company, Inc.. This represents a change in shares of -17.09% 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 1,625 -335 -17.09 221 -13.33 0.1201
2026-02-12 2025-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 1,960 -800 -28.99 256 -33.59 0.1356
2025-12-15 2025-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 2,760 -500 -15.34 384 -15.23 0.1670
2025-07-31 2025-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 3,260 0 0.00 453 -5.62 0.1961
2025-04-30 2025-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 3,260 0 0.00 481 18.52 0.2175
2025-02-10 2024-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 3,260 0 0.00 406 -14.92 0.1780
2024-10-29 2024-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 3,260 -50 -1.51 477 11.48 0.2112
2024-07-23 2024-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 3,310 -500 -13.12 428 -8.17 0.1975
2024-05-09 2024-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 3,810 0 0.00 466 -7.37 0.2185
2024-02-09 2023-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 3,810 -100 -2.56 503 3.72 0.2624
2023-11-14 2023-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 3,910 -150 -3.69 484 -16.41 0.2764
2023-08-11 2023-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 4,060 0 0.00 580 -2.53 0.3049
2023-05-12 2023-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 4,060 0 0.00 595 -3.88 0.3292
2023-02-13 2022-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 4,060 -350 -7.94 619 7.67 0.3567
2022-11-15 2022-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 4,410 0 0.00 574 -12.50 0.3594
2022-08-15 2022-06-30 13F American Water Wks COM 030420103 4,410 -410 -8.51 656 -17.79 0.3948
2022-05-16 2022-03-31 13F American Water Wks COM 030420103 4,820 -130 -2.63 798 -14.65 0.3880
2022-02-14 2021-12-31 13F American Water Wks COM 030420103 4,950 0 0.00 935 11.71 0.4260
2021-11-15 2021-09-30 13F American Water Wks COM 030420103 4,950 0 0.00 837 13.11 0.4241
2021-08-16 2021-06-30 13F American Water Wks COM 030420103 4,950 -1,541 -23.74 740 -23.95 0.3707
2021-05-17 2021-03-31 13F American Water Wks COM 030420103 6,491 -150 -2.26 973 -4.51 0.5184
2021-02-08 2020-12-31 13F American Water Wks COM 030420103 6,641 0 0.00 1,019 5.93 0.5688
2020-10-22 2020-09-30 13F American Water Wks COM 030420103 6,641 -25 -0.38 962 12.12 0.5957
2020-07-31 2020-06-30 13F American Water Wks COM 030420103 6,666 -366 -5.20 858 2.02 0.5991
2020-04-17 2020-03-31 13F American Water Wks COM 030420103 7,032 -1,183 -14.40 841 -16.65 0.6731
2020-02-04 2019-12-31 13F American Water Wks COM 030420103 8,215 -1,750 -17.56 1,009 -18.50 0.6644
2019-11-08 2019-09-30 13F American Water Wks COM 030420103 9,965 -180 -1.77 1,238 5.18 0.8787
2019-07-26 2019-06-30 13F American Water Wks COM 030420103 10,145 -255 -2.45 1,177 8.58 0.8306
2019-05-03 2019-03-31 13F American Water Wks COM 030420103 10,400 -530 -4.85 1,084 9.27 0.8006
2019-02-08 2018-12-31 13F American Water Wks COM 030420103 10,930 -425 -3.74 992 -0.70 0.8148
2018-11-05 2018-09-30 13F American Water Wks COM 030420103 11,355 -410 -3.48 999 -0.50 0.7298
2018-07-31 2018-06-30 13F American Water Wks COM 030420103 11,765 -430 -3.53 1,004 0.20 0.7855
2018-04-30 2018-03-31 13F American Water Wks COM 030420103 12,195 -250 -2.01 1,002 -12.03 0.7479
2018-02-02 2017-12-31 13F American Water Wks COM 030420103 12,445 -1,450 -10.44 1,139 1.33 0.8023
2017-11-07 2017-09-30 13F American Water Wks COM 030420103 13,895 -150 -1.07 1,124 2.65 0.7873
2017-08-04 2017-06-30 13F American Water Wks COM 030420103 14,045 -430 -2.97 1,095 -2.75 0.7995
2017-05-03 2017-03-31 13F American Water Wks COM 030420103 14,475 -885 -5.76 1,126 1.35 0.8335
2017-02-10 2016-12-31 13F American Water COM 030420103 15,360 -230 -1.48 1,111 -4.80 0.8433
2016-11-03 2016-09-30 13F American Wtr Wrks COM 030420103 15,590 -200 -1.27 1,167 -12.52 0.8936
2016-08-22 2016-06-30 13F American Wtr Wrks COM 030420103 15,790 -225 -1.40 1,334 20.83 1.0209
2016-05-09 2016-03-31 13F American Wtr Wrks COM 030420103 16,015 -450 -2.73 1,104 12.20 0.8483
2016-02-12 2015-12-31 13F American Wtr Wrks COM 030420103 16,465 -200 -1.20 984 7.19 0.7663
2015-11-06 2015-09-30 13F American Wtr Wrks COM 030420103 16,665 0 0.00 918 13.33 0.7386
2015-08-07 2015-06-30 13F American Wtr Wrks COM 030420103 16,665 320 1.96 810 -8.58 0.6087
2015-05-14 2015-03-31 13F American Wtr Wrks COM 030420103 16,345 -1,000 -5.77 886 -4.11 0.6509
2015-02-13 2014-12-31 13F American Wtr Wrks COM 030420103 17,345 17,345 924 0.5815
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.