ECOLAB INC

Ticker: ECL CUSIP: 278865100 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 877,878 Value ($000) $230,476 Avg Close $265.71 Range $251.04 - $281.41

Q3 2025

Shares 844,999 Value ($000) $231,401 Avg Close $270.32 Range $253.71 - $284.56

Q2 2025

Shares 767,609 Value ($000) $206,816 Avg Close $252.35 Range $219.93 - $269.19

Q1 2025

Shares 773,487 Value ($000) $196,063 Avg Close $249.61 Range $225.31 - $270.90

Q4 2024

Shares 765,511 Value ($000) $179,379 Avg Close $245.53 Range $230.70 - $259.26

Q3 2024

Shares 727,219 Value ($000) $185,676 Avg Close $241.07 Range $217.65 - $253.31

Q2 2024

Shares 714,702 Value ($000) $170,110 Avg Close $227.14 Range $213.29 - $242.24

Q1 2024

Shares 635,981 Value ($000) $146,848 Avg Close $207.94 Range $189.63 - $227.85

Q4 2023

Shares 626,127 Value ($000) $124,195 Avg Close $175.85 Range $153.18 - $197.06

Q3 2023

Shares 609,205 Value ($000) $103,202 Avg Close $177.30 Range $163.22 - $186.52

Q2 2023

Shares 594,164 Value ($000) $110,918 Avg Close $167.31 Range $156.95 - $182.94

Q1 2023

Shares 579,691 Value ($000) $95,949 Avg Close $150.99 Range $139.35 - $161.29

Q4 2022

Shares 580,280 Value ($000) $84 Avg Close $141.81 Range $126.42 - $153.48

Q3 2022

Shares 590,010 Value ($000) $85,218 Avg Close $156.07 Range $138.29 - $171.23

Q2 2022

Shares 591,334 Value ($000) $90,916 Avg Close $158.99 Range $137.82 - $177.76

Q1 2022

Shares 654,283 Value ($000) $115,535 Avg Close $179.54 Range $147.91 - $226.74

Q4 2021

Shares 655,795 Value ($000) $153,839 Avg Close $215.53 Range $199.33 - $227.72

Q3 2021

Shares 667,453 Value ($000) $139,262 Avg Close $208.54 Range $195.25 - $219.93

Q2 2021

Shares 688,935 Value ($000) $141,907 Avg Close $206.33 Range $194.28 - $218.25

Q1 2021

Shares 688,610 Value ($000) $147,415 Avg Close $201.55 Range $190.45 - $215.84

Q4 2020

Shares 691,183 Value ($000) $149,541 Avg Close $197.47 Range $171.24 - $214.73

Q3 2020

Shares 662,212 Value ($000) $132,321 Avg Close $188.44 Range $172.53 - $201.15

Q2 2020

Shares 624,194 Value ($000) $124,173 Avg Close $182.16 Range $136.65 - $217.57

Q1 2020

Shares 645,883 Value ($000) $100,668 Avg Close $176.33 Range $117.17 - $198.13

Q4 2019

Shares 656,413 Value ($000) $126,676 Avg Close $177.67 Range $169.74 - $186.58

Q3 2019

Shares 670,711 Value ($000) $132,828 Avg Close $187.16 Range $179.22 - $195.89

Q2 2019

Shares 692,979 Value ($000) $136,798 Avg Close $173.21 Range $164.99 - $187.12

Q1 2019

Shares 700,535 Value ($000) $123,672 Avg Close $150.92 Range $131.24 - $169.66

Q4 2018

Shares 713,114 Value ($000) $105,066 Avg Close $141.48 Range $126.10 - $150.86

Q3 2018

Shares 699,257 Value ($000) $109,629 Avg Close $137.00 Range $128.06 - $148.09

Q2 2018

Shares 697,857 Value ($000) $97,930 Avg Close $132.91 Range $122.30 - $138.58

Q1 2018

Shares 694,489 Value ($000) $95,194 Avg Close $123.54 Range $115.47 - $129.02

Q4 2017

Shares 688,426 Value ($000) $92,376 Avg Close $121.85 Range $117.53 - $126.30

Q3 2017

Shares 668,029 Value ($000) $85,918 Avg Close $120.10 Range $116.11 - $122.59

Q2 2017

Shares 664,457 Value ($000) $88,202 Avg Close $117.68 Range $113.27 - $123.01

Q1 2017

Shares 639,435 Value ($000) $80,146 Avg Close $111.04 Range $106.47 - $114.69

Q4 2016

Shares 604,721 Value ($000) $70,889 Avg Close $105.98 Range $100.13 - $110.74

Q3 2016

Shares 597,235 Value ($000) $72,692 Avg Close $108.98 Range $105.46 - $112.42

Q2 2016

Shares 578,024 Value ($000) $68,548 Avg Close $104.92 Range $98.81 - $109.58

Q1 2016

