ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

CAISSE DE DEPOT ET PLACEMENT DU QUEBEC's Holding History (CIK: 0000898286)

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

Q4 2025

Shares 99,799 Value ($000) $26,199 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 16,981 Value ($000) $4,650 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 205,604 Value ($000) $55,398 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 281,374 Value ($000) $71,334 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 279,505 Value ($000) $65,494 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 477,303 Value ($000) $121,870 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 397,434 Value ($000) $94,589 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 301,352 Value ($000) $69,582 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 155,466 Value ($000) $30,837 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 7,157 Value ($000) $1,212 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 225,849 Value ($000) $42,164 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 9,196 Value ($000) $1,522 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 12,652 Value ($000) $1,842 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 11,252 Value ($000) $1,625 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 3,187 Value ($000) $490 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 11,387 Value ($000) $2,010 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 2,987 Value ($000) $701 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 80,533 Value ($000) $16,801 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 63,414 Value ($000) $13,061 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 22,680 Value ($000) $4,855 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 41,560 Value ($000) $8,992 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 583,482 Value ($000) $116,603 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 869,482 Value ($000) $172,983 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 1,151,782 Value ($000) $179,482 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 935,982 Value ($000) $180,635 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 819,782 Value ($000) $162,350 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 1,696,195 Value ($000) $334,897 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 2,087,882 Value ($000) $368,595 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 2,671,782 Value ($000) $393,687 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 3,114,482 Value ($000) $488,288 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 3,074,082 Value ($000) $431,386 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 2,620,682 Value ($000) $359,217 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 1,787,667 Value ($000) $239,869 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 13,082 Value ($000) $1,690 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 12,182 Value ($000) $1,613 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 7,482 Value ($000) $939 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 36,082 Value ($000) $4,224 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 43,782 Value ($000) $5,329 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 46,882 Value ($000) $5,560 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 39,982 Value ($000) $4,459 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 113,000 Value ($000) $12,925 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 117,300 Value ($000) $12,870 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 117,700 Value ($000) $13,308 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 118,900 Value ($000) $13,600 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 131,100 Value ($000) $13,703 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 142,600 Value ($000) $16,375 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 147,700 Value ($000) $16,445 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 155,300 Value ($000) $16,771 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 173,400 Value ($000) $18,080 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 216,300 Value ($000) $21,362 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 244,100 Value ($000) $20,795 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	99,799	$26,199	$265.71	$251.04 - $281.41
Q3 2025	16,981	$4,650	$270.32	$253.71 - $284.56
Q2 2025	205,604	$55,398	$252.35	$219.93 - $269.19
Q1 2025	281,374	$71,334	$249.61	$225.31 - $270.90
Q4 2024	279,505	$65,494	$245.53	$230.70 - $259.26
Q3 2024	477,303	$121,870	$241.07	$217.65 - $253.31
Q2 2024	397,434	$94,589	$227.14	$213.29 - $242.24
Q1 2024	301,352	$69,582	$207.94	$189.63 - $227.85
Q4 2023	155,466	$30,837	$175.85	$153.18 - $197.06
Q3 2023	7,157	$1,212	$177.30	$163.22 - $186.52
Q2 2023	225,849	$42,164	$167.31	$156.95 - $182.94
Q1 2023	9,196	$1,522	$150.99	$139.35 - $161.29
Q4 2022	12,652	$1,842	$141.81	$126.42 - $153.48
Q3 2022	11,252	$1,625	$156.07	$138.29 - $171.23
Q2 2022	3,187	$490	$158.99	$137.82 - $177.76
Q1 2022	11,387	$2,010	$179.54	$147.91 - $226.74
Q4 2021	2,987	$701	$215.53	$199.33 - $227.72
Q3 2021	80,533	$16,801	$208.54	$195.25 - $219.93
Q2 2021	63,414	$13,061	$206.33	$194.28 - $218.25
Q1 2021	22,680	$4,855	$201.55	$190.45 - $215.84
Q4 2020	41,560	$8,992	$197.47	$171.24 - $214.73
Q3 2020	583,482	$116,603	$188.44	$172.53 - $201.15
Q2 2020	869,482	$172,983	$182.16	$136.65 - $217.57
Q1 2020	1,151,782	$179,482	$176.33	$117.17 - $198.13
Q4 2019	935,982	$180,635	$177.67	$169.74 - $186.58
Q3 2019	819,782	$162,350	$187.16	$179.22 - $195.89
Q2 2019	1,696,195	$334,897	$173.21	$164.99 - $187.12
Q1 2019	2,087,882	$368,595	$150.92	$131.24 - $169.66
Q4 2018	2,671,782	$393,687	$141.48	$126.10 - $150.86
Q3 2018	3,114,482	$488,288	$137.00	$128.06 - $148.09
Q2 2018	3,074,082	$431,386	$132.91	$122.30 - $138.58
Q1 2018	2,620,682	$359,217	$123.54	$115.47 - $129.02
Q4 2017	1,787,667	$239,869	$121.85	$117.53 - $126.30
Q3 2017	13,082	$1,690	$120.10	$116.11 - $122.59
Q2 2017	12,182	$1,613	$117.68	$113.27 - $123.01
Q1 2017	7,482	$939	$111.04	$106.47 - $114.69
Q4 2016	36,082	$4,224	$105.98	$100.13 - $110.74
Q3 2016	43,782	$5,329	$108.98	$105.46 - $112.42
Q2 2016	46,882	$5,560	$104.92	$98.81 - $109.58
Q1 2016	39,982	$4,459	$95.34	$88.43 - $102.02
Q4 2015	113,000	$12,925	$105.21	$98.01 - $109.49
Q3 2015	117,300	$12,870	$99.79	$91.88 - $104.89
Q2 2015	117,700	$13,308	$102.25	$97.79 - $105.41
Q1 2015	118,900	$13,600	$97.19	$86.65 - $103.73
Q4 2014	131,100	$13,703	$96.70	$89.74 - $101.94
Q3 2014	142,600	$16,375	$99.26	$94.57 - $104.65
Q2 2014	147,700	$16,445	$94.25	$89.51 - $98.33
Q1 2014	155,300	$16,771	$91.92	$85.62 - $98.30
Q4 2013	173,400	$18,080	$90.95	$84.34 - $94.74
Q3 2013	216,300	$21,362	$81.20	$74.57 - $86.97
Q2 2013	244,100	$20,795	$73.48	$68.51 - $77.84