ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

MASSACHUSETTS FINANCIAL SERVICES CO /MA/'s Holding History (CIK: 0000912938)

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

Q4 2025

Shares 6,127 Value ($000) $1,608 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 10,650 Value ($000) $2,917 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 11,067 Value ($000) $2,982 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 11,160 Value ($000) $2,829 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 12,478 Value ($000) $2,924 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 12,986 Value ($000) $3,316 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 13,175 Value ($000) $3,136 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 14,901 Value ($000) $3,441 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 15,052 Value ($000) $2,986 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 15,470 Value ($000) $2,621 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 15,628 Value ($000) $2,918 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 15,820 Value ($000) $2,619 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 16,008 Value ($000) $2,330 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 16,321 Value ($000) $2,357 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 15,221 Value ($000) $2,340 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 25,155 Value ($000) $4,441 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 28,977 Value ($000) $6,798 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 24,194 Value ($000) $5,048 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 28,381 Value ($000) $5,845 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 29,399 Value ($000) $6,293 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 30,924 Value ($000) $6,690 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 35,637 Value ($000) $7,121 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 475,138 Value ($000) $94,529 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 982,757 Value ($000) $153,142 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 1,002,768 Value ($000) $193,524 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 963,776 Value ($000) $190,866 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 959,637 Value ($000) $189,470 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 1,144,018 Value ($000) $201,964 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 1,148,760 Value ($000) $169,272 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 1,520,532 Value ($000) $238,389 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 1,589,624 Value ($000) $223,072 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 2,016,203 Value ($000) $276,362 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 2,053,108 Value ($000) $275,485 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 2,146,201 Value ($000) $276,023 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 2,784,058 Value ($000) $369,584 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 2,784,956 Value ($000) $349,066 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 2,825,178 Value ($000) $331,168 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 2,627,563 Value ($000) $319,826 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 2,703,773 Value ($000) $320,667 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 2,778,525 Value ($000) $309,861 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 3,097,081 Value ($000) $354,245 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 3,297,973 Value ($000) $361,854 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 2,781,380 Value ($000) $314,490,637 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 2,566,037 Value ($000) $293,503,312 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 491,531 Value ($000) $51,374,820 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 635,757 Value ($000) $73,004 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 3,490 Value ($000) $389 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 3,490 Value ($000) $376,885 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 3,530 Value ($000) $368,073 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 51,710 Value ($000) $5,106,879 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 140,900 Value ($000) $12,003,271 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,127	$1,608	$265.71	$251.04 - $281.41
Q3 2025	10,650	$2,917	$270.32	$253.71 - $284.56
Q2 2025	11,067	$2,982	$252.35	$219.93 - $269.19
Q1 2025	11,160	$2,829	$249.61	$225.31 - $270.90
Q4 2024	12,478	$2,924	$245.53	$230.70 - $259.26
Q3 2024	12,986	$3,316	$241.07	$217.65 - $253.31
Q2 2024	13,175	$3,136	$227.14	$213.29 - $242.24
Q1 2024	14,901	$3,441	$207.94	$189.63 - $227.85
Q4 2023	15,052	$2,986	$175.85	$153.18 - $197.06
Q3 2023	15,470	$2,621	$177.30	$163.22 - $186.52
Q2 2023	15,628	$2,918	$167.31	$156.95 - $182.94
Q1 2023	15,820	$2,619	$150.99	$139.35 - $161.29
Q4 2022	16,008	$2,330	$141.81	$126.42 - $153.48
Q3 2022	16,321	$2,357	$156.07	$138.29 - $171.23
Q2 2022	15,221	$2,340	$158.99	$137.82 - $177.76
Q1 2022	25,155	$4,441	$179.54	$147.91 - $226.74
Q4 2021	28,977	$6,798	$215.53	$199.33 - $227.72
Q3 2021	24,194	$5,048	$208.54	$195.25 - $219.93
Q2 2021	28,381	$5,845	$206.33	$194.28 - $218.25
Q1 2021	29,399	$6,293	$201.55	$190.45 - $215.84
Q4 2020	30,924	$6,690	$197.47	$171.24 - $214.73
Q3 2020	35,637	$7,121	$188.44	$172.53 - $201.15
Q2 2020	475,138	$94,529	$182.16	$136.65 - $217.57
Q1 2020	982,757	$153,142	$176.33	$117.17 - $198.13
Q4 2019	1,002,768	$193,524	$177.67	$169.74 - $186.58
Q3 2019	963,776	$190,866	$187.16	$179.22 - $195.89
Q2 2019	959,637	$189,470	$173.21	$164.99 - $187.12
Q1 2019	1,144,018	$201,964	$150.92	$131.24 - $169.66
Q4 2018	1,148,760	$169,272	$141.48	$126.10 - $150.86
Q3 2018	1,520,532	$238,389	$137.00	$128.06 - $148.09
Q2 2018	1,589,624	$223,072	$132.91	$122.30 - $138.58
Q1 2018	2,016,203	$276,362	$123.54	$115.47 - $129.02
Q4 2017	2,053,108	$275,485	$121.85	$117.53 - $126.30
Q3 2017	2,146,201	$276,023	$120.10	$116.11 - $122.59
Q2 2017	2,784,058	$369,584	$117.68	$113.27 - $123.01
Q1 2017	2,784,956	$349,066	$111.04	$106.47 - $114.69
Q4 2016	2,825,178	$331,168	$105.98	$100.13 - $110.74
Q3 2016	2,627,563	$319,826	$108.98	$105.46 - $112.42
Q2 2016	2,703,773	$320,667	$104.92	$98.81 - $109.58
Q1 2016	2,778,525	$309,861	$95.34	$88.43 - $102.02
Q4 2015	3,097,081	$354,245	$105.21	$98.01 - $109.49
Q3 2015	3,297,973	$361,854	$99.79	$91.88 - $104.89
Q2 2015	2,781,380	$314,490,637	$102.25	$97.79 - $105.41
Q1 2015	2,566,037	$293,503,312	$97.19	$86.65 - $103.73
Q4 2014	491,531	$51,374,820	$96.70	$89.74 - $101.94
Q3 2014	635,757	$73,004	$99.26	$94.57 - $104.65
Q2 2014	3,490	$389	$94.25	$89.51 - $98.33
Q1 2014	3,490	$376,885	$91.92	$85.62 - $98.30
Q4 2013	3,530	$368,073	$90.95	$84.34 - $94.74
Q3 2013	51,710	$5,106,879	$81.20	$74.57 - $86.97
Q2 2013	140,900	$12,003,271	$73.48	$68.51 - $77.84