Ecolab Inc.
US ˙ NYSE ˙ US2788651006

SecurityECL / Ecolab Inc.
InstitutionRegions Financial Corp
Latest Disclosed Ownership5,871 shares
Latest Disclosed Value $ 1,561,804
Regions Financial Corp reports 20.93% decrease in ownership of ECL / Ecolab Inc.

On May 5, 2026 - Regions Financial Corp filed a 13F-HR form disclosing ownership of 5,871 shares of Ecolab Inc. (US:ECL) valued at $1,561,803 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 27, 2026 disclosing 7,425 shares of Ecolab Inc.. This represents a change in shares of -20.93% during the quarter. The current value of the position is $1,501,039 USD.

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 COM 278865100 5,871 -1,554 -20.93 1,562 -19.91 0.0101
2026-01-27 2025-12-31 13F ECOLAB COM 278865100 7,425 246 3.43 1,949 -0.86 0.0125
2025-11-19 2025-09-30 13F/A-1 ECOLAB COM 278865100 7,179 -571 -7.37 1,966 -5.84 0.0128
2025-11-19 2025-09-30 13F ECOLAB COM 278865100 7,179 -571 1,966 0.0127
2025-07-29 2025-06-30 13F ECOLAB COM 278865100 7,750 92 1.20 2,088 7.57 0.0144
2025-05-08 2025-03-31 13F ECOLAB COM 278865100 7,658 -1,480 -16.20 1,941 -9.34 0.0145
2025-02-14 2024-12-31 13F ECOLAB COM 278865100 9,138 -1,897 -17.19 2,141 -24.00 0.0157
2024-11-14 2024-09-30 13F ECOLAB COM 278865100 11,035 -403 -3.52 2,818 3.49 0.0203
2024-07-31 2024-06-30 13F ECOLAB COM 278865100 11,438 260 2.33 2,722 5.46 0.0207
2024-04-23 2024-03-31 13F ECOLAB COM 278865100 11,178 4,130 58.60 2,581 84.75 0.0196
2024-02-06 2023-12-31 13F ECOLAB COM 278865100 7,048 -153 -2.12 1,398 14.60 0.0115
2023-11-01 2023-09-30 13F ECOLAB COM 278865100 7,201 -599 -7.68 1,220 -16.28 0.0110
2023-08-09 2023-06-30 13F ECOLAB COM 278865100 7,800 -816 -9.47 1,456 145,500.00 0.0126
2023-05-12 2023-03-31 13F ECOLAB COM 278865100 8,616 -600 -6.51 1 0.00 0.0128
2023-02-06 2022-12-31 13F ECOLAB COM 278865100 9,216 -1,795 -16.30 1 -99.94 0.0123
2022-11-03 2022-09-30 13F ECOLAB COM 278865100 11,011 -1,089 -9.00 1,590 -14.56 0.0160
2022-07-25 2022-06-30 13F ECOLAB COM 278865100 12,100 -3,144 -20.62 1,861 -30.87 0.0177
2022-04-25 2022-03-31 13F ECOLAB COM 278865100 15,244 -17,457 -53.38 2,692 -64.91 0.0217
2022-01-31 2021-12-31 13F ECOLAB COM 278865100 32,701 -3,599 -9.91 7,671 1.29 0.0598
2021-11-04 2021-09-30 13F ECOLAB COM 278865100 36,300 -4,697 -11.46 7,573 -10.33 0.0655
2021-07-27 2021-06-30 13F ECOLAB COM 278865100 40,997 -17,093 -29.43 8,445 -32.09 0.0730
2021-06-02 2021-03-31 13F ECOLAB COM 278865100 58,090 -51,982 -47.23 12,436 -47.78 0.1126
2021-02-05 2020-12-31 13F ECOLAB COM 278865100 110,072 -2,509 -2.23 23,815 5.85 0.2295
2020-10-15 2020-09-30 13F ECOLAB COM 278865100 112,581 906 0.81 22,499 1.26 0.2454
