American Water Works Company, Inc.
MX ˙ BMV ˙ US0304201033
SecurityMX:AWK / American Water Works Company, Inc.
InstitutionM&t Bank Corp
Latest Disclosed Ownership42,243 shares
Latest Disclosed Value $ 5,748,851
M&t Bank Corp reports 13.27% decrease in ownership of AWK / American Water Works Company, Inc.

On May 12, 2026 - M&t Bank Corp filed a 13F-HR form disclosing ownership of 42,243 shares of American Water Works Company, Inc. (MX:AWK) valued at $5,748,851 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on January 30, 2026 disclosing 48,704 shares of American Water Works Company, Inc.. This represents a change in shares of -13.27% 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)
2026-05-12 2026-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 42,243 -6,461 -13.27 5,749 -9.55 0.0047
2026-01-30 2025-12-31 13F/A-1 AMERICAN WTR WKS CO INC COM 030420103 48,704 -3,381 -6.49 6,356 -12.33 0.0204
2026-01-28 2025-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 191,622 139,537 3,845 0.0023
2025-11-14 2025-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 52,085 -6,137 -10.54 7,249 -10.50 0.0244
2025-08-13 2025-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 58,222 -2,108 -3.49 8,099 -8.99 0.0278
2025-04-30 2025-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 60,330 -4,919 -7.54 8,899 9.57 0.0324
2025-02-06 2024-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 65,249 2,113 3.35 8,123 -12.03 0.0272
2024-11-19 2024-09-30 13F/A-1 AMERICAN WTR WKS CO INC COM 030420103 63,136 1,331 2.15 9,233 15.67 0.0304
2024-11-15 2024-09-30 13F AIRBNB COM CL A 030420103 15,097 -46,708 1,914 0.0012
2024-07-31 2024-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 61,805 31,874 106.49 7,983 118.21 0.0272
2024-05-07 2024-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 29,931 -1,128 -3.63 3,658 -10.76 0.0127
2024-02-06 2023-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 31,059 -408 -1.30 4,100 5.21 0.0151
2023-11-02 2023-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 31,467 -3,249 -9.36 3,896 -21.37 0.0155
2023-08-09 2023-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 34,716 -1,645 -4.52 4,956 -6.97 0.0185
2023-05-11 2023-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 36,361 1,096 3.11 5,326 -0.91 0.0206
2023-02-13 2022-12-31 13F/A-1 AMERICAN WTR WKS CO INC COM 030420103 35,265 -1,128 -3.10 5,375 13.47 0.0216
2023-02-13 2022-12-31 13F AMERICAN TOWER CORP COM 030420103 28,411 -7,982 4,331 0.0174
2022-11-17 2022-09-30 13F/A-1 AMERICAN WTR WKS CO INC COM 030420103 36,393 -2,139 -5.55 4,737 73.96 0.0210
2022-11-14 2022-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 36,393 -2,139 4,737 0.0040
2022-08-05 2022-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 38,532 21,674 128.57 2,723 -2.44 0.0128
2022-05-09 2022-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 16,858 633 3.90 2,791 -8.91 0.0123
2022-02-07 2021-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 16,225 -344 -2.08 3,064 9.39 0.0129
2021-10-28 2021-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 16,569 -450 -2.64 2,801 6.79 0.0126
2021-08-13 2021-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 17,019 892 5.53 2,623 8.52 0.0115
2021-05-06 2021-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 16,127 -2,936 -15.40 2,417 -17.40 0.0104
2021-02-12 2020-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 19,063 -265 -1.37 2,926 4.43 0.0128
2020-11-06 2020-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 19,328 -175 -0.90 2,802 11.63 0.0138
2020-07-29 2020-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 19,503 -300 -1.51 2,510 6.04 0.0135
2020-05-14 2020-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 19,803 -175 -0.88 2,367 -3.51 0.0140
2020-02-07 2019-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 19,978 -1,035 -4.93 2,453 -6.02 0.0115
2019-11-12 2019-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 21,013 3,130 17.50 2,610 25.78 0.0130
2019-08-12 2019-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 17,883 2,026 12.78 2,075 25.53 0.0108
2019-05-15 2019-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 15,857 1,922 13.79 1,653 30.67 0.0086
2019-02-01 2018-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 13,935 626 4.70 1,265 8.03 0.0073
2018-11-09 2018-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 13,309 955 7.73 1,171 10.89 0.0059
2018-08-10 2018-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 12,354 -7,770 -38.61 1,056 -36.12 0.0057
2018-05-04 2018-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 20,124 -870 -4.14 1,653 -13.95 0.0089
2018-02-06 2017-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 20,994 1,285 6.52 1,921 20.44 0.0101
2017-11-13 2017-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 19,709 -60 -0.30 1,595 3.50 0.0087
2017-08-11 2017-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 19,769 5,479 38.34 1,541 38.58 0.0091
2017-05-10 2017-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 14,290 -3,949 -21.65 1,112 -15.69 0.0067
2017-02-14 2016-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 18,239 1,381 8.19 1,319 4.60 0.0082
2016-11-04 2016-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 16,858 1,172 7.47 1,261 -4.97 0.0080
2016-08-04 2016-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 15,686 1,849 13.36 1,327 39.24 0.0089
2016-05-11 2016-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 13,837 3,568 34.75 953 55.21 0.0065
2016-02-12 2015-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 10,269 -11,154 -52.07 614 -47.97 0.0041
2015-11-13 2015-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 21,423 -681 -3.08 1,180 9.77 0.0080
2015-08-14 2015-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 22,104 161 0.73 1,075 -9.66 0.0065
2015-05-14 2015-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 21,943 -6,770 -23.58 1,190 -22.22 0.0074
2015-02-12 2014-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 28,713 -1,543 -5.10 1,530 4.79 0.0096
2014-11-14 2014-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 30,256 26,466 698.31 1,460 676.60 0.0102
2014-08-13 2014-06-30 13F AMERICAN WATER WORKS COMMON 030420103 3,790 0 0.00 188 9.30 0.0079
2014-05-14 2014-03-31 13F AMERICAN WATER WORKS COMMON STOCK 030420103 3,790 150 4.12 172 11.69 0.0071
2014-02-12 2013-12-31 13F AMERICAN WATER WORKS COMMON STOCK 030420103 3,640 250 7.37 154 10.00 0.0065
2013-11-13 2013-09-30 13F AMERICAN WATER WORKS COMMON STOCK 030420103 3,390 0 0.00 140 0.00 0.0067
2013-07-30 2013-06-30 13F AMERICAN WATER WORKS COMMON STOCK 030420103 3,390 3,390 140 0.0068
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.