ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

DILLON & ASSOCIATES INC's Holding History (CIK: 0001054425)

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

Q4 2025

Shares 51,980 Value ($000) $14 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 52,224 Value ($000) $14 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 52,242 Value ($000) $14 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 52,042 Value ($000) $13 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 48,655 Value ($000) $11 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 45,182 Value ($000) $12 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 43,974 Value ($000) $10 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 43,613 Value ($000) $10 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 43,688 Value ($000) $9 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 45,953 Value ($000) $8 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 46,003 Value ($000) $9 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 48,154 Value ($000) $8 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 48,081 Value ($000) $7 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 47,824 Value ($000) $6,887 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 47,174 Value ($000) $7,265 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 46,127 Value ($000) $8,164 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 43,502 Value ($000) $10,223 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 43,365 Value ($000) $9,063 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 43,453 Value ($000) $8,951 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 43,547 Value ($000) $9,319 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 43,635 Value ($000) $9,425 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 43,918 Value ($000) $8,784 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 44,033 Value ($000) $8,763 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 44,025 Value ($000) $6,868 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 44,198 Value ($000) $8,530 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 44,045 Value ($000) $8,721 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 43,654 Value ($000) $8,600 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 41,907 Value ($000) $7,418 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 41,415 Value ($000) $6,088 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 41,663 Value ($000) $6,541 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 41,660 Value ($000) $5,832 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 41,363 Value ($000) $5,667 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 38,887 Value ($000) $5,211 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 39,835 Value ($000) $5,139 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 39,633 Value ($000) $5,271 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 39,666 Value ($000) $4,958 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 38,764 Value ($000) $4,535 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 38,801 Value ($000) $4,734 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 39,399 Value ($000) $4,688 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 39,447 Value ($000) $4,418 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 39,395 Value ($000) $4,491 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 39,293 Value ($000) $4,322 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 37,717 Value ($000) $4,262 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 34,919 Value ($000) $3,981 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 33,002 Value ($000) $3,465 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 32,850 Value ($000) $3,778 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 32,674 Value ($000) $3,626 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 32,098 Value ($000) $3,466 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 30,736 Value ($000) $3,197 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 29,463 Value ($000) $3,153 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 27,897 Value ($000) $2,371 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	51,980	$14	$265.71	$251.04 - $281.41
Q3 2025	52,224	$14	$270.32	$253.71 - $284.56
Q2 2025	52,242	$14	$252.35	$219.93 - $269.19
Q1 2025	52,042	$13	$249.61	$225.31 - $270.90
Q4 2024	48,655	$11	$245.53	$230.70 - $259.26
Q3 2024	45,182	$12	$241.07	$217.65 - $253.31
Q2 2024	43,974	$10	$227.14	$213.29 - $242.24
Q1 2024	43,613	$10	$207.94	$189.63 - $227.85
Q4 2023	43,688	$9	$175.85	$153.18 - $197.06
Q3 2023	45,953	$8	$177.30	$163.22 - $186.52
Q2 2023	46,003	$9	$167.31	$156.95 - $182.94
Q1 2023	48,154	$8	$150.99	$139.35 - $161.29
Q4 2022	48,081	$7	$141.81	$126.42 - $153.48
Q3 2022	47,824	$6,887	$156.07	$138.29 - $171.23
Q2 2022	47,174	$7,265	$158.99	$137.82 - $177.76
Q1 2022	46,127	$8,164	$179.54	$147.91 - $226.74
Q4 2021	43,502	$10,223	$215.53	$199.33 - $227.72
Q3 2021	43,365	$9,063	$208.54	$195.25 - $219.93
Q2 2021	43,453	$8,951	$206.33	$194.28 - $218.25
Q1 2021	43,547	$9,319	$201.55	$190.45 - $215.84
Q4 2020	43,635	$9,425	$197.47	$171.24 - $214.73
Q3 2020	43,918	$8,784	$188.44	$172.53 - $201.15
Q2 2020	44,033	$8,763	$182.16	$136.65 - $217.57
Q1 2020	44,025	$6,868	$176.33	$117.17 - $198.13
Q4 2019	44,198	$8,530	$177.67	$169.74 - $186.58
Q3 2019	44,045	$8,721	$187.16	$179.22 - $195.89
Q2 2019	43,654	$8,600	$173.21	$164.99 - $187.12
Q1 2019	41,907	$7,418	$150.92	$131.24 - $169.66
Q4 2018	41,415	$6,088	$141.48	$126.10 - $150.86
Q3 2018	41,663	$6,541	$137.00	$128.06 - $148.09
Q2 2018	41,660	$5,832	$132.91	$122.30 - $138.58
Q1 2018	41,363	$5,667	$123.54	$115.47 - $129.02
Q4 2017	38,887	$5,211	$121.85	$117.53 - $126.30
Q3 2017	39,835	$5,139	$120.10	$116.11 - $122.59
Q2 2017	39,633	$5,271	$117.68	$113.27 - $123.01
Q1 2017	39,666	$4,958	$111.04	$106.47 - $114.69
Q4 2016	38,764	$4,535	$105.98	$100.13 - $110.74
Q3 2016	38,801	$4,734	$108.98	$105.46 - $112.42
Q2 2016	39,399	$4,688	$104.92	$98.81 - $109.58
Q1 2016	39,447	$4,418	$95.34	$88.43 - $102.02
Q4 2015	39,395	$4,491	$105.21	$98.01 - $109.49
Q3 2015	39,293	$4,322	$99.79	$91.88 - $104.89
Q2 2015	37,717	$4,262	$102.25	$97.79 - $105.41
Q1 2015	34,919	$3,981	$97.19	$86.65 - $103.73
Q4 2014	33,002	$3,465	$96.70	$89.74 - $101.94
Q3 2014	32,850	$3,778	$99.26	$94.57 - $104.65
Q2 2014	32,674	$3,626	$94.25	$89.51 - $98.33
Q1 2014	32,098	$3,466	$91.92	$85.62 - $98.30
Q4 2013	30,736	$3,197	$90.95	$84.34 - $94.74
Q3 2013	29,463	$3,153	$81.20	$74.57 - $86.97
Q2 2013	27,897	$2,371	$73.48	$68.51 - $77.84