Waters Corporation
MX ˙ BMV ˙ US9418481035
SecurityMX:WAT / Waters Corporation
InstitutionWhittier Trust Co
Latest Disclosed Ownership956 shares
Latest Disclosed Value $ 290,710
Whittier Trust Co reports 340.55% increase in ownership of WAT / Waters Corporation

On April 28, 2026 - Whittier Trust Co filed a 13F-HR form disclosing ownership of 956 shares of Waters Corporation (MX:WAT) valued at $290,710 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 26, 2026 disclosing 217 shares of Waters Corporation. This represents a change in shares of 340.55% 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)
2026-04-28 2026-03-31 13F WATERS common 941848103 956 739 340.55 291 237.21 0.0033
2026-01-26 2025-12-31 13F WATERS common 941848103 217 0 0.00 87 21.13 0.0009
2025-10-31 2025-09-30 13F WATERS common 941848103 217 0 0.00 71 -5.33 0.0008
2025-07-30 2025-06-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 217 0 0.00 76 -5.06 0.0009
2025-05-02 2025-03-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 217 -200 -47.96 80 -48.70 0.0011
2025-02-11 2024-12-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 417 0 0.00 155 2.67 0.0020
2024-10-21 2024-09-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 417 0 0.00 150 25.00 0.0020
2024-07-29 2024-06-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 417 -51 -10.90 121 -25.47 0.0017
2024-05-02 2024-03-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 468 0 0.00 161 4.55 0.0023
2024-01-11 2023-12-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 468 -59 -11.20 154 6.94 0.0025
2023-10-27 2023-09-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 527 7 1.35 145 4.35 0.0026
2023-07-24 2023-06-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 520 0 0.00 139 -14.29 0.0024
2023-04-21 2023-03-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 520 38 7.88 161 -2.42 0.0029
2023-01-25 2022-12-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 482 70 16.99 165 48.65 0.0032
2022-10-21 2022-09-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 412 0 0.00 111 -18.38 0.0023
2022-07-28 2022-06-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 412 90 27.95 136 36.00 0.0027
2022-04-29 2022-03-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 322 0 0.00 100 -16.67 0.0017
2022-01-19 2021-12-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 322 0 0.00 120 4.35 0.0019
2021-11-01 2021-09-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 322 0 0.00 115 3.60 0.0021
2021-07-29 2021-06-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 322 -5 -1.53 111 19.35 0.0020
2021-04-26 2021-03-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 327 -23 -6.57 93 6.90 0.0018
2021-01-29 2020-12-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 350 0 0.00 87 27.94 0.0019
2020-10-30 2020-09-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 350 0 0.00 68 7.94 0.0016
2020-07-10 2020-06-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 350 0 0.00 63 -1.56 0.0017
2020-04-27 2020-03-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 350 -41 -10.49 64 -29.67 0.0021
2020-01-31 2019-12-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 391 5 1.30 91 5.81 0.0024
2019-10-18 2019-09-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 386 17 4.61 86 8.86 0.0025
2019-07-23 2019-06-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 369 0 0.00 79 -15.05 0.0023
2019-04-29 2019-03-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 369 69 23.00 93 63.16 0.0028
2019-02-07 2018-12-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 300 0 0.00 57 -1.72 0.0020
2018-10-23 2018-09-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 300 -58 -16.20 58 -15.94 0.0018
2018-07-27 2018-06-30 13F/A-1 WATERS CORP COM US LARGE-CAP EQUITIES 941848103 358 0 0.00 69 -4.17 0.0023
2018-07-20 2018-06-30 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 58 -300 6
2018-05-01 2018-03-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 358 0 0.00 72 4.35 0.0024
2018-02-07 2017-12-31 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 358 0 0.00 69 7.81 0.0024
2017-10-23 2017-09-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 358 0 0.00 64 -3.03 0.0023
2017-07-20 2017-06-30 13F WATERS CORP COM US LARGE-CAP EQUITIES 941848103 358 0 0.00 66 17.86 0.0026
2017-04-26 2017-03-31 13F WATERS US SMALL AND MID-CAP EQUITIES 941848103 358 0 0.00 56 16.67 0.0023
2017-01-18 2016-12-31 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 358 0 0.00 48 -15.79 0.0020
2016-11-10 2016-09-30 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 358 0 0.00 57 14.00 0.0025
2016-07-28 2016-06-30 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 358 0 0.00 50 4.17 0.0022
2016-04-28 2016-03-31 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 358 300 517.24 48 500.00 0.0021
2016-02-10 2015-12-31 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 58 0 0.00 8 14.29 0.0004
2015-11-12 2015-09-30 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 58 0 0.00 7 0.00 0.0003
2015-08-13 2015-06-30 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 58 0 0.00 7 0.00 0.0003
2015-05-05 2015-03-31 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 58 58 0.00 7 0.0003
2015-02-04 2014-12-31 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 0 -58 -100.00 0 -100.00
2014-11-07 2014-09-30 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 58 0 0.00 6 0.00 0.0003
2014-08-04 2014-06-30 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 58 0 0.00 6 0.00 0.0003
2014-05-01 2014-03-31 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 58 0 0.00 6 0.00 0.0003
2014-02-05 2013-12-31 13F WATERS CORP COM US SMALL AND MID-CAP EQUITIES 941848103 58 0 0.00 6 0.00 0.0003
2013-11-18 2013-09-30 13F WATERS COM 941848103 58 0 0.00 6 0.00 0.0003
2013-08-14 2013-06-30 13F WATERS COM 941848103 58 58 6 0.0003
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.