ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

M. Kraus & Co's Holding History (CIK: 0001593688)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 36,931 Value ($000) $9,695 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 36,911 Value ($000) $10,109 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 37,666 Value ($000) $10,149 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 37,946 Value ($000) $9,620 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 38,958 Value ($000) $9,129 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 39,267 Value ($000) $10,026 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 40,570 Value ($000) $9,656 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 41,063 Value ($000) $9,482 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 41,212 Value ($000) $8,174 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 41,574 Value ($000) $7,043 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 41,770 Value ($000) $7,798 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 40,890 Value ($000) $6,769 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 40,960 Value ($000) $5,962 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 39,893 Value ($000) $5,761 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 39,968 Value ($000) $6,146 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 40,093 Value ($000) $7,079 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 39,317 Value ($000) $9,223 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 39,230 Value ($000) $8,184 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 39,233 Value ($000) $8,081 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 39,005 Value ($000) $8,350 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 38,481 Value ($000) $8,326 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 37,875 Value ($000) $7,569 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 37,153 Value ($000) $7,392 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 37,419 Value ($000) $5,831 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 37,429 Value ($000) $7,223 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 36,357 Value ($000) $7,200 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 36,458 Value ($000) $7,198 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 36,504 Value ($000) $6,444 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 36,609 Value ($000) $5,394 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 36,694 Value ($000) $5,753 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 36,764 Value ($000) $5,159 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 36,872 Value ($000) $5,054 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 36,622 Value ($000) $4,914 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 36,922 Value ($000) $4,749 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 36,132 Value ($000) $4,797 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 36,157 Value ($000) $4,532 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 36,557 Value ($000) $4,285 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 35,614 Value ($000) $4,335 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 35,661 Value ($000) $4,229 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 36,011 Value ($000) $4,016 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 35,045 Value ($000) $4,008 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 35,135 Value ($000) $3,855 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 35,490 Value ($000) $4,013 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 35,640 Value ($000) $4,077 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 34,510 Value ($000) $3,607 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 34,610 Value ($000) $3,974 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 33,700 Value ($000) $3,752 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 33,700 Value ($000) $3,639 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 33,865 Value ($000) $3,531 Avg Close $90.95 Range $84.34 - $94.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	36,931	$9,695	$265.71	$251.04 - $281.41
Q3 2025	36,911	$10,109	$270.32	$253.71 - $284.56
Q2 2025	37,666	$10,149	$252.35	$219.93 - $269.19
Q1 2025	37,946	$9,620	$249.61	$225.31 - $270.90
Q4 2024	38,958	$9,129	$245.53	$230.70 - $259.26
Q3 2024	39,267	$10,026	$241.07	$217.65 - $253.31
Q2 2024	40,570	$9,656	$227.14	$213.29 - $242.24
Q1 2024	41,063	$9,482	$207.94	$189.63 - $227.85
Q4 2023	41,212	$8,174	$175.85	$153.18 - $197.06
Q3 2023	41,574	$7,043	$177.30	$163.22 - $186.52
Q2 2023	41,770	$7,798	$167.31	$156.95 - $182.94
Q1 2023	40,890	$6,769	$150.99	$139.35 - $161.29
Q4 2022	40,960	$5,962	$141.81	$126.42 - $153.48
Q3 2022	39,893	$5,761	$156.07	$138.29 - $171.23
Q2 2022	39,968	$6,146	$158.99	$137.82 - $177.76
Q1 2022	40,093	$7,079	$179.54	$147.91 - $226.74
Q4 2021	39,317	$9,223	$215.53	$199.33 - $227.72
Q3 2021	39,230	$8,184	$208.54	$195.25 - $219.93
Q2 2021	39,233	$8,081	$206.33	$194.28 - $218.25
Q1 2021	39,005	$8,350	$201.55	$190.45 - $215.84
Q4 2020	38,481	$8,326	$197.47	$171.24 - $214.73
Q3 2020	37,875	$7,569	$188.44	$172.53 - $201.15
Q2 2020	37,153	$7,392	$182.16	$136.65 - $217.57
Q1 2020	37,419	$5,831	$176.33	$117.17 - $198.13
Q4 2019	37,429	$7,223	$177.67	$169.74 - $186.58
Q3 2019	36,357	$7,200	$187.16	$179.22 - $195.89
Q2 2019	36,458	$7,198	$173.21	$164.99 - $187.12
Q1 2019	36,504	$6,444	$150.92	$131.24 - $169.66
Q4 2018	36,609	$5,394	$141.48	$126.10 - $150.86
Q3 2018	36,694	$5,753	$137.00	$128.06 - $148.09
Q2 2018	36,764	$5,159	$132.91	$122.30 - $138.58
Q1 2018	36,872	$5,054	$123.54	$115.47 - $129.02
Q4 2017	36,622	$4,914	$121.85	$117.53 - $126.30
Q3 2017	36,922	$4,749	$120.10	$116.11 - $122.59
Q2 2017	36,132	$4,797	$117.68	$113.27 - $123.01
Q1 2017	36,157	$4,532	$111.04	$106.47 - $114.69
Q4 2016	36,557	$4,285	$105.98	$100.13 - $110.74
Q3 2016	35,614	$4,335	$108.98	$105.46 - $112.42
Q2 2016	35,661	$4,229	$104.92	$98.81 - $109.58
Q1 2016	36,011	$4,016	$95.34	$88.43 - $102.02
Q4 2015	35,045	$4,008	$105.21	$98.01 - $109.49
Q3 2015	35,135	$3,855	$99.79	$91.88 - $104.89
Q2 2015	35,490	$4,013	$102.25	$97.79 - $105.41
Q1 2015	35,640	$4,077	$97.19	$86.65 - $103.73
Q4 2014	34,510	$3,607	$96.70	$89.74 - $101.94
Q3 2014	34,610	$3,974	$99.26	$94.57 - $104.65
Q2 2014	33,700	$3,752	$94.25	$89.51 - $98.33
Q1 2014	33,700	$3,639	$91.92	$85.62 - $98.30
Q4 2013	33,865	$3,531	$90.95	$84.34 - $94.74