ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

HOWLAND CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001079112)

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

Q4 2025

Shares 180,222 Value ($000) $47,441 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 168,096 Value ($000) $46,142 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 168,589 Value ($000) $45,532 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 169,534 Value ($000) $43,088 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 167,619 Value ($000) $39,383 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 170,082 Value ($000) $43,531 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 185,783 Value ($000) $44,320 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 186,893 Value ($000) $43,255 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 183,159 Value ($000) $36,428 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 173,794 Value ($000) $29,529 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 171,717 Value ($000) $32,140 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 152,788 Value ($000) $25,368 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 141,221 Value ($000) $20,632 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 144,459 Value ($000) $20,936 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 144,062 Value ($000) $22,223 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 142,938 Value ($000) $25,237 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 136,743 Value ($000) $32,079 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 137,436 Value ($000) $28,672 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 133,317 Value ($000) $27,459 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 131,538 Value ($000) $28,158 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 131,443 Value ($000) $28,439 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 132,394 Value ($000) $26,458 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 132,409 Value ($000) $26,343 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 133,561 Value ($000) $20,813 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 146,254 Value ($000) $28,226 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 155,050 Value ($000) $30,706 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 163,647 Value ($000) $32,310 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 165,646 Value ($000) $29,243 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 166,211 Value ($000) $24,491 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 173,309 Value ($000) $27,171 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 167,285 Value ($000) $23,475 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 165,412 Value ($000) $22,673 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 165,233 Value ($000) $22,171 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 166,222 Value ($000) $21,378 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 167,007 Value ($000) $22,170 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 166,844 Value ($000) $20,912 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 164,317 Value ($000) $19,261 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 152,731 Value ($000) $18,590 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 152,579 Value ($000) $18,096 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 149,373 Value ($000) $16,658 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 137,931 Value ($000) $15,777 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 129,935 Value ($000) $14,256 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 125,214 Value ($000) $14,158 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 123,295 Value ($000) $14,102 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 122,583 Value ($000) $12,812 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 122,938 Value ($000) $14,117 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 123,958 Value ($000) $13,801 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 120,312 Value ($000) $12,992 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 116,972 Value ($000) $12,197 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 120,488 Value ($000) $11,899 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 118,156 Value ($000) $10,066 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	180,222	$47,441	$265.71	$251.04 - $281.41
Q3 2025	168,096	$46,142	$270.32	$253.71 - $284.56
Q2 2025	168,589	$45,532	$252.35	$219.93 - $269.19
Q1 2025	169,534	$43,088	$249.61	$225.31 - $270.90
Q4 2024	167,619	$39,383	$245.53	$230.70 - $259.26
Q3 2024	170,082	$43,531	$241.07	$217.65 - $253.31
Q2 2024	185,783	$44,320	$227.14	$213.29 - $242.24
Q1 2024	186,893	$43,255	$207.94	$189.63 - $227.85
Q4 2023	183,159	$36,428	$175.85	$153.18 - $197.06
Q3 2023	173,794	$29,529	$177.30	$163.22 - $186.52
Q2 2023	171,717	$32,140	$167.31	$156.95 - $182.94
Q1 2023	152,788	$25,368	$150.99	$139.35 - $161.29
Q4 2022	141,221	$20,632	$141.81	$126.42 - $153.48
Q3 2022	144,459	$20,936	$156.07	$138.29 - $171.23
Q2 2022	144,062	$22,223	$158.99	$137.82 - $177.76
Q1 2022	142,938	$25,237	$179.54	$147.91 - $226.74
Q4 2021	136,743	$32,079	$215.53	$199.33 - $227.72
Q3 2021	137,436	$28,672	$208.54	$195.25 - $219.93
Q2 2021	133,317	$27,459	$206.33	$194.28 - $218.25
Q1 2021	131,538	$28,158	$201.55	$190.45 - $215.84
Q4 2020	131,443	$28,439	$197.47	$171.24 - $214.73
Q3 2020	132,394	$26,458	$188.44	$172.53 - $201.15
Q2 2020	132,409	$26,343	$182.16	$136.65 - $217.57
Q1 2020	133,561	$20,813	$176.33	$117.17 - $198.13
Q4 2019	146,254	$28,226	$177.67	$169.74 - $186.58
Q3 2019	155,050	$30,706	$187.16	$179.22 - $195.89
Q2 2019	163,647	$32,310	$173.21	$164.99 - $187.12
Q1 2019	165,646	$29,243	$150.92	$131.24 - $169.66
Q4 2018	166,211	$24,491	$141.48	$126.10 - $150.86
Q3 2018	173,309	$27,171	$137.00	$128.06 - $148.09
Q2 2018	167,285	$23,475	$132.91	$122.30 - $138.58
Q1 2018	165,412	$22,673	$123.54	$115.47 - $129.02
Q4 2017	165,233	$22,171	$121.85	$117.53 - $126.30
Q3 2017	166,222	$21,378	$120.10	$116.11 - $122.59
Q2 2017	167,007	$22,170	$117.68	$113.27 - $123.01
Q1 2017	166,844	$20,912	$111.04	$106.47 - $114.69
Q4 2016	164,317	$19,261	$105.98	$100.13 - $110.74
Q3 2016	152,731	$18,590	$108.98	$105.46 - $112.42
Q2 2016	152,579	$18,096	$104.92	$98.81 - $109.58
Q1 2016	149,373	$16,658	$95.34	$88.43 - $102.02
Q4 2015	137,931	$15,777	$105.21	$98.01 - $109.49
Q3 2015	129,935	$14,256	$99.79	$91.88 - $104.89
Q2 2015	125,214	$14,158	$102.25	$97.79 - $105.41
Q1 2015	123,295	$14,102	$97.19	$86.65 - $103.73
Q4 2014	122,583	$12,812	$96.70	$89.74 - $101.94
Q3 2014	122,938	$14,117	$99.26	$94.57 - $104.65
Q2 2014	123,958	$13,801	$94.25	$89.51 - $98.33
Q1 2014	120,312	$12,992	$91.92	$85.62 - $98.30
Q4 2013	116,972	$12,197	$90.95	$84.34 - $94.74
Q3 2013	120,488	$11,899	$81.20	$74.57 - $86.97
Q2 2013	118,156	$10,066	$73.48	$68.51 - $77.84