American Water Works Company, Inc.
MX ˙ BMV ˙ US0304201033
SecurityMX:AWK / American Water Works Company, Inc.
InstitutionBaldwin Brothers Inc/ma
Latest Disclosed Ownership3,100 shares
Latest Disclosed Value $ 421,879
Baldwin Brothers Inc/ma reports 12.60% decrease in ownership of AWK / American Water Works Company, Inc.

On April 14, 2026 - Baldwin Brothers Inc/ma filed a 13F-HR form disclosing ownership of 3,100 shares of American Water Works Company, Inc. (MX:AWK) valued at $421,879 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 7, 2026 disclosing 3,547 shares of American Water Works Company, Inc.. This represents a change in shares of -12.60% 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)
2026-04-14 2026-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 3,100 -447 -12.60 422 -8.87 0.0306
2026-01-07 2025-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 3,547 0 0.00 463 -6.29 0.0296
2025-10-14 2025-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 3,547 0 0.00 494 0.00 0.0322
2025-07-24 2025-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 3,547 0 0.00 493 -5.74 0.0335
2025-04-14 2025-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 3,547 0 0.00 523 18.59 0.0367
2025-01-22 2024-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 3,547 0 0.00 442 -14.86 0.0305
2024-10-16 2024-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 3,547 -543 -13.28 519 -1.89 0.0354
2024-07-12 2024-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 4,090 0 0.00 528 5.81 0.0412
2024-04-12 2024-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 4,090 -50 -1.21 500 -8.61 0.0376
2024-01-08 2023-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 4,140 -120 -2.82 546 3.61 0.0429
2023-10-10 2023-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 4,260 0 0.00 528 -13.32 0.0454
2023-07-14 2023-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 4,260 -21 -0.49 608 -3.03 0.0499
2023-04-21 2023-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 4,281 0 0.00 627 -3.83 0.0547
2023-01-27 2022-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 4,281 0 0.00 653 17.06 0.0592
2022-10-14 2022-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 4,281 -280 -6.14 557 -17.97 0.0770
2022-07-18 2022-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 4,561 0 0.00 679 -10.07 0.0880
2022-04-13 2022-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 4,561 0 0.00 755 -12.31 0.0628
2022-01-14 2021-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 4,561 -22 -0.48 861 11.10 0.0861
2021-10-27 2021-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 4,583 0 0.00 775 9.77 0.0860
2021-07-30 2021-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 4,583 -255 -5.27 706 -2.62 0.0771
2021-04-08 2021-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 4,838 -361 -6.94 725 -9.15 0.0861
2021-01-12 2020-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 5,199 0 0.00 798 5.98 0.1003
2020-10-16 2020-09-30 13F AMERICAN WTR WKS CO INC COM 030420103 5,199 0 0.00 753 12.56 0.1030
2020-07-21 2020-06-30 13F AMERICAN WTR WKS CO INC COM 030420103 5,199 -100 -1.89 669 5.52 0.0981
2020-04-15 2020-03-31 13F AMERICAN WTR WKS CO INC COM 030420103 5,299 0 0.00 634 -2.61 0.1110
2020-01-29 2019-12-31 13F AMERICAN WTR WKS CO INC COM 030420103 5,299 -50 -0.93 651 -2.11 0.0910
2019-10-10 2019-09-30 13F AMERICAN WTR WKS COMMON 030420103 5,349 -4,916 -47.89 665 -44.16 0.1001
2019-07-19 2019-06-30 13F AMERICAN WTR WKS COMMON 030420103 10,265 -1,711 -14.29 1,191 -4.64 0.1755
2019-04-24 2019-03-31 13F AMERICAN WTR WKS COMMON 030420103 11,976 -500 -4.01 1,249 10.34 0.1860
2019-02-01 2018-12-31 13F AMERICAN WTR WKS COMMON 030420103 12,476 0 0.00 1,132 3.10 0.1898
2018-10-26 2018-09-30 13F AMERICAN WTR WKS COMMON 030420103 12,476 -543 -4.17 1,098 -1.26 0.1538
2018-07-24 2018-06-30 13F AMERICAN WTR WKS COMMON 030420103 13,019 0 0.00 1,112 4.02 0.1728
2018-04-16 2018-03-31 13F AMERICAN WTR WKS COMMON 030420103 13,019 -3,173 -19.60 1,069 -27.82 0.1729
2018-01-24 2017-12-31 13F AMERICAN WTR WKS COMMON 030420103 16,192 -1,806 -10.03 1,481 1.72 0.2307
2017-10-26 2017-09-30 13F AMERICAN WTR WKS COMMON 030420103 17,998 -741 -3.95 1,456 -0.34 0.2341
2017-07-13 2017-06-30 13F AMERICAN WTR WKS COMMON 030420103 18,739 0 0.00 1,461 0.27 0.2349
2017-04-17 2017-03-31 13F AMERICAN WTR WKS COMMON 030420103 18,739 -5,009 -21.09 1,457 -15.19 0.2403
2017-01-10 2016-12-31 13F AMERICAN WTR WKS COMMON 030420103 23,748 1,659 7.51 1,718 3.93 0.3103
2016-11-08 2016-09-30 13F AMERICAN WTR WKS COMMON 030420103 22,089 0 0.00 1,653 -11.46 0.2999
2016-08-11 2016-06-30 13F AMERICAN WTR WKS COMMON 030420103 22,089 -2,380 -9.73 1,867 10.67 0.3842
2016-05-12 2016-03-31 13F AMERICAN WTR WKS COMMON 030420103 24,469 10,634 76.86 1,687 103.99 0.3028
2016-02-11 2015-12-31 13F American Water Works COM 030420103 13,835 -9,540 -40.81 827 -35.74 0.1347
2015-11-12 2015-09-30 13F American Water Works COM 030420103 23,375 -1,880 -7.44 1,287 4.80 0.2170
2015-08-10 2015-06-30 13F American Water Works COM 030420103 25,255 -703 -2.71 1,228 -12.72 0.1821
2015-05-11 2015-03-31 13F American Water Works COM 030420103 25,958 1,447 5.90 1,407 7.73 0.2073
2015-02-09 2014-12-31 13F American Water Works COM 030420103 24,511 -916 -3.60 1,306 6.53 0.1889
2014-11-13 2014-09-30 13F American Water Works COM 030420103 25,427 -6,023 -19.15 1,226 -21.16 0.1739
2014-08-08 2014-06-30 13F American Water Works COM 030420103 31,450 0 0.00 1,555 8.89 0.2308
2014-05-09 2014-03-31 13F American Water Works COM 030420103 31,450 765 2.49 1,428 10.10 0.2293
2014-02-12 2013-12-31 13F American Water Works COM 030420103 30,685 10,000 48.34 1,297 51.87 0.2083
2013-11-12 2013-09-30 13F American Water Works COM 030420103 20,685 200 0.98 854 1.07 0.1560
2013-08-14 2013-06-30 13F American Water Works COM 030420103 20,485 20,485 845 0.1671
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.