ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q4 2025

Shares 63,721 Value ($000) $16,728 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 68,161 Value ($000) $18,667 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 69,377 Value ($000) $18,693 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 70,415 Value ($000) $17,852 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 71,626 Value ($000) $16,783 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 73,498 Value ($000) $18,766 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 75,026 Value ($000) $17,856 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 76,279 Value ($000) $17,613 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 76,041 Value ($000) $15,083 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 78,509 Value ($000) $13,299 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 52,373 Value ($000) $0 Avg Close $167.31 Range $156.95 - $182.94

Q4 2022

Shares 47,986 Value ($000) $7 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 48,702 Value ($000) $7,229 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 47,616 Value ($000) $7,514 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 47,903 Value ($000) $8,731 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 48,685 Value ($000) $9,196 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 55,465 Value ($000) $12,283 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 69,127 Value ($000) $15,242 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 72,162 Value ($000) $16,365 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 73,231 Value ($000) $15,553 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 76,343 Value ($000) $15,641 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 83,007 Value ($000) $17,458 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 92,438 Value ($000) $16,646 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 92,419 Value ($000) $18,436 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 96,526 Value ($000) $18,420 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 102,097 Value ($000) $20,005 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 102,134 Value ($000) $18,648 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 104,126 Value ($000) $16,140 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 104,995 Value ($000) $15,538 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 118,363 Value ($000) $17,010 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 131,966 Value ($000) $19,660 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 151,262 Value ($000) $20,770 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 159,884 Value ($000) $20,932 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 162,161 Value ($000) $21,411 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 146,662 Value ($000) $18,974 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 151,440 Value ($000) $17,957 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 155,907 Value ($000) $18,793 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 156,742 Value ($000) $19,248 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 179,144 Value ($000) $20,604 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 171,648 Value ($000) $17,912 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 173,352 Value ($000) $19,021 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 385,902 Value ($000) $43,636 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 196,285 Value ($000) $22,451 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 430,622 Value ($000) $45,008 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 213,377 Value ($000) $24,502 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 215,181 Value ($000) $23,958 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 242,702 Value ($000) $26,209 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 245,613 Value ($000) $25,610 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 307,852 Value ($000) $30,403 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 311,900 Value ($000) $26,570 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	63,721	$16,728	$265.71	$251.04 - $281.41
Q3 2025	68,161	$18,667	$270.32	$253.71 - $284.56
Q2 2025	69,377	$18,693	$252.35	$219.93 - $269.19
Q1 2025	70,415	$17,852	$249.61	$225.31 - $270.90
Q4 2024	71,626	$16,783	$245.53	$230.70 - $259.26
Q3 2024	73,498	$18,766	$241.07	$217.65 - $253.31
Q2 2024	75,026	$17,856	$227.14	$213.29 - $242.24
Q1 2024	76,279	$17,613	$207.94	$189.63 - $227.85
Q4 2023	76,041	$15,083	$175.85	$153.18 - $197.06
Q3 2023	78,509	$13,299	$177.30	$163.22 - $186.52
Q2 2023	52,373	$0	$167.31	$156.95 - $182.94
Q4 2022	47,986	$7	$141.81	$126.42 - $153.48
Q3 2022	48,702	$7,229	$156.07	$138.29 - $171.23
Q2 2022	47,616	$7,514	$158.99	$137.82 - $177.76
Q1 2022	47,903	$8,731	$179.54	$147.91 - $226.74
Q4 2021	48,685	$9,196	$215.53	$199.33 - $227.72
Q3 2021	55,465	$12,283	$208.54	$195.25 - $219.93
Q2 2021	69,127	$15,242	$206.33	$194.28 - $218.25
Q1 2021	72,162	$16,365	$201.55	$190.45 - $215.84
Q4 2020	73,231	$15,553	$197.47	$171.24 - $214.73
Q3 2020	76,343	$15,641	$188.44	$172.53 - $201.15
Q2 2020	83,007	$17,458	$182.16	$136.65 - $217.57
Q1 2020	92,438	$16,646	$176.33	$117.17 - $198.13
Q4 2019	92,419	$18,436	$177.67	$169.74 - $186.58
Q3 2019	96,526	$18,420	$187.16	$179.22 - $195.89
Q2 2019	102,097	$20,005	$173.21	$164.99 - $187.12
Q1 2019	102,134	$18,648	$150.92	$131.24 - $169.66
Q4 2018	104,126	$16,140	$141.48	$126.10 - $150.86
Q3 2018	104,995	$15,538	$137.00	$128.06 - $148.09
Q2 2018	118,363	$17,010	$132.91	$122.30 - $138.58
Q1 2018	131,966	$19,660	$123.54	$115.47 - $129.02
Q4 2017	151,262	$20,770	$121.85	$117.53 - $126.30
Q3 2017	159,884	$20,932	$120.10	$116.11 - $122.59
Q2 2017	162,161	$21,411	$117.68	$113.27 - $123.01
Q1 2017	146,662	$18,974	$111.04	$106.47 - $114.69
Q4 2016	151,440	$17,957	$105.98	$100.13 - $110.74
Q3 2016	155,907	$18,793	$108.98	$105.46 - $112.42
Q2 2016	156,742	$19,248	$104.92	$98.81 - $109.58
Q1 2016	179,144	$20,604	$95.34	$88.43 - $102.02
Q4 2015	171,648	$17,912	$105.21	$98.01 - $109.49
Q3 2015	173,352	$19,021	$99.79	$91.88 - $104.89
Q2 2015	385,902	$43,636	$102.25	$97.79 - $105.41
Q1 2015	196,285	$22,451	$97.19	$86.65 - $103.73
Q4 2014	430,622	$45,008	$96.70	$89.74 - $101.94
Q3 2014	213,377	$24,502	$99.26	$94.57 - $104.65
Q2 2014	215,181	$23,958	$94.25	$89.51 - $98.33
Q1 2014	242,702	$26,209	$91.92	$85.62 - $98.30
Q4 2013	245,613	$25,610	$90.95	$84.34 - $94.74
Q3 2013	307,852	$30,403	$81.20	$74.57 - $86.97
Q2 2013	311,900	$26,570	$73.48	$68.51 - $77.84