ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

BRADLEY FOSTER & SARGENT INC/CT's Holding History (CIK: 0001015086)

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

Q4 2025

Shares 60,611 Value ($000) $15,911 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 60,729 Value ($000) $16,631 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 61,246 Value ($000) $16,502 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 61,317 Value ($000) $15,545 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 62,362 Value ($000) $14,613 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 61,075 Value ($000) $15,594 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 58,193 Value ($000) $13,850 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 57,596 Value ($000) $13,299 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 59,383 Value ($000) $11,779 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 51,521 Value ($000) $9,618 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 51,521 Value ($000) $9,618 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 50,734 Value ($000) $8,398 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 49,807 Value ($000) $7,250 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 49,855 Value ($000) $7,200 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 47,812 Value ($000) $7,352 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 49,907 Value ($000) $8,811 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 49,707 Value ($000) $11,661 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 48,742 Value ($000) $10,169 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 50,290 Value ($000) $10,358 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 47,834 Value ($000) $10,240 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 47,459 Value ($000) $10,268 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 45,910 Value ($000) $9,175 Avg Close $188.44 Range $172.53 - $201.15

Q1 2020

Shares 43,264 Value ($000) $6,742 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 41,372 Value ($000) $7,984 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 40,415 Value ($000) $8,004 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 40,739 Value ($000) $8,043 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 40,327 Value ($000) $7,119 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 38,914 Value ($000) $5,734 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 43,922 Value ($000) $6,886 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 50,283 Value ($000) $7,056 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 44,681 Value ($000) $6,124 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 48,942 Value ($000) $6,567 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 47,504 Value ($000) $6,110 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 46,043 Value ($000) $6,112 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 46,316 Value ($000) $5,805 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 40,088 Value ($000) $4,699 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 40,721 Value ($000) $4,957 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 40,826 Value ($000) $4,842 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 81,671 Value ($000) $9,108 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 120,222 Value ($000) $13,751 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 118,795 Value ($000) $13,034 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 58,054 Value ($000) $6,564 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 55,024 Value ($000) $6,294 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 51,018 Value ($000) $5,332 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 29,689 Value ($000) $3,409 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 30,939 Value ($000) $3,445 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 31,014 Value ($000) $3,349 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 30,976 Value ($000) $3,230 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 31,714 Value ($000) $3,132 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 31,769 Value ($000) $2,706 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	60,611	$15,911	$265.71	$251.04 - $281.41
Q3 2025	60,729	$16,631	$270.32	$253.71 - $284.56
Q2 2025	61,246	$16,502	$252.35	$219.93 - $269.19
Q1 2025	61,317	$15,545	$249.61	$225.31 - $270.90
Q4 2024	62,362	$14,613	$245.53	$230.70 - $259.26
Q3 2024	61,075	$15,594	$241.07	$217.65 - $253.31
Q2 2024	58,193	$13,850	$227.14	$213.29 - $242.24
Q1 2024	57,596	$13,299	$207.94	$189.63 - $227.85
Q4 2023	59,383	$11,779	$175.85	$153.18 - $197.06
Q3 2023	51,521	$9,618	$177.30	$163.22 - $186.52
Q2 2023	51,521	$9,618	$167.31	$156.95 - $182.94
Q1 2023	50,734	$8,398	$150.99	$139.35 - $161.29
Q4 2022	49,807	$7,250	$141.81	$126.42 - $153.48
Q3 2022	49,855	$7,200	$156.07	$138.29 - $171.23
Q2 2022	47,812	$7,352	$158.99	$137.82 - $177.76
Q1 2022	49,907	$8,811	$179.54	$147.91 - $226.74
Q4 2021	49,707	$11,661	$215.53	$199.33 - $227.72
Q3 2021	48,742	$10,169	$208.54	$195.25 - $219.93
Q2 2021	50,290	$10,358	$206.33	$194.28 - $218.25
Q1 2021	47,834	$10,240	$201.55	$190.45 - $215.84
Q4 2020	47,459	$10,268	$197.47	$171.24 - $214.73
Q3 2020	45,910	$9,175	$188.44	$172.53 - $201.15
Q1 2020	43,264	$6,742	$176.33	$117.17 - $198.13
Q4 2019	41,372	$7,984	$177.67	$169.74 - $186.58
Q3 2019	40,415	$8,004	$187.16	$179.22 - $195.89
Q2 2019	40,739	$8,043	$173.21	$164.99 - $187.12
Q1 2019	40,327	$7,119	$150.92	$131.24 - $169.66
Q4 2018	38,914	$5,734	$141.48	$126.10 - $150.86
Q3 2018	43,922	$6,886	$137.00	$128.06 - $148.09
Q2 2018	50,283	$7,056	$132.91	$122.30 - $138.58
Q1 2018	44,681	$6,124	$123.54	$115.47 - $129.02
Q4 2017	48,942	$6,567	$121.85	$117.53 - $126.30
Q3 2017	47,504	$6,110	$120.10	$116.11 - $122.59
Q2 2017	46,043	$6,112	$117.68	$113.27 - $123.01
Q1 2017	46,316	$5,805	$111.04	$106.47 - $114.69
Q4 2016	40,088	$4,699	$105.98	$100.13 - $110.74
Q3 2016	40,721	$4,957	$108.98	$105.46 - $112.42
Q2 2016	40,826	$4,842	$104.92	$98.81 - $109.58
Q1 2016	81,671	$9,108	$95.34	$88.43 - $102.02
Q4 2015	120,222	$13,751	$105.21	$98.01 - $109.49
Q3 2015	118,795	$13,034	$99.79	$91.88 - $104.89
Q2 2015	58,054	$6,564	$102.25	$97.79 - $105.41
Q1 2015	55,024	$6,294	$97.19	$86.65 - $103.73
Q4 2014	51,018	$5,332	$96.70	$89.74 - $101.94
Q3 2014	29,689	$3,409	$99.26	$94.57 - $104.65
Q2 2014	30,939	$3,445	$94.25	$89.51 - $98.33
Q1 2014	31,014	$3,349	$91.92	$85.62 - $98.30
Q4 2013	30,976	$3,230	$90.95	$84.34 - $94.74
Q3 2013	31,714	$3,132	$81.20	$74.57 - $86.97
Q2 2013	31,769	$2,706	$73.48	$68.51 - $77.84