ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

MASSMUTUAL TRUST CO FSB/ADV's Holding History (CIK: 0001103653)

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

Q4 2025

Shares 95,550 Value ($000) $25,084 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 97,359 Value ($000) $26,663 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 97,403 Value ($000) $26,244 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 96,038 Value ($000) $24,348 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 92,639 Value ($000) $21,707 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 89,559 Value ($000) $22,867 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 86,442 Value ($000) $20,573 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 85,823 Value ($000) $19,817 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 82,051 Value ($000) $16,275 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 80,896 Value ($000) $13,704 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 78,657 Value ($000) $14,684 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 76,531 Value ($000) $12,668 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 66,039 Value ($000) $10 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 68,042 Value ($000) $9,827 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 64,729 Value ($000) $9,953 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 59,134 Value ($000) $10,441 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 54,559 Value ($000) $12,799 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 50,602 Value ($000) $10,557 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 44,834 Value ($000) $9,234 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 40,495 Value ($000) $8,669 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 35,530 Value ($000) $7,687 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 33,509 Value ($000) $6,696 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 22,398 Value ($000) $4,456 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 21,056 Value ($000) $3,281 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 21,650 Value ($000) $4,178 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 22,367 Value ($000) $4,430 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 22,920 Value ($000) $4,525 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 23,625 Value ($000) $4,170,758 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 23,654 Value ($000) $3,485,417 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 23,240 Value ($000) $3,643,567 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 22,864 Value ($000) $3,208,505 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 22,360 Value ($000) $3,064,885 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 21,556 Value ($000) $2,892,384 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 21,403 Value ($000) $2,752,640 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 20,017 Value ($000) $2,657,257 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 19,588 Value ($000) $2,455,160 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 25,374 Value ($000) $2,974,340 Avg Close $105.98 Range $100.13 - $110.74

Q2 2016

Shares 25,177 Value ($000) $2,985,992 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 22,218 Value ($000) $2,477,751 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 28,753 Value ($000) $3,288,768 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 6,657 Value ($000) $764,424 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 6,324 Value ($000) $704,114 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 8,132 Value ($000) $930,138 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 52 Value ($000) $5,435 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 6,657 Value ($000) $764,423 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 52 Value ($000) $5,790 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 52 Value ($000) $5,615 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 29 Value ($000) $3,024 Avg Close $90.95 Range $84.34 - $94.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	95,550	$25,084	$265.71	$251.04 - $281.41
Q3 2025	97,359	$26,663	$270.32	$253.71 - $284.56
Q2 2025	97,403	$26,244	$252.35	$219.93 - $269.19
Q1 2025	96,038	$24,348	$249.61	$225.31 - $270.90
Q4 2024	92,639	$21,707	$245.53	$230.70 - $259.26
Q3 2024	89,559	$22,867	$241.07	$217.65 - $253.31
Q2 2024	86,442	$20,573	$227.14	$213.29 - $242.24
Q1 2024	85,823	$19,817	$207.94	$189.63 - $227.85
Q4 2023	82,051	$16,275	$175.85	$153.18 - $197.06
Q3 2023	80,896	$13,704	$177.30	$163.22 - $186.52
Q2 2023	78,657	$14,684	$167.31	$156.95 - $182.94
Q1 2023	76,531	$12,668	$150.99	$139.35 - $161.29
Q4 2022	66,039	$10	$141.81	$126.42 - $153.48
Q3 2022	68,042	$9,827	$156.07	$138.29 - $171.23
Q2 2022	64,729	$9,953	$158.99	$137.82 - $177.76
Q1 2022	59,134	$10,441	$179.54	$147.91 - $226.74
Q4 2021	54,559	$12,799	$215.53	$199.33 - $227.72
Q3 2021	50,602	$10,557	$208.54	$195.25 - $219.93
Q2 2021	44,834	$9,234	$206.33	$194.28 - $218.25
Q1 2021	40,495	$8,669	$201.55	$190.45 - $215.84
Q4 2020	35,530	$7,687	$197.47	$171.24 - $214.73
Q3 2020	33,509	$6,696	$188.44	$172.53 - $201.15
Q2 2020	22,398	$4,456	$182.16	$136.65 - $217.57
Q1 2020	21,056	$3,281	$176.33	$117.17 - $198.13
Q4 2019	21,650	$4,178	$177.67	$169.74 - $186.58
Q3 2019	22,367	$4,430	$187.16	$179.22 - $195.89
Q2 2019	22,920	$4,525	$173.21	$164.99 - $187.12
Q1 2019	23,625	$4,170,758	$150.92	$131.24 - $169.66
Q4 2018	23,654	$3,485,417	$141.48	$126.10 - $150.86
Q3 2018	23,240	$3,643,567	$137.00	$128.06 - $148.09
Q2 2018	22,864	$3,208,505	$132.91	$122.30 - $138.58
Q1 2018	22,360	$3,064,885	$123.54	$115.47 - $129.02
Q4 2017	21,556	$2,892,384	$121.85	$117.53 - $126.30
Q3 2017	21,403	$2,752,640	$120.10	$116.11 - $122.59
Q2 2017	20,017	$2,657,257	$117.68	$113.27 - $123.01
Q1 2017	19,588	$2,455,160	$111.04	$106.47 - $114.69
Q4 2016	25,374	$2,974,340	$105.98	$100.13 - $110.74
Q2 2016	25,177	$2,985,992	$104.92	$98.81 - $109.58
Q1 2016	22,218	$2,477,751	$95.34	$88.43 - $102.02
Q4 2015	28,753	$3,288,768	$105.21	$98.01 - $109.49
Q3 2015	6,657	$764,424	$99.79	$91.88 - $104.89
Q2 2015	6,324	$704,114	$102.25	$97.79 - $105.41
Q1 2015	8,132	$930,138	$97.19	$86.65 - $103.73
Q4 2014	52	$5,435	$96.70	$89.74 - $101.94
Q3 2014	6,657	$764,423	$99.26	$94.57 - $104.65
Q2 2014	52	$5,790	$94.25	$89.51 - $98.33
Q1 2014	52	$5,615	$91.92	$85.62 - $98.30
Q4 2013	29	$3,024	$90.95	$84.34 - $94.74