Shares 574,689 Value ($000) $64,093 Avg Close $95.34 Range $88.43 - $102.02

Q4 2015

Shares 561,124 Value ($000) $64,185 Avg Close $105.21 Range $98.01 - $109.49

Q3 2015

Shares 534,893 Value ($000) $58,688 Avg Close $99.79 Range $91.88 - $104.89

Q2 2015

Shares 515,851 Value ($000) $58,329 Avg Close $102.25 Range $97.79 - $105.41

Q1 2015

Shares 471,336 Value ($000) $53,910 Avg Close $97.19 Range $86.65 - $103.73

Q4 2014

Shares 402,701 Value ($000) $42,094 Avg Close $96.70 Range $89.74 - $101.94

Q3 2014

Shares 373,283 Value ($000) $42,870 Avg Close $99.26 Range $94.57 - $104.65

Q2 2014

Shares 361,480 Value ($000) $40,237 Avg Close $94.25 Range $89.51 - $98.33

Q1 2014

Shares 359,526 Value ($000) $38,820 Avg Close $91.92 Range $85.62 - $98.30

Q4 2013

Shares 353,830 Value ($000) $36,893 Avg Close $90.95 Range $84.34 - $94.74

Q3 2013

Shares 352,985 Value ($000) $34,856 Avg Close $81.20 Range $74.57 - $86.97

Q2 2013

Shares 359,092 Value ($000) $30,593 Avg Close $73.48 Range $68.51 - $77.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	877,878	$230,476	$265.71	$251.04 - $281.41
Q3 2025	844,999	$231,401	$270.32	$253.71 - $284.56
Q2 2025	767,609	$206,816	$252.35	$219.93 - $269.19
Q1 2025	773,487	$196,063	$249.61	$225.31 - $270.90
Q4 2024	765,511	$179,379	$245.53	$230.70 - $259.26
Q3 2024	727,219	$185,676	$241.07	$217.65 - $253.31
Q2 2024	714,702	$170,110	$227.14	$213.29 - $242.24
Q1 2024	635,981	$146,848	$207.94	$189.63 - $227.85
Q4 2023	626,127	$124,195	$175.85	$153.18 - $197.06
Q3 2023	609,205	$103,202	$177.30	$163.22 - $186.52
Q2 2023	594,164	$110,918	$167.31	$156.95 - $182.94
Q1 2023	579,691	$95,949	$150.99	$139.35 - $161.29
Q4 2022	580,280	$84	$141.81	$126.42 - $153.48
Q3 2022	590,010	$85,218	$156.07	$138.29 - $171.23
Q2 2022	591,334	$90,916	$158.99	$137.82 - $177.76
Q1 2022	654,283	$115,535	$179.54	$147.91 - $226.74
Q4 2021	655,795	$153,839	$215.53	$199.33 - $227.72
Q3 2021	667,453	$139,262	$208.54	$195.25 - $219.93
Q2 2021	688,935	$141,907	$206.33	$194.28 - $218.25
Q1 2021	688,610	$147,415	$201.55	$190.45 - $215.84
Q4 2020	691,183	$149,541	$197.47	$171.24 - $214.73
Q3 2020	662,212	$132,321	$188.44	$172.53 - $201.15
Q2 2020	624,194	$124,173	$182.16	$136.65 - $217.57
Q1 2020	645,883	$100,668	$176.33	$117.17 - $198.13
Q4 2019	656,413	$126,676	$177.67	$169.74 - $186.58
Q3 2019	670,711	$132,828	$187.16	$179.22 - $195.89
Q2 2019	692,979	$136,798	$173.21	$164.99 - $187.12
Q1 2019	700,535	$123,672	$150.92	$131.24 - $169.66
Q4 2018	713,114	$105,066	$141.48	$126.10 - $150.86
Q3 2018	699,257	$109,629	$137.00	$128.06 - $148.09
Q2 2018	697,857	$97,930	$132.91	$122.30 - $138.58
Q1 2018	694,489	$95,194	$123.54	$115.47 - $129.02
Q4 2017	688,426	$92,376	$121.85	$117.53 - $126.30
Q3 2017	668,029	$85,918	$120.10	$116.11 - $122.59
Q2 2017	664,457	$88,202	$117.68	$113.27 - $123.01
Q1 2017	639,435	$80,146	$111.04	$106.47 - $114.69
Q4 2016	604,721	$70,889	$105.98	$100.13 - $110.74
Q3 2016	597,235	$72,692	$108.98	$105.46 - $112.42
Q2 2016	578,024	$68,548	$104.92	$98.81 - $109.58
Q1 2016	574,689	$64,093	$95.34	$88.43 - $102.02
Q4 2015	561,124	$64,185	$105.21	$98.01 - $109.49
Q3 2015	534,893	$58,688	$99.79	$91.88 - $104.89
Q2 2015	515,851	$58,329	$102.25	$97.79 - $105.41
Q1 2015	471,336	$53,910	$97.19	$86.65 - $103.73
Q4 2014	402,701	$42,094	$96.70	$89.74 - $101.94
Q3 2014	373,283	$42,870	$99.26	$94.57 - $104.65
Q2 2014	361,480	$40,237	$94.25	$89.51 - $98.33
Q1 2014	359,526	$38,820	$91.92	$85.62 - $98.30
Q4 2013	353,830	$36,893	$90.95	$84.34 - $94.74
Q3 2013	352,985	$34,856	$81.20	$74.57 - $86.97
Q2 2013	359,092	$30,593	$73.48	$68.51 - $77.84