Ecolab Inc.
MX ˙ BMV ˙ US2788651006
SecurityMX:ECL / Ecolab Inc.
InstitutionWilliams Jones Wealth Management, LLC.
Latest Disclosed Ownership723,014 shares
Latest Disclosed Value $ 192,336,195
Williams Jones Wealth Management, LLC. reports 0.49% decrease in ownership of ECL / Ecolab Inc.

On May 5, 2026 - Williams Jones Wealth Management, LLC. filed a 13F-HR form disclosing ownership of 723,014 shares of Ecolab Inc. (MX:ECL) valued at $192,336,195 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 726,578 shares of Ecolab Inc.. This represents a change in shares of -0.49% 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)
2026-05-05 2026-03-31 13F ECOLAB INC COM CS 278865100 723,014 -3,564 -0.49 192,336 0.84 2.3633
2026-02-13 2025-12-31 13F ECOLAB INC COM CS 278865100 726,578 -6,389 -0.87 190,741 -4.98 2.1549
2025-11-14 2025-09-30 13F ECOLAB INC COM CS 278865100 732,967 5,815 0.80 200,730 2.45 2.2969
2025-08-14 2025-06-30 13F ECOLAB INC COM CS 278865100 727,152 655 0.09 195,924 6.38 2.3429
2025-05-15 2025-03-31 13F ECOLAB INC COM CS 278865100 726,497 -7,056 -0.96 184,182 7.15 2.3537
2025-02-14 2024-12-31 13F ECOLAB INC COM CS 278865100 733,553 -766 -0.10 171,886 -8.32 2.0733
2024-11-14 2024-09-30 13F ECOLAB INC COM CS 278865100 734,319 2,700 0.37 187,494 7.68 2.1983
2024-08-05 2024-06-30 13F ECOLAB INC COM CS 278865100 731,619 -448 -0.06 174,125 3.01 2.1605
2024-05-07 2024-03-31 13F ECOLAB INC COM CS 278865100 732,067 -3,445 -0.47 169,034 15.87 2.1516
2024-02-14 2023-12-31 13F ECOLAB INC COM CS 278865100 735,512 -6,835 -0.92 145,889 16.01 2.0430
2023-11-14 2023-09-30 13F ECOLAB INC COM CS 278865100 742,347 17,342 2.39 125,754 -7.09 1.9327
2023-08-14 2023-06-30 13F ECOLAB INC COM CS 278865100 725,005 -23,514 -3.14 135,351 9.24 2.0271
2023-05-15 2023-03-31 13F ECOLAB INC COM CS 278865100 748,519 -7,000 -0.93 123,902 12.67 1.9409
2023-02-14 2022-12-31 13F ECOLAB INC COM CS 278865100 755,519 -64,910 -7.91 109,973 -7.18 1.8416
2022-11-14 2022-09-30 13F ECOLAB INC COM CS 278865100 820,429 -20,817 -2.47 118,486 -8.40 2.0623
2022-08-15 2022-06-30 13F ECOLAB INC COM CS 278865100 841,246 -8,453 -0.99 129,350 -13.78 2.0935
2022-05-16 2022-03-31 13F ECOLAB INC COM CS 278865100 849,699 -39,655 -4.46 150,023 -28.09 2.0899
2022-02-14 2021-12-31 13F ECOLAB INC COM CS 278865100 889,354 -1,256 -0.14 208,634 12.29 2.6063
2021-11-15 2021-09-30 13F ECOLAB INC COM CS 278865100 890,610 -10,332 -1.15 185,799 0.13 2.5998
2021-08-16 2021-06-30 13F ECOLAB INC COM CS 278865100 900,942 9,667 1.08 185,567 -2.74 2.5953
2021-05-17 2021-03-31 13F ECOLAB INC COM CS 278865100 891,275 17,250 1.97 190,795 0.89 2.9841
2021-02-16 2020-12-31 13F ECOLAB INC COM CS 278865100 874,025 15,503 1.81 189,104 10.22 3.0839
2020-11-13 2020-09-30 13F ECOLAB INC COM CS 278865100 858,522 53,903 6.70 171,567 7.18 3.1731
2020-08-14 2020-06-30 13F ECOLAB INC COM CS 278865100 804,619 12,152 1.53 160,079 29.63 3.2784
2020-05-15 2020-03-31 13F ECOLAB INC COM CS 278865100 792,467 -12,577 -1.56 123,490 -20.52 3.2244
2020-02-14 2019-12-31 13F ECOLAB INC COM CS 278865100 805,044 5,345 0.67 155,365 -1.90 2.9723
2019-11-14 2019-09-30 13F ECOLAB INC COM CS 278865100 799,699 799,699 158,372 3.2502
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.