ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q4 2025

Shares 591,984 Value ($000) $155,408 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 878,829 Value ($000) $240,676 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 534,288 Value ($000) $143,959 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 491,498 Value ($000) $124,605 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 484,866 Value ($000) $113,614 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 471,718 Value ($000) $120,444 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 392,105 Value ($000) $93,321 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 297,657 Value ($000) $68,729 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 205,876 Value ($000) $40,836 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 168,979 Value ($000) $28,625 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 103,222 Value ($000) $19,271 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 31,417 Value ($000) $5,200 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 24,738 Value ($000) $3,601 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 29,742 Value ($000) $4,295 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 34,762 Value ($000) $5,345 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 770,080 Value ($000) $135,967 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 517,001 Value ($000) $121,282 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 550,360 Value ($000) $114,818 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 499,596 Value ($000) $102,902 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 293,440 Value ($000) $62,817 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 188,556 Value ($000) $40,797 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 34,182 Value ($000) $6,831 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 64,090 Value ($000) $12,750 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 143,421 Value ($000) $22,349 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 164,621 Value ($000) $31,770 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 169,426 Value ($000) $33,552 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 157,450 Value ($000) $31,085 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 157,794 Value ($000) $27,857 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 107,651 Value ($000) $15,863 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 90,586 Value ($000) $14,200 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 73,157 Value ($000) $10,266 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 75,829 Value ($000) $10,393 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 76,920 Value ($000) $10,321 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 15,054 Value ($000) $1,935 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 11,775 Value ($000) $1,564 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 17,108 Value ($000) $2,145 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 14,577 Value ($000) $1,708 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 19,828 Value ($000) $2,414 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 17,398 Value ($000) $2,064 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 19,195 Value ($000) $2,140 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 14,541 Value ($000) $1,663 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 9,532 Value ($000) $1,046 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 9,532 Value ($000) $1,078 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 8,265 Value ($000) $945 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 8,265 Value ($000) $864 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 12,191 Value ($000) $1,400 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 12,191 Value ($000) $1,357 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 15,916 Value ($000) $1,720 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 15,916 Value ($000) $1,660 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 9,476 Value ($000) $935 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 9,476 Value ($000) $807 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	591,984	$155,408	$265.71	$251.04 - $281.41
Q3 2025	878,829	$240,676	$270.32	$253.71 - $284.56
Q2 2025	534,288	$143,959	$252.35	$219.93 - $269.19
Q1 2025	491,498	$124,605	$249.61	$225.31 - $270.90
Q4 2024	484,866	$113,614	$245.53	$230.70 - $259.26
Q3 2024	471,718	$120,444	$241.07	$217.65 - $253.31
Q2 2024	392,105	$93,321	$227.14	$213.29 - $242.24
Q1 2024	297,657	$68,729	$207.94	$189.63 - $227.85
Q4 2023	205,876	$40,836	$175.85	$153.18 - $197.06
Q3 2023	168,979	$28,625	$177.30	$163.22 - $186.52
Q2 2023	103,222	$19,271	$167.31	$156.95 - $182.94
Q1 2023	31,417	$5,200	$150.99	$139.35 - $161.29
Q4 2022	24,738	$3,601	$141.81	$126.42 - $153.48
Q3 2022	29,742	$4,295	$156.07	$138.29 - $171.23
Q2 2022	34,762	$5,345	$158.99	$137.82 - $177.76
Q1 2022	770,080	$135,967	$179.54	$147.91 - $226.74
Q4 2021	517,001	$121,282	$215.53	$199.33 - $227.72
Q3 2021	550,360	$114,818	$208.54	$195.25 - $219.93
Q2 2021	499,596	$102,902	$206.33	$194.28 - $218.25
Q1 2021	293,440	$62,817	$201.55	$190.45 - $215.84
Q4 2020	188,556	$40,797	$197.47	$171.24 - $214.73
Q3 2020	34,182	$6,831	$188.44	$172.53 - $201.15
Q2 2020	64,090	$12,750	$182.16	$136.65 - $217.57
Q1 2020	143,421	$22,349	$176.33	$117.17 - $198.13
Q4 2019	164,621	$31,770	$177.67	$169.74 - $186.58
Q3 2019	169,426	$33,552	$187.16	$179.22 - $195.89
Q2 2019	157,450	$31,085	$173.21	$164.99 - $187.12
Q1 2019	157,794	$27,857	$150.92	$131.24 - $169.66
Q4 2018	107,651	$15,863	$141.48	$126.10 - $150.86
Q3 2018	90,586	$14,200	$137.00	$128.06 - $148.09
Q2 2018	73,157	$10,266	$132.91	$122.30 - $138.58
Q1 2018	75,829	$10,393	$123.54	$115.47 - $129.02
Q4 2017	76,920	$10,321	$121.85	$117.53 - $126.30
Q3 2017	15,054	$1,935	$120.10	$116.11 - $122.59
Q2 2017	11,775	$1,564	$117.68	$113.27 - $123.01
Q1 2017	17,108	$2,145	$111.04	$106.47 - $114.69
Q4 2016	14,577	$1,708	$105.98	$100.13 - $110.74
Q3 2016	19,828	$2,414	$108.98	$105.46 - $112.42
Q2 2016	17,398	$2,064	$104.92	$98.81 - $109.58
Q1 2016	19,195	$2,140	$95.34	$88.43 - $102.02
Q4 2015	14,541	$1,663	$105.21	$98.01 - $109.49
Q3 2015	9,532	$1,046	$99.79	$91.88 - $104.89
Q2 2015	9,532	$1,078	$102.25	$97.79 - $105.41
Q1 2015	8,265	$945	$97.19	$86.65 - $103.73
Q4 2014	8,265	$864	$96.70	$89.74 - $101.94
Q3 2014	12,191	$1,400	$99.26	$94.57 - $104.65
Q2 2014	12,191	$1,357	$94.25	$89.51 - $98.33
Q1 2014	15,916	$1,720	$91.92	$85.62 - $98.30
Q4 2013	15,916	$1,660	$90.95	$84.34 - $94.74
Q3 2013	9,476	$935	$81.20	$74.57 - $86.97
Q2 2013	9,476	$807	$73.48	$68.51 - $77.84