ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

BANK OF NOVA SCOTIA's Holding History (CIK: 0000009631)

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

Q4 2025

Shares 45,818 Value ($000) $12,028 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 60,949 Value ($000) $16,691 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 95,795 Value ($000) $25,811 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 51,209 Value ($000) $12,983 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 127,076 Value ($000) $29,776 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 75,588 Value ($000) $19,300 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 84,622 Value ($000) $20,140 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 216,257 Value ($000) $49,934 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 191,461 Value ($000) $37,975 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 29,529 Value ($000) $5,002 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 20,265 Value ($000) $3,783 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 66,078 Value ($000) $10,937 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 31,898 Value ($000) $4,643 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 20,614 Value ($000) $2,977 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 20,720 Value ($000) $3,186 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 74,672 Value ($000) $13,184 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 48,274 Value ($000) $11,325 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 40,888 Value ($000) $8,530 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 37,385 Value ($000) $7,702 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 46,510 Value ($000) $9,957 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 41,968 Value ($000) $9,080 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 31,154 Value ($000) $6,226 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 154,393 Value ($000) $30,717 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 225,030 Value ($000) $35,062 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 375,433 Value ($000) $72,454 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 50,711 Value ($000) $10,043 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 73,559 Value ($000) $14,523 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 82,200 Value ($000) $14,511 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 54,320 Value ($000) $8,004 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 110,591 Value ($000) $17,339 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 122,865 Value ($000) $17,244 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 148,253 Value ($000) $20,303 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 62,231 Value ($000) $8,347 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 69,012 Value ($000) $8,876 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 82,684 Value ($000) $10,974 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 251,229 Value ($000) $31,489 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 121,772 Value ($000) $14,276 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 33,777 Value ($000) $4,111 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 236,009 Value ($000) $27,982 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 241,195 Value ($000) $26,899 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 279,965 Value ($000) $32,027 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 275,626 Value ($000) $30,244 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 238,505 Value ($000) $26,971 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 202,161 Value ($000) $23,125 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 175,661 Value ($000) $18,359 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 116,707 Value ($000) $13,399 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 88,138 Value ($000) $9,815 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 12,345 Value ($000) $1,332 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 12,101 Value ($000) $1,261 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 10,870 Value ($000) $1,073 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 9,072 Value ($000) $772 Avg Close $73.48 Range $68.51 - $77.84

Q1 2013

Shares 3,684 Value ($000) $295 Avg Close $65.61 Range $62.45 - $70.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	45,818	$12,028	$265.71	$251.04 - $281.41
Q3 2025	60,949	$16,691	$270.32	$253.71 - $284.56
Q2 2025	95,795	$25,811	$252.35	$219.93 - $269.19
Q1 2025	51,209	$12,983	$249.61	$225.31 - $270.90
Q4 2024	127,076	$29,776	$245.53	$230.70 - $259.26
Q3 2024	75,588	$19,300	$241.07	$217.65 - $253.31
Q2 2024	84,622	$20,140	$227.14	$213.29 - $242.24
Q1 2024	216,257	$49,934	$207.94	$189.63 - $227.85
Q4 2023	191,461	$37,975	$175.85	$153.18 - $197.06
Q3 2023	29,529	$5,002	$177.30	$163.22 - $186.52
Q2 2023	20,265	$3,783	$167.31	$156.95 - $182.94
Q1 2023	66,078	$10,937	$150.99	$139.35 - $161.29
Q4 2022	31,898	$4,643	$141.81	$126.42 - $153.48
Q3 2022	20,614	$2,977	$156.07	$138.29 - $171.23
Q2 2022	20,720	$3,186	$158.99	$137.82 - $177.76
Q1 2022	74,672	$13,184	$179.54	$147.91 - $226.74
Q4 2021	48,274	$11,325	$215.53	$199.33 - $227.72
Q3 2021	40,888	$8,530	$208.54	$195.25 - $219.93
Q2 2021	37,385	$7,702	$206.33	$194.28 - $218.25
Q1 2021	46,510	$9,957	$201.55	$190.45 - $215.84
Q4 2020	41,968	$9,080	$197.47	$171.24 - $214.73
Q3 2020	31,154	$6,226	$188.44	$172.53 - $201.15
Q2 2020	154,393	$30,717	$182.16	$136.65 - $217.57
Q1 2020	225,030	$35,062	$176.33	$117.17 - $198.13
Q4 2019	375,433	$72,454	$177.67	$169.74 - $186.58
Q3 2019	50,711	$10,043	$187.16	$179.22 - $195.89
Q2 2019	73,559	$14,523	$173.21	$164.99 - $187.12
Q1 2019	82,200	$14,511	$150.92	$131.24 - $169.66
Q4 2018	54,320	$8,004	$141.48	$126.10 - $150.86
Q3 2018	110,591	$17,339	$137.00	$128.06 - $148.09
Q2 2018	122,865	$17,244	$132.91	$122.30 - $138.58
Q1 2018	148,253	$20,303	$123.54	$115.47 - $129.02
Q4 2017	62,231	$8,347	$121.85	$117.53 - $126.30
Q3 2017	69,012	$8,876	$120.10	$116.11 - $122.59
Q2 2017	82,684	$10,974	$117.68	$113.27 - $123.01
Q1 2017	251,229	$31,489	$111.04	$106.47 - $114.69
Q4 2016	121,772	$14,276	$105.98	$100.13 - $110.74
Q3 2016	33,777	$4,111	$108.98	$105.46 - $112.42
Q2 2016	236,009	$27,982	$104.92	$98.81 - $109.58
Q1 2016	241,195	$26,899	$95.34	$88.43 - $102.02
Q4 2015	279,965	$32,027	$105.21	$98.01 - $109.49
Q3 2015	275,626	$30,244	$99.79	$91.88 - $104.89
Q2 2015	238,505	$26,971	$102.25	$97.79 - $105.41
Q1 2015	202,161	$23,125	$97.19	$86.65 - $103.73
Q4 2014	175,661	$18,359	$96.70	$89.74 - $101.94
Q3 2014	116,707	$13,399	$99.26	$94.57 - $104.65
Q2 2014	88,138	$9,815	$94.25	$89.51 - $98.33
Q1 2014	12,345	$1,332	$91.92	$85.62 - $98.30
Q4 2013	12,101	$1,261	$90.95	$84.34 - $94.74
Q3 2013	10,870	$1,073	$81.20	$74.57 - $86.97
Q2 2013	9,072	$772	$73.48	$68.51 - $77.84
Q1 2013	3,684	$295	$65.61	$62.45 - $70.20