2020-07-27 2020-06-30 13F ECOLAB COM 278865100 111,675 1,921 1.75 22,218 29.91 0.2586
2020-04-29 2020-03-31 13F ECOLAB COM 278865100 109,754 2,369 2.21 17,103 -17.47 0.2276
2020-02-03 2019-12-31 13F ECOLAB COM 278865100 107,385 -8,902 -7.66 20,724 -10.01 0.2174
2019-10-24 2019-09-30 13F ECOLAB COM 278865100 116,287 -3,060 -2.56 23,030 -2.27 0.2557
2019-07-19 2019-06-30 13F ECOLAB COM 278865100 119,347 -5,089 -4.09 23,564 7.27 0.2658
2019-04-19 2019-03-31 13F ECOLAB COM 278865100 124,436 -2,289 -1.81 21,968 17.65 0.2529
2019-01-28 2018-12-31 13F Ecolab COM 278865100 126,725 -3,503 -2.69 18,673 -8.54 0.2334
2018-10-22 2018-09-30 13F Ecolab COM 278865100 130,228 -2,804 -2.11 20,417 9.36 0.2202
2018-07-26 2018-06-30 13F Ecolab COM 278865100 133,032 -16,850 -11.24 18,669 -9.13 0.2108
2018-04-18 2018-03-31 13F Ecolab COM 278865100 149,882 -35,646 -19.21 20,545 -17.47 0.2306
2018-01-18 2017-12-31 13F Ecolab COM 278865100 185,528 -27,639 -12.97 24,895 -9.19 0.2693
2017-10-23 2017-09-30 13F ECOLAB COMMON STOCK 278865100 213,167 6,819 3.30 27,415 0.08 0.3114
2017-07-31 2017-06-30 13F ECOLAB COMMON STOCK 278865100 206,348 -12,773 -5.83 27,393 -0.26 0.3215
2017-05-02 2017-03-31 13F ECOLAB COMMON STOCK 278865100 219,121 -7,355 -3.25 27,464 3.45 0.3251
2017-02-03 2016-12-31 13F ECOLAB COMMON STOCK 278865100 226,476 -6,830 -2.93 26,547 -6.52 0.3250
2016-10-28 2016-09-30 13F ECOLAB COMMON STOCK 278865100 233,306 -13,221 -5.36 28,398 -2.87 0.3660
2016-07-26 2016-06-30 13F ECOLAB COMMON STOCK 278865100 246,527 -18,849 -7.10 29,238 -1.21 0.3791
2016-05-02 2016-03-31 13F ECOLAB COMMON STOCK 278865100 265,376 -6,136 -2.26 29,595 -4.70 0.3923
2016-01-29 2015-12-31 13F ECOLAB COMMON STOCK 278865100 271,512 -5,792 -2.09 31,055 2.07 0.4166
2015-10-20 2015-09-30 13F ECOLAB COMMON STOCK 278865100 277,304 9,400 3.51 30,425 0.44 0.4335
2015-07-14 2015-06-30 13F ECOLAB COMMON STOCK 278865100 267,904 4,980 1.89 30,292 0.73 0.4021
2015-04-23 2015-03-31 13F ECOLAB COMMON STOCK 278865100 262,924 6,190 2.41 30,073 12.07 0.3865
2015-01-21 2014-12-31 13F ECOLAB COMMON STOCK 278865100 256,734 15,898 6.60 26,834 -2.97 0.3479
2014-10-27 2014-09-30 13F ECOLAB COMMON STOCK 278865100 240,836 28,436 13.39 27,655 16.94 0.3450
2014-07-23 2014-06-30 13F ECOLAB COMMON STOCK 278865100 212,400 173,415 444.82 23,649 461.73 0.2897
2014-04-17 2014-03-31 13F ECOLAB COMMON STOCK 278865100 38,985 3,654 10.34 4,210 14.28 0.0534
2014-01-27 2013-12-31 13F ECOLAB COMMON STOCK 278865100 35,331 5,965 20.31 3,684 27.03 0.0455
2013-10-18 2013-09-30 13F ECOLAB COMMON STOCK 278865100 29,366 3,354 12.89 2,900 30.87 0.0383
2013-08-02 2013-06-30 13F ECOLAB COM 278865100 26,012 26,012 2,216 0.0302
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.